text: // Copyright 2010 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  // The Module object: Our interface to the outside world. We import
  // and export values on it. There are various ways Module can be used:
  // 1. Not defined. We create it here
  // 2. A function parameter, function(Module) { ..generated code.. }
  // 3. pre-run appended it, var Module = {}; ..generated code..
  // 4. External script tag defines var Module.
  // We need to check if Module already exists (e.g. case 3 above).
  // Substitution will be replaced with actual code on later stage of the build,
  // this way Closure Compiler will not mangle it (e.g. case 4. above).
  // Note that if you want to run closure, and also to use Module
  // after the generated code, you will need to define   var Module = {};
  // before the code. Then that object will be used in the code, and you
  // can continue to use Module afterwards as well.
  var Module = typeof Module !== 'undefined' ? Module : {};
  
  // --pre-jses are emitted after the Module integration code, so that they can
  // refer to Module (if they choose; they can also define Module)
  // {{PRE_JSES}}
  
  // Sometimes an existing Module object exists with properties
  // meant to overwrite the default module functionality. Here
  // we collect those properties and reapply _after_ we configure
  // the current environment's defaults to avoid having to be so
  // defensive during initialization.
  var moduleOverrides = {};
  var key;
  for (key in Module) {
    if (Module.hasOwnProperty(key)) {
      moduleOverrides[key] = Module[key];
    }
  }
  
  Module['arguments'] = [];
  Module['thisProgram'] = './this.program';
  Module['quit'] = function(status, toThrow) {
    throw toThrow;
  };
  Module['preRun'] = [];
  Module['postRun'] = [];
  
  // Determine the runtime environment we are in. You can customize this by
  // setting the ENVIRONMENT setting at compile time (see settings.js).
  
  var ENVIRONMENT_IS_WEB = false;
  var ENVIRONMENT_IS_WORKER = false;
  var ENVIRONMENT_IS_NODE = false;
  var ENVIRONMENT_IS_SHELL = false;
  ENVIRONMENT_IS_WEB = typeof window === 'object';
  ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
  ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function' && !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_WORKER;
  ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
  
  if (Module['ENVIRONMENT']) {
    throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -s ENVIRONMENT=web or -s ENVIRONMENT=node)');
  }
  
  // Three configurations we can be running in:
  // 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false)
  // 2) We could be the application main() thread proxied to worker. (with Emscripten -s PROXY_TO_WORKER=1) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false)
  // 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true)
  
  // `/` should be present at the end if `scriptDirectory` is not empty
  var scriptDirectory = '';
  function locateFile(path) {
    if (Module['locateFile']) {
      return Module['locateFile'](path, scriptDirectory);
    } else {
      return scriptDirectory + path;
    }
  }
  
  if (ENVIRONMENT_IS_NODE) {
    scriptDirectory = __dirname + '/';
  
    // Expose functionality in the same simple way that the shells work
    // Note that we pollute the global namespace here, otherwise we break in node
    var nodeFS;
    var nodePath;
  
    Module['read'] = function shell_read(filename, binary) {
      var ret;
        if (!nodeFS) nodeFS = require('fs');
        if (!nodePath) nodePath = require('path');
        filename = nodePath['normalize'](filename);
        ret = nodeFS['readFileSync'](filename);
      return binary ? ret : ret.toString();
    };
  
    Module['readBinary'] = function readBinary(filename) {
      var ret = Module['read'](filename, true);
      if (!ret.buffer) {
        ret = new Uint8Array(ret);
      }
      assert(ret.buffer);
      return ret;
    };
  
    if (process['argv'].length > 1) {
      Module['thisProgram'] = process['argv'][1].replace(/\\/g, '/');
    }
  
    Module['arguments'] = process['argv'].slice(2);
  
    if (typeof module !== 'undefined') {
      module['exports'] = Module;
    }
  
    process['on']('uncaughtException', function(ex) {
      // suppress ExitStatus exceptions from showing an error
      if (!(ex instanceof ExitStatus)) {
        throw ex;
      }
    });
    // Currently node will swallow unhandled rejections, but this behavior is
    // deprecated, and in the future it will exit with error status.
    process['on']('unhandledRejection', abort);
  
    Module['quit'] = function(status) {
      process['exit'](status);
    };
  
    Module['inspect'] = function () { return '[Emscripten Module object]'; };
  } else
  if (ENVIRONMENT_IS_SHELL) {
  
  
    if (typeof read != 'undefined') {
      Module['read'] = function shell_read(f) {
        return read(f);
      };
    }
  
    Module['readBinary'] = function readBinary(f) {
      var data;
      if (typeof readbuffer === 'function') {
        return new Uint8Array(readbuffer(f));
      }
      data = read(f, 'binary');
      assert(typeof data === 'object');
      return data;
    };
  
    if (typeof scriptArgs != 'undefined') {
      Module['arguments'] = scriptArgs;
    } else if (typeof arguments != 'undefined') {
      Module['arguments'] = arguments;
    }
  
    if (typeof quit === 'function') {
      Module['quit'] = function(status) {
        quit(status);
      }
    }
  } else
  if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
    if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
      scriptDirectory = self.location.href;
    } else if (document.currentScript) { // web
      scriptDirectory = document.currentScript.src;
    }
    // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
    // otherwise, slice off the final part of the url to find the script directory.
    // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
    // and scriptDirectory will correctly be replaced with an empty string.
    if (scriptDirectory.indexOf('blob:') !== 0) {
      scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf('/')+1);
    } else {
      scriptDirectory = '';
    }
  
  
    Module['read'] = function shell_read(url) {
        var xhr = new XMLHttpRequest();
        xhr.open('GET', url, false);
        xhr.send(null);
        return xhr.responseText;
    };
  
    if (ENVIRONMENT_IS_WORKER) {
      Module['readBinary'] = function readBinary(url) {
          var xhr = new XMLHttpRequest();
          xhr.open('GET', url, false);
          xhr.responseType = 'arraybuffer';
          xhr.send(null);
          return new Uint8Array(xhr.response);
      };
    }
  
    Module['readAsync'] = function readAsync(url, onload, onerror) {
      var xhr = new XMLHttpRequest();
      xhr.open('GET', url, true);
      xhr.responseType = 'arraybuffer';
      xhr.onload = function xhr_onload() {
        if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
          onload(xhr.response);
          return;
        }
        onerror();
      };
      xhr.onerror = onerror;
      xhr.send(null);
    };
  
    Module['setWindowTitle'] = function(title) { document.title = title };
  } else
  {
    throw new Error('environment detection error');
  }
  
  // Set up the out() and err() hooks, which are how we can print to stdout or
  // stderr, respectively.
  // If the user provided Module.print or printErr, use that. Otherwise,
  // console.log is checked first, as 'print' on the web will open a print dialogue
  // printErr is preferable to console.warn (works better in shells)
  // bind(console) is necessary to fix IE/Edge closed dev tools panel behavior.
  var out = Module['print'] || (typeof console !== 'undefined' ? console.log.bind(console) : (typeof print !== 'undefined' ? print : null));
  var err = Module['printErr'] || (typeof printErr !== 'undefined' ? printErr : ((typeof console !== 'undefined' && console.warn.bind(console)) || out));
  
  // Merge back in the overrides
  for (key in moduleOverrides) {
    if (moduleOverrides.hasOwnProperty(key)) {
      Module[key] = moduleOverrides[key];
    }
  }
  // Free the object hierarchy contained in the overrides, this lets the GC
  // reclaim data used e.g. in memoryInitializerRequest, which is a large typed array.
  moduleOverrides = undefined;
  
  // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
  assert(typeof Module['memoryInitializerPrefixURL'] === 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead');
  assert(typeof Module['pthreadMainPrefixURL'] === 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead');
  assert(typeof Module['cdInitializerPrefixURL'] === 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead');
  assert(typeof Module['filePackagePrefixURL'] === 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead');
  
  
  
  // Copyright 2017 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  // {{PREAMBLE_ADDITIONS}}
  
  var STACK_ALIGN = 16;
  
  // stack management, and other functionality that is provided by the compiled code,
  // should not be used before it is ready
  stackSave = stackRestore = stackAlloc = function() {
    abort('cannot use the stack before compiled code is ready to run, and has provided stack access');
  };
  
  function staticAlloc(size) {
    abort('staticAlloc is no longer available at runtime; instead, perform static allocations at compile time (using makeStaticAlloc)');
  }
  
  function dynamicAlloc(size) {
    assert(DYNAMICTOP_PTR);
    var ret = HEAP32[DYNAMICTOP_PTR>>2];
    var end = (ret + size + 15) & -16;
    HEAP32[DYNAMICTOP_PTR>>2] = end;
    if (end >= TOTAL_MEMORY) {
      var success = enlargeMemory();
      if (!success) {
        HEAP32[DYNAMICTOP_PTR>>2] = ret;
        return 0;
      }
    }
    return ret;
  }
  
  function alignMemory(size, factor) {
    if (!factor) factor = STACK_ALIGN; // stack alignment (16-byte) by default
    return Math.ceil(size / factor) * factor;
  }
  
  function getNativeTypeSize(type) {
    switch (type) {
      case 'i1': case 'i8': return 1;
      case 'i16': return 2;
      case 'i32': return 4;
      case 'i64': return 8;
      case 'float': return 4;
      case 'double': return 8;
      default: {
        if (type[type.length-1] === '*') {
          return 4; // A pointer
        } else if (type[0] === 'i') {
          var bits = parseInt(type.substr(1));
          assert(bits % 8 === 0);
          return bits / 8;
        } else {
          return 0;
        }
      }
    }
  }
  
  function warnOnce(text) {
    if (!warnOnce.shown) warnOnce.shown = {};
    if (!warnOnce.shown[text]) {
      warnOnce.shown[text] = 1;
      err(text);
    }
  }
  
  var asm2wasmImports = { // special asm2wasm imports
      "f64-rem": function(x, y) {
          return x % y;
      },
      "debugger": function() {
          debugger;
      }
  };
  
  
  
  var jsCallStartIndex = 1;
  var functionPointers = new Array(0);
  
  // Add a wasm function to the table.
  // Attempting to call this with JS function will cause of table.set() to fail
  function addWasmFunction(func) {
    var table = Module['wasmTable'];
    var ret = table.length;
    table.grow(1);
    table.set(ret, func);
    return ret;
  }
  
  // 'sig' parameter is currently only used for LLVM backend under certain
  // circumstance: RESERVED_FUNCTION_POINTERS=1, EMULATED_FUNCTION_POINTERS=0.
  function addFunction(func, sig) {
  
    var base = 0;
    for (var i = base; i < base + 0; i++) {
      if (!functionPointers[i]) {
        functionPointers[i] = func;
        return jsCallStartIndex + i;
      }
    }
    throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.';
  
  }
  
  function removeFunction(index) {
    functionPointers[index-jsCallStartIndex] = null;
  }
  
  var funcWrappers = {};
  
  function getFuncWrapper(func, sig) {
    if (!func) return; // on null pointer, return undefined
    assert(sig);
    if (!funcWrappers[sig]) {
      funcWrappers[sig] = {};
    }
    var sigCache = funcWrappers[sig];
    if (!sigCache[func]) {
      // optimize away arguments usage in common cases
      if (sig.length === 1) {
        sigCache[func] = function dynCall_wrapper() {
          return dynCall(sig, func);
        };
      } else if (sig.length === 2) {
        sigCache[func] = function dynCall_wrapper(arg) {
          return dynCall(sig, func, [arg]);
        };
      } else {
        // general case
        sigCache[func] = function dynCall_wrapper() {
          return dynCall(sig, func, Array.prototype.slice.call(arguments));
        };
      }
    }
    return sigCache[func];
  }
  
  
  function makeBigInt(low, high, unsigned) {
    return unsigned ? ((+((low>>>0)))+((+((high>>>0)))*4294967296.0)) : ((+((low>>>0)))+((+((high|0)))*4294967296.0));
  }
  
  function dynCall(sig, ptr, args) {
    if (args && args.length) {
      assert(args.length == sig.length-1);
      assert(('dynCall_' + sig) in Module, 'bad function pointer type - no table for sig \'' + sig + '\'');
      return Module['dynCall_' + sig].apply(null, [ptr].concat(args));
    } else {
      assert(sig.length == 1);
      assert(('dynCall_' + sig) in Module, 'bad function pointer type - no table for sig \'' + sig + '\'');
      return Module['dynCall_' + sig].call(null, ptr);
    }
  }
  
  var tempRet0 = 0;
  
  var setTempRet0 = function(value) {
    tempRet0 = value;
  }
  
  var getTempRet0 = function() {
    return tempRet0;
  }
  
  function getCompilerSetting(name) {
    throw 'You must build with -s RETAIN_COMPILER_SETTINGS=1 for getCompilerSetting or emscripten_get_compiler_setting to work';
  }
  
  var Runtime = {
    // FIXME backwards compatibility layer for ports. Support some Runtime.*
    //       for now, fix it there, then remove it from here. That way we
    //       can minimize any period of breakage.
    dynCall: dynCall, // for SDL2 port
    // helpful errors
    getTempRet0: function() { abort('getTempRet0() is now a top-level function, after removing the Runtime object. Remove "Runtime."') },
    staticAlloc: function() { abort('staticAlloc() is now a top-level function, after removing the Runtime object. Remove "Runtime."') },
    stackAlloc: function() { abort('stackAlloc() is now a top-level function, after removing the Runtime object. Remove "Runtime."') },
  };
  
  // The address globals begin at. Very low in memory, for code size and optimization opportunities.
  // Above 0 is static memory, starting with globals.
  // Then the stack.
  // Then 'dynamic' memory for sbrk.
  var GLOBAL_BASE = 1024;
  
  
  // === Preamble library stuff ===
  
  // Documentation for the public APIs defined in this file must be updated in:
  //    site/source/docs/api_reference/preamble.js.rst
  // A prebuilt local version of the documentation is available at:
  //    site/build/text/docs/api_reference/preamble.js.txt
  // You can also build docs locally as HTML or other formats in site/
  // An online HTML version (which may be of a different version of Emscripten)
  //    is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
  
  
  
  //========================================
  // Runtime essentials
  //========================================
  
  // whether we are quitting the application. no code should run after this.
  // set in exit() and abort()
  var ABORT = false;
  
  // set by exit() and abort().  Passed to 'onExit' handler.
  // NOTE: This is also used as the process return code code in shell environments
  // but only when noExitRuntime is false.
  var EXITSTATUS = 0;
  
  /** @type {function(*, string=)} */
  function assert(condition, text) {
    if (!condition) {
      abort('Assertion failed: ' + text);
    }
  }
  
  var globalScope = this;
  
  // Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
  function getCFunc(ident) {
    var func = Module['_' + ident]; // closure exported function
    assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported');
    return func;
  }
  
  var JSfuncs = {
    // Helpers for cwrap -- it can't refer to Runtime directly because it might
    // be renamed by closure, instead it calls JSfuncs['stackSave'].body to find
    // out what the minified function name is.
    'stackSave': function() {
      stackSave()
    },
    'stackRestore': function() {
      stackRestore()
    },
    // type conversion from js to c
    'arrayToC' : function(arr) {
      var ret = stackAlloc(arr.length);
      writeArrayToMemory(arr, ret);
      return ret;
    },
    'stringToC' : function(str) {
      var ret = 0;
      if (str !== null && str !== undefined && str !== 0) { // null string
        // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0'
        var len = (str.length << 2) + 1;
        ret = stackAlloc(len);
        stringToUTF8(str, ret, len);
      }
      return ret;
    }
  };
  
  // For fast lookup of conversion functions
  var toC = {
    'string': JSfuncs['stringToC'], 'array': JSfuncs['arrayToC']
  };
  
  
  // C calling interface.
  function ccall(ident, returnType, argTypes, args, opts) {
    function convertReturnValue(ret) {
      if (returnType === 'string') return Pointer_stringify(ret);
      if (returnType === 'boolean') return Boolean(ret);
      return ret;
    }
  
    var func = getCFunc(ident);
    var cArgs = [];
    var stack = 0;
    assert(returnType !== 'array', 'Return type should not be "array".');
    if (args) {
      for (var i = 0; i < args.length; i++) {
        var converter = toC[argTypes[i]];
        if (converter) {
          if (stack === 0) stack = stackSave();
          cArgs[i] = converter(args[i]);
        } else {
          cArgs[i] = args[i];
        }
      }
    }
    var ret = func.apply(null, cArgs);
    ret = convertReturnValue(ret);
    if (stack !== 0) stackRestore(stack);
    return ret;
  }
  
  function cwrap(ident, returnType, argTypes, opts) {
    return function() {
      return ccall(ident, returnType, argTypes, arguments, opts);
    }
  }
  
  /** @type {function(number, number, string, boolean=)} */
  function setValue(ptr, value, type, noSafe) {
    type = type || 'i8';
    if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
      switch(type) {
        case 'i1': HEAP8[((ptr)>>0)]=value; break;
        case 'i8': HEAP8[((ptr)>>0)]=value; break;
        case 'i16': HEAP16[((ptr)>>1)]=value; break;
        case 'i32': HEAP32[((ptr)>>2)]=value; break;
        case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
        case 'float': HEAPF32[((ptr)>>2)]=value; break;
        case 'double': HEAPF64[((ptr)>>3)]=value; break;
        default: abort('invalid type for setValue: ' + type);
      }
  }
  
  /** @type {function(number, string, boolean=)} */
  function getValue(ptr, type, noSafe) {
    type = type || 'i8';
    if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
      switch(type) {
        case 'i1': return HEAP8[((ptr)>>0)];
        case 'i8': return HEAP8[((ptr)>>0)];
        case 'i16': return HEAP16[((ptr)>>1)];
        case 'i32': return HEAP32[((ptr)>>2)];
        case 'i64': return HEAP32[((ptr)>>2)];
        case 'float': return HEAPF32[((ptr)>>2)];
        case 'double': return HEAPF64[((ptr)>>3)];
        default: abort('invalid type for getValue: ' + type);
      }
    return null;
  }
  
  var ALLOC_NORMAL = 0; // Tries to use _malloc()
  var ALLOC_STACK = 1; // Lives for the duration of the current function call
  var ALLOC_DYNAMIC = 2; // Cannot be freed except through sbrk
  var ALLOC_NONE = 3; // Do not allocate
  
  // allocate(): This is for internal use. You can use it yourself as well, but the interface
  //             is a little tricky (see docs right below). The reason is that it is optimized
  //             for multiple syntaxes to save space in generated code. So you should
  //             normally not use allocate(), and instead allocate memory using _malloc(),
  //             initialize it with setValue(), and so forth.
  // @slab: An array of data, or a number. If a number, then the size of the block to allocate,
  //        in *bytes* (note that this is sometimes confusing: the next parameter does not
  //        affect this!)
  // @types: Either an array of types, one for each byte (or 0 if no type at that position),
  //         or a single type which is used for the entire block. This only matters if there
  //         is initial data - if @slab is a number, then this does not matter at all and is
  //         ignored.
  // @allocator: How to allocate memory, see ALLOC_*
  /** @type {function((TypedArray|Array<number>|number), string, number, number=)} */
  function allocate(slab, types, allocator, ptr) {
    var zeroinit, size;
    if (typeof slab === 'number') {
      zeroinit = true;
      size = slab;
    } else {
      zeroinit = false;
      size = slab.length;
    }
  
    var singleType = typeof types === 'string' ? types : null;
  
    var ret;
    if (allocator == ALLOC_NONE) {
      ret = ptr;
    } else {
      ret = [_malloc, stackAlloc, dynamicAlloc][allocator](Math.max(size, singleType ? 1 : types.length));
    }
  
    if (zeroinit) {
      var stop;
      ptr = ret;
      assert((ret & 3) == 0);
      stop = ret + (size & ~3);
      for (; ptr < stop; ptr += 4) {
        HEAP32[((ptr)>>2)]=0;
      }
      stop = ret + size;
      while (ptr < stop) {
        HEAP8[((ptr++)>>0)]=0;
      }
      return ret;
    }
  
    if (singleType === 'i8') {
      if (slab.subarray || slab.slice) {
        HEAPU8.set(/** @type {!Uint8Array} */ (slab), ret);
      } else {
        HEAPU8.set(new Uint8Array(slab), ret);
      }
      return ret;
    }
  
    var i = 0, type, typeSize, previousType;
    while (i < size) {
      var curr = slab[i];
  
      type = singleType || types[i];
      if (type === 0) {
        i++;
        continue;
      }
      assert(type, 'Must know what type to store in allocate!');
  
      if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later
  
      setValue(ret+i, curr, type);
  
      // no need to look up size unless type changes, so cache it
      if (previousType !== type) {
        typeSize = getNativeTypeSize(type);
        previousType = type;
      }
      i += typeSize;
    }
  
    return ret;
  }
  
  // Allocate memory during any stage of startup - static memory early on, dynamic memory later, malloc when ready
  function getMemory(size) {
    if (!runtimeInitialized) return dynamicAlloc(size);
    return _malloc(size);
  }
  
  /** @type {function(number, number=)} */
  function Pointer_stringify(ptr, length) {
    if (length === 0 || !ptr) return '';
    // Find the length, and check for UTF while doing so
    var hasUtf = 0;
    var t;
    var i = 0;
    while (1) {
      assert(ptr + i < TOTAL_MEMORY);
      t = HEAPU8[(((ptr)+(i))>>0)];
      hasUtf |= t;
      if (t == 0 && !length) break;
      i++;
      if (length && i == length) break;
    }
    if (!length) length = i;
  
    var ret = '';
  
    if (hasUtf < 128) {
      var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack
      var curr;
      while (length > 0) {
        curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
        ret = ret ? ret + curr : curr;
        ptr += MAX_CHUNK;
        length -= MAX_CHUNK;
      }
      return ret;
    }
    return UTF8ToString(ptr);
  }
  
  // Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns
  // a copy of that string as a Javascript String object.
  
  function AsciiToString(ptr) {
    var str = '';
    while (1) {
      var ch = HEAP8[((ptr++)>>0)];
      if (!ch) return str;
      str += String.fromCharCode(ch);
    }
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP.
  
  function stringToAscii(str, outPtr) {
    return writeAsciiToMemory(str, outPtr, false);
  }
  
  // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns
  // a copy of that string as a Javascript String object.
  
  var UTF8Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf8') : undefined;
  
  function UTF8ArrayToString(u8Array, idx) {
    var endPtr = idx;
    // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
    // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
    while (u8Array[endPtr]) ++endPtr;
  
    if (endPtr - idx > 16 && u8Array.subarray && UTF8Decoder) {
      return UTF8Decoder.decode(u8Array.subarray(idx, endPtr));
    } else {
      var u0, u1, u2, u3, u4, u5;
  
      var str = '';
      while (1) {
        // For UTF8 byte structure, see:
        // http://en.wikipedia.org/wiki/UTF-8#Description
        // https://www.ietf.org/rfc/rfc2279.txt
        // https://tools.ietf.org/html/rfc3629
        u0 = u8Array[idx++];
        if (!u0) return str;
        if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
        u1 = u8Array[idx++] & 63;
        if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
        u2 = u8Array[idx++] & 63;
        if ((u0 & 0xF0) == 0xE0) {
          u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
        } else {
          u3 = u8Array[idx++] & 63;
          if ((u0 & 0xF8) == 0xF0) {
            u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | u3;
          } else {
            u4 = u8Array[idx++] & 63;
            if ((u0 & 0xFC) == 0xF8) {
              u0 = ((u0 & 3) << 24) | (u1 << 18) | (u2 << 12) | (u3 << 6) | u4;
            } else {
              u5 = u8Array[idx++] & 63;
              u0 = ((u0 & 1) << 30) | (u1 << 24) | (u2 << 18) | (u3 << 12) | (u4 << 6) | u5;
            }
          }
        }
        if (u0 < 0x10000) {
          str += String.fromCharCode(u0);
        } else {
          var ch = u0 - 0x10000;
          str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
        }
      }
    }
  }
  
  // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns
  // a copy of that string as a Javascript String object.
  
  function UTF8ToString(ptr) {
    return UTF8ArrayToString(HEAPU8,ptr);
  }
  
  // Copies the given Javascript String object 'str' to the given byte array at address 'outIdx',
  // encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP.
  // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Parameters:
  //   str: the Javascript string to copy.
  //   outU8Array: the array to copy to. Each index in this array is assumed to be one 8-byte element.
  //   outIdx: The starting offset in the array to begin the copying.
  //   maxBytesToWrite: The maximum number of bytes this function can write to the array.
  //                    This count should include the null terminator,
  //                    i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else.
  //                    maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF8Array(str, outU8Array, outIdx, maxBytesToWrite) {
    if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes.
      return 0;
  
    var startIdx = outIdx;
    var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629
      var u = str.charCodeAt(i); // possibly a lead surrogate
      if (u >= 0xD800 && u <= 0xDFFF) {
        var u1 = str.charCodeAt(++i);
        u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
      }
      if (u <= 0x7F) {
        if (outIdx >= endIdx) break;
        outU8Array[outIdx++] = u;
      } else if (u <= 0x7FF) {
        if (outIdx + 1 >= endIdx) break;
        outU8Array[outIdx++] = 0xC0 | (u >> 6);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else if (u <= 0xFFFF) {
        if (outIdx + 2 >= endIdx) break;
        outU8Array[outIdx++] = 0xE0 | (u >> 12);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else if (u <= 0x1FFFFF) {
        if (outIdx + 3 >= endIdx) break;
        outU8Array[outIdx++] = 0xF0 | (u >> 18);
        outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else if (u <= 0x3FFFFFF) {
        if (outIdx + 4 >= endIdx) break;
        outU8Array[outIdx++] = 0xF8 | (u >> 24);
        outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else {
        if (outIdx + 5 >= endIdx) break;
        outU8Array[outIdx++] = 0xFC | (u >> 30);
        outU8Array[outIdx++] = 0x80 | ((u >> 24) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      }
    }
    // Null-terminate the pointer to the buffer.
    outU8Array[outIdx] = 0;
    return outIdx - startIdx;
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP.
  // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF8(str, outPtr, maxBytesToWrite) {
    assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
    return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite);
  }
  
  // Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte.
  function lengthBytesUTF8(str) {
    var len = 0;
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      var u = str.charCodeAt(i); // possibly a lead surrogate
      if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF);
      if (u <= 0x7F) {
        ++len;
      } else if (u <= 0x7FF) {
        len += 2;
      } else if (u <= 0xFFFF) {
        len += 3;
      } else if (u <= 0x1FFFFF) {
        len += 4;
      } else if (u <= 0x3FFFFFF) {
        len += 5;
      } else {
        len += 6;
      }
    }
    return len;
  }
  
  // Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
  // a copy of that string as a Javascript String object.
  
  var UTF16Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-16le') : undefined;
  function UTF16ToString(ptr) {
    assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!');
    var endPtr = ptr;
    // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
    // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
    var idx = endPtr >> 1;
    while (HEAP16[idx]) ++idx;
    endPtr = idx << 1;
  
    if (endPtr - ptr > 32 && UTF16Decoder) {
      return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
    } else {
      var i = 0;
  
      var str = '';
      while (1) {
        var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
        if (codeUnit == 0) return str;
        ++i;
        // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
        str += String.fromCharCode(codeUnit);
      }
    }
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP.
  // Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Parameters:
  //   str: the Javascript string to copy.
  //   outPtr: Byte address in Emscripten HEAP where to write the string to.
  //   maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
  //                    terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else.
  //                    maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF16(str, outPtr, maxBytesToWrite) {
    assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!');
    assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
    // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
    if (maxBytesToWrite === undefined) {
      maxBytesToWrite = 0x7FFFFFFF;
    }
    if (maxBytesToWrite < 2) return 0;
    maxBytesToWrite -= 2; // Null terminator.
    var startPtr = outPtr;
    var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
    for (var i = 0; i < numCharsToWrite; ++i) {
      // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
      var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
      HEAP16[((outPtr)>>1)]=codeUnit;
      outPtr += 2;
    }
    // Null-terminate the pointer to the HEAP.
    HEAP16[((outPtr)>>1)]=0;
    return outPtr - startPtr;
  }
  
  // Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
  
  function lengthBytesUTF16(str) {
    return str.length*2;
  }
  
  function UTF32ToString(ptr) {
    assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!');
    var i = 0;
  
    var str = '';
    while (1) {
      var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
      if (utf32 == 0)
        return str;
      ++i;
      // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      if (utf32 >= 0x10000) {
        var ch = utf32 - 0x10000;
        str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
      } else {
        str += String.fromCharCode(utf32);
      }
    }
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP.
  // Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Parameters:
  //   str: the Javascript string to copy.
  //   outPtr: Byte address in Emscripten HEAP where to write the string to.
  //   maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
  //                    terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else.
  //                    maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF32(str, outPtr, maxBytesToWrite) {
    assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!');
    assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
    // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
    if (maxBytesToWrite === undefined) {
      maxBytesToWrite = 0x7FFFFFFF;
    }
    if (maxBytesToWrite < 4) return 0;
    var startPtr = outPtr;
    var endPtr = startPtr + maxBytesToWrite - 4;
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
      if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
        var trailSurrogate = str.charCodeAt(++i);
        codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
      }
      HEAP32[((outPtr)>>2)]=codeUnit;
      outPtr += 4;
      if (outPtr + 4 > endPtr) break;
    }
    // Null-terminate the pointer to the HEAP.
    HEAP32[((outPtr)>>2)]=0;
    return outPtr - startPtr;
  }
  
  // Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
  
  function lengthBytesUTF32(str) {
    var len = 0;
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      var codeUnit = str.charCodeAt(i);
      if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
      len += 4;
    }
  
    return len;
  }
  
  // Allocate heap space for a JS string, and write it there.
  // It is the responsibility of the caller to free() that memory.
  function allocateUTF8(str) {
    var size = lengthBytesUTF8(str) + 1;
    var ret = _malloc(size);
    if (ret) stringToUTF8Array(str, HEAP8, ret, size);
    return ret;
  }
  
  // Allocate stack space for a JS string, and write it there.
  function allocateUTF8OnStack(str) {
    var size = lengthBytesUTF8(str) + 1;
    var ret = stackAlloc(size);
    stringToUTF8Array(str, HEAP8, ret, size);
    return ret;
  }
  
  function demangle(func) {
    warnOnce('warning: build with  -s DEMANGLE_SUPPORT=1  to link in libcxxabi demangling');
    return func;
  }
  
  function demangleAll(text) {
    var regex =
      /__Z[\w\d_]+/g;
    return text.replace(regex,
      function(x) {
        var y = demangle(x);
        return x === y ? x : (y + ' [' + x + ']');
      });
  }
  
  function jsStackTrace() {
    var err = new Error();
    if (!err.stack) {
      // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown,
      // so try that as a special-case.
      try {
        throw new Error(0);
      } catch(e) {
        err = e;
      }
      if (!err.stack) {
        return '(no stack trace available)';
      }
    }
    return err.stack.toString();
  }
  
  function stackTrace() {
    var js = jsStackTrace();
    if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace']();
    return demangleAll(js);
  }
  
  // Memory management
  
  var PAGE_SIZE = 16384;
  var WASM_PAGE_SIZE = 65536;
  var ASMJS_PAGE_SIZE = 16777216;
  var MIN_TOTAL_MEMORY = 16777216;
  
  function alignUp(x, multiple) {
    if (x % multiple > 0) {
      x += multiple - (x % multiple);
    }
    return x;
  }
  
  var HEAP,
  /** @type {ArrayBuffer} */
    buffer,
  /** @type {Int8Array} */
    HEAP8,
  /** @type {Uint8Array} */
    HEAPU8,
  /** @type {Int16Array} */
    HEAP16,
  /** @type {Uint16Array} */
    HEAPU16,
  /** @type {Int32Array} */
    HEAP32,
  /** @type {Uint32Array} */
    HEAPU32,
  /** @type {Float32Array} */
    HEAPF32,
  /** @type {Float64Array} */
    HEAPF64;
  
  function updateGlobalBuffer(buf) {
    Module['buffer'] = buffer = buf;
  }
  
  function updateGlobalBufferViews() {
    Module['HEAP8'] = HEAP8 = new Int8Array(buffer);
    Module['HEAP16'] = HEAP16 = new Int16Array(buffer);
    Module['HEAP32'] = HEAP32 = new Int32Array(buffer);
    Module['HEAPU8'] = HEAPU8 = new Uint8Array(buffer);
    Module['HEAPU16'] = HEAPU16 = new Uint16Array(buffer);
    Module['HEAPU32'] = HEAPU32 = new Uint32Array(buffer);
    Module['HEAPF32'] = HEAPF32 = new Float32Array(buffer);
    Module['HEAPF64'] = HEAPF64 = new Float64Array(buffer);
  }
  
  
  var STATIC_BASE = 1024,
      STACK_BASE = 79840,
      STACKTOP = STACK_BASE,
      STACK_MAX = 5322720,
      DYNAMIC_BASE = 5322720,
      DYNAMICTOP_PTR = 79584;
  
  assert(STACK_BASE % 16 === 0, 'stack must start aligned');
  assert(DYNAMIC_BASE % 16 === 0, 'heap must start aligned');
  
  
  
  // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
  function writeStackCookie() {
    assert((STACK_MAX & 3) == 0);
    HEAPU32[(STACK_MAX >> 2)-1] = 0x02135467;
    HEAPU32[(STACK_MAX >> 2)-2] = 0x89BACDFE;
  }
  
  function checkStackCookie() {
    if (HEAPU32[(STACK_MAX >> 2)-1] != 0x02135467 || HEAPU32[(STACK_MAX >> 2)-2] != 0x89BACDFE) {
      abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x02135467, but received 0x' + HEAPU32[(STACK_MAX >> 2)-2].toString(16) + ' ' + HEAPU32[(STACK_MAX >> 2)-1].toString(16));
    }
    // Also test the global address 0 for integrity.
    if (HEAP32[0] !== 0x63736d65 /* 'emsc' */) throw 'Runtime error: The application has corrupted its heap memory area (address zero)!';
  }
  
  function abortStackOverflow(allocSize) {
    abort('Stack overflow! Attempted to allocate ' + allocSize + ' bytes on the stack, but stack has only ' + (STACK_MAX - stackSave() + allocSize) + ' bytes available!');
  }
  
  
  function abortOnCannotGrowMemory() {
    abort('Cannot enlarge memory arrays. Either (1) compile with  -s TOTAL_MEMORY=X  with X higher than the current value ' + TOTAL_MEMORY + ', (2) compile with  -s ALLOW_MEMORY_GROWTH=1  which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with  -s ABORTING_MALLOC=0 ');
  }
  
  
  function enlargeMemory() {
    abortOnCannotGrowMemory();
  }
  
  
  var TOTAL_STACK = 5242880;
  if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime')
  
  var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216;
  if (TOTAL_MEMORY < TOTAL_STACK) err('TOTAL_MEMORY should be larger than TOTAL_STACK, was ' + TOTAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')');
  
  // Initialize the runtime's memory
  // check for full engine support (use string 'subarray' to avoid closure compiler confusion)
  assert(typeof Int32Array !== 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray !== undefined && Int32Array.prototype.set !== undefined,
         'JS engine does not provide full typed array support');
  
  
  
  // Use a provided buffer, if there is one, or else allocate a new one
  if (Module['buffer']) {
    buffer = Module['buffer'];
    assert(buffer.byteLength === TOTAL_MEMORY, 'provided buffer should be ' + TOTAL_MEMORY + ' bytes, but it is ' + buffer.byteLength);
  } else {
    // Use a WebAssembly memory where available
    if (typeof WebAssembly === 'object' && typeof WebAssembly.Memory === 'function') {
      assert(TOTAL_MEMORY % WASM_PAGE_SIZE === 0);
      Module['wasmMemory'] = new WebAssembly.Memory({ 'initial': TOTAL_MEMORY / WASM_PAGE_SIZE, 'maximum': TOTAL_MEMORY / WASM_PAGE_SIZE });
      buffer = Module['wasmMemory'].buffer;
    } else
    {
      buffer = new ArrayBuffer(TOTAL_MEMORY);
    }
    assert(buffer.byteLength === TOTAL_MEMORY);
    Module['buffer'] = buffer;
  }
  updateGlobalBufferViews();
  
  
  HEAP32[DYNAMICTOP_PTR>>2] = DYNAMIC_BASE;
  
  function getTotalMemory() {
    return TOTAL_MEMORY;
  }
  
  // Endianness check (note: assumes compiler arch was little-endian)
    HEAP32[0] = 0x63736d65; /* 'emsc' */
  HEAP16[1] = 0x6373;
  if (HEAPU8[2] !== 0x73 || HEAPU8[3] !== 0x63) throw 'Runtime error: expected the system to be little-endian!';
  
  function callRuntimeCallbacks(callbacks) {
    while(callbacks.length > 0) {
      var callback = callbacks.shift();
      if (typeof callback == 'function') {
        callback();
        continue;
      }
      var func = callback.func;
      if (typeof func === 'number') {
        if (callback.arg === undefined) {
          Module['dynCall_v'](func);
        } else {
          Module['dynCall_vi'](func, callback.arg);
        }
      } else {
        func(callback.arg === undefined ? null : callback.arg);
      }
    }
  }
  
  var __ATPRERUN__  = []; // functions called before the runtime is initialized
  var __ATINIT__    = []; // functions called during startup
  var __ATMAIN__    = []; // functions called when main() is to be run
  var __ATEXIT__    = []; // functions called during shutdown
  var __ATPOSTRUN__ = []; // functions called after the main() is called
  
  var runtimeInitialized = false;
  var runtimeExited = false;
  
  
  function preRun() {
    // compatibility - merge in anything from Module['preRun'] at this time
    if (Module['preRun']) {
      if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
      while (Module['preRun'].length) {
        addOnPreRun(Module['preRun'].shift());
      }
    }
    callRuntimeCallbacks(__ATPRERUN__);
  }
  
  function ensureInitRuntime() {
    checkStackCookie();
    if (runtimeInitialized) return;
    runtimeInitialized = true;
    callRuntimeCallbacks(__ATINIT__);
  }
  
  function preMain() {
    checkStackCookie();
    callRuntimeCallbacks(__ATMAIN__);
  }
  
  function exitRuntime() {
    checkStackCookie();
    callRuntimeCallbacks(__ATEXIT__);
    runtimeExited = true;
  }
  
  function postRun() {
    checkStackCookie();
    // compatibility - merge in anything from Module['postRun'] at this time
    if (Module['postRun']) {
      if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
      while (Module['postRun'].length) {
        addOnPostRun(Module['postRun'].shift());
      }
    }
    callRuntimeCallbacks(__ATPOSTRUN__);
  }
  
  function addOnPreRun(cb) {
    __ATPRERUN__.unshift(cb);
  }
  
  function addOnInit(cb) {
    __ATINIT__.unshift(cb);
  }
  
  function addOnPreMain(cb) {
    __ATMAIN__.unshift(cb);
  }
  
  function addOnExit(cb) {
    __ATEXIT__.unshift(cb);
  }
  
  function addOnPostRun(cb) {
    __ATPOSTRUN__.unshift(cb);
  }
  
  // Deprecated: This function should not be called because it is unsafe and does not provide
  // a maximum length limit of how many bytes it is allowed to write. Prefer calling the
  // function stringToUTF8Array() instead, which takes in a maximum length that can be used
  // to be secure from out of bounds writes.
  /** @deprecated */
  function writeStringToMemory(string, buffer, dontAddNull) {
    warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!');
  
    var /** @type {number} */ lastChar, /** @type {number} */ end;
    if (dontAddNull) {
      // stringToUTF8Array always appends null. If we don't want to do that, remember the
      // character that existed at the location where the null will be placed, and restore
      // that after the write (below).
      end = buffer + lengthBytesUTF8(string);
      lastChar = HEAP8[end];
    }
    stringToUTF8(string, buffer, Infinity);
    if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character.
  }
  
  function writeArrayToMemory(array, buffer) {
    assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)')
    HEAP8.set(array, buffer);
  }
  
  function writeAsciiToMemory(str, buffer, dontAddNull) {
    for (var i = 0; i < str.length; ++i) {
      assert(str.charCodeAt(i) === str.charCodeAt(i)&0xff);
      HEAP8[((buffer++)>>0)]=str.charCodeAt(i);
    }
    // Null-terminate the pointer to the HEAP.
    if (!dontAddNull) HEAP8[((buffer)>>0)]=0;
  }
  
  function unSign(value, bits, ignore) {
    if (value >= 0) {
      return value;
    }
    return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts
                      : Math.pow(2, bits)         + value;
  }
  function reSign(value, bits, ignore) {
    if (value <= 0) {
      return value;
    }
    var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32
                          : Math.pow(2, bits-1);
    if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that
                                                         // but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors
                                                         // TODO: In i64 mode 1, resign the two parts separately and safely
      value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts
    }
    return value;
  }
  
  assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  
  var Math_abs = Math.abs;
  var Math_cos = Math.cos;
  var Math_sin = Math.sin;
  var Math_tan = Math.tan;
  var Math_acos = Math.acos;
  var Math_asin = Math.asin;
  var Math_atan = Math.atan;
  var Math_atan2 = Math.atan2;
  var Math_exp = Math.exp;
  var Math_log = Math.log;
  var Math_sqrt = Math.sqrt;
  var Math_ceil = Math.ceil;
  var Math_floor = Math.floor;
  var Math_pow = Math.pow;
  var Math_imul = Math.imul;
  var Math_fround = Math.fround;
  var Math_round = Math.round;
  var Math_min = Math.min;
  var Math_max = Math.max;
  var Math_clz32 = Math.clz32;
  var Math_trunc = Math.trunc;
  
  // A counter of dependencies for calling run(). If we need to
  // do asynchronous work before running, increment this and
  // decrement it. Incrementing must happen in a place like
  // Module.preRun (used by emcc to add file preloading).
  // Note that you can add dependencies in preRun, even though
  // it happens right before run - run will be postponed until
  // the dependencies are met.
  var runDependencies = 0;
  var runDependencyWatcher = null;
  var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
  var runDependencyTracking = {};
  
  function getUniqueRunDependency(id) {
    var orig = id;
    while (1) {
      if (!runDependencyTracking[id]) return id;
      id = orig + Math.random();
    }
    return id;
  }
  
  function addRunDependency(id) {
    runDependencies++;
    if (Module['monitorRunDependencies']) {
      Module['monitorRunDependencies'](runDependencies);
    }
    if (id) {
      assert(!runDependencyTracking[id]);
      runDependencyTracking[id] = 1;
      if (runDependencyWatcher === null && typeof setInterval !== 'undefined') {
        // Check for missing dependencies every few seconds
        runDependencyWatcher = setInterval(function() {
          if (ABORT) {
            clearInterval(runDependencyWatcher);
            runDependencyWatcher = null;
            return;
          }
          var shown = false;
          for (var dep in runDependencyTracking) {
            if (!shown) {
              shown = true;
              err('still waiting on run dependencies:');
            }
            err('dependency: ' + dep);
          }
          if (shown) {
            err('(end of list)');
          }
        }, 10000);
      }
    } else {
      err('warning: run dependency added without ID');
    }
  }
  
  function removeRunDependency(id) {
    runDependencies--;
    if (Module['monitorRunDependencies']) {
      Module['monitorRunDependencies'](runDependencies);
    }
    if (id) {
      assert(runDependencyTracking[id]);
      delete runDependencyTracking[id];
    } else {
      err('warning: run dependency removed without ID');
    }
    if (runDependencies == 0) {
      if (runDependencyWatcher !== null) {
        clearInterval(runDependencyWatcher);
        runDependencyWatcher = null;
      }
      if (dependenciesFulfilled) {
        var callback = dependenciesFulfilled;
        dependenciesFulfilled = null;
        callback(); // can add another dependenciesFulfilled
      }
    }
  }
  
  Module["preloadedImages"] = {}; // maps url to image data
  Module["preloadedAudios"] = {}; // maps url to audio data
  
  
  
  var memoryInitializer = null;
  
  
  
  
  
  
  // Copyright 2017 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  // Prefix of data URIs emitted by SINGLE_FILE and related options.
  var dataURIPrefix = 'data:application/octet-stream;base64,';
  
  // Indicates whether filename is a base64 data URI.
  function isDataURI(filename) {
    return String.prototype.startsWith ?
        filename.startsWith(dataURIPrefix) :
        filename.indexOf(dataURIPrefix) === 0;
  }
  
  
  
  
  function integrateWasmJS() {
    var wasmBinaryFile = 'particle.wasm';
    if (!isDataURI(wasmBinaryFile)) {
      wasmBinaryFile = locateFile(wasmBinaryFile);
    }
  
    // utilities
  
    var wasmPageSize = 64*1024;
  
    var info = {
      'global': null,
      'env': null,
      'asm2wasm': asm2wasmImports,
      'parent': Module // Module inside wasm-js.cpp refers to wasm-js.cpp; this allows access to the outside program.
    };
  
    var exports = null;
  
    function mergeMemory(newBuffer) {
      // The wasm instance creates its memory. But static init code might have written to
      // buffer already, including the mem init file, and we must copy it over in a proper merge.
      // TODO: avoid this copy, by avoiding such static init writes
      // TODO: in shorter term, just copy up to the last static init write
      var oldBuffer = Module['buffer'];
      if (newBuffer.byteLength < oldBuffer.byteLength) {
        err('the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here');
      }
      var oldView = new Int8Array(oldBuffer);
      var newView = new Int8Array(newBuffer);
  
  
      newView.set(oldView);
      updateGlobalBuffer(newBuffer);
      updateGlobalBufferViews();
    }
  
    function getBinary() {
      try {
        if (Module['wasmBinary']) {
          return new Uint8Array(Module['wasmBinary']);
        }
        if (Module['readBinary']) {
          return Module['readBinary'](wasmBinaryFile);
        } else {
          throw "both async and sync fetching of the wasm failed";
        }
      }
      catch (err) {
        abort(err);
      }
    }
  
    function getBinaryPromise() {
      // if we don't have the binary yet, and have the Fetch api, use that
      // in some environments, like Electron's render process, Fetch api may be present, but have a different context than expected, let's only use it on the Web
      if (!Module['wasmBinary'] && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === 'function') {
        return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) {
          if (!response['ok']) {
            throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
          }
          return response['arrayBuffer']();
        }).catch(function () {
          return getBinary();
        });
      }
      // Otherwise, getBinary should be able to get it synchronously
      return new Promise(function(resolve, reject) {
        resolve(getBinary());
      });
    }
  
    // Create the wasm instance.
    // Receives the wasm imports, returns the exports.
    function createWasm(global, env, providedBuffer) {
      if (typeof WebAssembly !== 'object') {
        abort('No WebAssembly support found. Build with -s WASM=0 to target JavaScript instead.');
        err('no native wasm support detected');
        return false;
      }
      // prepare memory import
      if (!(Module['wasmMemory'] instanceof WebAssembly.Memory)) {
        err('no native wasm Memory in use');
        return false;
      }
      env['memory'] = Module['wasmMemory'];
      // Load the wasm module and create an instance of using native support in the JS engine.
      info['global'] = {
        'NaN': NaN,
        'Infinity': Infinity
      };
      info['global.Math'] = Math;
      info['env'] = env;
      // handle a generated wasm instance, receiving its exports and
      // performing other necessary setup
      function receiveInstance(instance, module) {
        exports = instance.exports;
        if (exports.memory) mergeMemory(exports.memory);
        Module['asm'] = exports;
        removeRunDependency('wasm-instantiate');
      }
      addRunDependency('wasm-instantiate');
  
      // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
      // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel
      // to any other async startup actions they are performing.
      if (Module['instantiateWasm']) {
        try {
          return Module['instantiateWasm'](info, receiveInstance);
        } catch(e) {
          err('Module.instantiateWasm callback failed with error: ' + e);
          return false;
        }
      }
  
      // Async compilation can be confusing when an error on the page overwrites Module
      // (for example, if the order of elements is wrong, and the one defining Module is
      // later), so we save Module and check it later.
      var trueModule = Module;
      function receiveInstantiatedSource(output) {
        // 'output' is a WebAssemblyInstantiatedSource object which has both the module and instance.
        // receiveInstance() will swap in the exports (to Module.asm) so they can be called
        assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
        trueModule = null;
        receiveInstance(output['instance'], output['module']);
      }
      function instantiateArrayBuffer(receiver) {
        getBinaryPromise().then(function(binary) {
          return WebAssembly.instantiate(binary, info);
        }).then(receiver, function(reason) {
          err('failed to asynchronously prepare wasm: ' + reason);
          abort(reason);
        });
      }
      // Prefer streaming instantiation if available.
      if (!Module['wasmBinary'] &&
          typeof WebAssembly.instantiateStreaming === 'function' &&
          !isDataURI(wasmBinaryFile) &&
          typeof fetch === 'function') {
        WebAssembly.instantiateStreaming(fetch(wasmBinaryFile, { credentials: 'same-origin' }), info)
          .then(receiveInstantiatedSource, function(reason) {
            // We expect the most common failure cause to be a bad MIME type for the binary,
            // in which case falling back to ArrayBuffer instantiation should work.
            err('wasm streaming compile failed: ' + reason);
            err('falling back to ArrayBuffer instantiation');
            instantiateArrayBuffer(receiveInstantiatedSource);
          });
      } else {
        instantiateArrayBuffer(receiveInstantiatedSource);
      }
      return {}; // no exports yet; we'll fill them in later
    }
  
    // We may have a preloaded value in Module.asm, save it
    Module['asmPreload'] = Module['asm'];
  
    // Memory growth integration code
  
    var wasmReallocBuffer = function(size) {
      var PAGE_MULTIPLE = 65536;
      size = alignUp(size, PAGE_MULTIPLE); // round up to wasm page size
      var old = Module['buffer'];
      var oldSize = old.byteLength;
      // native wasm support
      try {
        var result = Module['wasmMemory'].grow((size - oldSize) / wasmPageSize); // .grow() takes a delta compared to the previous size
        if (result !== (-1 | 0)) {
          // success in native wasm memory growth, get the buffer from the memory
          return Module['buffer'] = Module['wasmMemory'].buffer;
        } else {
          return null;
        }
      } catch(e) {
        console.error('Module.reallocBuffer: Attempted to grow from ' + oldSize  + ' bytes to ' + size + ' bytes, but got error: ' + e);
        return null;
      }
    };
  
    Module['reallocBuffer'] = function(size) {
      return wasmReallocBuffer(size);
    };
  
    // Provide an "asm.js function" for the application, called to "link" the asm.js module. We instantiate
    // the wasm module at that time, and it receives imports and provides exports and so forth, the app
    // doesn't need to care that it is wasm or asm.js.
  
    Module['asm'] = function(global, env, providedBuffer) {
      // import table
      if (!env['table']) {
       assert(Module['wasmTableSize'] !== undefined);
        var TABLE_SIZE = Module['wasmTableSize'];
        var MAX_TABLE_SIZE = Module['wasmMaxTableSize'];
        if (typeof WebAssembly === 'object' && typeof WebAssembly.Table === 'function') {
          if (MAX_TABLE_SIZE !== undefined) {
            env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, 'maximum': MAX_TABLE_SIZE, 'element': 'anyfunc' });
          } else {
            env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, element: 'anyfunc' });
          }
        } else {
          env['table'] = new Array(TABLE_SIZE); // works in binaryen interpreter at least
        }
        Module['wasmTable'] = env['table'];
      }
  
      if (!env['__memory_base']) {
        env['__memory_base'] = Module['STATIC_BASE']; // tell the memory segments where to place themselves
      }
      if (!env['__table_base']) {
        env['__table_base'] = 0; // table starts at 0 by default, in dynamic linking this will change
      }
  
      var exports = createWasm(global, env, providedBuffer);
  
      assert(exports, 'binaryen setup failed (no wasm support?)');
  
      return exports;
    };
  }
  
  integrateWasmJS();
  
  // === Body ===
  
  var ASM_CONSTS = [function() { return screen.width; },
   function() { return screen.height; },
   function($0) { if (typeof Module['setWindowTitle'] !== 'undefined') { Module['setWindowTitle'](Module['Pointer_stringify']($0)); } return 0; },
   function($0, $1, $2) { var w = $0; var h = $1; var pixels = $2; if (!Module['SDL2']) Module['SDL2'] = {}; var SDL2 = Module['SDL2']; if (SDL2.ctxCanvas !== Module['canvas']) { SDL2.ctx = Module['createContext'](Module['canvas'], false, true); SDL2.ctxCanvas = Module['canvas']; } if (SDL2.w !== w || SDL2.h !== h || SDL2.imageCtx !== SDL2.ctx) { SDL2.image = SDL2.ctx.createImageData(w, h); SDL2.w = w; SDL2.h = h; SDL2.imageCtx = SDL2.ctx; } var data = SDL2.image.data; var src = pixels >> 2; var dst = 0; var num; if (typeof CanvasPixelArray !== 'undefined' && data instanceof CanvasPixelArray) { num = data.length; while (dst < num) { var val = HEAP32[src]; data[dst ] = val & 0xff; data[dst+1] = (val >> 8) & 0xff; data[dst+2] = (val >> 16) & 0xff; data[dst+3] = 0xff; src++; dst += 4; } } else { if (SDL2.data32Data !== data) { SDL2.data32 = new Int32Array(data.buffer); SDL2.data8 = new Uint8Array(data.buffer); } var data32 = SDL2.data32; num = data32.length; data32.set(HEAP32.subarray(src, src + num)); var data8 = SDL2.data8; var i = 3; var j = i + 4*num; if (num % 8 == 0) { while (i < j) { data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; } } else { while (i < j) { data8[i] = 0xff; i = i + 4 | 0; } } } SDL2.ctx.putImageData(SDL2.image, 0, 0); return 0; },
   function($0, $1, $2, $3, $4) { var w = $0; var h = $1; var hot_x = $2; var hot_y = $3; var pixels = $4; var canvas = document.createElement("canvas"); canvas.width = w; canvas.height = h; var ctx = canvas.getContext("2d"); var image = ctx.createImageData(w, h); var data = image.data; var src = pixels >> 2; var dst = 0; var num; if (typeof CanvasPixelArray !== 'undefined' && data instanceof CanvasPixelArray) { num = data.length; while (dst < num) { var val = HEAP32[src]; data[dst ] = val & 0xff; data[dst+1] = (val >> 8) & 0xff; data[dst+2] = (val >> 16) & 0xff; data[dst+3] = (val >> 24) & 0xff; src++; dst += 4; } } else { var data32 = new Int32Array(data.buffer); num = data32.length; data32.set(HEAP32.subarray(src, src + num)); } ctx.putImageData(image, 0, 0); var url = hot_x === 0 && hot_y === 0 ? "url(" + canvas.toDataURL() + "), auto" : "url(" + canvas.toDataURL() + ") " + hot_x + " " + hot_y + ", auto"; var urlBuf = _malloc(url.length + 1); stringToUTF8(url, urlBuf, url.length + 1); return urlBuf; },
   function($0) { if (Module['canvas']) { Module['canvas'].style['cursor'] = Module['Pointer_stringify']($0); } return 0; },
   function() { if (Module['canvas']) { Module['canvas'].style['cursor'] = 'none'; } },
   function() { if (typeof(AudioContext) !== 'undefined') { return 1; } else if (typeof(webkitAudioContext) !== 'undefined') { return 1; } return 0; },
   function() { if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) { return 1; } else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') { return 1; } return 0; },
   function($0) { if(typeof(SDL2) === 'undefined') { SDL2 = {}; } if (!$0) { SDL2.audio = {}; } else { SDL2.capture = {}; } if (!SDL2.audioContext) { if (typeof(AudioContext) !== 'undefined') { SDL2.audioContext = new AudioContext(); } else if (typeof(webkitAudioContext) !== 'undefined') { SDL2.audioContext = new webkitAudioContext(); } } return SDL2.audioContext === undefined ? -1 : 0; },
   function() { return SDL2.audioContext.sampleRate; },
   function($0, $1, $2, $3) { var have_microphone = function(stream) { if (SDL2.capture.silenceTimer !== undefined) { clearTimeout(SDL2.capture.silenceTimer); SDL2.capture.silenceTimer = undefined; } SDL2.capture.mediaStreamNode = SDL2.audioContext.createMediaStreamSource(stream); SDL2.capture.scriptProcessorNode = SDL2.audioContext.createScriptProcessor($1, $0, 1); SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) { if ((SDL2 === undefined) || (SDL2.capture === undefined)) { return; } audioProcessingEvent.outputBuffer.getChannelData(0).fill(0.0); SDL2.capture.currentCaptureBuffer = audioProcessingEvent.inputBuffer; Runtime.dynCall('vi', $2, [$3]); }; SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode); SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination); SDL2.capture.stream = stream; }; var no_microphone = function(error) { }; SDL2.capture.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate); SDL2.capture.silenceBuffer.getChannelData(0).fill(0.0); var silence_callback = function() { SDL2.capture.currentCaptureBuffer = SDL2.capture.silenceBuffer; Runtime.dynCall('vi', $2, [$3]); }; SDL2.capture.silenceTimer = setTimeout(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1000); if ((navigator.mediaDevices !== undefined) && (navigator.mediaDevices.getUserMedia !== undefined)) { navigator.mediaDevices.getUserMedia({ audio: true, video: false }).then(have_microphone).catch(no_microphone); } else if (navigator.webkitGetUserMedia !== undefined) { navigator.webkitGetUserMedia({ audio: true, video: false }, have_microphone, no_microphone); } },
   function($0, $1, $2, $3) { SDL2.audio.scriptProcessorNode = SDL2.audioContext['createScriptProcessor']($1, 0, $0); SDL2.audio.scriptProcessorNode['onaudioprocess'] = function (e) { if ((SDL2 === undefined) || (SDL2.audio === undefined)) { return; } SDL2.audio.currentOutputBuffer = e['outputBuffer']; Runtime.dynCall('vi', $2, [$3]); }; SDL2.audio.scriptProcessorNode['connect'](SDL2.audioContext['destination']); },
   function($0) { if ($0) { if (SDL2.capture.silenceTimer !== undefined) { clearTimeout(SDL2.capture.silenceTimer); } if (SDL2.capture.stream !== undefined) { var tracks = SDL2.capture.stream.getAudioTracks(); for (var i = 0; i < tracks.length; i++) { SDL2.capture.stream.removeTrack(tracks[i]); } SDL2.capture.stream = undefined; } if (SDL2.capture.scriptProcessorNode !== undefined) { SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {}; SDL2.capture.scriptProcessorNode.disconnect(); SDL2.capture.scriptProcessorNode = undefined; } if (SDL2.capture.mediaStreamNode !== undefined) { SDL2.capture.mediaStreamNode.disconnect(); SDL2.capture.mediaStreamNode = undefined; } if (SDL2.capture.silenceBuffer !== undefined) { SDL2.capture.silenceBuffer = undefined } SDL2.capture = undefined; } else { if (SDL2.audio.scriptProcessorNode != undefined) { SDL2.audio.scriptProcessorNode.disconnect(); SDL2.audio.scriptProcessorNode = undefined; } SDL2.audio = undefined; } if ((SDL2.audioContext !== undefined) && (SDL2.audio === undefined) && (SDL2.capture === undefined)) { SDL2.audioContext.close(); SDL2.audioContext = undefined; } },
   function($0, $1) { var numChannels = SDL2.capture.currentCaptureBuffer.numberOfChannels; for (var c = 0; c < numChannels; ++c) { var channelData = SDL2.capture.currentCaptureBuffer.getChannelData(c); if (channelData.length != $1) { throw 'Web Audio capture buffer length mismatch! Destination size: ' + channelData.length + ' samples vs expected ' + $1 + ' samples!'; } if (numChannels == 1) { for (var j = 0; j < $1; ++j) { setValue($0 + (j * 4), channelData[j], 'float'); } } else { for (var j = 0; j < $1; ++j) { setValue($0 + (((j * numChannels) + c) * 4), channelData[j], 'float'); } } } },
   function($0, $1) { var numChannels = SDL2.audio.currentOutputBuffer['numberOfChannels']; for (var c = 0; c < numChannels; ++c) { var channelData = SDL2.audio.currentOutputBuffer['getChannelData'](c); if (channelData.length != $1) { throw 'Web Audio output buffer length mismatch! Destination size: ' + channelData.length + ' samples vs expected ' + $1 + ' samples!'; } for (var j = 0; j < $1; ++j) { channelData[j] = HEAPF32[$0 + ((j*numChannels + c) << 2) >> 2]; } } }];
  
  function _emscripten_asm_const_i(code) {
    return ASM_CONSTS[code]();
  }
  
  function _emscripten_asm_const_iiiii(code, a0, a1, a2, a3) {
    return ASM_CONSTS[code](a0, a1, a2, a3);
  }
  
  function _emscripten_asm_const_ii(code, a0) {
    return ASM_CONSTS[code](a0);
  }
  
  function _emscripten_asm_const_iii(code, a0, a1) {
    return ASM_CONSTS[code](a0, a1);
  }
  
  function _emscripten_asm_const_iiiiii(code, a0, a1, a2, a3, a4) {
    return ASM_CONSTS[code](a0, a1, a2, a3, a4);
  }
  
  function _emscripten_asm_const_iiii(code, a0, a1, a2) {
    return ASM_CONSTS[code](a0, a1, a2);
  }
  
  
  
  
  STATIC_BASE = GLOBAL_BASE;
  
  // STATICTOP = STATIC_BASE + 78816;
  /* global initializers */  __ATINIT__.push({ func: function() { ___emscripten_environ_constructor() } });
  
  
  
  
  
  
  
  var STATIC_BUMP = 78816;
  Module["STATIC_BASE"] = STATIC_BASE;
  Module["STATIC_BUMP"] = STATIC_BUMP;
  
  /* no memory initializer */
  var tempDoublePtr = 79824
  assert(tempDoublePtr % 8 == 0);
  
  function copyTempFloat(ptr) { // functions, because inlining this code increases code size too much
    HEAP8[tempDoublePtr] = HEAP8[ptr];
    HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
    HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
    HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
  }
  
  function copyTempDouble(ptr) {
    HEAP8[tempDoublePtr] = HEAP8[ptr];
    HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
    HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
    HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
    HEAP8[tempDoublePtr+4] = HEAP8[ptr+4];
    HEAP8[tempDoublePtr+5] = HEAP8[ptr+5];
    HEAP8[tempDoublePtr+6] = HEAP8[ptr+6];
    HEAP8[tempDoublePtr+7] = HEAP8[ptr+7];
  }
  
  // {{PRE_LIBRARY}}
  
  
    
    var ENV={};function ___buildEnvironment(environ) {
        // WARNING: Arbitrary limit!
        var MAX_ENV_VALUES = 64;
        var TOTAL_ENV_SIZE = 1024;
    
        // Statically allocate memory for the environment.
        var poolPtr;
        var envPtr;
        if (!___buildEnvironment.called) {
          ___buildEnvironment.called = true;
          // Set default values. Use string keys for Closure Compiler compatibility.
          ENV['USER'] = ENV['LOGNAME'] = 'web_user';
          ENV['PATH'] = '/';
          ENV['PWD'] = '/';
          ENV['HOME'] = '/home/web_user';
          ENV['LANG'] = 'C.UTF-8';
          ENV['_'] = Module['thisProgram'];
          // Allocate memory.
          poolPtr = getMemory(TOTAL_ENV_SIZE);
          envPtr = getMemory(MAX_ENV_VALUES * 4);
          HEAP32[((envPtr)>>2)]=poolPtr;
          HEAP32[((environ)>>2)]=envPtr;
        } else {
          envPtr = HEAP32[((environ)>>2)];
          poolPtr = HEAP32[((envPtr)>>2)];
        }
    
        // Collect key=value lines.
        var strings = [];
        var totalSize = 0;
        for (var key in ENV) {
          if (typeof ENV[key] === 'string') {
            var line = key + '=' + ENV[key];
            strings.push(line);
            totalSize += line.length;
          }
        }
        if (totalSize > TOTAL_ENV_SIZE) {
          throw new Error('Environment size exceeded TOTAL_ENV_SIZE!');
        }
    
        // Make new.
        var ptrSize = 4;
        for (var i = 0; i < strings.length; i++) {
          var line = strings[i];
          writeAsciiToMemory(line, poolPtr);
          HEAP32[(((envPtr)+(i * ptrSize))>>2)]=poolPtr;
          poolPtr += line.length + 1;
        }
        HEAP32[(((envPtr)+(strings.length * ptrSize))>>2)]=0;
      }
  
    function ___cxa_allocate_exception(size) {
        return _malloc(size);
      }
  
    
    function __ZSt18uncaught_exceptionv() { // std::uncaught_exception()
        return !!__ZSt18uncaught_exceptionv.uncaught_exception;
      }
    
    
    
    var EXCEPTIONS={last:0,caught:[],infos:{},deAdjust:function (adjusted) {
          if (!adjusted || EXCEPTIONS.infos[adjusted]) return adjusted;
          for (var key in EXCEPTIONS.infos) {
            var ptr = +key; // the iteration key is a string, and if we throw this, it must be an integer as that is what we look for
            var adj = EXCEPTIONS.infos[ptr].adjusted;
            var len = adj.length;
            for (var i = 0; i < len; i++) {
              if (adj[i] === adjusted) {
                return ptr;
              }
            }
          }
          return adjusted;
        },addRef:function (ptr) {
          if (!ptr) return;
          var info = EXCEPTIONS.infos[ptr];
          info.refcount++;
        },decRef:function (ptr) {
          if (!ptr) return;
          var info = EXCEPTIONS.infos[ptr];
          assert(info.refcount > 0);
          info.refcount--;
          // A rethrown exception can reach refcount 0; it must not be discarded
          // Its next handler will clear the rethrown flag and addRef it, prior to
          // final decRef and destruction here
          if (info.refcount === 0 && !info.rethrown) {
            if (info.destructor) {
              Module['dynCall_vi'](info.destructor, ptr);
            }
            delete EXCEPTIONS.infos[ptr];
            ___cxa_free_exception(ptr);
          }
        },clearRef:function (ptr) {
          if (!ptr) return;
          var info = EXCEPTIONS.infos[ptr];
          info.refcount = 0;
        }};
    function ___resumeException(ptr) {
        if (!EXCEPTIONS.last) { EXCEPTIONS.last = ptr; }
        throw ptr + " - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch.";
      }function ___cxa_find_matching_catch() {
        var thrown = EXCEPTIONS.last;
        if (!thrown) {
          // just pass through the null ptr
          return ((setTempRet0(0),0)|0);
        }
        var info = EXCEPTIONS.infos[thrown];
        var throwntype = info.type;
        if (!throwntype) {
          // just pass through the thrown ptr
          return ((setTempRet0(0),thrown)|0);
        }
        var typeArray = Array.prototype.slice.call(arguments);
    
        var pointer = Module['___cxa_is_pointer_type'](throwntype);
        // can_catch receives a **, add indirection
        if (!___cxa_find_matching_catch.buffer) ___cxa_find_matching_catch.buffer = _malloc(4);
        HEAP32[((___cxa_find_matching_catch.buffer)>>2)]=thrown;
        thrown = ___cxa_find_matching_catch.buffer;
        // The different catch blocks are denoted by different types.
        // Due to inheritance, those types may not precisely match the
        // type of the thrown object. Find one which matches, and
        // return the type of the catch block which should be called.
        for (var i = 0; i < typeArray.length; i++) {
          if (typeArray[i] && Module['___cxa_can_catch'](typeArray[i], throwntype, thrown)) {
            thrown = HEAP32[((thrown)>>2)]; // undo indirection
            info.adjusted.push(thrown);
            return ((setTempRet0(typeArray[i]),thrown)|0);
          }
        }
        // Shouldn't happen unless we have bogus data in typeArray
        // or encounter a type for which emscripten doesn't have suitable
        // typeinfo defined. Best-efforts match just in case.
        thrown = HEAP32[((thrown)>>2)]; // undo indirection
        return ((setTempRet0(throwntype),thrown)|0);
      }function ___cxa_throw(ptr, type, destructor) {
        EXCEPTIONS.infos[ptr] = {
          ptr: ptr,
          adjusted: [ptr],
          type: type,
          destructor: destructor,
          refcount: 0,
          caught: false,
          rethrown: false
        };
        EXCEPTIONS.last = ptr;
        if (!("uncaught_exception" in __ZSt18uncaught_exceptionv)) {
          __ZSt18uncaught_exceptionv.uncaught_exception = 1;
        } else {
          __ZSt18uncaught_exceptionv.uncaught_exception++;
        }
        throw ptr + " - Exception catching is disabled, this exception cannot be caught. Compile with -s DISABLE_EXCEPTION_CATCHING=0 or DISABLE_EXCEPTION_CATCHING=2 to catch.";
      }
  
    function ___gxx_personality_v0() {
      }
  
    function ___lock() {}
  
    
    
    
    function ___setErrNo(value) {
        if (Module['___errno_location']) HEAP32[((Module['___errno_location']())>>2)]=value;
        else err('failed to set errno from JS');
        return value;
      }
    
    var PATH={splitPath:function (filename) {
          var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
          return splitPathRe.exec(filename).slice(1);
        },normalizeArray:function (parts, allowAboveRoot) {
          // if the path tries to go above the root, `up` ends up > 0
          var up = 0;
          for (var i = parts.length - 1; i >= 0; i--) {
            var last = parts[i];
            if (last === '.') {
              parts.splice(i, 1);
            } else if (last === '..') {
              parts.splice(i, 1);
              up++;
            } else if (up) {
              parts.splice(i, 1);
              up--;
            }
          }
          // if the path is allowed to go above the root, restore leading ..s
          if (allowAboveRoot) {
            for (; up; up--) {
              parts.unshift('..');
            }
          }
          return parts;
        },normalize:function (path) {
          var isAbsolute = path.charAt(0) === '/',
              trailingSlash = path.substr(-1) === '/';
          // Normalize the path
          path = PATH.normalizeArray(path.split('/').filter(function(p) {
            return !!p;
          }), !isAbsolute).join('/');
          if (!path && !isAbsolute) {
            path = '.';
          }
          if (path && trailingSlash) {
            path += '/';
          }
          return (isAbsolute ? '/' : '') + path;
        },dirname:function (path) {
          var result = PATH.splitPath(path),
              root = result[0],
              dir = result[1];
          if (!root && !dir) {
            // No dirname whatsoever
            return '.';
          }
          if (dir) {
            // It has a dirname, strip trailing slash
            dir = dir.substr(0, dir.length - 1);
          }
          return root + dir;
        },basename:function (path) {
          // EMSCRIPTEN return '/'' for '/', not an empty string
          if (path === '/') return '/';
          var lastSlash = path.lastIndexOf('/');
          if (lastSlash === -1) return path;
          return path.substr(lastSlash+1);
        },extname:function (path) {
          return PATH.splitPath(path)[3];
        },join:function () {
          var paths = Array.prototype.slice.call(arguments, 0);
          return PATH.normalize(paths.join('/'));
        },join2:function (l, r) {
          return PATH.normalize(l + '/' + r);
        },resolve:function () {
          var resolvedPath = '',
            resolvedAbsolute = false;
          for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
            var path = (i >= 0) ? arguments[i] : FS.cwd();
            // Skip empty and invalid entries
            if (typeof path !== 'string') {
              throw new TypeError('Arguments to path.resolve must be strings');
            } else if (!path) {
              return ''; // an invalid portion invalidates the whole thing
            }
            resolvedPath = path + '/' + resolvedPath;
            resolvedAbsolute = path.charAt(0) === '/';
          }
          // At this point the path should be resolved to a full absolute path, but
          // handle relative paths to be safe (might happen when process.cwd() fails)
          resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter(function(p) {
            return !!p;
          }), !resolvedAbsolute).join('/');
          return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
        },relative:function (from, to) {
          from = PATH.resolve(from).substr(1);
          to = PATH.resolve(to).substr(1);
          function trim(arr) {
            var start = 0;
            for (; start < arr.length; start++) {
              if (arr[start] !== '') break;
            }
            var end = arr.length - 1;
            for (; end >= 0; end--) {
              if (arr[end] !== '') break;
            }
            if (start > end) return [];
            return arr.slice(start, end - start + 1);
          }
          var fromParts = trim(from.split('/'));
          var toParts = trim(to.split('/'));
          var length = Math.min(fromParts.length, toParts.length);
          var samePartsLength = length;
          for (var i = 0; i < length; i++) {
            if (fromParts[i] !== toParts[i]) {
              samePartsLength = i;
              break;
            }
          }
          var outputParts = [];
          for (var i = samePartsLength; i < fromParts.length; i++) {
            outputParts.push('..');
          }
          outputParts = outputParts.concat(toParts.slice(samePartsLength));
          return outputParts.join('/');
        }};
    
    var TTY={ttys:[],init:function () {
          // https://github.com/kripken/emscripten/pull/1555
          // if (ENVIRONMENT_IS_NODE) {
          //   // currently, FS.init does not distinguish if process.stdin is a file or TTY
          //   // device, it always assumes it's a TTY device. because of this, we're forcing
          //   // process.stdin to UTF8 encoding to at least make stdin reading compatible
          //   // with text files until FS.init can be refactored.
          //   process['stdin']['setEncoding']('utf8');
          // }
        },shutdown:function () {
          // https://github.com/kripken/emscripten/pull/1555
          // if (ENVIRONMENT_IS_NODE) {
          //   // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
          //   // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
          //   // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
          //   // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
          //   // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
          //   process['stdin']['pause']();
          // }
        },register:function (dev, ops) {
          TTY.ttys[dev] = { input: [], output: [], ops: ops };
          FS.registerDevice(dev, TTY.stream_ops);
        },stream_ops:{open:function (stream) {
            var tty = TTY.ttys[stream.node.rdev];
            if (!tty) {
              throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
            }
            stream.tty = tty;
            stream.seekable = false;
          },close:function (stream) {
            // flush any pending line data
            stream.tty.ops.flush(stream.tty);
          },flush:function (stream) {
            stream.tty.ops.flush(stream.tty);
          },read:function (stream, buffer, offset, length, pos /* ignored */) {
            if (!stream.tty || !stream.tty.ops.get_char) {
              throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
            }
            var bytesRead = 0;
            for (var i = 0; i < length; i++) {
              var result;
              try {
                result = stream.tty.ops.get_char(stream.tty);
              } catch (e) {
                throw new FS.ErrnoError(ERRNO_CODES.EIO);
              }
              if (result === undefined && bytesRead === 0) {
                throw new FS.ErrnoError(ERRNO_CODES.EAGAIN);
              }
              if (result === null || result === undefined) break;
              bytesRead++;
              buffer[offset+i] = result;
            }
            if (bytesRead) {
              stream.node.timestamp = Date.now();
            }
            return bytesRead;
          },write:function (stream, buffer, offset, length, pos) {
            if (!stream.tty || !stream.tty.ops.put_char) {
              throw new FS.ErrnoError(ERRNO_CODES.ENXIO);
            }
            try {
              for (var i = 0; i < length; i++) {
                stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
              }
            } catch (e) {
              throw new FS.ErrnoError(ERRNO_CODES.EIO);
            }
            if (length) {
              stream.node.timestamp = Date.now();
            }
            return i;
          }},default_tty_ops:{get_char:function (tty) {
            if (!tty.input.length) {
              var result = null;
              if (ENVIRONMENT_IS_NODE) {
                // we will read data by chunks of BUFSIZE
                var BUFSIZE = 256;
                var buf = new Buffer(BUFSIZE);
                var bytesRead = 0;
    
                var isPosixPlatform = (process.platform != 'win32'); // Node doesn't offer a direct check, so test by exclusion
    
                var fd = process.stdin.fd;
                if (isPosixPlatform) {
                  // Linux and Mac cannot use process.stdin.fd (which isn't set up as sync)
                  var usingDevice = false;
                  try {
                    fd = fs.openSync('/dev/stdin', 'r');
                    usingDevice = true;
                  } catch (e) {}
                }
    
                try {
                  bytesRead = fs.readSync(fd, buf, 0, BUFSIZE, null);
                } catch(e) {
                  // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes,
                  // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0.
                  if (e.toString().indexOf('EOF') != -1) bytesRead = 0;
                  else throw e;
                }
    
                if (usingDevice) { fs.closeSync(fd); }
                if (bytesRead > 0) {
                  result = buf.slice(0, bytesRead).toString('utf-8');
                } else {
                  result = null;
                }
    
              } else if (typeof window != 'undefined' &&
                typeof window.prompt == 'function') {
                // Browser.
                result = window.prompt('Input: ');  // returns null on cancel
                if (result !== null) {
                  result += '\n';
                }
              } else if (typeof readline == 'function') {
                // Command line.
                result = readline();
                if (result !== null) {
                  result += '\n';
                }
              }
              if (!result) {
                return null;
              }
              tty.input = intArrayFromString(result, true);
            }
            return tty.input.shift();
          },put_char:function (tty, val) {
            if (val === null || val === 10) {
              out(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            } else {
              if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
            }
          },flush:function (tty) {
            if (tty.output && tty.output.length > 0) {
              out(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            }
          }},default_tty1_ops:{put_char:function (tty, val) {
            if (val === null || val === 10) {
              err(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            } else {
              if (val != 0) tty.output.push(val);
            }
          },flush:function (tty) {
            if (tty.output && tty.output.length > 0) {
              err(UTF8ArrayToString(tty.output, 0));
              tty.output = [];
            }
          }}};
    
    var MEMFS={ops_table:null,mount:function (mount) {
          return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
        },createNode:function (parent, name, mode, dev) {
          if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
            // no supported
            throw new FS.ErrnoError(ERRNO_CODES.EPERM);
          }
          if (!MEMFS.ops_table) {
            MEMFS.ops_table = {
              dir: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr,
                  lookup: MEMFS.node_ops.lookup,
                  mknod: MEMFS.node_ops.mknod,
                  rename: MEMFS.node_ops.rename,
                  unlink: MEMFS.node_ops.unlink,
                  rmdir: MEMFS.node_ops.rmdir,
                  readdir: MEMFS.node_ops.readdir,
                  symlink: MEMFS.node_ops.symlink
                },
                stream: {
                  llseek: MEMFS.stream_ops.llseek
                }
              },
              file: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr
                },
                stream: {
                  llseek: MEMFS.stream_ops.llseek,
                  read: MEMFS.stream_ops.read,
                  write: MEMFS.stream_ops.write,
                  allocate: MEMFS.stream_ops.allocate,
                  mmap: MEMFS.stream_ops.mmap,
                  msync: MEMFS.stream_ops.msync
                }
              },
              link: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr,
                  readlink: MEMFS.node_ops.readlink
                },
                stream: {}
              },
              chrdev: {
                node: {
                  getattr: MEMFS.node_ops.getattr,
                  setattr: MEMFS.node_ops.setattr
                },
                stream: FS.chrdev_stream_ops
              }
            };
          }
          var node = FS.createNode(parent, name, mode, dev);
          if (FS.isDir(node.mode)) {
            node.node_ops = MEMFS.ops_table.dir.node;
            node.stream_ops = MEMFS.ops_table.dir.stream;
            node.contents = {};
          } else if (FS.isFile(node.mode)) {
            node.node_ops = MEMFS.ops_table.file.node;
            node.stream_ops = MEMFS.ops_table.file.stream;
            node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
            // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
            // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
            // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
            node.contents = null; 
          } else if (FS.isLink(node.mode)) {
            node.node_ops = MEMFS.ops_table.link.node;
            node.stream_ops = MEMFS.ops_table.link.stream;
          } else if (FS.isChrdev(node.mode)) {
            node.node_ops = MEMFS.ops_table.chrdev.node;
            node.stream_ops = MEMFS.ops_table.chrdev.stream;
          }
          node.timestamp = Date.now();
          // add the new node to the parent
          if (parent) {
            parent.contents[name] = node;
          }
          return node;
        },getFileDataAsRegularArray:function (node) {
          if (node.contents && node.contents.subarray) {
            var arr = [];
            for (var i = 0; i < node.usedBytes; ++i) arr.push(node.contents[i]);
            return arr; // Returns a copy of the original data.
          }
          return node.contents; // No-op, the file contents are already in a JS array. Return as-is.
        },getFileDataAsTypedArray:function (node) {
          if (!node.contents) return new Uint8Array;
          if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes.
          return new Uint8Array(node.contents);
        },expandFileStorage:function (node, newCapacity) {
          // If we are asked to expand the size of a file that already exists, revert to using a standard JS array to store the file
          // instead of a typed array. This makes resizing the array more flexible because we can just .push() elements at the back to
          // increase the size.
          if (node.contents && node.contents.subarray && newCapacity > node.contents.length) {
            node.contents = MEMFS.getFileDataAsRegularArray(node);
            node.usedBytes = node.contents.length; // We might be writing to a lazy-loaded file which had overridden this property, so force-reset it.
          }
    
          if (!node.contents || node.contents.subarray) { // Keep using a typed array if creating a new storage, or if old one was a typed array as well.
            var prevCapacity = node.contents ? node.contents.length : 0;
            if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough.
            // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
            // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
            // avoid overshooting the allocation cap by a very large margin.
            var CAPACITY_DOUBLING_MAX = 1024 * 1024;
            newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) | 0);
            if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding.
            var oldContents = node.contents;
            node.contents = new Uint8Array(newCapacity); // Allocate new storage.
            if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage.
            return;
          }
          // Not using a typed array to back the file storage. Use a standard JS array instead.
          if (!node.contents && newCapacity > 0) node.contents = [];
          while (node.contents.length < newCapacity) node.contents.push(0);
        },resizeFileStorage:function (node, newSize) {
          if (node.usedBytes == newSize) return;
          if (newSize == 0) {
            node.contents = null; // Fully decommit when requesting a resize to zero.
            node.usedBytes = 0;
            return;
          }
          if (!node.contents || node.contents.subarray) { // Resize a typed array if that is being used as the backing store.
            var oldContents = node.contents;
            node.contents = new Uint8Array(new ArrayBuffer(newSize)); // Allocate new storage.
            if (oldContents) {
              node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage.
            }
            node.usedBytes = newSize;
            return;
          }
          // Backing with a JS array.
          if (!node.contents) node.contents = [];
          if (node.contents.length > newSize) node.contents.length = newSize;
          else while (node.contents.length < newSize) node.contents.push(0);
          node.usedBytes = newSize;
        },node_ops:{getattr:function (node) {
            var attr = {};
            // device numbers reuse inode numbers.
            attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
            attr.ino = node.id;
            attr.mode = node.mode;
            attr.nlink = 1;
            attr.uid = 0;
            attr.gid = 0;
            attr.rdev = node.rdev;
            if (FS.isDir(node.mode)) {
              attr.size = 4096;
            } else if (FS.isFile(node.mode)) {
              attr.size = node.usedBytes;
            } else if (FS.isLink(node.mode)) {
              attr.size = node.link.length;
            } else {
              attr.size = 0;
            }
            attr.atime = new Date(node.timestamp);
            attr.mtime = new Date(node.timestamp);
            attr.ctime = new Date(node.timestamp);
            // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
            //       but this is not required by the standard.
            attr.blksize = 4096;
            attr.blocks = Math.ceil(attr.size / attr.blksize);
            return attr;
          },setattr:function (node, attr) {
            if (attr.mode !== undefined) {
              node.mode = attr.mode;
            }
            if (attr.timestamp !== undefined) {
              node.timestamp = attr.timestamp;
            }
            if (attr.size !== undefined) {
              MEMFS.resizeFileStorage(node, attr.size);
            }
          },lookup:function (parent, name) {
            throw FS.genericErrors[ERRNO_CODES.ENOENT];
          },mknod:function (parent, name, mode, dev) {
            return MEMFS.createNode(parent, name, mode, dev);
          },rename:function (old_node, new_dir, new_name) {
            // if we're overwriting a directory at new_name, make sure it's empty.
            if (FS.isDir(old_node.mode)) {
              var new_node;
              try {
                new_node = FS.lookupNode(new_dir, new_name);
              } catch (e) {
              }
              if (new_node) {
                for (var i in new_node.contents) {
                  throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
                }
              }
            }
            // do the internal rewiring
            delete old_node.parent.contents[old_node.name];
            old_node.name = new_name;
            new_dir.contents[new_name] = old_node;
            old_node.parent = new_dir;
          },unlink:function (parent, name) {
            delete parent.contents[name];
          },rmdir:function (parent, name) {
            var node = FS.lookupNode(parent, name);
            for (var i in node.contents) {
              throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY);
            }
            delete parent.contents[name];
          },readdir:function (node) {
            var entries = ['.', '..']
            for (var key in node.contents) {
              if (!node.contents.hasOwnProperty(key)) {
                continue;
              }
              entries.push(key);
            }
            return entries;
          },symlink:function (parent, newname, oldpath) {
            var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0);
            node.link = oldpath;
            return node;
          },readlink:function (node) {
            if (!FS.isLink(node.mode)) {
              throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
            }
            return node.link;
          }},stream_ops:{read:function (stream, buffer, offset, length, position) {
            var contents = stream.node.contents;
            if (position >= stream.node.usedBytes) return 0;
            var size = Math.min(stream.node.usedBytes - position, length);
            assert(size >= 0);
            if (size > 8 && contents.subarray) { // non-trivial, and typed array
              buffer.set(contents.subarray(position, position + size), offset);
            } else {
              for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
            }
            return size;
          },write:function (stream, buffer, offset, length, position, canOwn) {
    
            if (!length) return 0;
            var node = stream.node;
            node.timestamp = Date.now();
    
            if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
              if (canOwn) {
                assert(position === 0, 'canOwn must imply no weird position inside the file');
                node.contents = buffer.subarray(offset, offset + length);
                node.usedBytes = length;
                return length;
              } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
                node.contents = new Uint8Array(buffer.subarray(offset, offset + length));
                node.usedBytes = length;
                return length;
              } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
                node.contents.set(buffer.subarray(offset, offset + length), position);
                return length;
              }
            }
    
            // Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
            MEMFS.expandFileStorage(node, position+length);
            if (node.contents.subarray && buffer.subarray) node.contents.set(buffer.subarray(offset, offset + length), position); // Use typed array write if available.
            else {
              for (var i = 0; i < length; i++) {
               node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
              }
            }
            node.usedBytes = Math.max(node.usedBytes, position+length);
            return length;
          },llseek:function (stream, offset, whence) {
            var position = offset;
            if (whence === 1) {  // SEEK_CUR.
              position += stream.position;
            } else if (whence === 2) {  // SEEK_END.
              if (FS.isFile(stream.node.mode)) {
                position += stream.node.usedBytes;
              }
            }
            if (position < 0) {
              throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
            }
            return position;
          },allocate:function (stream, offset, length) {
            MEMFS.expandFileStorage(stream.node, offset + length);
            stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
          },mmap:function (stream, buffer, offset, length, position, prot, flags) {
            if (!FS.isFile(stream.node.mode)) {
              throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
            }
            var ptr;
            var allocated;
            var contents = stream.node.contents;
            // Only make a new copy when MAP_PRIVATE is specified.
            if ( !(flags & 2) &&
                  (contents.buffer === buffer || contents.buffer === buffer.buffer) ) {
              // We can't emulate MAP_SHARED when the file is not backed by the buffer
              // we're mapping to (e.g. the HEAP buffer).
              allocated = false;
              ptr = contents.byteOffset;
            } else {
              // Try to avoid unnecessary slices.
              if (position > 0 || position + length < stream.node.usedBytes) {
                if (contents.subarray) {
                  contents = contents.subarray(position, position + length);
                } else {
                  contents = Array.prototype.slice.call(contents, position, position + length);
                }
              }
              allocated = true;
              ptr = _malloc(length);
              if (!ptr) {
                throw new FS.ErrnoError(ERRNO_CODES.ENOMEM);
              }
              buffer.set(contents, ptr);
            }
            return { ptr: ptr, allocated: allocated };
          },msync:function (stream, buffer, offset, length, mmapFlags) {
            if (!FS.isFile(stream.node.mode)) {
              throw new FS.ErrnoError(ERRNO_CODES.ENODEV);
            }
            if (mmapFlags & 2) {
              // MAP_PRIVATE calls need not to be synced back to underlying fs
              return 0;
            }
    
            var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
            // should we check if bytesWritten and length are the same?
            return 0;
          }}};
    
    var IDBFS={dbs:{},indexedDB:function () {
          if (typeof indexedDB !== 'undefined') return indexedDB;
          var ret = null;
          if (typeof window === 'object') ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
          assert(ret, 'IDBFS used, but indexedDB not supported');
          return ret;
        },DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",mount:function (mount) {
          // reuse all of the core MEMFS functionality
          return MEMFS.mount.apply(null, arguments);
        },syncfs:function (mount, populate, callback) {
          IDBFS.getLocalSet(mount, function(err, local) {
            if (err) return callback(err);
    
            IDBFS.getRemoteSet(mount, function(err, remote) {
              if (err) return callback(err);
    
              var src = populate ? remote : local;
              var dst = populate ? local : remote;
    
              IDBFS.reconcile(src, dst, callback);
            });
          });
        },getDB:function (name, callback) {
          // check the cache first
          var db = IDBFS.dbs[name];
          if (db) {
            return callback(null, db);
          }
    
          var req;
          try {
            req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
          } catch (e) {
            return callback(e);
          }
          if (!req) {
            return callback("Unable to connect to IndexedDB");
          }
          req.onupgradeneeded = function(e) {
            var db = e.target.result;
            var transaction = e.target.transaction;
    
            var fileStore;
    
            if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
              fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
            } else {
              fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
            }
    
            if (!fileStore.indexNames.contains('timestamp')) {
              fileStore.createIndex('timestamp', 'timestamp', { unique: false });
            }
          };
          req.onsuccess = function() {
            db = req.result;
    
            // add to the cache
            IDBFS.dbs[name] = db;
            callback(null, db);
          };
          req.onerror = function(e) {
            callback(this.error);
            e.preventDefault();
          };
        },getLocalSet:function (mount, callback) {
          var entries = {};
    
          function isRealDir(p) {
            return p !== '.' && p !== '..';
          };
          function toAbsolute(root) {
            return function(p) {
              return PATH.join2(root, p);
            }
          };
    
          var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
    
          while (check.length) {
            var path = check.pop();
            var stat;
    
            try {
              stat = FS.stat(path);
            } catch (e) {
              return callback(e);
            }
    
            if (FS.isDir(stat.mode)) {
              check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)));
            }
    
            entries[path] = { timestamp: stat.mtime };
          }
    
          return callback(null, { type: 'local', entries: entries });
        },getRemoteSet:function (mount, callback) {
          var entries = {};
    
          IDBFS.getDB(mount.mountpoint, function(err, db) {
            if (err) return callback(err);
    
            try {
              var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly');
              transaction.onerror = function(e) {
                callback(this.error);
                e.preventDefault();
              };
    
              var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
              var index = store.index('timestamp');
    
              index.openKeyCursor().onsuccess = function(event) {
                var cursor = event.target.result;
    
                if (!cursor) {
                  return callback(null, { type: 'remote', db: db, entries: entries });
                }
    
                entries[cursor.primaryKey] = { timestamp: cursor.key };
    
                cursor.continue();
              };
            } catch (e) {
              return callback(e);
            }
          });
        },loadLocalEntry:function (path, callback) {
          var stat, node;
    
          try {
            var lookup = FS.lookupPath(path);
            node = lookup.node;
            stat = FS.stat(path);
          } catch (e) {
            return callback(e);
          }
    
          if (FS.isDir(stat.mode)) {
            return callback(null, { timestamp: stat.mtime, mode: stat.mode });
          } else if (FS.isFile(stat.mode)) {
            // Performance consideration: storing a normal JavaScript array to a IndexedDB is much slower than storing a typed array.
            // Therefore always convert the file contents to a typed array first before writing the data to IndexedDB.
            node.contents = MEMFS.getFileDataAsTypedArray(node);
            return callback(null, { timestamp: stat.mtime, mode: stat.mode, contents: node.contents });
          } else {
            return callback(new Error('node type not supported'));
          }
        },storeLocalEntry:function (path, entry, callback) {
          try {
            if (FS.isDir(entry.mode)) {
              FS.mkdir(path, entry.mode);
            } else if (FS.isFile(entry.mode)) {
              FS.writeFile(path, entry.contents, { canOwn: true });
            } else {
              return callback(new Error('node type not supported'));
            }
    
            FS.chmod(path, entry.mode);
            FS.utime(path, entry.timestamp, entry.timestamp);
          } catch (e) {
            return callback(e);
          }
    
          callback(null);
        },removeLocalEntry:function (path, callback) {
          try {
            var lookup = FS.lookupPath(path);
            var stat = FS.stat(path);
    
            if (FS.isDir(stat.mode)) {
              FS.rmdir(path);
            } else if (FS.isFile(stat.mode)) {
              FS.unlink(path);
            }
          } catch (e) {
            return callback(e);
          }
    
          callback(null);
        },loadRemoteEntry:function (store, path, callback) {
          var req = store.get(path);
          req.onsuccess = function(event) { callback(null, event.target.result); };
          req.onerror = function(e) {
            callback(this.error);
            e.preventDefault();
          };
        },storeRemoteEntry:function (store, path, entry, callback) {
          var req = store.put(entry, path);
          req.onsuccess = function() { callback(null); };
          req.onerror = function(e) {
            callback(this.error);
            e.preventDefault();
          };
        },removeRemoteEntry:function (store, path, callback) {
          var req = store.delete(path);
          req.onsuccess = function() { callback(null); };
          req.onerror = function(e) {
            callback(this.error);
            e.preventDefault();
          };
        },reconcile:function (src, dst, callback) {
          var total = 0;
    
          var create = [];
          Object.keys(src.entries).forEach(function (key) {
            var e = src.entries[key];
            var e2 = dst.entries[key];
            if (!e2 || e.timestamp > e2.timestamp) {
              create.push(key);
              total++;
            }
          });
    
          var remove = [];
          Object.keys(dst.entries).forEach(function (key) {
            var e = dst.entries[key];
            var e2 = src.entries[key];
            if (!e2) {
              remove.push(key);
              total++;
            }
          });
    
          if (!total) {
            return callback(null);
          }
    
          var errored = false;
          var completed = 0;
          var db = src.type === 'remote' ? src.db : dst.db;
          var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite');
          var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
    
          function done(err) {
            if (err) {
              if (!done.errored) {
                done.errored = true;
                return callback(err);
              }
              return;
            }
            if (++completed >= total) {
              return callback(null);
            }
          };
    
          transaction.onerror = function(e) {
            done(this.error);
            e.preventDefault();
          };
    
          // sort paths in ascending order so directory entries are created
          // before the files inside them
          create.sort().forEach(function (path) {
            if (dst.type === 'local') {
              IDBFS.loadRemoteEntry(store, path, function (err, entry) {
                if (err) return done(err);
                IDBFS.storeLocalEntry(path, entry, done);
              });
            } else {
              IDBFS.loadLocalEntry(path, function (err, entry) {
                if (err) return done(err);
                IDBFS.storeRemoteEntry(store, path, entry, done);
              });
            }
          });
    
          // sort paths in descending order so files are deleted before their
          // parent directories
          remove.sort().reverse().forEach(function(path) {
            if (dst.type === 'local') {
              IDBFS.removeLocalEntry(path, done);
            } else {
              IDBFS.removeRemoteEntry(store, path, done);
            }
          });
        }};
    
    var NODEFS={isWindows:false,staticInit:function () {
          NODEFS.isWindows = !!process.platform.match(/^win/);
          var flags = process["binding"]("constants");
          // Node.js 4 compatibility: it has no namespaces for constants
          if (flags["fs"]) {
            flags = flags["fs"];
          }
          NODEFS.flagsForNodeMap = {
            "1024": flags["O_APPEND"],
            "64": flags["O_CREAT"],
            "128": flags["O_EXCL"],
            "0": flags["O_RDONLY"],
            "2": flags["O_RDWR"],
            "4096": flags["O_SYNC"],
            "512": flags["O_TRUNC"],
            "1": flags["O_WRONLY"]
          };
        },bufferFrom:function (arrayBuffer) {
          // Node.js < 4.5 compatibility: Buffer.from does not support ArrayBuffer
          // Buffer.from before 4.5 was just a method inherited from Uint8Array
          // Buffer.alloc has been added with Buffer.from together, so check it instead
          return Buffer.alloc ? Buffer.from(arrayBuffer) : new Buffer(arrayBuffer);
        },mount:function (mount) {
          assert(ENVIRONMENT_IS_NODE);
          return NODEFS.createNode(null, '/', NODEFS.getMode(mount.opts.root), 0);
        },createNode:function (parent, name, mode, dev) {
          if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
          }
          var node = FS.createNode(parent, name, mode);
          node.node_ops = NODEFS.node_ops;
          node.stream_ops = NODEFS.stream_ops;
          return node;
        },getMode:function (path) {
          var stat;
          try {
            stat = fs.lstatSync(path);
            if (NODEFS.isWindows) {
              // Node.js on Windows never represents permission bit 'x', so
              // propagate read bits to execute bits
              stat.mode = stat.mode | ((stat.mode & 292) >> 2);
            }
          } catch (e) {
            if (!e.code) throw e;
            throw new FS.ErrnoError(ERRNO_CODES[e.code]);
          }
          return stat.mode;
        },realPath:function (node) {
          var parts = [];
          while (node.parent !== node) {
            parts.push(node.name);
            node = node.parent;
          }
          parts.push(node.mount.opts.root);
          parts.reverse();
          return PATH.join.apply(null, parts);
        },flagsForNode:function (flags) {
          flags &= ~0x200000 /*O_PATH*/; // Ignore this flag from musl, otherwise node.js fails to open the file.
          flags &= ~0x800 /*O_NONBLOCK*/; // Ignore this flag from musl, otherwise node.js fails to open the file.
          flags &= ~0x8000 /*O_LARGEFILE*/; // Ignore this flag from musl, otherwise node.js fails to open the file.
          flags &= ~0x80000 /*O_CLOEXEC*/; // Some applications may pass it; it makes no sense for a single process.
          var newFlags = 0;
          for (var k in NODEFS.flagsForNodeMap) {
            if (flags & k) {
              newFlags |= NODEFS.flagsForNodeMap[k];
              flags ^= k;
            }
          }
    
          if (!flags) {
            return newFlags;
          } else {
            throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
          }
        },node_ops:{getattr:function (node) {
            var path = NODEFS.realPath(node);
            var stat;
            try {
              stat = fs.lstatSync(path);
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
            // node.js v0.10.20 doesn't report blksize and blocks on Windows. Fake them with default blksize of 4096.
            // See http://support.microsoft.com/kb/140365
            if (NODEFS.isWindows && !stat.blksize) {
              stat.blksize = 4096;
            }
            if (NODEFS.isWindows && !stat.blocks) {
              stat.blocks = (stat.size+stat.blksize-1)/stat.blksize|0;
            }
            return {
              dev: stat.dev,
              ino: stat.ino,
              mode: stat.mode,
              nlink: stat.nlink,
              uid: stat.uid,
              gid: stat.gid,
              rdev: stat.rdev,
              size: stat.size,
              atime: stat.atime,
              mtime: stat.mtime,
              ctime: stat.ctime,
              blksize: stat.blksize,
              blocks: stat.blocks
            };
          },setattr:function (node, attr) {
            var path = NODEFS.realPath(node);
            try {
              if (attr.mode !== undefined) {
                fs.chmodSync(path, attr.mode);
                // update the common node structure mode as well
                node.mode = attr.mode;
              }
              if (attr.timestamp !== undefined) {
                var date = new Date(attr.timestamp);
                fs.utimesSync(path, date, date);
              }
              if (attr.size !== undefined) {
                fs.truncateSync(path, attr.size);
              }
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },lookup:function (parent, name) {
            var path = PATH.join2(NODEFS.realPath(parent), name);
            var mode = NODEFS.getMode(path);
            return NODEFS.createNode(parent, name, mode);
          },mknod:function (parent, name, mode, dev) {
            var node = NODEFS.createNode(parent, name, mode, dev);
            // create the backing node for this in the fs root as well
            var path = NODEFS.realPath(node);
            try {
              if (FS.isDir(node.mode)) {
                fs.mkdirSync(path, node.mode);
              } else {
                fs.writeFileSync(path, '', { mode: node.mode });
              }
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
            return node;
          },rename:function (oldNode, newDir, newName) {
            var oldPath = NODEFS.realPath(oldNode);
            var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
            try {
              fs.renameSync(oldPath, newPath);
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },unlink:function (parent, name) {
            var path = PATH.join2(NODEFS.realPath(parent), name);
            try {
              fs.unlinkSync(path);
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },rmdir:function (parent, name) {
            var path = PATH.join2(NODEFS.realPath(parent), name);
            try {
              fs.rmdirSync(path);
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },readdir:function (node) {
            var path = NODEFS.realPath(node);
            try {
              return fs.readdirSync(path);
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },symlink:function (parent, newName, oldPath) {
            var newPath = PATH.join2(NODEFS.realPath(parent), newName);
            try {
              fs.symlinkSync(oldPath, newPath);
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },readlink:function (node) {
            var path = NODEFS.realPath(node);
            try {
              path = fs.readlinkSync(path);
              path = NODEJS_PATH.relative(NODEJS_PATH.resolve(node.mount.opts.root), path);
              return path;
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          }},stream_ops:{open:function (stream) {
            var path = NODEFS.realPath(stream.node);
            try {
              if (FS.isFile(stream.node.mode)) {
                stream.nfd = fs.openSync(path, NODEFS.flagsForNode(stream.flags));
              }
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },close:function (stream) {
            try {
              if (FS.isFile(stream.node.mode) && stream.nfd) {
                fs.closeSync(stream.nfd);
              }
            } catch (e) {
              if (!e.code) throw e;
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },read:function (stream, buffer, offset, length, position) {
            // Node.js < 6 compatibility: node errors on 0 length reads
            if (length === 0) return 0;
            try {
              return fs.readSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position);
            } catch (e) {
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },write:function (stream, buffer, offset, length, position) {
            try {
              return fs.writeSync(stream.nfd, NODEFS.bufferFrom(buffer.buffer), offset, length, position);
            } catch (e) {
              throw new FS.ErrnoError(ERRNO_CODES[e.code]);
            }
          },llseek:function (stream, offset, whence) {
            var position = offset;
            if (whence === 1) {  // SEEK_CUR.
              position += stream.position;
            } else if (whence === 2) {  // SEEK_END.
              if (FS.isFile(stream.node.mode)) {
                try {
                  var stat = fs.fstatSync(stream.nfd);
                  position += stat.size;
                } catch (e) {
                  throw new FS.ErrnoError(ERRNO_CODES[e.code]);
                }
              }
            }
    
            if (position < 0) {
              throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
            }
    
            return position;
          }}};
    
    var WORKERFS={DIR_MODE:16895,FILE_MODE:33279,reader:null,mount:function (mount) {
          assert(ENVIRONMENT_IS_WORKER);
          if (!WORKERFS.reader) WORKERFS.reader = new FileReaderSync();
          var root = WORKERFS.createNode(null, '/', WORKERFS.DIR_MODE, 0);
          var createdParents = {};
          function ensureParent(path) {
            // return the parent node, creating subdirs as necessary
            var parts = path.split('/');
            var parent = root;
            for (var i = 0; i < parts.length-1; i++) {
              var curr = parts.slice(0, i+1).join('/');
              // Issue 4254: Using curr as a node name will prevent the node
              // from being found in FS.nameTable when FS.open is called on
              // a path which holds a child of this node,
              // given that all FS functions assume node names
              // are just their corresponding parts within their given path,
              // rather than incremental aggregates which include their parent's
              // directories.
              if (!createdParents[curr]) {
                createdParents[curr] = WORKERFS.createNode(parent, parts[i], WORKERFS.DIR_MODE, 0);
              }
              parent = createdParents[curr];
            }
            return parent;
          }
          function base(path) {
            var parts = path.split('/');
            return parts[parts.length-1];
          }
          // We also accept FileList here, by using Array.prototype
          Array.prototype.forEach.call(mount.opts["files"] || [], function(file) {
            WORKERFS.createNode(ensureParent(file.name), base(file.name), WORKERFS.FILE_MODE, 0, file, file.lastModifiedDate);
          });
          (mount.opts["blobs"] || []).forEach(function(obj) {
            WORKERFS.createNode(ensureParent(obj["name"]), base(obj["name"]), WORKERFS.FILE_MODE, 0, obj["data"]);
          });
          (mount.opts["packages"] || []).forEach(function(pack) {
            pack['metadata'].files.forEach(function(file) {
              var name = file.filename.substr(1); // remove initial slash
              WORKERFS.createNode(ensureParent(name), base(name), WORKERFS.FILE_MODE, 0, pack['blob'].slice(file.start, file.end));
            });
          });
          return root;
        },createNode:function (parent, name, mode, dev, contents, mtime) {
          var node = FS.createNode(parent, name, mode);
          node.mode = mode;
          node.node_ops = WORKERFS.node_ops;
          node.stream_ops = WORKERFS.stream_ops;
          node.timestamp = (mtime || new Date).getTime();
          assert(WORKERFS.FILE_MODE !== WORKERFS.DIR_MODE);
          if (mode === WORKERFS.FILE_MODE) {
            node.size = contents.size;
            node.contents = contents;
          } else {
            node.size = 4096;
            node.contents = {};
          }
          if (parent) {
            parent.contents[name] = node;
          }
          return node;
        },node_ops:{getattr:function (node) {
            return {
              dev: 1,
              ino: undefined,
              mode: node.mode,
              nlink: 1,
              uid: 0,
              gid: 0,
              rdev: undefined,
              size: node.size,
              atime: new Date(node.timestamp),
              mtime: new Date(node.timestamp),
              ctime: new Date(node.timestamp),
              blksize: 4096,
              blocks: Math.ceil(node.size / 4096),
            };
          },setattr:function (node, attr) {
            if (attr.mode !== undefined) {
              node.mode = attr.mode;
            }
            if (attr.timestamp !== undefined) {
              node.timestamp = attr.timestamp;
            }
          },lookup:function (parent, name) {
            throw new FS.ErrnoError(ERRNO_CODES.ENOENT);
          },mknod:function (parent, name, mode, dev) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM);
          },rename:function (oldNode, newDir, newName) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM);
          },unlink:function (parent, name) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM);
          },rmdir:function (parent, name) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM);
          },readdir:function (node) {
            var entries = ['.', '..'];
            for (var key in node.contents) {
              if (!node.contents.hasOwnProperty(key)) {
                continue;
              }
              entries.push(key);
            }
            return entries;
          },symlink:function (parent, newName, oldPath) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM);
          },readlink:function (node) {
            throw new FS.ErrnoError(ERRNO_CODES.EPERM);
          }},stream_ops:{read:function (stream, buffer, offset, length, position) {
            if (position >= stream.node.size) return 0;
            var chunk = stream.node.contents.slice(position, position + length);
            var ab = WORKERFS.reader.readAsArrayBuffer(chunk);
            buffer.set(new Uint8Array(ab), offset);
            return chunk.size;
          },write:function (stream, buffer, offset, length, position) {
            throw new FS.ErrnoError(ERRNO_CODES.EIO);
          },llseek:function (stream, offset, whence) {
            var position = offset;
            if (whence === 1) {  // SEEK_CUR.
              position += stream.position;
            } else if (whence === 2) {  // SEEK_END.
              if (FS.isFile(stream.node.mode)) {
                position += stream.node.size;
              }
            }
            if (position < 0) {
              throw new FS.ErrnoError(ERRNO_CODES.EINVAL);
            }
            return position;
          }}};
    
    var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"File locking deadlock error",36:"File or path name too long",37:"No record locks available",38:"Function not implemented",39:"Directory not empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identifier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",75:"Value too large for defined data type",76:"Given log. name not unique",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can   access a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not available",93:"Unknown protocol",94:"Socket type not supported",95:"Not supported",96:"Protocol family not supported",97:"Address family not supported by protocol family",98:"Address already in use",99:"Address not available",100:"Network interface is not configured",101:"Network is unreachable",102:"Connection reset by network",103:"Connection aborted",104:"Connection reset by peer",105:"No buffer space available",106:"Socket is already connected",107:"Socket is not connected",108:"Can't send after socket shutdown",109:"Too many references",110:"Connection timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachable",114:"Socket already connected",115:"Connection already in progress",116:"Stale file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operation canceled",130:"Previous owner died",131:"State not recoverable"};
    
    var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};
    
    var _stdin=79600;
    
    var _stdout=79616;
    
    var _stderr=79632;var FS={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,trackingDelegate:{},tracking:{openFlags:{READ:1,WRITE:2}},ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,handleFSError:function (e) {
          if (!(e instanceof FS.ErrnoError)) throw e + ' : ' + stackTrace();
          return ___setErrNo(e.errno);
        },lookupPath:function (path, opts) {
          path = PATH.resolve(FS.cwd(), path);
          opts = opts || {};
    
          if (!path) return { path: '', node: null };
    
          var defaults = {
            follow_mount: true,
            recurse_count: 0
          };
          for (var key in defaults) {
            if (opts[key] === undefined) {
              opts[key] = defaults[key];
            }
          }
    
          if (opts.recurse_count > 8) {  // max recursive lookup of 8
            throw new FS.ErrnoError(40);
          }
    
          // split the path
          var parts = PATH.normalizeArray(path.split('/').filter(function(p) {
            return !!p;
          }), false);
    
          // start at the root
          var current = FS.root;
          var current_path = '/';
    
          for (var i = 0; i < parts.length; i++) {
            var islast = (i === parts.length-1);
            if (islast && opts.parent) {
              // stop resolving
              break;
            }
    
            current = FS.lookupNode(current, parts[i]);
            current_path = PATH.join2(current_path, parts[i]);
    
            // jump to the mount's root node if this is a mountpoint
            if (FS.isMountpoint(current)) {
              if (!islast || (islast && opts.follow_mount)) {
                current = current.mounted.root;
              }
            }
    
            // by default, lookupPath will not follow a symlink if it is the final path component.
            // setting opts.follow = true will override this behavior.
            if (!islast || opts.follow) {
              var count = 0;
              while (FS.isLink(current.mode)) {
                var link = FS.readlink(current_path);
                current_path = PATH.resolve(PATH.dirname(current_path), link);
    
                var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count });
                current = lookup.node;
    
                if (count++ > 40) {  // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
                  throw new FS.ErrnoError(40);
                }
              }
            }
          }
    
          return { path: current_path, node: current };
        },getPath:function (node) {
          var path;
          while (true) {
            if (FS.isRoot(node)) {
              var mount = node.mount.mountpoint;
              if (!path) return mount;
              return mount[mount.length-1] !== '/' ? mount + '/' + path : mount + path;
            }
            path = path ? node.name + '/' + path : node.name;
            node = node.parent;
          }
        },hashName:function (parentid, name) {
          var hash = 0;
    
    
          for (var i = 0; i < name.length; i++) {
            hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
          }
          return ((parentid + hash) >>> 0) % FS.nameTable.length;
        },hashAddNode:function (node) {
          var hash = FS.hashName(node.parent.id, node.name);
          node.name_next = FS.nameTable[hash];
          FS.nameTable[hash] = node;
        },hashRemoveNode:function (node) {
          var hash = FS.hashName(node.parent.id, node.name);
          if (FS.nameTable[hash] === node) {
            FS.nameTable[hash] = node.name_next;
          } else {
            var current = FS.nameTable[hash];
            while (current) {
              if (current.name_next === node) {
                current.name_next = node.name_next;
                break;
              }
              current = current.name_next;
            }
          }
        },lookupNode:function (parent, name) {
          var err = FS.mayLookup(parent);
          if (err) {
            throw new FS.ErrnoError(err, parent);
          }
          var hash = FS.hashName(parent.id, name);
          for (var node = FS.nameTable[hash]; node; node = node.name_next) {
            var nodeName = node.name;
            if (node.parent.id === parent.id && nodeName === name) {
              return node;
            }
          }
          // if we failed to find it in the cache, call into the VFS
          return FS.lookup(parent, name);
        },createNode:function (parent, name, mode, rdev) {
          if (!FS.FSNode) {
            FS.FSNode = function(parent, name, mode, rdev) {
              if (!parent) {
                parent = this;  // root node sets parent to itself
              }
              this.parent = parent;
              this.mount = parent.mount;
              this.mounted = null;
              this.id = FS.nextInode++;
              this.name = name;
              this.mode = mode;
              this.node_ops = {};
              this.stream_ops = {};
              this.rdev = rdev;
            };
    
            FS.FSNode.prototype = {};
    
            // compatibility
            var readMode = 292 | 73;
            var writeMode = 146;
    
            // NOTE we must use Object.defineProperties instead of individual calls to
            // Object.defineProperty in order to make closure compiler happy
            Object.defineProperties(FS.FSNode.prototype, {
              read: {
                get: function() { return (this.mode & readMode) === readMode; },
                set: function(val) { val ? this.mode |= readMode : this.mode &= ~readMode; }
              },
              write: {
                get: function() { return (this.mode & writeMode) === writeMode; },
                set: function(val) { val ? this.mode |= writeMode : this.mode &= ~writeMode; }
              },
              isFolder: {
                get: function() { return FS.isDir(this.mode); }
              },
              isDevice: {
                get: function() { return FS.isChrdev(this.mode); }
              }
            });
          }
    
          var node = new FS.FSNode(parent, name, mode, rdev);
    
          FS.hashAddNode(node);
    
          return node;
        },destroyNode:function (node) {
          FS.hashRemoveNode(node);
        },isRoot:function (node) {
          return node === node.parent;
        },isMountpoint:function (node) {
          return !!node.mounted;
        },isFile:function (mode) {
          return (mode & 61440) === 32768;
        },isDir:function (mode) {
          return (mode & 61440) === 16384;
        },isLink:function (mode) {
          return (mode & 61440) === 40960;
        },isChrdev:function (mode) {
          return (mode & 61440) === 8192;
        },isBlkdev:function (mode) {
          return (mode & 61440) === 24576;
        },isFIFO:function (mode) {
          return (mode & 61440) === 4096;
        },isSocket:function (mode) {
          return (mode & 49152) === 49152;
        },flagModes:{"r":0,"rs":1052672,"r+":2,"w":577,"wx":705,"xw":705,"w+":578,"wx+":706,"xw+":706,"a":1089,"ax":1217,"xa":1217,"a+":1090,"ax+":1218,"xa+":1218},modeStringToFlags:function (str) {
          var flags = FS.flagModes[str];
          if (typeof flags === 'undefined') {
            throw new Error('Unknown file open mode: ' + str);
          }
          return flags;
        },flagsToPermissionString:function (flag) {
          var perms = ['r', 'w', 'rw'][flag & 3];
          if ((flag & 512)) {
            perms += 'w';
          }
          return perms;
        },nodePermissions:function (node, perms) {
          if (FS.ignorePermissions) {
            return 0;
          }
          // return 0 if any user, group or owner bits are set.
          if (perms.indexOf('r') !== -1 && !(node.mode & 292)) {
            return 13;
          } else if (perms.indexOf('w') !== -1 && !(node.mode & 146)) {
            return 13;
          } else if (perms.indexOf('x') !== -1 && !(node.mode & 73)) {
            return 13;
          }
          return 0;
        },mayLookup:function (dir) {
          var err = FS.nodePermissions(dir, 'x');
          if (err) return err;
          if (!dir.node_ops.lookup) return 13;
          return 0;
        },mayCreate:function (dir, name) {
          try {
            var node = FS.lookupNode(dir, name);
            return 17;
          } catch (e) {
          }
          return FS.nodePermissions(dir, 'wx');
        },mayDelete:function (dir, name, isdir) {
          var node;
          try {
            node = FS.lookupNode(dir, name);
          } catch (e) {
            return e.errno;
          }
          var err = FS.nodePermissions(dir, 'wx');
          if (err) {
            return err;
          }
          if (isdir) {
            if (!FS.isDir(node.mode)) {
              return 20;
            }
            if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
              return 16;
            }
          } else {
            if (FS.isDir(node.mode)) {
              return 21;
            }
          }
          return 0;
        },mayOpen:function (node, flags) {
          if (!node) {
            return 2;
          }
          if (FS.isLink(node.mode)) {
            return 40;
          } else if (FS.isDir(node.mode)) {
            if (FS.flagsToPermissionString(flags) !== 'r' || // opening for write
                (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only)
              return 21;
            }
          }
          return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
        },MAX_OPEN_FDS:4096,nextfd:function (fd_start, fd_end) {
          fd_start = fd_start || 0;
          fd_end = fd_end || FS.MAX_OPEN_FDS;
          for (var fd = fd_start; fd <= fd_end; fd++) {
            if (!FS.streams[fd]) {
              return fd;
            }
          }
          throw new FS.ErrnoError(24);
        },getStream:function (fd) {
          return FS.streams[fd];
        },createStream:function (stream, fd_start, fd_end) {
          if (!FS.FSStream) {
            FS.FSStream = function(){};
            FS.FSStream.prototype = {};
            // compatibility
            Object.defineProperties(FS.FSStream.prototype, {
              object: {
                get: function() { return this.node; },
                set: function(val) { this.node = val; }
              },
              isRead: {
                get: function() { return (this.flags & 2097155) !== 1; }
              },
              isWrite: {
                get: function() { return (this.flags & 2097155) !== 0; }
              },
              isAppend: {
                get: function() { return (this.flags & 1024); }
              }
            });
          }
          // clone it, so we can return an instance of FSStream
          var newStream = new FS.FSStream();
          for (var p in stream) {
            newStream[p] = stream[p];
          }
          stream = newStream;
          var fd = FS.nextfd(fd_start, fd_end);
          stream.fd = fd;
          FS.streams[fd] = stream;
          return stream;
        },closeStream:function (fd) {
          FS.streams[fd] = null;
        },chrdev_stream_ops:{open:function (stream) {
            var device = FS.getDevice(stream.node.rdev);
            // override node's stream ops with the device's
            stream.stream_ops = device.stream_ops;
            // forward the open call
            if (stream.stream_ops.open) {
              stream.stream_ops.open(stream);
            }
          },llseek:function () {
            throw new FS.ErrnoError(29);
          }},major:function (dev) {
          return ((dev) >> 8);
        },minor:function (dev) {
          return ((dev) & 0xff);
        },makedev:function (ma, mi) {
          return ((ma) << 8 | (mi));
        },registerDevice:function (dev, ops) {
          FS.devices[dev] = { stream_ops: ops };
        },getDevice:function (dev) {
          return FS.devices[dev];
        },getMounts:function (mount) {
          var mounts = [];
          var check = [mount];
    
          while (check.length) {
            var m = check.pop();
    
            mounts.push(m);
    
            check.push.apply(check, m.mounts);
          }
    
          return mounts;
        },syncfs:function (populate, callback) {
          if (typeof(populate) === 'function') {
            callback = populate;
            populate = false;
          }
    
          FS.syncFSRequests++;
    
          if (FS.syncFSRequests > 1) {
            console.log('warning: ' + FS.syncFSRequests + ' FS.syncfs operations in flight at once, probably just doing extra work');
          }
    
          var mounts = FS.getMounts(FS.root.mount);
          var completed = 0;
    
          function doCallback(err) {
            assert(FS.syncFSRequests > 0);
            FS.syncFSRequests--;
            return callback(err);
          }
    
          function done(err) {
            if (err) {
              if (!done.errored) {
                done.errored = true;
                return doCallback(err);
              }
              return;
            }
            if (++completed >= mounts.length) {
              doCallback(null);
            }
          };
    
          // sync all mounts
          mounts.forEach(function (mount) {
            if (!mount.type.syncfs) {
              return done(null);
            }
            mount.type.syncfs(mount, populate, done);
          });
        },mount:function (type, opts, mountpoint) {
          var root = mountpoint === '/';
          var pseudo = !mountpoint;
          var node;
    
          if (root && FS.root) {
            throw new FS.ErrnoError(16);
          } else if (!root && !pseudo) {
            var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
    
            mountpoint = lookup.path;  // use the absolute path
            node = lookup.node;
    
            if (FS.isMountpoint(node)) {
              throw new FS.ErrnoError(16);
            }
    
            if (!FS.isDir(node.mode)) {
              throw new FS.ErrnoError(20);
            }
          }
    
          var mount = {
            type: type,
            opts: opts,
            mountpoint: mountpoint,
            mounts: []
          };
    
          // create a root node for the fs
          var mountRoot = type.mount(mount);
          mountRoot.mount = mount;
          mount.root = mountRoot;
    
          if (root) {
            FS.root = mountRoot;
          } else if (node) {
            // set as a mountpoint
            node.mounted = mount;
    
            // add the new mount to the current mount's children
            if (node.mount) {
              node.mount.mounts.push(mount);
            }
          }
    
          return mountRoot;
        },unmount:function (mountpoint) {
          var lookup = FS.lookupPath(mountpoint, { follow_mount: false });
    
          if (!FS.isMountpoint(lookup.node)) {
            throw new FS.ErrnoError(22);
          }
    
          // destroy the nodes for this mount, and all its child mounts
          var node = lookup.node;
          var mount = node.mounted;
          var mounts = FS.getMounts(mount);
    
          Object.keys(FS.nameTable).forEach(function (hash) {
            var current = FS.nameTable[hash];
    
            while (current) {
              var next = current.name_next;
    
              if (mounts.indexOf(current.mount) !== -1) {
                FS.destroyNode(current);
              }
    
              current = next;
            }
          });
    
          // no longer a mountpoint
          node.mounted = null;
    
          // remove this mount from the child mounts
          var idx = node.mount.mounts.indexOf(mount);
          assert(idx !== -1);
          node.mount.mounts.splice(idx, 1);
        },lookup:function (parent, name) {
          return parent.node_ops.lookup(parent, name);
        },mknod:function (path, mode, dev) {
          var lookup = FS.lookupPath(path, { parent: true });
          var parent = lookup.node;
          var name = PATH.basename(path);
          if (!name || name === '.' || name === '..') {
            throw new FS.ErrnoError(22);
          }
          var err = FS.mayCreate(parent, name);
          if (err) {
            throw new FS.ErrnoError(err);
          }
          if (!parent.node_ops.mknod) {
            throw new FS.ErrnoError(1);
          }
          return parent.node_ops.mknod(parent, name, mode, dev);
        },create:function (path, mode) {
          mode = mode !== undefined ? mode : 438 /* 0666 */;
          mode &= 4095;
          mode |= 32768;
          return FS.mknod(path, mode, 0);
        },mkdir:function (path, mode) {
          mode = mode !== undefined ? mode : 511 /* 0777 */;
          mode &= 511 | 512;
          mode |= 16384;
          return FS.mknod(path, mode, 0);
        },mkdirTree:function (path, mode) {
          var dirs = path.split('/');
          var d = '';
          for (var i = 0; i < dirs.length; ++i) {
            if (!dirs[i]) continue;
            d += '/' + dirs[i];
            try {
              FS.mkdir(d, mode);
            } catch(e) {
              if (e.errno != 17) throw e;
            }
          }
        },mkdev:function (path, mode, dev) {
          if (typeof(dev) === 'undefined') {
            dev = mode;
            mode = 438 /* 0666 */;
          }
          mode |= 8192;
          return FS.mknod(path, mode, dev);
        },symlink:function (oldpath, newpath) {
          if (!PATH.resolve(oldpath)) {
            throw new FS.ErrnoError(2);
          }
          var lookup = FS.lookupPath(newpath, { parent: true });
          var parent = lookup.node;
          if (!parent) {
            throw new FS.ErrnoError(2);
          }
          var newname = PATH.basename(newpath);
          var err = FS.mayCreate(parent, newname);
          if (err) {
            throw new FS.ErrnoError(err);
          }
          if (!parent.node_ops.symlink) {
            throw new FS.ErrnoError(1);
          }
          return parent.node_ops.symlink(parent, newname, oldpath);
        },rename:function (old_path, new_path) {
          var old_dirname = PATH.dirname(old_path);
          var new_dirname = PATH.dirname(new_path);
          var old_name = PATH.basename(old_path);
          var new_name = PATH.basename(new_path);
          // parents must exist
          var lookup, old_dir, new_dir;
          try {
            lookup = FS.lookupPath(old_path, { parent: true });
            old_dir = lookup.node;
            lookup = FS.lookupPath(new_path, { parent: true });
            new_dir = lookup.node;
          } catch (e) {
            throw new FS.ErrnoError(16);
          }
          if (!old_dir || !new_dir) throw new FS.ErrnoError(2);
          // need to be part of the same mount
          if (old_dir.mount !== new_dir.mount) {
            throw new FS.ErrnoError(18);
          }
          // source must exist
          var old_node = FS.lookupNode(old_dir, old_name);
          // old path should not be an ancestor of the new path
          var relative = PATH.relative(old_path, new_dirname);
          if (relative.charAt(0) !== '.') {
            throw new FS.ErrnoError(22);
          }
          // new path should not be an ancestor of the old path
          relative = PATH.relative(new_path, old_dirname);
          if (relative.charAt(0) !== '.') {
            throw new FS.ErrnoError(39);
          }
          // see if the new path already exists
          var new_node;
          try {
            new_node = FS.lookupNode(new_dir, new_name);
          } catch (e) {
            // not fatal
          }
          // early out if nothing needs to change
          if (old_node === new_node) {
            return;
          }
          // we'll need to delete the old entry
          var isdir = FS.isDir(old_node.mode);
          var err = FS.mayDelete(old_dir, old_name, isdir);
          if (err) {
            throw new FS.ErrnoError(err);
          }
          // need delete permissions if we'll be overwriting.
          // need create permissions if new doesn't already exist.
          err = new_node ?
            FS.mayDelete(new_dir, new_name, isdir) :
            FS.mayCreate(new_dir, new_name);
          if (err) {
            throw new FS.ErrnoError(err);
          }
          if (!old_dir.node_ops.rename) {
            throw new FS.ErrnoError(1);
          }
          if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
            throw new FS.ErrnoError(16);
          }
          // if we are going to change the parent, check write permissions
          if (new_dir !== old_dir) {
            err = FS.nodePermissions(old_dir, 'w');
            if (err) {
              throw new FS.ErrnoError(err);
            }
          }
          try {
            if (FS.trackingDelegate['willMovePath']) {
              FS.trackingDelegate['willMovePath'](old_path, new_path);
            }
          } catch(e) {
            console.log("FS.trackingDelegate['willMovePath']('"+old_path+"', '"+new_path+"') threw an exception: " + e.message);
          }
          // remove the node from the lookup hash
          FS.hashRemoveNode(old_node);
          // do the underlying fs rename
          try {
            old_dir.node_ops.rename(old_node, new_dir, new_name);
          } catch (e) {
            throw e;
          } finally {
            // add the node back to the hash (in case node_ops.rename
            // changed its name)
            FS.hashAddNode(old_node);
          }
          try {
            if (FS.trackingDelegate['onMovePath']) FS.trackingDelegate['onMovePath'](old_path, new_path);
          } catch(e) {
            console.log("FS.trackingDelegate['onMovePath']('"+old_path+"', '"+new_path+"') threw an exception: " + e.message);
          }
        },rmdir:function (path) {
          var lookup = FS.lookupPath(path, { parent: true });
          var parent = lookup.node;
          var name = PATH.basename(path);
          var node = FS.lookupNode(parent, name);
          var err = FS.mayDelete(parent, name, true);
          if (err) {
            throw new FS.ErrnoError(err);
          }
          if (!parent.node_ops.rmdir) {
            throw new FS.ErrnoError(1);
          }
          if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(16);
          }
          try {
            if (FS.trackingDelegate['willDeletePath']) {
              FS.trackingDelegate['willDeletePath'](path);
            }
          } catch(e) {
            console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: " + e.message);
          }
          parent.node_ops.rmdir(parent, name);
          FS.destroyNode(node);
          try {
            if (FS.trackingDelegate['onDeletePath']) FS.trackingDelegate['onDeletePath'](path);
          } catch(e) {
            console.log("FS.trackingDelegate['onDeletePath']('"+path+"') threw an exception: " + e.message);
          }
        },readdir:function (path) {
          var lookup = FS.lookupPath(path, { follow: true });
          var node = lookup.node;
          if (!node.node_ops.readdir) {
            throw new FS.ErrnoError(20);
          }
          return node.node_ops.readdir(node);
        },unlink:function (path) {
          var lookup = FS.lookupPath(path, { parent: true });
          var parent = lookup.node;
          var name = PATH.basename(path);
          var node = FS.lookupNode(parent, name);
          var err = FS.mayDelete(parent, name, false);
          if (err) {
            // According to POSIX, we should map EISDIR to EPERM, but
            // we instead do what Linux does (and we must, as we use
            // the musl linux libc).
            throw new FS.ErrnoError(err);
          }
          if (!parent.node_ops.unlink) {
            throw new FS.ErrnoError(1);
          }
          if (FS.isMountpoint(node)) {
            throw new FS.ErrnoError(16);
          }
          try {
            if (FS.trackingDelegate['willDeletePath']) {
              FS.trackingDelegate['willDeletePath'](path);
            }
          } catch(e) {
            console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: " + e.message);
          }
          parent.node_ops.unlink(parent, name);
          FS.destroyNode(node);
          try {
            if (FS.trackingDelegate['onDeletePath']) FS.trackingDelegate['onDeletePath'](path);
          } catch(e) {
            console.log("FS.trackingDelegate['onDeletePath']('"+path+"') threw an exception: " + e.message);
          }
        },readlink:function (path) {
          var lookup = FS.lookupPath(path);
          var link = lookup.node;
          if (!link) {
            throw new FS.ErrnoError(2);
          }
          if (!link.node_ops.readlink) {
            throw new FS.ErrnoError(22);
          }
          return PATH.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
        },stat:function (path, dontFollow) {
          var lookup = FS.lookupPath(path, { follow: !dontFollow });
          var node = lookup.node;
          if (!node) {
            throw new FS.ErrnoError(2);
          }
          if (!node.node_ops.getattr) {
            throw new FS.ErrnoError(1);
          }
          return node.node_ops.getattr(node);
        },lstat:function (path) {
          return FS.stat(path, true);
        },chmod:function (path, mode, dontFollow) {
          var node;
          if (typeof path === 'string') {
            var lookup = FS.lookupPath(path, { follow: !dontFollow });
            node = lookup.node;
          } else {
            node = path;
          }
          if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(1);
          }
          node.node_ops.setattr(node, {
            mode: (mode & 4095) | (node.mode & ~4095),
            timestamp: Date.now()
          });
        },lchmod:function (path, mode) {
          FS.chmod(path, mode, true);
        },fchmod:function (fd, mode) {
          var stream = FS.getStream(fd);
          if (!stream) {
            throw new FS.ErrnoError(9);
          }
          FS.chmod(stream.node, mode);
        },chown:function (path, uid, gid, dontFollow) {
          var node;
          if (typeof path === 'string') {
            var lookup = FS.lookupPath(path, { follow: !dontFollow });
            node = lookup.node;
          } else {
            node = path;
          }
          if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(1);
          }
          node.node_ops.setattr(node, {
            timestamp: Date.now()
            // we ignore the uid / gid for now
          });
        },lchown:function (path, uid, gid) {
          FS.chown(path, uid, gid, true);
        },fchown:function (fd, uid, gid) {
          var stream = FS.getStream(fd);
          if (!stream) {
            throw new FS.ErrnoError(9);
          }
          FS.chown(stream.node, uid, gid);
        },truncate:function (path, len) {
          if (len < 0) {
            throw new FS.ErrnoError(22);
          }
          var node;
          if (typeof path === 'string') {
            var lookup = FS.lookupPath(path, { follow: true });
            node = lookup.node;
          } else {
            node = path;
          }
          if (!node.node_ops.setattr) {
            throw new FS.ErrnoError(1);
          }
          if (FS.isDir(node.mode)) {
            throw new FS.ErrnoError(21);
          }
          if (!FS.isFile(node.mode)) {
            throw new FS.ErrnoError(22);
          }
          var err = FS.nodePermissions(node, 'w');
          if (err) {
            throw new FS.ErrnoError(err);
          }
          node.node_ops.setattr(node, {
            size: len,
            timestamp: Date.now()
          });
        },ftruncate:function (fd, len) {
          var stream = FS.getStream(fd);
          if (!stream) {
            throw new FS.ErrnoError(9);
          }
          if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(22);
          }
          FS.truncate(stream.node, len);
        },utime:function (path, atime, mtime) {
          var lookup = FS.lookupPath(path, { follow: true });
          var node = lookup.node;
          node.node_ops.setattr(node, {
            timestamp: Math.max(atime, mtime)
          });
        },open:function (path, flags, mode, fd_start, fd_end) {
          if (path === "") {
            throw new FS.ErrnoError(2);
          }
          flags = typeof flags === 'string' ? FS.modeStringToFlags(flags) : flags;
          mode = typeof mode === 'undefined' ? 438 /* 0666 */ : mode;
          if ((flags & 64)) {
            mode = (mode & 4095) | 32768;
          } else {
            mode = 0;
          }
          var node;
          if (typeof path === 'object') {
            node = path;
          } else {
            path = PATH.normalize(path);
            try {
              var lookup = FS.lookupPath(path, {
                follow: !(flags & 131072)
              });
              node = lookup.node;
            } catch (e) {
              // ignore
            }
          }
          // perhaps we need to create the node
          var created = false;
          if ((flags & 64)) {
            if (node) {
              // if O_CREAT and O_EXCL are set, error out if the node already exists
              if ((flags & 128)) {
                throw new FS.ErrnoError(17);
              }
            } else {
              // node doesn't exist, try to create it
              node = FS.mknod(path, mode, 0);
              created = true;
            }
          }
          if (!node) {
            throw new FS.ErrnoError(2);
          }
          // can't truncate a device
          if (FS.isChrdev(node.mode)) {
            flags &= ~512;
          }
          // if asked only for a directory, then this must be one
          if ((flags & 65536) && !FS.isDir(node.mode)) {
            throw new FS.ErrnoError(20);
          }
          // check permissions, if this is not a file we just created now (it is ok to
          // create and write to a file with read-only permissions; it is read-only
          // for later use)
          if (!created) {
            var err = FS.mayOpen(node, flags);
            if (err) {
              throw new FS.ErrnoError(err);
            }
          }
          // do truncation if necessary
          if ((flags & 512)) {
            FS.truncate(node, 0);
          }
          // we've already handled these, don't pass down to the underlying vfs
          flags &= ~(128 | 512);
    
          // register the stream with the filesystem
          var stream = FS.createStream({
            node: node,
            path: FS.getPath(node),  // we want the absolute path to the node
            flags: flags,
            seekable: true,
            position: 0,
            stream_ops: node.stream_ops,
            // used by the file family libc calls (fopen, fwrite, ferror, etc.)
            ungotten: [],
            error: false
          }, fd_start, fd_end);
          // call the new stream's open function
          if (stream.stream_ops.open) {
            stream.stream_ops.open(stream);
          }
          if (Module['logReadFiles'] && !(flags & 1)) {
            if (!FS.readFiles) FS.readFiles = {};
            if (!(path in FS.readFiles)) {
              FS.readFiles[path] = 1;
              console.log("FS.trackingDelegate error on read file: " + path);
            }
          }
          try {
            if (FS.trackingDelegate['onOpenFile']) {
              var trackingFlags = 0;
              if ((flags & 2097155) !== 1) {
                trackingFlags |= FS.tracking.openFlags.READ;
              }
              if ((flags & 2097155) !== 0) {
                trackingFlags |= FS.tracking.openFlags.WRITE;
              }
              FS.trackingDelegate['onOpenFile'](path, trackingFlags);
            }
          } catch(e) {
            console.log("FS.trackingDelegate['onOpenFile']('"+path+"', flags) threw an exception: " + e.message);
          }
          return stream;
        },close:function (stream) {
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(9);
          }
          if (stream.getdents) stream.getdents = null; // free readdir state
          try {
            if (stream.stream_ops.close) {
              stream.stream_ops.close(stream);
            }
          } catch (e) {
            throw e;
          } finally {
            FS.closeStream(stream.fd);
          }
          stream.fd = null;
        },isClosed:function (stream) {
          return stream.fd === null;
        },llseek:function (stream, offset, whence) {
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(9);
          }
          if (!stream.seekable || !stream.stream_ops.llseek) {
            throw new FS.ErrnoError(29);
          }
          stream.position = stream.stream_ops.llseek(stream, offset, whence);
          stream.ungotten = [];
          return stream.position;
        },read:function (stream, buffer, offset, length, position) {
          if (length < 0 || position < 0) {
            throw new FS.ErrnoError(22);
          }
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(9);
          }
          if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(9);
          }
          if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(21);
          }
          if (!stream.stream_ops.read) {
            throw new FS.ErrnoError(22);
          }
          var seeking = typeof position !== 'undefined';
          if (!seeking) {
            position = stream.position;
          } else if (!stream.seekable) {
            throw new FS.ErrnoError(29);
          }
          var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
          if (!seeking) stream.position += bytesRead;
          return bytesRead;
        },write:function (stream, buffer, offset, length, position, canOwn) {
          if (length < 0 || position < 0) {
            throw new FS.ErrnoError(22);
          }
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(9);
          }
          if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(9);
          }
          if (FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(21);
          }
          if (!stream.stream_ops.write) {
            throw new FS.ErrnoError(22);
          }
          if (stream.flags & 1024) {
            // seek to the end before writing in append mode
            FS.llseek(stream, 0, 2);
          }
          var seeking = typeof position !== 'undefined';
          if (!seeking) {
            position = stream.position;
          } else if (!stream.seekable) {
            throw new FS.ErrnoError(29);
          }
          var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
          if (!seeking) stream.position += bytesWritten;
          try {
            if (stream.path && FS.trackingDelegate['onWriteToFile']) FS.trackingDelegate['onWriteToFile'](stream.path);
          } catch(e) {
            console.log("FS.trackingDelegate['onWriteToFile']('"+path+"') threw an exception: " + e.message);
          }
          return bytesWritten;
        },allocate:function (stream, offset, length) {
          if (FS.isClosed(stream)) {
            throw new FS.ErrnoError(9);
          }
          if (offset < 0 || length <= 0) {
            throw new FS.ErrnoError(22);
          }
          if ((stream.flags & 2097155) === 0) {
            throw new FS.ErrnoError(9);
          }
          if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
            throw new FS.ErrnoError(19);
          }
          if (!stream.stream_ops.allocate) {
            throw new FS.ErrnoError(95);
          }
          stream.stream_ops.allocate(stream, offset, length);
        },mmap:function (stream, buffer, offset, length, position, prot, flags) {
          // TODO if PROT is PROT_WRITE, make sure we have write access
          if ((stream.flags & 2097155) === 1) {
            throw new FS.ErrnoError(13);
          }
          if (!stream.stream_ops.mmap) {
            throw new FS.ErrnoError(19);
          }
          return stream.stream_ops.mmap(stream, buffer, offset, length, position, prot, flags);
        },msync:function (stream, buffer, offset, length, mmapFlags) {
          if (!stream || !stream.stream_ops.msync) {
            return 0;
          }
          return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
        },munmap:function (stream) {
          return 0;
        },ioctl:function (stream, cmd, arg) {
          if (!stream.stream_ops.ioctl) {
            throw new FS.ErrnoError(25);
          }
          return stream.stream_ops.ioctl(stream, cmd, arg);
        },readFile:function (path, opts) {
          opts = opts || {};
          opts.flags = opts.flags || 'r';
          opts.encoding = opts.encoding || 'binary';
          if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
            throw new Error('Invalid encoding type "' + opts.encoding + '"');
          }
          var ret;
          var stream = FS.open(path, opts.flags);
          var stat = FS.stat(path);
          var length = stat.size;
          var buf = new Uint8Array(length);
          FS.read(stream, buf, 0, length, 0);
          if (opts.encoding === 'utf8') {
            ret = UTF8ArrayToString(buf, 0);
          } else if (opts.encoding === 'binary') {
            ret = buf;
          }
          FS.close(stream);
          return ret;
        },writeFile:function (path, data, opts) {
          opts = opts || {};
          opts.flags = opts.flags || 'w';
          var stream = FS.open(path, opts.flags, opts.mode);
          if (typeof data === 'string') {
            var buf = new Uint8Array(lengthBytesUTF8(data)+1);
            var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
            FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
          } else if (ArrayBuffer.isView(data)) {
            FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
          } else {
            throw new Error('Unsupported data type');
          }
          FS.close(stream);
        },cwd:function () {
          return FS.currentPath;
        },chdir:function (path) {
          var lookup = FS.lookupPath(path, { follow: true });
          if (lookup.node === null) {
            throw new FS.ErrnoError(2);
          }
          if (!FS.isDir(lookup.node.mode)) {
            throw new FS.ErrnoError(20);
          }
          var err = FS.nodePermissions(lookup.node, 'x');
          if (err) {
            throw new FS.ErrnoError(err);
          }
          FS.currentPath = lookup.path;
        },createDefaultDirectories:function () {
          FS.mkdir('/tmp');
          FS.mkdir('/home');
          FS.mkdir('/home/web_user');
        },createDefaultDevices:function () {
          // create /dev
          FS.mkdir('/dev');
          // setup /dev/null
          FS.registerDevice(FS.makedev(1, 3), {
            read: function() { return 0; },
            write: function(stream, buffer, offset, length, pos) { return length; }
          });
          FS.mkdev('/dev/null', FS.makedev(1, 3));
          // setup /dev/tty and /dev/tty1
          // stderr needs to print output using Module['printErr']
          // so we register a second tty just for it.
          TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
          TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
          FS.mkdev('/dev/tty', FS.makedev(5, 0));
          FS.mkdev('/dev/tty1', FS.makedev(6, 0));
          // setup /dev/[u]random
          var random_device;
          if (typeof crypto !== 'undefined') {
            // for modern web browsers
            var randomBuffer = new Uint8Array(1);
            random_device = function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; };
          } else if (ENVIRONMENT_IS_NODE) {
            // for nodejs
            random_device = function() { return require('crypto')['randomBytes'](1)[0]; };
          } else {
            // default for ES5 platforms
            random_device = function() { abort("random_device"); /*Math.random() is not safe for random number generation, so this fallback random_device implementation aborts... see kripken/emscripten/pull/7096 */ };
          }
          FS.createDevice('/dev', 'random', random_device);
          FS.createDevice('/dev', 'urandom', random_device);
          // we're not going to emulate the actual shm device,
          // just create the tmp dirs that reside in it commonly
          FS.mkdir('/dev/shm');
          FS.mkdir('/dev/shm/tmp');
        },createSpecialDirectories:function () {
          // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the name of the stream for fd 6 (see test_unistd_ttyname)
          FS.mkdir('/proc');
          FS.mkdir('/proc/self');
          FS.mkdir('/proc/self/fd');
          FS.mount({
            mount: function() {
              var node = FS.createNode('/proc/self', 'fd', 16384 | 511 /* 0777 */, 73);
              node.node_ops = {
                lookup: function(parent, name) {
                  var fd = +name;
                  var stream = FS.getStream(fd);
                  if (!stream) throw new FS.ErrnoError(9);
                  var ret = {
                    parent: null,
                    mount: { mountpoint: 'fake' },
                    node_ops: { readlink: function() { return stream.path } }
                  };
                  ret.parent = ret; // make it look like a simple root node
                  return ret;
                }
              };
              return node;
            }
          }, {}, '/proc/self/fd');
        },createStandardStreams:function () {
          // TODO deprecate the old functionality of a single
          // input / output callback and that utilizes FS.createDevice
          // and instead require a unique set of stream ops
    
          // by default, we symlink the standard streams to the
          // default tty devices. however, if the standard streams
          // have been overwritten we create a unique device for
          // them instead.
          if (Module['stdin']) {
            FS.createDevice('/dev', 'stdin', Module['stdin']);
          } else {
            FS.symlink('/dev/tty', '/dev/stdin');
          }
          if (Module['stdout']) {
            FS.createDevice('/dev', 'stdout', null, Module['stdout']);
          } else {
            FS.symlink('/dev/tty', '/dev/stdout');
          }
          if (Module['stderr']) {
            FS.createDevice('/dev', 'stderr', null, Module['stderr']);
          } else {
            FS.symlink('/dev/tty1', '/dev/stderr');
          }
    
          // open default streams for the stdin, stdout and stderr devices
          var stdin = FS.open('/dev/stdin', 'r');
          assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')');
    
          var stdout = FS.open('/dev/stdout', 'w');
          assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')');
    
          var stderr = FS.open('/dev/stderr', 'w');
          assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')');
        },ensureErrnoError:function () {
          if (FS.ErrnoError) return;
          FS.ErrnoError = function ErrnoError(errno, node) {
            this.node = node;
            this.setErrno = function(errno) {
              this.errno = errno;
              for (var key in ERRNO_CODES) {
                if (ERRNO_CODES[key] === errno) {
                  this.code = key;
                  break;
                }
              }
            };
            this.setErrno(errno);
            this.message = ERRNO_MESSAGES[errno];
            // Node.js compatibility: assigning on this.stack fails on Node 4 (but fixed on Node 8)
            if (this.stack) Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true });
            if (this.stack) this.stack = demangleAll(this.stack);
          };
          FS.ErrnoError.prototype = new Error();
          FS.ErrnoError.prototype.constructor = FS.ErrnoError;
          // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
          [2].forEach(function(code) {
            FS.genericErrors[code] = new FS.ErrnoError(code);
            FS.genericErrors[code].stack = '<generic error, no stack>';
          });
        },staticInit:function () {
          FS.ensureErrnoError();
    
          FS.nameTable = new Array(4096);
    
          FS.mount(MEMFS, {}, '/');
    
          FS.createDefaultDirectories();
          FS.createDefaultDevices();
          FS.createSpecialDirectories();
    
          FS.filesystems = {
            'MEMFS': MEMFS,
            'IDBFS': IDBFS,
            'NODEFS': NODEFS,
            'WORKERFS': WORKERFS,
          };
        },init:function (input, output, error) {
          assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
          FS.init.initialized = true;
    
          FS.ensureErrnoError();
    
          // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
          Module['stdin'] = input || Module['stdin'];
          Module['stdout'] = output || Module['stdout'];
          Module['stderr'] = error || Module['stderr'];
    
          FS.createStandardStreams();
        },quit:function () {
          FS.init.initialized = false;
          // force-flush all streams, so we get musl std streams printed out
          var fflush = Module['_fflush'];
          if (fflush) fflush(0);
          // close all of our streams
          for (var i = 0; i < FS.streams.length; i++) {
            var stream = FS.streams[i];
            if (!stream) {
              continue;
            }
            FS.close(stream);
          }
        },getMode:function (canRead, canWrite) {
          var mode = 0;
          if (canRead) mode |= 292 | 73;
          if (canWrite) mode |= 146;
          return mode;
        },joinPath:function (parts, forceRelative) {
          var path = PATH.join.apply(null, parts);
          if (forceRelative && path[0] == '/') path = path.substr(1);
          return path;
        },absolutePath:function (relative, base) {
          return PATH.resolve(base, relative);
        },standardizePath:function (path) {
          return PATH.normalize(path);
        },findObject:function (path, dontResolveLastLink) {
          var ret = FS.analyzePath(path, dontResolveLastLink);
          if (ret.exists) {
            return ret.object;
          } else {
            ___setErrNo(ret.error);
            return null;
          }
        },analyzePath:function (path, dontResolveLastLink) {
          // operate from within the context of the symlink's target
          try {
            var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
            path = lookup.path;
          } catch (e) {
          }
          var ret = {
            isRoot: false, exists: false, error: 0, name: null, path: null, object: null,
            parentExists: false, parentPath: null, parentObject: null
          };
          try {
            var lookup = FS.lookupPath(path, { parent: true });
            ret.parentExists = true;
            ret.parentPath = lookup.path;
            ret.parentObject = lookup.node;
            ret.name = PATH.basename(path);
            lookup = FS.lookupPath(path, { follow: !dontResolveLastLink });
            ret.exists = true;
            ret.path = lookup.path;
            ret.object = lookup.node;
            ret.name = lookup.node.name;
            ret.isRoot = lookup.path === '/';
          } catch (e) {
            ret.error = e.errno;
          };
          return ret;
        },createFolder:function (parent, name, canRead, canWrite) {
          var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
          var mode = FS.getMode(canRead, canWrite);
          return FS.mkdir(path, mode);
        },createPath:function (parent, path, canRead, canWrite) {
          parent = typeof parent === 'string' ? parent : FS.getPath(parent);
          var parts = path.split('/').reverse();
          while (parts.length) {
            var part = parts.pop();
            if (!part) continue;
            var current = PATH.join2(parent, part);
            try {
              FS.mkdir(current);
            } catch (e) {
              // ignore EEXIST
            }
            parent = current;
          }
          return current;
        },createFile:function (parent, name, properties, canRead, canWrite) {
          var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
          var mode = FS.getMode(canRead, canWrite);
          return FS.create(path, mode);
        },createDataFile:function (parent, name, data, canRead, canWrite, canOwn) {
          var path = name ? PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name) : parent;
          var mode = FS.getMode(canRead, canWrite);
          var node = FS.create(path, mode);
          if (data) {
            if (typeof data === 'string') {
              var arr = new Array(data.length);
              for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
              data = arr;
            }
            // make sure we can write to the file
            FS.chmod(node, mode | 146);
            var stream = FS.open(node, 'w');
            FS.write(stream, data, 0, data.length, 0, canOwn);
            FS.close(stream);
            FS.chmod(node, mode);
          }
          return node;
        },createDevice:function (parent, name, input, output) {
          var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
          var mode = FS.getMode(!!input, !!output);
          if (!FS.createDevice.major) FS.createDevice.major = 64;
          var dev = FS.makedev(FS.createDevice.major++, 0);
          // Create a fake device that a set of stream ops to emulate
          // the old behavior.
          FS.registerDevice(dev, {
            open: function(stream) {
              stream.seekable = false;
            },
            close: function(stream) {
              // flush any pending line data
              if (output && output.buffer && output.buffer.length) {
                output(10);
              }
            },
            read: function(stream, buffer, offset, length, pos /* ignored */) {
              var bytesRead = 0;
              for (var i = 0; i < length; i++) {
                var result;
                try {
                  result = input();
                } catch (e) {
                  throw new FS.ErrnoError(5);
                }
                if (result === undefined && bytesRead === 0) {
                  throw new FS.ErrnoError(11);
                }
                if (result === null || result === undefined) break;
                bytesRead++;
                buffer[offset+i] = result;
              }
              if (bytesRead) {
                stream.node.timestamp = Date.now();
              }
              return bytesRead;
            },
            write: function(stream, buffer, offset, length, pos) {
              for (var i = 0; i < length; i++) {
                try {
                  output(buffer[offset+i]);
                } catch (e) {
                  throw new FS.ErrnoError(5);
                }
              }
              if (length) {
                stream.node.timestamp = Date.now();
              }
              return i;
            }
          });
          return FS.mkdev(path, mode, dev);
        },createLink:function (parent, name, target, canRead, canWrite) {
          var path = PATH.join2(typeof parent === 'string' ? parent : FS.getPath(parent), name);
          return FS.symlink(target, path);
        },forceLoadFile:function (obj) {
          if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
          var success = true;
          if (typeof XMLHttpRequest !== 'undefined') {
            throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
          } else if (Module['read']) {
            // Command-line.
            try {
              // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
              //          read() will try to parse UTF8.
              obj.contents = intArrayFromString(Module['read'](obj.url), true);
              obj.usedBytes = obj.contents.length;
            } catch (e) {
              success = false;
            }
          } else {
            throw new Error('Cannot load without read() or XMLHttpRequest.');
          }
          if (!success) ___setErrNo(5);
          return success;
        },createLazyFile:function (parent, name, url, canRead, canWrite) {
          // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
          function LazyUint8Array() {
            this.lengthKnown = false;
            this.chunks = []; // Loaded chunks. Index is the chunk number
          }
          LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
            if (idx > this.length-1 || idx < 0) {
              return undefined;
            }
            var chunkOffset = idx % this.chunkSize;
            var chunkNum = (idx / this.chunkSize)|0;
            return this.getter(chunkNum)[chunkOffset];
          }
          LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
            this.getter = getter;
          }
          LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
            // Find length
            var xhr = new XMLHttpRequest();
            xhr.open('HEAD', url, false);
            xhr.send(null);
            if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
            var datalength = Number(xhr.getResponseHeader("Content-length"));
            var header;
            var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
            var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
    
            var chunkSize = 1024*1024; // Chunk size in bytes
    
            if (!hasByteServing) chunkSize = datalength;
    
            // Function to get a range from the remote URL.
            var doXHR = (function(from, to) {
              if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
              if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");
    
              // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
              var xhr = new XMLHttpRequest();
              xhr.open('GET', url, false);
              if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
    
              // Some hints to the browser that we want binary data.
              if (typeof Uint8Array != 'undefined') xhr.responseType = 'arraybuffer';
              if (xhr.overrideMimeType) {
                xhr.overrideMimeType('text/plain; charset=x-user-defined');
              }
    
              xhr.send(null);
              if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
              if (xhr.response !== undefined) {
                return new Uint8Array(xhr.response || []);
              } else {
                return intArrayFromString(xhr.responseText || '', true);
              }
            });
            var lazyArray = this;
            lazyArray.setDataGetter(function(chunkNum) {
              var start = chunkNum * chunkSize;
              var end = (chunkNum+1) * chunkSize - 1; // including this byte
              end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
              if (typeof(lazyArray.chunks[chunkNum]) === "undefined") {
                lazyArray.chunks[chunkNum] = doXHR(start, end);
              }
              if (typeof(lazyArray.chunks[chunkNum]) === "undefined") throw new Error("doXHR failed!");
              return lazyArray.chunks[chunkNum];
            });
    
            if (usesGzip || !datalength) {
              // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
              chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file
              datalength = this.getter(0).length;
              chunkSize = datalength;
              console.log("LazyFiles on gzip forces download of the whole file when length is accessed");
            }
    
            this._length = datalength;
            this._chunkSize = chunkSize;
            this.lengthKnown = true;
          }
          if (typeof XMLHttpRequest !== 'undefined') {
            if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
            var lazyArray = new LazyUint8Array();
            Object.defineProperties(lazyArray, {
              length: {
                get: function() {
                  if(!this.lengthKnown) {
                    this.cacheLength();
                  }
                  return this._length;
                }
              },
              chunkSize: {
                get: function() {
                  if(!this.lengthKnown) {
                    this.cacheLength();
                  }
                  return this._chunkSize;
                }
              }
            });
    
            var properties = { isDevice: false, contents: lazyArray };
          } else {
            var properties = { isDevice: false, url: url };
          }
    
          var node = FS.createFile(parent, name, properties, canRead, canWrite);
          // This is a total hack, but I want to get this lazy file code out of the
          // core of MEMFS. If we want to keep this lazy file concept I feel it should
          // be its own thin LAZYFS proxying calls to MEMFS.
          if (properties.contents) {
            node.contents = properties.contents;
          } else if (properties.url) {
            node.contents = null;
            node.url = properties.url;
          }
          // Add a function that defers querying the file size until it is asked the first time.
          Object.defineProperties(node, {
            usedBytes: {
              get: function() { return this.contents.length; }
            }
          });
          // override each stream op with one that tries to force load the lazy file first
          var stream_ops = {};
          var keys = Object.keys(node.stream_ops);
          keys.forEach(function(key) {
            var fn = node.stream_ops[key];
            stream_ops[key] = function forceLoadLazyFile() {
              if (!FS.forceLoadFile(node)) {
                throw new FS.ErrnoError(5);
              }
              return fn.apply(null, arguments);
            };
          });
          // use a custom read function
          stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
            if (!FS.forceLoadFile(node)) {
              throw new FS.ErrnoError(5);
            }
            var contents = stream.node.contents;
            if (position >= contents.length)
              return 0;
            var size = Math.min(contents.length - position, length);
            assert(size >= 0);
            if (contents.slice) { // normal array
              for (var i = 0; i < size; i++) {
                buffer[offset + i] = contents[position + i];
              }
            } else {
              for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR
                buffer[offset + i] = contents.get(position + i);
              }
            }
            return size;
          };
          node.stream_ops = stream_ops;
          return node;
        },createPreloadedFile:function (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
          Browser.init(); // XXX perhaps this method should move onto Browser?
          // TODO we should allow people to just pass in a complete filename instead
          // of parent and name being that we just join them anyways
          var fullname = name ? PATH.resolve(PATH.join2(parent, name)) : parent;
          var dep = getUniqueRunDependency('cp ' + fullname); // might have several active requests for the same fullname
          function processData(byteArray) {
            function finish(byteArray) {
              if (preFinish) preFinish();
              if (!dontCreateFile) {
                FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
              }
              if (onload) onload();
              removeRunDependency(dep);
            }
            var handled = false;
            Module['preloadPlugins'].forEach(function(plugin) {
              if (handled) return;
              if (plugin['canHandle'](fullname)) {
                plugin['handle'](byteArray, fullname, finish, function() {
                  if (onerror) onerror();
                  removeRunDependency(dep);
                });
                handled = true;
              }
            });
            if (!handled) finish(byteArray);
          }
          addRunDependency(dep);
          if (typeof url == 'string') {
            Browser.asyncLoad(url, function(byteArray) {
              processData(byteArray);
            }, onerror);
          } else {
            processData(url);
          }
        },indexedDB:function () {
          return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
        },DB_NAME:function () {
          return 'EM_FS_' + window.location.pathname;
        },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function (paths, onload, onerror) {
          onload = onload || function(){};
          onerror = onerror || function(){};
          var indexedDB = FS.indexedDB();
          try {
            var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
          } catch (e) {
            return onerror(e);
          }
          openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
            console.log('creating db');
            var db = openRequest.result;
            db.createObjectStore(FS.DB_STORE_NAME);
          };
          openRequest.onsuccess = function openRequest_onsuccess() {
            var db = openRequest.result;
            var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite');
            var files = transaction.objectStore(FS.DB_STORE_NAME);
            var ok = 0, fail = 0, total = paths.length;
            function finish() {
              if (fail == 0) onload(); else onerror();
            }
            paths.forEach(function(path) {
              var putRequest = files.put(FS.analyzePath(path).object.contents, path);
              putRequest.onsuccess = function putRequest_onsuccess() { ok++; if (ok + fail == total) finish() };
              putRequest.onerror = function putRequest_onerror() { fail++; if (ok + fail == total) finish() };
            });
            transaction.onerror = onerror;
          };
          openRequest.onerror = onerror;
        },loadFilesFromDB:function (paths, onload, onerror) {
          onload = onload || function(){};
          onerror = onerror || function(){};
          var indexedDB = FS.indexedDB();
          try {
            var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
          } catch (e) {
            return onerror(e);
          }
          openRequest.onupgradeneeded = onerror; // no database to load from
          openRequest.onsuccess = function openRequest_onsuccess() {
            var db = openRequest.result;
            try {
              var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly');
            } catch(e) {
              onerror(e);
              return;
            }
            var files = transaction.objectStore(FS.DB_STORE_NAME);
            var ok = 0, fail = 0, total = paths.length;
            function finish() {
              if (fail == 0) onload(); else onerror();
            }
            paths.forEach(function(path) {
              var getRequest = files.get(path);
              getRequest.onsuccess = function getRequest_onsuccess() {
                if (FS.analyzePath(path).exists) {
                  FS.unlink(path);
                }
                FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
                ok++;
                if (ok + fail == total) finish();
              };
              getRequest.onerror = function getRequest_onerror() { fail++; if (ok + fail == total) finish() };
            });
            transaction.onerror = onerror;
          };
          openRequest.onerror = onerror;
        }};var SYSCALLS={DEFAULT_POLLMASK:5,mappings:{},umask:511,calculateAt:function (dirfd, path) {
          if (path[0] !== '/') {
            // relative path
            var dir;
            if (dirfd === -100) {
              dir = FS.cwd();
            } else {
              var dirstream = FS.getStream(dirfd);
              if (!dirstream) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
              dir = dirstream.path;
            }
            path = PATH.join2(dir, path);
          }
          return path;
        },doStat:function (func, path, buf) {
          try {
            var stat = func(path);
          } catch (e) {
            if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
              // an error occurred while trying to look up the path; we should just report ENOTDIR
              return -ERRNO_CODES.ENOTDIR;
            }
            throw e;
          }
          HEAP32[((buf)>>2)]=stat.dev;
          HEAP32[(((buf)+(4))>>2)]=0;
          HEAP32[(((buf)+(8))>>2)]=stat.ino;
          HEAP32[(((buf)+(12))>>2)]=stat.mode;
          HEAP32[(((buf)+(16))>>2)]=stat.nlink;
          HEAP32[(((buf)+(20))>>2)]=stat.uid;
          HEAP32[(((buf)+(24))>>2)]=stat.gid;
          HEAP32[(((buf)+(28))>>2)]=stat.rdev;
          HEAP32[(((buf)+(32))>>2)]=0;
          HEAP32[(((buf)+(36))>>2)]=stat.size;
          HEAP32[(((buf)+(40))>>2)]=4096;
          HEAP32[(((buf)+(44))>>2)]=stat.blocks;
          HEAP32[(((buf)+(48))>>2)]=(stat.atime.getTime() / 1000)|0;
          HEAP32[(((buf)+(52))>>2)]=0;
          HEAP32[(((buf)+(56))>>2)]=(stat.mtime.getTime() / 1000)|0;
          HEAP32[(((buf)+(60))>>2)]=0;
          HEAP32[(((buf)+(64))>>2)]=(stat.ctime.getTime() / 1000)|0;
          HEAP32[(((buf)+(68))>>2)]=0;
          HEAP32[(((buf)+(72))>>2)]=stat.ino;
          return 0;
        },doMsync:function (addr, stream, len, flags) {
          var buffer = new Uint8Array(HEAPU8.subarray(addr, addr + len));
          FS.msync(stream, buffer, 0, len, flags);
        },doMkdir:function (path, mode) {
          // remove a trailing slash, if one - /a/b/ has basename of '', but
          // we want to create b in the context of this function
          path = PATH.normalize(path);
          if (path[path.length-1] === '/') path = path.substr(0, path.length-1);
          FS.mkdir(path, mode, 0);
          return 0;
        },doMknod:function (path, mode, dev) {
          // we don't want this in the JS API as it uses mknod to create all nodes.
          switch (mode & 61440) {
            case 32768:
            case 8192:
            case 24576:
            case 4096:
            case 49152:
              break;
            default: return -ERRNO_CODES.EINVAL;
          }
          FS.mknod(path, mode, dev);
          return 0;
        },doReadlink:function (path, buf, bufsize) {
          if (bufsize <= 0) return -ERRNO_CODES.EINVAL;
          var ret = FS.readlink(path);
    
          var len = Math.min(bufsize, lengthBytesUTF8(ret));
          var endChar = HEAP8[buf+len];
          stringToUTF8(ret, buf, bufsize+1);
          // readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!)
          // stringToUTF8() always appends a null byte, so restore the character under the null byte after the write.
          HEAP8[buf+len] = endChar;
    
          return len;
        },doAccess:function (path, amode) {
          if (amode & ~7) {
            // need a valid mode
            return -ERRNO_CODES.EINVAL;
          }
          var node;
          var lookup = FS.lookupPath(path, { follow: true });
          node = lookup.node;
          var perms = '';
          if (amode & 4) perms += 'r';
          if (amode & 2) perms += 'w';
          if (amode & 1) perms += 'x';
          if (perms /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) {
            return -ERRNO_CODES.EACCES;
          }
          return 0;
        },doDup:function (path, flags, suggestFD) {
          var suggest = FS.getStream(suggestFD);
          if (suggest) FS.close(suggest);
          return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
        },doReadv:function (stream, iov, iovcnt, offset) {
          var ret = 0;
          for (var i = 0; i < iovcnt; i++) {
            var ptr = HEAP32[(((iov)+(i*8))>>2)];
            var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
            var curr = FS.read(stream, HEAP8,ptr, len, offset);
            if (curr < 0) return -1;
            ret += curr;
            if (curr < len) break; // nothing more to read
          }
          return ret;
        },doWritev:function (stream, iov, iovcnt, offset) {
          var ret = 0;
          for (var i = 0; i < iovcnt; i++) {
            var ptr = HEAP32[(((iov)+(i*8))>>2)];
            var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
            var curr = FS.write(stream, HEAP8,ptr, len, offset);
            if (curr < 0) return -1;
            ret += curr;
          }
          return ret;
        },varargs:0,get:function (varargs) {
          SYSCALLS.varargs += 4;
          var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)];
          return ret;
        },getStr:function () {
          var ret = UTF8ToString(SYSCALLS.get());
          return ret;
        },getStreamFromFD:function () {
          var stream = FS.getStream(SYSCALLS.get());
          if (!stream) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
          return stream;
        },getSocketFromFD:function () {
          var socket = SOCKFS.getSocket(SYSCALLS.get());
          if (!socket) throw new FS.ErrnoError(ERRNO_CODES.EBADF);
          return socket;
        },getSocketAddress:function (allowNull) {
          var addrp = SYSCALLS.get(), addrlen = SYSCALLS.get();
          if (allowNull && addrp === 0) return null;
          var info = __read_sockaddr(addrp, addrlen);
          if (info.errno) throw new FS.ErrnoError(info.errno);
          info.addr = DNS.lookup_addr(info.addr) || info.addr;
          return info;
        },get64:function () {
          var low = SYSCALLS.get(), high = SYSCALLS.get();
          if (low >= 0) assert(high === 0);
          else assert(high === -1);
          return low;
        },getZero:function () {
          assert(SYSCALLS.get() === 0);
        }};function ___syscall140(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // llseek
        var stream = SYSCALLS.getStreamFromFD(), offset_high = SYSCALLS.get(), offset_low = SYSCALLS.get(), result = SYSCALLS.get(), whence = SYSCALLS.get();
        // NOTE: offset_high is unused - Emscripten's off_t is 32-bit
        var offset = offset_low;
        FS.llseek(stream, offset, whence);
        HEAP32[((result)>>2)]=stream.position;
        if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
        return 0;
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall145(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // readv
        var stream = SYSCALLS.getStreamFromFD(), iov = SYSCALLS.get(), iovcnt = SYSCALLS.get();
        return SYSCALLS.doReadv(stream, iov, iovcnt);
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall146(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // writev
        var stream = SYSCALLS.getStreamFromFD(), iov = SYSCALLS.get(), iovcnt = SYSCALLS.get();
        return SYSCALLS.doWritev(stream, iov, iovcnt);
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall221(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // fcntl64
        var stream = SYSCALLS.getStreamFromFD(), cmd = SYSCALLS.get();
        switch (cmd) {
          case 0: {
            var arg = SYSCALLS.get();
            if (arg < 0) {
              return -ERRNO_CODES.EINVAL;
            }
            var newStream;
            newStream = FS.open(stream.path, stream.flags, 0, arg);
            return newStream.fd;
          }
          case 1:
          case 2:
            return 0;  // FD_CLOEXEC makes no sense for a single process.
          case 3:
            return stream.flags;
          case 4: {
            var arg = SYSCALLS.get();
            stream.flags |= arg;
            return 0;
          }
          case 12:
          case 12: {
            var arg = SYSCALLS.get();
            var offset = 0;
            // We're always unlocked.
            HEAP16[(((arg)+(offset))>>1)]=2;
            return 0;
          }
          case 13:
          case 14:
          case 13:
          case 14:
            return 0; // Pretend that the locking is successful.
          case 16:
          case 8:
            return -ERRNO_CODES.EINVAL; // These are for sockets. We don't have them fully implemented yet.
          case 9:
            // musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fnctl() returns that, and we set errno ourselves.
            ___setErrNo(ERRNO_CODES.EINVAL);
            return -1;
          default: {
            return -ERRNO_CODES.EINVAL;
          }
        }
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall5(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // open
        var pathname = SYSCALLS.getStr(), flags = SYSCALLS.get(), mode = SYSCALLS.get() // optional TODO
        var stream = FS.open(pathname, flags, mode);
        return stream.fd;
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall54(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // ioctl
        var stream = SYSCALLS.getStreamFromFD(), op = SYSCALLS.get();
        switch (op) {
          case 21509:
          case 21505: {
            if (!stream.tty) return -ERRNO_CODES.ENOTTY;
            return 0;
          }
          case 21510:
          case 21511:
          case 21512:
          case 21506:
          case 21507:
          case 21508: {
            if (!stream.tty) return -ERRNO_CODES.ENOTTY;
            return 0; // no-op, not actually adjusting terminal settings
          }
          case 21519: {
            if (!stream.tty) return -ERRNO_CODES.ENOTTY;
            var argp = SYSCALLS.get();
            HEAP32[((argp)>>2)]=0;
            return 0;
          }
          case 21520: {
            if (!stream.tty) return -ERRNO_CODES.ENOTTY;
            return -ERRNO_CODES.EINVAL; // not supported
          }
          case 21531: {
            var argp = SYSCALLS.get();
            return FS.ioctl(stream, op, argp);
          }
          case 21523: {
            // TODO: in theory we should write to the winsize struct that gets
            // passed in, but for now musl doesn't read anything on it
            if (!stream.tty) return -ERRNO_CODES.ENOTTY;
            return 0;
          }
          case 21524: {
            // TODO: technically, this ioctl call should change the window size.
            // but, since emscripten doesn't have any concept of a terminal window
            // yet, we'll just silently throw it away as we do TIOCGWINSZ
            if (!stream.tty) return -ERRNO_CODES.ENOTTY;
            return 0;
          }
          default: abort('bad ioctl syscall ' + op);
        }
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall6(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // close
        var stream = SYSCALLS.getStreamFromFD();
        FS.close(stream);
        return 0;
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___unlock() {}
  
    function _abort() {
        Module['abort']();
      }
  
    
    function _emscripten_get_now() { abort() }
    
    function _emscripten_get_now_is_monotonic() {
        // return whether emscripten_get_now is guaranteed monotonic; the Date.now
        // implementation is not :(
        return ENVIRONMENT_IS_NODE || (typeof dateNow !== 'undefined') ||
            ((ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && self['performance'] && self['performance']['now']);
      }function _clock_gettime(clk_id, tp) {
        // int clock_gettime(clockid_t clk_id, struct timespec *tp);
        var now;
        if (clk_id === 0) {
          now = Date.now();
        } else if (clk_id === 1 && _emscripten_get_now_is_monotonic()) {
          now = _emscripten_get_now();
        } else {
          ___setErrNo(22);
          return -1;
        }
        HEAP32[((tp)>>2)]=(now/1000)|0; // seconds
        HEAP32[(((tp)+(4))>>2)]=((now % 1000)*1000*1000)|0; // nanoseconds
        return 0;
      }
  
    
    function _dlopen(/* ... */) {
        abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/kripken/emscripten/wiki/Linking");
      }function _dlclose() {
    return _dlopen.apply(null, arguments)
    }
  
    function _dlerror() {
    return _dlopen.apply(null, arguments)
    }
  
    function _dlsym() {
    return _dlopen.apply(null, arguments)
    }
  
    
    
    
    
    function _emscripten_set_main_loop_timing(mode, value) {
        Browser.mainLoop.timingMode = mode;
        Browser.mainLoop.timingValue = value;
    
        if (!Browser.mainLoop.func) {
          console.error('emscripten_set_main_loop_timing: Cannot set timing mode for main loop since a main loop does not exist! Call emscripten_set_main_loop first to set one up.');
          return 1; // Return non-zero on failure, can't set timing mode when there is no main loop.
        }
    
        if (mode == 0 /*EM_TIMING_SETTIMEOUT*/) {
          Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
            var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now())|0;
            setTimeout(Browser.mainLoop.runner, timeUntilNextTick); // doing this each time means that on exception, we stop
          };
          Browser.mainLoop.method = 'timeout';
        } else if (mode == 1 /*EM_TIMING_RAF*/) {
          Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
            Browser.requestAnimationFrame(Browser.mainLoop.runner);
          };
          Browser.mainLoop.method = 'rAF';
        } else if (mode == 2 /*EM_TIMING_SETIMMEDIATE*/) {
          if (typeof setImmediate === 'undefined') {
            // Emulate setImmediate. (note: not a complete polyfill, we don't emulate clearImmediate() to keep code size to minimum, since not needed)
            var setImmediates = [];
            var emscriptenMainLoopMessageId = 'setimmediate';
            function Browser_setImmediate_messageHandler(event) {
              // When called in current thread or Worker, the main loop ID is structured slightly different to accommodate for --proxy-to-worker runtime listening to Worker events,
              // so check for both cases.
              if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
                event.stopPropagation();
                setImmediates.shift()();
              }
            }
            addEventListener("message", Browser_setImmediate_messageHandler, true);
            setImmediate = function Browser_emulated_setImmediate(func) {
              setImmediates.push(func);
              if (ENVIRONMENT_IS_WORKER) {
                if (Module['setImmediates'] === undefined) Module['setImmediates'] = [];
                Module['setImmediates'].push(func);
                postMessage({target: emscriptenMainLoopMessageId}); // In --proxy-to-worker, route the message via proxyClient.js
              } else postMessage(emscriptenMainLoopMessageId, "*"); // On the main thread, can just send the message to itself.
            }
          }
          Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
            setImmediate(Browser.mainLoop.runner);
          };
          Browser.mainLoop.method = 'immediate';
        }
        return 0;
      }function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop, arg, noSetTiming) {
        Module['noExitRuntime'] = true;
    
        assert(!Browser.mainLoop.func, 'emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.');
    
        Browser.mainLoop.func = func;
        Browser.mainLoop.arg = arg;
    
        var browserIterationFunc;
        if (typeof arg !== 'undefined') {
          browserIterationFunc = function() {
            Module['dynCall_vi'](func, arg);
          };
        } else {
          browserIterationFunc = function() {
            Module['dynCall_v'](func);
          };
        }
    
        var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
    
        Browser.mainLoop.runner = function Browser_mainLoop_runner() {
          if (ABORT) return;
          if (Browser.mainLoop.queue.length > 0) {
            var start = Date.now();
            var blocker = Browser.mainLoop.queue.shift();
            blocker.func(blocker.arg);
            if (Browser.mainLoop.remainingBlockers) {
              var remaining = Browser.mainLoop.remainingBlockers;
              var next = remaining%1 == 0 ? remaining-1 : Math.floor(remaining);
              if (blocker.counted) {
                Browser.mainLoop.remainingBlockers = next;
              } else {
                // not counted, but move the progress along a tiny bit
                next = next + 0.5; // do not steal all the next one's progress
                Browser.mainLoop.remainingBlockers = (8*remaining + next)/9;
              }
            }
            console.log('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + ' ms'); //, left: ' + Browser.mainLoop.remainingBlockers);
            Browser.mainLoop.updateStatus();
    
            // catches pause/resume main loop from blocker execution
            if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return;
    
            setTimeout(Browser.mainLoop.runner, 0);
            return;
          }
    
          // catch pauses from non-main loop sources
          if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return;
    
          // Implement very basic swap interval control
          Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
          if (Browser.mainLoop.timingMode == 1/*EM_TIMING_RAF*/ && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
            // Not the scheduled time to render this frame - skip.
            Browser.mainLoop.scheduler();
            return;
          } else if (Browser.mainLoop.timingMode == 0/*EM_TIMING_SETTIMEOUT*/) {
            Browser.mainLoop.tickStartTime = _emscripten_get_now();
          }
    
          // Signal GL rendering layer that processing of a new frame is about to start. This helps it optimize
          // VBO double-buffering and reduce GPU stalls.
    
    
    
          if (Browser.mainLoop.method === 'timeout' && Module.ctx) {
            err('Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!');
            Browser.mainLoop.method = ''; // just warn once per call to set main loop
          }
    
          Browser.mainLoop.runIter(browserIterationFunc);
    
          checkStackCookie();
    
          // catch pauses from the main loop itself
          if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) return;
    
          // Queue new audio data. This is important to be right after the main loop invocation, so that we will immediately be able
          // to queue the newest produced audio samples.
          // TODO: Consider adding pre- and post- rAF callbacks so that GL.newRenderingFrameStarted() and SDL.audio.queueNewAudioData()
          //       do not need to be hardcoded into this function, but can be more generic.
          if (typeof SDL === 'object' && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData();
    
          Browser.mainLoop.scheduler();
        }
    
        if (!noSetTiming) {
          if (fps && fps > 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 1000.0 / fps);
          else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, 1); // Do rAF by rendering each frame (no decimating)
    
          Browser.mainLoop.scheduler();
        }
    
        if (simulateInfiniteLoop) {
          throw 'SimulateInfiniteLoop';
        }
      }var Browser={mainLoop:{scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause:function () {
            Browser.mainLoop.scheduler = null;
            Browser.mainLoop.currentlyRunningMainloop++; // Incrementing this signals the previous main loop that it's now become old, and it must return.
          },resume:function () {
            Browser.mainLoop.currentlyRunningMainloop++;
            var timingMode = Browser.mainLoop.timingMode;
            var timingValue = Browser.mainLoop.timingValue;
            var func = Browser.mainLoop.func;
            Browser.mainLoop.func = null;
            _emscripten_set_main_loop(func, 0, false, Browser.mainLoop.arg, true /* do not set timing and call scheduler, we will do it on the next lines */);
            _emscripten_set_main_loop_timing(timingMode, timingValue);
            Browser.mainLoop.scheduler();
          },updateStatus:function () {
            if (Module['setStatus']) {
              var message = Module['statusMessage'] || 'Please wait...';
              var remaining = Browser.mainLoop.remainingBlockers;
              var expected = Browser.mainLoop.expectedBlockers;
              if (remaining) {
                if (remaining < expected) {
                  Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')');
                } else {
                  Module['setStatus'](message);
                }
              } else {
                Module['setStatus']('');
              }
            }
          },runIter:function (func) {
            if (ABORT) return;
            if (Module['preMainLoop']) {
              var preRet = Module['preMainLoop']();
              if (preRet === false) {
                return; // |return false| skips a frame
              }
            }
            try {
              func();
            } catch (e) {
              if (e instanceof ExitStatus) {
                return;
              } else {
                if (e && typeof e === 'object' && e.stack) err('exception thrown: ' + [e, e.stack]);
                throw e;
              }
            }
            if (Module['postMainLoop']) Module['postMainLoop']();
          }},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function () {
          if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers
    
          if (Browser.initted) return;
          Browser.initted = true;
    
          try {
            new Blob();
            Browser.hasBlobConstructor = true;
          } catch(e) {
            Browser.hasBlobConstructor = false;
            console.log("warning: no blob constructor, cannot create blobs with mimetypes");
          }
          Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? console.log("warning: no BlobBuilder") : null));
          Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined;
          if (!Module.noImageDecoding && typeof Browser.URLObject === 'undefined') {
            console.log("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
            Module.noImageDecoding = true;
          }
    
          // Support for plugins that can process preloaded files. You can add more of these to
          // your app by creating and appending to Module.preloadPlugins.
          //
          // Each plugin is asked if it can handle a file based on the file's name. If it can,
          // it is given the file's raw data. When it is done, it calls a callback with the file's
          // (possibly modified) data. For example, a plugin might decompress a file, or it
          // might create some side data structure for use later (like an Image element, etc.).
    
          var imagePlugin = {};
          imagePlugin['canHandle'] = function imagePlugin_canHandle(name) {
            return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
          };
          imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onload, onerror) {
            var b = null;
            if (Browser.hasBlobConstructor) {
              try {
                b = new Blob([byteArray], { type: Browser.getMimetype(name) });
                if (b.size !== byteArray.length) { // Safari bug #118630
                  // Safari's Blob can only take an ArrayBuffer
                  b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Browser.getMimetype(name) });
                }
              } catch(e) {
                warnOnce('Blob constructor present but fails: ' + e + '; falling back to blob builder');
              }
            }
            if (!b) {
              var bb = new Browser.BlobBuilder();
              bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a buffer, and must copy the array to get the right data range
              b = bb.getBlob();
            }
            var url = Browser.URLObject.createObjectURL(b);
            assert(typeof url == 'string', 'createObjectURL must return a url as a string');
            var img = new Image();
            img.onload = function img_onload() {
              assert(img.complete, 'Image ' + name + ' could not be decoded');
              var canvas = document.createElement('canvas');
              canvas.width = img.width;
              canvas.height = img.height;
              var ctx = canvas.getContext('2d');
              ctx.drawImage(img, 0, 0);
              Module["preloadedImages"][name] = canvas;
              Browser.URLObject.revokeObjectURL(url);
              if (onload) onload(byteArray);
            };
            img.onerror = function img_onerror(event) {
              console.log('Image ' + url + ' could not be decoded');
              if (onerror) onerror();
            };
            img.src = url;
          };
          Module['preloadPlugins'].push(imagePlugin);
    
          var audioPlugin = {};
          audioPlugin['canHandle'] = function audioPlugin_canHandle(name) {
            return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
          };
          audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) {
            var done = false;
            function finish(audio) {
              if (done) return;
              done = true;
              Module["preloadedAudios"][name] = audio;
              if (onload) onload(byteArray);
            }
            function fail() {
              if (done) return;
              done = true;
              Module["preloadedAudios"][name] = new Audio(); // empty shim
              if (onerror) onerror();
            }
            if (Browser.hasBlobConstructor) {
              try {
                var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
              } catch(e) {
                return fail();
              }
              var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this!
              assert(typeof url == 'string', 'createObjectURL must return a url as a string');
              var audio = new Audio();
              audio.addEventListener('canplaythrough', function() { finish(audio) }, false); // use addEventListener due to chromium bug 124926
              audio.onerror = function audio_onerror(event) {
                if (done) return;
                console.log('warning: browser could not fully decode audio ' + name + ', trying slower base64 approach');
                function encode64(data) {
                  var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
                  var PAD = '=';
                  var ret = '';
                  var leftchar = 0;
                  var leftbits = 0;
                  for (var i = 0; i < data.length; i++) {
                    leftchar = (leftchar << 8) | data[i];
                    leftbits += 8;
                    while (leftbits >= 6) {
                      var curr = (leftchar >> (leftbits-6)) & 0x3f;
                      leftbits -= 6;
                      ret += BASE[curr];
                    }
                  }
                  if (leftbits == 2) {
                    ret += BASE[(leftchar&3) << 4];
                    ret += PAD + PAD;
                  } else if (leftbits == 4) {
                    ret += BASE[(leftchar&0xf) << 2];
                    ret += PAD;
                  }
                  return ret;
                }
                audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray);
                finish(audio); // we don't wait for confirmation this worked - but it's worth trying
              };
              audio.src = url;
              // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
              Browser.safeSetTimeout(function() {
                finish(audio); // try to use it even though it is not necessarily ready to play
              }, 10000);
            } else {
              return fail();
            }
          };
          Module['preloadPlugins'].push(audioPlugin);
    
    
          // Canvas event setup
    
          function pointerLockChange() {
            Browser.pointerLock = document['pointerLockElement'] === Module['canvas'] ||
                                  document['mozPointerLockElement'] === Module['canvas'] ||
                                  document['webkitPointerLockElement'] === Module['canvas'] ||
                                  document['msPointerLockElement'] === Module['canvas'];
          }
          var canvas = Module['canvas'];
          if (canvas) {
            // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
            // Module['forcedAspectRatio'] = 4 / 3;
    
            canvas.requestPointerLock = canvas['requestPointerLock'] ||
                                        canvas['mozRequestPointerLock'] ||
                                        canvas['webkitRequestPointerLock'] ||
                                        canvas['msRequestPointerLock'] ||
                                        function(){};
            canvas.exitPointerLock = document['exitPointerLock'] ||
                                     document['mozExitPointerLock'] ||
                                     document['webkitExitPointerLock'] ||
                                     document['msExitPointerLock'] ||
                                     function(){}; // no-op if function does not exist
            canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
    
            document.addEventListener('pointerlockchange', pointerLockChange, false);
            document.addEventListener('mozpointerlockchange', pointerLockChange, false);
            document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
            document.addEventListener('mspointerlockchange', pointerLockChange, false);
    
            if (Module['elementPointerLock']) {
              canvas.addEventListener("click", function(ev) {
                if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
                  Module['canvas'].requestPointerLock();
                  ev.preventDefault();
                }
              }, false);
            }
          }
        },createContext:function (canvas, useWebGL, setInModule, webGLContextAttributes) {
          if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx; // no need to recreate GL context if it's already been created for this canvas.
    
          var ctx;
          var contextHandle;
          if (useWebGL) {
            // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults.
            var contextAttributes = {
              antialias: false,
              alpha: false
            };
    
            if (webGLContextAttributes) {
              for (var attribute in webGLContextAttributes) {
                contextAttributes[attribute] = webGLContextAttributes[attribute];
              }
            }
    
            contextHandle = GL.createContext(canvas, contextAttributes);
            if (contextHandle) {
              ctx = GL.getContext(contextHandle).GLctx;
            }
          } else {
            ctx = canvas.getContext('2d');
          }
    
          if (!ctx) return null;
    
          if (setInModule) {
            if (!useWebGL) assert(typeof GLctx === 'undefined', 'cannot set in module if GLctx is used, but we are a non-GL context that would replace it');
    
            Module.ctx = ctx;
            if (useWebGL) GL.makeContextCurrent(contextHandle);
            Module.useWebGL = useWebGL;
            Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
            Browser.init();
          }
          return ctx;
        },destroyContext:function (canvas, useWebGL, setInModule) {},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:function (lockPointer, resizeCanvas, vrDevice) {
          Browser.lockPointer = lockPointer;
          Browser.resizeCanvas = resizeCanvas;
          Browser.vrDevice = vrDevice;
          if (typeof Browser.lockPointer === 'undefined') Browser.lockPointer = true;
          if (typeof Browser.resizeCanvas === 'undefined') Browser.resizeCanvas = false;
          if (typeof Browser.vrDevice === 'undefined') Browser.vrDevice = null;
    
          var canvas = Module['canvas'];
          function fullscreenChange() {
            Browser.isFullscreen = false;
            var canvasContainer = canvas.parentNode;
            if ((document['fullscreenElement'] || document['mozFullScreenElement'] ||
                 document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
                 document['webkitCurrentFullScreenElement']) === canvasContainer) {
              canvas.exitFullscreen = document['exitFullscreen'] ||
                                      document['cancelFullScreen'] ||
                                      document['mozCancelFullScreen'] ||
                                      document['msExitFullscreen'] ||
                                      document['webkitCancelFullScreen'] ||
                                      function() {};
              canvas.exitFullscreen = canvas.exitFullscreen.bind(document);
              if (Browser.lockPointer) canvas.requestPointerLock();
              Browser.isFullscreen = true;
              if (Browser.resizeCanvas) {
                Browser.setFullscreenCanvasSize();
              } else {
                Browser.updateCanvasDimensions(canvas);
              }
            } else {
              // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
              canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
              canvasContainer.parentNode.removeChild(canvasContainer);
    
              if (Browser.resizeCanvas) {
                Browser.setWindowedCanvasSize();
              } else {
                Browser.updateCanvasDimensions(canvas);
              }
            }
            if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullscreen);
            if (Module['onFullscreen']) Module['onFullscreen'](Browser.isFullscreen);
          }
    
          if (!Browser.fullscreenHandlersInstalled) {
            Browser.fullscreenHandlersInstalled = true;
            document.addEventListener('fullscreenchange', fullscreenChange, false);
            document.addEventListener('mozfullscreenchange', fullscreenChange, false);
            document.addEventListener('webkitfullscreenchange', fullscreenChange, false);
            document.addEventListener('MSFullscreenChange', fullscreenChange, false);
          }
    
          // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
          var canvasContainer = document.createElement("div");
          canvas.parentNode.insertBefore(canvasContainer, canvas);
          canvasContainer.appendChild(canvas);
    
          // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
          canvasContainer.requestFullscreen = canvasContainer['requestFullscreen'] ||
                                              canvasContainer['mozRequestFullScreen'] ||
                                              canvasContainer['msRequestFullscreen'] ||
                                             (canvasContainer['webkitRequestFullscreen'] ? function() { canvasContainer['webkitRequestFullscreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null) ||
                                             (canvasContainer['webkitRequestFullScreen'] ? function() { canvasContainer['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null);
    
          if (vrDevice) {
            canvasContainer.requestFullscreen({ vrDisplay: vrDevice });
          } else {
            canvasContainer.requestFullscreen();
          }
        },requestFullScreen:function (lockPointer, resizeCanvas, vrDevice) {
            err('Browser.requestFullScreen() is deprecated. Please call Browser.requestFullscreen instead.');
            Browser.requestFullScreen = function(lockPointer, resizeCanvas, vrDevice) {
              return Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice);
            }
            return Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice);
        },nextRAF:0,fakeRequestAnimationFrame:function (func) {
          // try to keep 60fps between calls to here
          var now = Date.now();
          if (Browser.nextRAF === 0) {
            Browser.nextRAF = now + 1000/60;
          } else {
            while (now + 2 >= Browser.nextRAF) { // fudge a little, to avoid timer jitter causing us to do lots of delay:0
              Browser.nextRAF += 1000/60;
            }
          }
          var delay = Math.max(Browser.nextRAF - now, 0);
          setTimeout(func, delay);
        },requestAnimationFrame:function requestAnimationFrame(func) {
          if (typeof window === 'undefined') { // Provide fallback to setTimeout if window is undefined (e.g. in Node.js)
            Browser.fakeRequestAnimationFrame(func);
          } else {
            if (!window.requestAnimationFrame) {
              window.requestAnimationFrame = window['requestAnimationFrame'] ||
                                             window['mozRequestAnimationFrame'] ||
                                             window['webkitRequestAnimationFrame'] ||
                                             window['msRequestAnimationFrame'] ||
                                             window['oRequestAnimationFrame'] ||
                                             Browser.fakeRequestAnimationFrame;
            }
            window.requestAnimationFrame(func);
          }
        },safeCallback:function (func) {
          return function() {
            if (!ABORT) return func.apply(null, arguments);
          };
        },allowAsyncCallbacks:true,queuedAsyncCallbacks:[],pauseAsyncCallbacks:function () {
          Browser.allowAsyncCallbacks = false;
        },resumeAsyncCallbacks:function () { // marks future callbacks as ok to execute, and synchronously runs any remaining ones right now
          Browser.allowAsyncCallbacks = true;
          if (Browser.queuedAsyncCallbacks.length > 0) {
            var callbacks = Browser.queuedAsyncCallbacks;
            Browser.queuedAsyncCallbacks = [];
            callbacks.forEach(function(func) {
              func();
            });
          }
        },safeRequestAnimationFrame:function (func) {
          return Browser.requestAnimationFrame(function() {
            if (ABORT) return;
            if (Browser.allowAsyncCallbacks) {
              func();
            } else {
              Browser.queuedAsyncCallbacks.push(func);
            }
          });
        },safeSetTimeout:function (func, timeout) {
          Module['noExitRuntime'] = true;
          return setTimeout(function() {
            if (ABORT) return;
            if (Browser.allowAsyncCallbacks) {
              func();
            } else {
              Browser.queuedAsyncCallbacks.push(func);
            }
          }, timeout);
        },safeSetInterval:function (func, timeout) {
          Module['noExitRuntime'] = true;
          return setInterval(function() {
            if (ABORT) return;
            if (Browser.allowAsyncCallbacks) {
              func();
            } // drop it on the floor otherwise, next interval will kick in
          }, timeout);
        },getMimetype:function (name) {
          return {
            'jpg': 'image/jpeg',
            'jpeg': 'image/jpeg',
            'png': 'image/png',
            'bmp': 'image/bmp',
            'ogg': 'audio/ogg',
            'wav': 'audio/wav',
            'mp3': 'audio/mpeg'
          }[name.substr(name.lastIndexOf('.')+1)];
        },getUserMedia:function (func) {
          if(!window.getUserMedia) {
            window.getUserMedia = navigator['getUserMedia'] ||
                                  navigator['mozGetUserMedia'];
          }
          window.getUserMedia(func);
        },getMovementX:function (event) {
          return event['movementX'] ||
                 event['mozMovementX'] ||
                 event['webkitMovementX'] ||
                 0;
        },getMovementY:function (event) {
          return event['movementY'] ||
                 event['mozMovementY'] ||
                 event['webkitMovementY'] ||
                 0;
        },getMouseWheelDelta:function (event) {
          var delta = 0;
          switch (event.type) {
            case 'DOMMouseScroll':
              delta = event.detail;
              break;
            case 'mousewheel':
              delta = event.wheelDelta;
              break;
            case 'wheel':
              delta = event['deltaY'];
              break;
            default:
              throw 'unrecognized mouse wheel event: ' + event.type;
          }
          return delta;
        },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseEvent:function (event) { // event should be mousemove, mousedown or mouseup
          if (Browser.pointerLock) {
            // When the pointer is locked, calculate the coordinates
            // based on the movement of the mouse.
            // Workaround for Firefox bug 764498
            if (event.type != 'mousemove' &&
                ('mozMovementX' in event)) {
              Browser.mouseMovementX = Browser.mouseMovementY = 0;
            } else {
              Browser.mouseMovementX = Browser.getMovementX(event);
              Browser.mouseMovementY = Browser.getMovementY(event);
            }
    
            // check if SDL is available
            if (typeof SDL != "undefined") {
              Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
              Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
            } else {
              // just add the mouse delta to the current absolut mouse position
              // FIXME: ideally this should be clamped against the canvas size and zero
              Browser.mouseX += Browser.mouseMovementX;
              Browser.mouseY += Browser.mouseMovementY;
            }
          } else {
            // Otherwise, calculate the movement based on the changes
            // in the coordinates.
            var rect = Module["canvas"].getBoundingClientRect();
            var cw = Module["canvas"].width;
            var ch = Module["canvas"].height;
    
            // Neither .scrollX or .pageXOffset are defined in a spec, but
            // we prefer .scrollX because it is currently in a spec draft.
            // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
            var scrollX = ((typeof window.scrollX !== 'undefined') ? window.scrollX : window.pageXOffset);
            var scrollY = ((typeof window.scrollY !== 'undefined') ? window.scrollY : window.pageYOffset);
            // If this assert lands, it's likely because the browser doesn't support scrollX or pageXOffset
            // and we have no viable fallback.
            assert((typeof scrollX !== 'undefined') && (typeof scrollY !== 'undefined'), 'Unable to retrieve scroll position, mouse positions likely broken.');
    
            if (event.type === 'touchstart' || event.type === 'touchend' || event.type === 'touchmove') {
              var touch = event.touch;
              if (touch === undefined) {
                return; // the "touch" property is only defined in SDL
    
              }
              var adjustedX = touch.pageX - (scrollX + rect.left);
              var adjustedY = touch.pageY - (scrollY + rect.top);
    
              adjustedX = adjustedX * (cw / rect.width);
              adjustedY = adjustedY * (ch / rect.height);
    
              var coords = { x: adjustedX, y: adjustedY };
    
              if (event.type === 'touchstart') {
                Browser.lastTouches[touch.identifier] = coords;
                Browser.touches[touch.identifier] = coords;
              } else if (event.type === 'touchend' || event.type === 'touchmove') {
                var last = Browser.touches[touch.identifier];
                if (!last) last = coords;
                Browser.lastTouches[touch.identifier] = last;
                Browser.touches[touch.identifier] = coords;
              }
              return;
            }
    
            var x = event.pageX - (scrollX + rect.left);
            var y = event.pageY - (scrollY + rect.top);
    
            // the canvas might be CSS-scaled compared to its backbuffer;
            // SDL-using content will want mouse coordinates in terms
            // of backbuffer units.
            x = x * (cw / rect.width);
            y = y * (ch / rect.height);
    
            Browser.mouseMovementX = x - Browser.mouseX;
            Browser.mouseMovementY = y - Browser.mouseY;
            Browser.mouseX = x;
            Browser.mouseY = y;
          }
        },asyncLoad:function (url, onload, onerror, noRunDep) {
          var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : '';
          Module['readAsync'](url, function(arrayBuffer) {
            assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
            onload(new Uint8Array(arrayBuffer));
            if (dep) removeRunDependency(dep);
          }, function(event) {
            if (onerror) {
              onerror();
            } else {
              throw 'Loading data file "' + url + '" failed.';
            }
          });
          if (dep) addRunDependency(dep);
        },resizeListeners:[],updateResizeListeners:function () {
          var canvas = Module['canvas'];
          Browser.resizeListeners.forEach(function(listener) {
            listener(canvas.width, canvas.height);
          });
        },setCanvasSize:function (width, height, noUpdates) {
          var canvas = Module['canvas'];
          Browser.updateCanvasDimensions(canvas, width, height);
          if (!noUpdates) Browser.updateResizeListeners();
        },windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize:function () {
          // check if SDL is available
          if (typeof SDL != "undefined") {
            var flags = HEAPU32[((SDL.screen)>>2)];
            flags = flags | 0x00800000; // set SDL_FULLSCREEN flag
            HEAP32[((SDL.screen)>>2)]=flags
          }
          Browser.updateCanvasDimensions(Module['canvas']);
          Browser.updateResizeListeners();
        },setWindowedCanvasSize:function () {
          // check if SDL is available
          if (typeof SDL != "undefined") {
            var flags = HEAPU32[((SDL.screen)>>2)];
            flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag
            HEAP32[((SDL.screen)>>2)]=flags
          }
          Browser.updateCanvasDimensions(Module['canvas']);
          Browser.updateResizeListeners();
        },updateCanvasDimensions:function (canvas, wNative, hNative) {
          if (wNative && hNative) {
            canvas.widthNative = wNative;
            canvas.heightNative = hNative;
          } else {
            wNative = canvas.widthNative;
            hNative = canvas.heightNative;
          }
          var w = wNative;
          var h = hNative;
          if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) {
            if (w/h < Module['forcedAspectRatio']) {
              w = Math.round(h * Module['forcedAspectRatio']);
            } else {
              h = Math.round(w / Module['forcedAspectRatio']);
            }
          }
          if (((document['fullscreenElement'] || document['mozFullScreenElement'] ||
               document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
               document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) {
             var factor = Math.min(screen.width / w, screen.height / h);
             w = Math.round(w * factor);
             h = Math.round(h * factor);
          }
          if (Browser.resizeCanvas) {
            if (canvas.width  != w) canvas.width  = w;
            if (canvas.height != h) canvas.height = h;
            if (typeof canvas.style != 'undefined') {
              canvas.style.removeProperty( "width");
              canvas.style.removeProperty("height");
            }
          } else {
            if (canvas.width  != wNative) canvas.width  = wNative;
            if (canvas.height != hNative) canvas.height = hNative;
            if (typeof canvas.style != 'undefined') {
              if (w != wNative || h != hNative) {
                canvas.style.setProperty( "width", w + "px", "important");
                canvas.style.setProperty("height", h + "px", "important");
              } else {
                canvas.style.removeProperty( "width");
                canvas.style.removeProperty("height");
              }
            }
          }
        },wgetRequests:{},nextWgetRequestHandle:0,getNextWgetRequestHandle:function () {
          var handle = Browser.nextWgetRequestHandle;
          Browser.nextWgetRequestHandle++;
          return handle;
        }};var EGL={errorCode:12288,defaultDisplayInitialized:false,currentContext:0,currentReadSurface:0,currentDrawSurface:0,contextAttributes:{alpha:false,depth:false,stencil:false,antialias:false},stringCache:{},setErrorCode:function (code) {
          EGL.errorCode = code;
        },chooseConfig:function (display, attribList, config, config_size, numConfigs) { 
          if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
            EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
            return 0;
          }
    
          if (attribList) {
            // read attribList if it is non-null
            for(;;) {
              var param = HEAP32[((attribList)>>2)];
              if (param == 0x3021 /*EGL_ALPHA_SIZE*/) {
                var alphaSize = HEAP32[(((attribList)+(4))>>2)];
                EGL.contextAttributes.alpha = (alphaSize > 0);
              } else if (param == 0x3025 /*EGL_DEPTH_SIZE*/) {
                var depthSize = HEAP32[(((attribList)+(4))>>2)];
                EGL.contextAttributes.depth = (depthSize > 0);
              } else if (param == 0x3026 /*EGL_STENCIL_SIZE*/) {
                var stencilSize = HEAP32[(((attribList)+(4))>>2)];
                EGL.contextAttributes.stencil = (stencilSize > 0);
              } else if (param == 0x3031 /*EGL_SAMPLES*/) {
                var samples = HEAP32[(((attribList)+(4))>>2)];
                EGL.contextAttributes.antialias = (samples > 0);
              } else if (param == 0x3032 /*EGL_SAMPLE_BUFFERS*/) {
                var samples = HEAP32[(((attribList)+(4))>>2)];
                EGL.contextAttributes.antialias = (samples == 1);
              } else if (param == 0x3038 /*EGL_NONE*/) {
                  break;
              }
              attribList += 8;
            }
          }
    
          if ((!config || !config_size) && !numConfigs) {
            EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
            return 0;
          }
          if (numConfigs) {
            HEAP32[((numConfigs)>>2)]=1; // Total number of supported configs: 1.
          }
          if (config && config_size > 0) {
            HEAP32[((config)>>2)]=62002; 
          }
          
          EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
          return 1;
        }};function _eglBindAPI(api) {
        if (api == 0x30A0 /* EGL_OPENGL_ES_API */) {
          EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
          return 1;
        } else { // if (api == 0x30A1 /* EGL_OPENVG_API */ || api == 0x30A2 /* EGL_OPENGL_API */) {
          EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
          return 0;
        }
      }
  
    function _eglChooseConfig(display, attrib_list, configs, config_size, numConfigs) { 
        return EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs);
      }
  
    
    var GL={counter:1,lastError:0,buffers:[],mappedBuffers:{},programs:[],framebuffers:[],renderbuffers:[],textures:[],uniforms:[],shaders:[],vaos:[],contexts:{},currentContext:null,offscreenCanvases:{},timerQueriesEXT:[],queries:[],samplers:[],transformFeedbacks:[],syncs:[],programInfos:{},stringCache:{},stringiCache:{},unpackAlignment:4,init:function () {
          GL.miniTempBuffer = new Float32Array(GL.MINI_TEMP_BUFFER_SIZE);
          for (var i = 0; i < GL.MINI_TEMP_BUFFER_SIZE; i++) {
            GL.miniTempBufferViews[i] = GL.miniTempBuffer.subarray(0, i+1);
          }
        },recordError:function recordError(errorCode) {
          if (!GL.lastError) {
            GL.lastError = errorCode;
          }
        },getNewId:function (table) {
          var ret = GL.counter++;
          for (var i = table.length; i < ret; i++) {
            table[i] = null;
          }
          return ret;
        },MINI_TEMP_BUFFER_SIZE:256,miniTempBuffer:null,miniTempBufferViews:[0],getSource:function (shader, count, string, length) {
          var source = '';
          for (var i = 0; i < count; ++i) {
            var len = length ? HEAP32[(((length)+(i*4))>>2)] : undefined;
            source += Pointer_stringify(HEAP32[(((string)+(i*4))>>2)], len >= 0 ? len : undefined);
          }
          return source;
        },createContext:function (canvas, webGLContextAttributes) {
          if (typeof webGLContextAttributes['majorVersion'] === 'undefined' && typeof webGLContextAttributes['minorVersion'] === 'undefined') {
            // If caller did not specify a context, initialize the best one that is possibly available.
            // To explicitly create a WebGL 1 or a WebGL 2 context, call this function with a specific
            // majorVersion set.
            if (typeof WebGL2RenderingContext !== 'undefined') webGLContextAttributes['majorVersion'] = 2;
            else webGLContextAttributes['majorVersion'] = 1;
            webGLContextAttributes['minorVersion'] = 0;
          }
    
    
    
          var ctx;
          var errorInfo = '?';
          function onContextCreationError(event) {
            errorInfo = event.statusMessage || errorInfo;
          }
          try {
            canvas.addEventListener('webglcontextcreationerror', onContextCreationError, false);
            try {
              if (webGLContextAttributes['majorVersion'] == 1 && webGLContextAttributes['minorVersion'] == 0) {
                ctx = canvas.getContext("webgl", webGLContextAttributes) || canvas.getContext("experimental-webgl", webGLContextAttributes);
              } else if (webGLContextAttributes['majorVersion'] == 2 && webGLContextAttributes['minorVersion'] == 0) {
                ctx = canvas.getContext("webgl2", webGLContextAttributes);
              } else {
                throw 'Unsupported WebGL context version ' + majorVersion + '.' + minorVersion + '!'
              }
            } finally {
              canvas.removeEventListener('webglcontextcreationerror', onContextCreationError, false);
            }
            if (!ctx) throw ':(';
          } catch (e) {
            return 0;
          }
    
          if (!ctx) return 0;
          var context = GL.registerContext(ctx, webGLContextAttributes);
          return context;
        },registerContext:function (ctx, webGLContextAttributes) {
          var handle = _malloc(8); // Make space on the heap to store GL context attributes that need to be accessible as shared between threads.
          var context = {
            handle: handle,
            attributes: webGLContextAttributes,
            version: webGLContextAttributes['majorVersion'],
            GLctx: ctx
          };
    
          // BUG: Workaround Chrome WebGL 2 issue: the first shipped versions of WebGL 2 in Chrome did not actually implement the new WebGL 2 functions.
          //      Those are supported only in Chrome 58 and newer.
          function getChromeVersion() {
            var raw = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
            return raw ? parseInt(raw[2], 10) : false;
          }
          context.supportsWebGL2EntryPoints = (context.version >= 2) && (getChromeVersion() === false || getChromeVersion() >= 58);
    
    
          // Store the created context object so that we can access the context given a canvas without having to pass the parameters again.
          if (ctx.canvas) ctx.canvas.GLctxObject = context;
          GL.contexts[handle] = context;
          if (typeof webGLContextAttributes['enableExtensionsByDefault'] === 'undefined' || webGLContextAttributes['enableExtensionsByDefault']) {
            GL.initExtensions(context);
          }
    
    
    
    
          return handle;
        },makeContextCurrent:function (contextHandle) {
          // Deactivating current context?
          if (!contextHandle) {
            GLctx = Module.ctx = GL.currentContext = null;
            return true;
          }
          var context = GL.contexts[contextHandle];
          if (!context) {
            return false;
          }
          GLctx = Module.ctx = context.GLctx; // Active WebGL context object.
          GL.currentContext = context; // Active Emscripten GL layer context object.
          return true;
        },getContext:function (contextHandle) {
          return GL.contexts[contextHandle];
        },deleteContext:function (contextHandle) {
          if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
          if (typeof JSEvents === 'object') JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas); // Release all JS event handlers on the DOM element that the GL context is associated with since the context is now deleted.
          if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined; // Make sure the canvas object no longer refers to the context object so there are no GC surprises.
          _free(GL.contexts[contextHandle]);
          GL.contexts[contextHandle] = null;
        },initExtensions:function (context) {
          // If this function is called without a specific context object, init the extensions of the currently active context.
          if (!context) context = GL.currentContext;
    
          if (context.initExtensionsDone) return;
          context.initExtensionsDone = true;
    
          var GLctx = context.GLctx;
    
          // Detect the presence of a few extensions manually, this GL interop layer itself will need to know if they exist.
    
          if (context.version < 2) {
            // Extension available from Firefox 26 and Google Chrome 30
            var instancedArraysExt = GLctx.getExtension('ANGLE_instanced_arrays');
            if (instancedArraysExt) {
              GLctx['vertexAttribDivisor'] = function(index, divisor) { instancedArraysExt['vertexAttribDivisorANGLE'](index, divisor); };
              GLctx['drawArraysInstanced'] = function(mode, first, count, primcount) { instancedArraysExt['drawArraysInstancedANGLE'](mode, first, count, primcount); };
              GLctx['drawElementsInstanced'] = function(mode, count, type, indices, primcount) { instancedArraysExt['drawElementsInstancedANGLE'](mode, count, type, indices, primcount); };
            }
    
            // Extension available from Firefox 25 and WebKit
            var vaoExt = GLctx.getExtension('OES_vertex_array_object');
            if (vaoExt) {
              GLctx['createVertexArray'] = function() { return vaoExt['createVertexArrayOES'](); };
              GLctx['deleteVertexArray'] = function(vao) { vaoExt['deleteVertexArrayOES'](vao); };
              GLctx['bindVertexArray'] = function(vao) { vaoExt['bindVertexArrayOES'](vao); };
              GLctx['isVertexArray'] = function(vao) { return vaoExt['isVertexArrayOES'](vao); };
            }
    
            var drawBuffersExt = GLctx.getExtension('WEBGL_draw_buffers');
            if (drawBuffersExt) {
              GLctx['drawBuffers'] = function(n, bufs) { drawBuffersExt['drawBuffersWEBGL'](n, bufs); };
            }
          }
    
          GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
    
          // These are the 'safe' feature-enabling extensions that don't add any performance impact related to e.g. debugging, and
          // should be enabled by default so that client GLES2/GL code will not need to go through extra hoops to get its stuff working.
          // As new extensions are ratified at http://www.khronos.org/registry/webgl/extensions/ , feel free to add your new extensions
          // here, as long as they don't produce a performance impact for users that might not be using those extensions.
          // E.g. debugging-related extensions should probably be off by default.
          var automaticallyEnabledExtensions = [ // Khronos ratified WebGL extensions ordered by number (no debug extensions):
                                                 "OES_texture_float", "OES_texture_half_float", "OES_standard_derivatives",
                                                 "OES_vertex_array_object", "WEBGL_compressed_texture_s3tc", "WEBGL_depth_texture",
                                                 "OES_element_index_uint", "EXT_texture_filter_anisotropic", "EXT_frag_depth",
                                                 "WEBGL_draw_buffers", "ANGLE_instanced_arrays", "OES_texture_float_linear",
                                                 "OES_texture_half_float_linear", "EXT_blend_minmax", "EXT_shader_texture_lod",
                                                 // Community approved WebGL extensions ordered by number:
                                                 "WEBGL_compressed_texture_pvrtc", "EXT_color_buffer_half_float", "WEBGL_color_buffer_float",
                                                 "EXT_sRGB", "WEBGL_compressed_texture_etc1", "EXT_disjoint_timer_query",
                                                 "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_astc", "EXT_color_buffer_float",
                                                 "WEBGL_compressed_texture_s3tc_srgb", "EXT_disjoint_timer_query_webgl2"];
    
          function shouldEnableAutomatically(extension) {
            var ret = false;
            automaticallyEnabledExtensions.forEach(function(include) {
              if (extension.indexOf(include) != -1) {
                ret = true;
              }
            });
            return ret;
          }
    
          var exts = GLctx.getSupportedExtensions();
          if (exts && exts.length > 0) {
            GLctx.getSupportedExtensions().forEach(function(ext) {
              if (automaticallyEnabledExtensions.indexOf(ext) != -1) {
                GLctx.getExtension(ext); // Calling .getExtension enables that extension permanently, no need to store the return value to be enabled.
              }
            });
          }
        },populateUniformTable:function (program) {
          var p = GL.programs[program];
          GL.programInfos[program] = {
            uniforms: {},
            maxUniformLength: 0, // This is eagerly computed below, since we already enumerate all uniforms anyway.
            maxAttributeLength: -1, // This is lazily computed and cached, computed when/if first asked, "-1" meaning not computed yet.
            maxUniformBlockNameLength: -1 // Lazily computed as well
          };
    
          var ptable = GL.programInfos[program];
          var utable = ptable.uniforms;
          // A program's uniform table maps the string name of an uniform to an integer location of that uniform.
          // The global GL.uniforms map maps integer locations to WebGLUniformLocations.
          var numUniforms = GLctx.getProgramParameter(p, 0x8B86/*GL_ACTIVE_UNIFORMS*/);
          for (var i = 0; i < numUniforms; ++i) {
            var u = GLctx.getActiveUniform(p, i);
    
            var name = u.name;
            ptable.maxUniformLength = Math.max(ptable.maxUniformLength, name.length+1);
    
            // Strip off any trailing array specifier we might have got, e.g. "[0]".
            if (name.indexOf(']', name.length-1) !== -1) {
              var ls = name.lastIndexOf('[');
              name = name.slice(0, ls);
            }
    
            // Optimize memory usage slightly: If we have an array of uniforms, e.g. 'vec3 colors[3];', then
            // only store the string 'colors' in utable, and 'colors[0]', 'colors[1]' and 'colors[2]' will be parsed as 'colors'+i.
            // Note that for the GL.uniforms table, we still need to fetch the all WebGLUniformLocations for all the indices.
            var loc = GLctx.getUniformLocation(p, name);
            if (loc != null)
            {
              var id = GL.getNewId(GL.uniforms);
              utable[name] = [u.size, id];
              GL.uniforms[id] = loc;
    
              for (var j = 1; j < u.size; ++j) {
                var n = name + '['+j+']';
                loc = GLctx.getUniformLocation(p, n);
                id = GL.getNewId(GL.uniforms);
    
                GL.uniforms[id] = loc;
              }
            }
          }
        }};function _eglCreateContext(display, config, hmm, contextAttribs) {
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
    
        // EGL 1.4 spec says default EGL_CONTEXT_CLIENT_VERSION is GLES1, but this is not supported by Emscripten.
        // So user must pass EGL_CONTEXT_CLIENT_VERSION == 2 to initialize EGL.
        var glesContextVersion = 1;
        for(;;) {
          var param = HEAP32[((contextAttribs)>>2)];
          if (param == 0x3098 /*EGL_CONTEXT_CLIENT_VERSION*/) {
            glesContextVersion = HEAP32[(((contextAttribs)+(4))>>2)];
          } else if (param == 0x3038 /*EGL_NONE*/) {
            break;
          } else {
            /* EGL1.4 specifies only EGL_CONTEXT_CLIENT_VERSION as supported attribute */
            EGL.setErrorCode(0x3004 /*EGL_BAD_ATTRIBUTE*/);
            return 0;
          }
          contextAttribs += 8;
        }
        if (glesContextVersion < 2 || glesContextVersion > 3) {
          EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */);
          return 0; /* EGL_NO_CONTEXT */
        }
    
        EGL.contextAttributes.majorVersion = glesContextVersion - 1; // WebGL 1 is GLES 2, WebGL2 is GLES3
        EGL.contextAttributes.minorVersion = 0;
    
        EGL.context = GL.createContext(Module['canvas'], EGL.contextAttributes);
    
        if (EGL.context != 0) {
          EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
    
          // Run callbacks so that GL emulation works
          GL.makeContextCurrent(EGL.context);
          Module.useWebGL = true;
          Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
    
          // Note: This function only creates a context, but it shall not make it active.
          GL.makeContextCurrent(null);
          return 62004; // Magic ID for Emscripten EGLContext
        } else {
          EGL.setErrorCode(0x3009 /* EGL_BAD_MATCH */); // By the EGL 1.4 spec, an implementation that does not support GLES2 (WebGL in this case), this error code is set.
          return 0; /* EGL_NO_CONTEXT */
        }
      }
  
    function _eglCreateWindowSurface(display, config, win, attrib_list) { 
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
        if (config != 62002 /* Magic ID for the only EGLConfig supported by Emscripten */) {
          EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */);
          return 0;
        }
        // TODO: Examine attrib_list! Parameters that can be present there are:
        // - EGL_RENDER_BUFFER (must be EGL_BACK_BUFFER)
        // - EGL_VG_COLORSPACE (can't be set)
        // - EGL_VG_ALPHA_FORMAT (can't be set)
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 62006; /* Magic ID for Emscripten 'default surface' */
      }
  
    function _eglDestroyContext(display, context) {
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
    
        if (context != 62004 /* Magic ID for Emscripten EGLContext */) {
          EGL.setErrorCode(0x3006 /* EGL_BAD_CONTEXT */);
          return 0;
        }
    
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 1;
      }
  
    function _eglDestroySurface(display, surface) { 
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0; 
        }
        if (surface != 62006 /* Magic ID for the only EGLSurface supported by Emscripten */) {
          EGL.setErrorCode(0x300D /* EGL_BAD_SURFACE */);
          return 1;
        }
        if (EGL.currentReadSurface == surface) {
          EGL.currentReadSurface = 0;
        }
        if (EGL.currentDrawSurface == surface) {
          EGL.currentDrawSurface = 0;
        }
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 1; /* Magic ID for Emscripten 'default surface' */
      }
  
    function _eglGetConfigAttrib(display, config, attribute, value) {
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
        if (config != 62002 /* Magic ID for the only EGLConfig supported by Emscripten */) {
          EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */);
          return 0;
        }
        if (!value) {
          EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
          return 0;
        }
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        switch(attribute) {
        case 0x3020: // EGL_BUFFER_SIZE
          HEAP32[((value)>>2)]=EGL.contextAttributes.alpha ? 32 : 24;
          return 1;
        case 0x3021: // EGL_ALPHA_SIZE
          HEAP32[((value)>>2)]=EGL.contextAttributes.alpha ? 8 : 0;
          return 1;
        case 0x3022: // EGL_BLUE_SIZE
          HEAP32[((value)>>2)]=8;
          return 1;
        case 0x3023: // EGL_GREEN_SIZE
          HEAP32[((value)>>2)]=8;
          return 1;
        case 0x3024: // EGL_RED_SIZE
          HEAP32[((value)>>2)]=8;
          return 1;
        case 0x3025: // EGL_DEPTH_SIZE
          HEAP32[((value)>>2)]=EGL.contextAttributes.depth ? 24 : 0;
          return 1;
        case 0x3026: // EGL_STENCIL_SIZE
          HEAP32[((value)>>2)]=EGL.contextAttributes.stencil ? 8 : 0;
          return 1;
        case 0x3027: // EGL_CONFIG_CAVEAT
          // We can return here one of EGL_NONE (0x3038), EGL_SLOW_CONFIG (0x3050) or EGL_NON_CONFORMANT_CONFIG (0x3051).
          HEAP32[((value)>>2)]=0x3038;
          return 1;
        case 0x3028: // EGL_CONFIG_ID
          HEAP32[((value)>>2)]=62002;
          return 1;
        case 0x3029: // EGL_LEVEL
          HEAP32[((value)>>2)]=0;
          return 1;
        case 0x302A: // EGL_MAX_PBUFFER_HEIGHT
          HEAP32[((value)>>2)]=4096;
          return 1;
        case 0x302B: // EGL_MAX_PBUFFER_PIXELS
          HEAP32[((value)>>2)]=16777216;
          return 1;
        case 0x302C: // EGL_MAX_PBUFFER_WIDTH
          HEAP32[((value)>>2)]=4096;
          return 1;
        case 0x302D: // EGL_NATIVE_RENDERABLE
          HEAP32[((value)>>2)]=0;
          return 1;
        case 0x302E: // EGL_NATIVE_VISUAL_ID
          HEAP32[((value)>>2)]=0;
          return 1;
        case 0x302F: // EGL_NATIVE_VISUAL_TYPE
          HEAP32[((value)>>2)]=0x3038;
          return 1;
        case 0x3031: // EGL_SAMPLES
          HEAP32[((value)>>2)]=EGL.contextAttributes.antialias ? 4 : 0;
          return 1;
        case 0x3032: // EGL_SAMPLE_BUFFERS
          HEAP32[((value)>>2)]=EGL.contextAttributes.antialias ? 1 : 0;
          return 1;
        case 0x3033: // EGL_SURFACE_TYPE
          HEAP32[((value)>>2)]=0x0004;
          return 1;
        case 0x3034: // EGL_TRANSPARENT_TYPE
          // If this returns EGL_TRANSPARENT_RGB (0x3052), transparency is used through color-keying. No such thing applies to Emscripten canvas.
          HEAP32[((value)>>2)]=0x3038;
          return 1;
        case 0x3035: // EGL_TRANSPARENT_BLUE_VALUE
        case 0x3036: // EGL_TRANSPARENT_GREEN_VALUE
        case 0x3037: // EGL_TRANSPARENT_RED_VALUE
          // "If EGL_TRANSPARENT_TYPE is EGL_NONE, then the values for EGL_TRANSPARENT_RED_VALUE, EGL_TRANSPARENT_GREEN_VALUE, and EGL_TRANSPARENT_BLUE_VALUE are undefined."
          HEAP32[((value)>>2)]=-1;
          return 1;
        case 0x3039: // EGL_BIND_TO_TEXTURE_RGB
        case 0x303A: // EGL_BIND_TO_TEXTURE_RGBA
          HEAP32[((value)>>2)]=0;
          return 1;
        case 0x303B: // EGL_MIN_SWAP_INTERVAL
          HEAP32[((value)>>2)]=0;
          return 1;
        case 0x303C: // EGL_MAX_SWAP_INTERVAL
          HEAP32[((value)>>2)]=1;
          return 1;
        case 0x303D: // EGL_LUMINANCE_SIZE
        case 0x303E: // EGL_ALPHA_MASK_SIZE
          HEAP32[((value)>>2)]=0;
          return 1;
        case 0x303F: // EGL_COLOR_BUFFER_TYPE
          // EGL has two types of buffers: EGL_RGB_BUFFER and EGL_LUMINANCE_BUFFER.
          HEAP32[((value)>>2)]=0x308E;
          return 1;
        case 0x3040: // EGL_RENDERABLE_TYPE
          // A bit combination of EGL_OPENGL_ES_BIT,EGL_OPENVG_BIT,EGL_OPENGL_ES2_BIT and EGL_OPENGL_BIT.
          HEAP32[((value)>>2)]=0x0004;
          return 1;
        case 0x3042: // EGL_CONFORMANT
          // "EGL_CONFORMANT is a mask indicating if a client API context created with respect to the corresponding EGLConfig will pass the required conformance tests for that API."
          HEAP32[((value)>>2)]=0;
          return 1;
        default:
          EGL.setErrorCode(0x3004 /* EGL_BAD_ATTRIBUTE */);
          return 0;
        }
      }
  
    function _eglGetDisplay(nativeDisplayType) {
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        // Note: As a 'conformant' implementation of EGL, we would prefer to init here only if the user
        //       calls this function with EGL_DEFAULT_DISPLAY. Other display IDs would be preferred to be unsupported
        //       and EGL_NO_DISPLAY returned. Uncomment the following code lines to do this.
        // Instead, an alternative route has been preferred, namely that the Emscripten EGL implementation
        // "emulates" X11, and eglGetDisplay is expected to accept/receive a pointer to an X11 Display object.
        // Therefore, be lax and allow anything to be passed in, and return the magic handle to our default EGLDisplay object.
    
    //    if (nativeDisplayType == 0 /* EGL_DEFAULT_DISPLAY */) {
            return 62000; // Magic ID for Emscripten 'default display'
    //    }
    //    else
    //      return 0; // EGL_NO_DISPLAY
      }
  
    function _eglGetError() { 
        return EGL.errorCode;
      }
  
    function _eglGetProcAddress(name_) {
        return _emscripten_GetProcAddress(name_);
      }
  
    function _eglInitialize(display, majorVersion, minorVersion) {
        if (display == 62000 /* Magic ID for Emscripten 'default display' */) {
          if (majorVersion) {
            HEAP32[((majorVersion)>>2)]=1; // Advertise EGL Major version: '1'
          }
          if (minorVersion) {
            HEAP32[((minorVersion)>>2)]=4; // Advertise EGL Minor version: '4'
          }
          EGL.defaultDisplayInitialized = true;
          EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
          return 1;
        } 
        else {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
      }
  
    function _eglMakeCurrent(display, draw, read, context) { 
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0 /* EGL_FALSE */;
        }
        //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy. 
        if (context != 0 && context != 62004 /* Magic ID for Emscripten EGLContext */) {
          EGL.setErrorCode(0x3006 /* EGL_BAD_CONTEXT */);
          return 0;
        }
        if ((read != 0 && read != 62006) || (draw != 0 && draw != 62006 /* Magic ID for Emscripten 'default surface' */)) {
          EGL.setErrorCode(0x300D /* EGL_BAD_SURFACE */);
          return 0;
        }
    
        GL.makeContextCurrent(context ? EGL.context : null);
    
        EGL.currentContext = context;
        EGL.currentDrawSurface = draw;
        EGL.currentReadSurface = read;
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 1 /* EGL_TRUE */;
      }
  
    function _eglQueryString(display, name) {
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
        //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy. 
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        if (EGL.stringCache[name]) return EGL.stringCache[name];
        var ret;
        switch(name) {
          case 0x3053 /* EGL_VENDOR */: ret = allocate(intArrayFromString("Emscripten"), 'i8', ALLOC_NORMAL); break;
          case 0x3054 /* EGL_VERSION */: ret = allocate(intArrayFromString("1.4 Emscripten EGL"), 'i8', ALLOC_NORMAL); break;
          case 0x3055 /* EGL_EXTENSIONS */:  ret = allocate(intArrayFromString(""), 'i8', ALLOC_NORMAL); break; // Currently not supporting any EGL extensions.
          case 0x308D /* EGL_CLIENT_APIS */: ret = allocate(intArrayFromString("OpenGL_ES"), 'i8', ALLOC_NORMAL); break;
          default:
            EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
            return 0;
        }
        EGL.stringCache[name] = ret;
        return ret;
      }
  
    function _eglSwapBuffers() {
    
        if (!EGL.defaultDisplayInitialized) {
          EGL.setErrorCode(0x3001 /* EGL_NOT_INITIALIZED */);
        } else if (!Module.ctx) {
          EGL.setErrorCode(0x3002 /* EGL_BAD_ACCESS */);
        } else if (Module.ctx.isContextLost()) {
          EGL.setErrorCode(0x300E /* EGL_CONTEXT_LOST */);
        } else {
          // According to documentation this does an implicit flush.
          // Due to discussion at https://github.com/kripken/emscripten/pull/1871
          // the flush was removed since this _may_ result in slowing code down.
          //_glFlush();
          EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
          return 1 /* EGL_TRUE */;
        }
        return 0 /* EGL_FALSE */;
      }
  
    function _eglSwapInterval(display, interval) {
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
        if (interval == 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 0);
        else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, interval);
    
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 1;
      }
  
    function _eglTerminate(display) {
        if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
          EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
          return 0;
        }
        EGL.currentContext = 0;
        EGL.currentReadSurface = 0;
        EGL.currentDrawSurface = 0;
        EGL.defaultDisplayInitialized = false;
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 1;
      }
  
    
    function _eglWaitClient() {
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 1;
      }function _eglWaitGL() {
    return _eglWaitClient.apply(null, arguments)
    }
  
    function _eglWaitNative(nativeEngineId) {
        EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
        return 1;
      }
  
    var _emscripten_asm_const_int=true;
  
    
    
    
    
    function _emscripten_get_canvas_element_size(target, width, height) {
        var canvas = JSEvents.findCanvasEventTarget(target);
        if (!canvas) return -4;
        HEAP32[((width)>>2)]=canvas.width;
        HEAP32[((height)>>2)]=canvas.height;
      }function __get_canvas_element_size(target) {
        var stackTop = stackSave();
        var w = stackAlloc(8);
        var h = w + 4;
    
        var targetInt = stackAlloc(target.id.length+1);
        stringToUTF8(target.id, targetInt, target.id.length+1);
        var ret = _emscripten_get_canvas_element_size(targetInt, w, h);
        var size = [HEAP32[((w)>>2)], HEAP32[((h)>>2)]];
        stackRestore(stackTop);
        return size;
      }
    
    
    function _emscripten_set_canvas_element_size(target, width, height) {
        var canvas = JSEvents.findCanvasEventTarget(target);
        if (!canvas) return -4;
        canvas.width = width;
        canvas.height = height;
        return 0;
      }function __set_canvas_element_size(target, width, height) {
        if (!target.controlTransferredOffscreen) {
          target.width = width;
          target.height = height;
        } else {
          // This function is being called from high-level JavaScript code instead of asm.js/Wasm,
          // and it needs to synchronously proxy over to another thread, so marshal the string onto the heap to do the call.
          var stackTop = stackSave();
          var targetInt = stackAlloc(target.id.length+1);
          stringToUTF8(target.id, targetInt, target.id.length+1);
          _emscripten_set_canvas_element_size(targetInt, width, height);
          stackRestore(stackTop);
        }
      }var JSEvents={keyEvent:0,mouseEvent:0,wheelEvent:0,uiEvent:0,focusEvent:0,deviceOrientationEvent:0,deviceMotionEvent:0,fullscreenChangeEvent:0,pointerlockChangeEvent:0,visibilityChangeEvent:0,touchEvent:0,previousFullscreenElement:null,previousScreenX:null,previousScreenY:null,removeEventListenersRegistered:false,removeAllEventListeners:function () {
          for(var i = JSEvents.eventHandlers.length-1; i >= 0; --i) {
            JSEvents._removeHandler(i);
          }
          JSEvents.eventHandlers = [];
          JSEvents.deferredCalls = [];
        },registerRemoveEventListeners:function () {
          if (!JSEvents.removeEventListenersRegistered) {
            __ATEXIT__.push(JSEvents.removeAllEventListeners);
            JSEvents.removeEventListenersRegistered = true;
          }
        },findEventTarget:function (target) {
          try {
            // The sensible "default" target varies between events, but use window as the default
            // since DOM events mostly can default to that. Specific callback registrations
            // override their own defaults.
            if (!target) return window;
            if (typeof target === "number") target = Pointer_stringify(target);
            if (target === '#window') return window;
            else if (target === '#document') return document;
            else if (target === '#screen') return window.screen;
            else if (target === '#canvas') return Module['canvas'];
            return (typeof target === 'string') ? document.getElementById(target) : target;
          } catch(e) {
            // In Web Workers, some objects above, such as '#document' do not exist. Gracefully
            // return null for them.
            return null;
          }
        },findCanvasEventTarget:function (target) {
          if (typeof target === 'number') target = Pointer_stringify(target);
          if (!target || target === '#canvas') {
            if (typeof GL !== 'undefined' && GL.offscreenCanvases['canvas']) return GL.offscreenCanvases['canvas']; // TODO: Remove this line, target '#canvas' should refer only to Module['canvas'], not to GL.offscreenCanvases['canvas'] - but need stricter tests to be able to remove this line.
            return Module['canvas'];
          }
          if (typeof GL !== 'undefined' && GL.offscreenCanvases[target]) return GL.offscreenCanvases[target];
          return JSEvents.findEventTarget(target);
        },deferredCalls:[],deferCall:function (targetFunction, precedence, argsList) {
          function arraysHaveEqualContent(arrA, arrB) {
            if (arrA.length != arrB.length) return false;
    
            for(var i in arrA) {
              if (arrA[i] != arrB[i]) return false;
            }
            return true;
          }
          // Test if the given call was already queued, and if so, don't add it again.
          for(var i in JSEvents.deferredCalls) {
            var call = JSEvents.deferredCalls[i];
            if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
              return;
            }
          }
          JSEvents.deferredCalls.push({
            targetFunction: targetFunction,
            precedence: precedence,
            argsList: argsList
          });
    
          JSEvents.deferredCalls.sort(function(x,y) { return x.precedence < y.precedence; });
        },removeDeferredCalls:function (targetFunction) {
          for(var i = 0; i < JSEvents.deferredCalls.length; ++i) {
            if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
              JSEvents.deferredCalls.splice(i, 1);
              --i;
            }
          }
        },canPerformEventHandlerRequests:function () {
          return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
        },runDeferredCalls:function () {
          if (!JSEvents.canPerformEventHandlerRequests()) {
            return;
          }
          for(var i = 0; i < JSEvents.deferredCalls.length; ++i) {
            var call = JSEvents.deferredCalls[i];
            JSEvents.deferredCalls.splice(i, 1);
            --i;
            call.targetFunction.apply(this, call.argsList);
          }
        },inEventHandler:0,currentEventHandler:null,eventHandlers:[],isInternetExplorer:function () { return navigator.userAgent.indexOf('MSIE') !== -1 || navigator.appVersion.indexOf('Trident/') > 0; },removeAllHandlersOnTarget:function (target, eventTypeString) {
          for(var i = 0; i < JSEvents.eventHandlers.length; ++i) {
            if (JSEvents.eventHandlers[i].target == target && 
              (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
               JSEvents._removeHandler(i--);
             }
          }
        },_removeHandler:function (i) {
          var h = JSEvents.eventHandlers[i];
          h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
          JSEvents.eventHandlers.splice(i, 1);
        },registerOrRemoveHandler:function (eventHandler) {
          var jsEventHandler = function jsEventHandler(event) {
            // Increment nesting count for the event handler.
            ++JSEvents.inEventHandler;
            JSEvents.currentEventHandler = eventHandler;
            // Process any old deferred calls the user has placed.
            JSEvents.runDeferredCalls();
            // Process the actual event, calls back to user C code handler.
            eventHandler.handlerFunc(event);
            // Process any new deferred calls that were placed right now from this event handler.
            JSEvents.runDeferredCalls();
            // Out of event handler - restore nesting count.
            --JSEvents.inEventHandler;
          }
          
          if (eventHandler.callbackfunc) {
            eventHandler.eventListenerFunc = jsEventHandler;
            eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
            JSEvents.eventHandlers.push(eventHandler);
            JSEvents.registerRemoveEventListeners();
          } else {
            for(var i = 0; i < JSEvents.eventHandlers.length; ++i) {
              if (JSEvents.eventHandlers[i].target == eventHandler.target
               && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
                 JSEvents._removeHandler(i--);
               }
            }
          }
        },registerKeyEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc( 164 );
    
          var keyEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var keyEventData = JSEvents.keyEvent;
            stringToUTF8(e.key ? e.key : "", keyEventData + 0, 32);
            stringToUTF8(e.code ? e.code : "", keyEventData + 32, 32);
            HEAP32[(((keyEventData)+(64))>>2)]=e.location;
            HEAP32[(((keyEventData)+(68))>>2)]=e.ctrlKey;
            HEAP32[(((keyEventData)+(72))>>2)]=e.shiftKey;
            HEAP32[(((keyEventData)+(76))>>2)]=e.altKey;
            HEAP32[(((keyEventData)+(80))>>2)]=e.metaKey;
            HEAP32[(((keyEventData)+(84))>>2)]=e.repeat;
            stringToUTF8(e.locale ? e.locale : "", keyEventData + 88, 32);
            stringToUTF8(e.char ? e.char : "", keyEventData + 120, 32);
            HEAP32[(((keyEventData)+(152))>>2)]=e.charCode;
            HEAP32[(((keyEventData)+(156))>>2)]=e.keyCode;
            HEAP32[(((keyEventData)+(160))>>2)]=e.which;
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, keyEventData, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: JSEvents.isInternetExplorer() ? false : true, // MSIE doesn't allow fullscreen and pointerlock requests from key handlers, others do.
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: keyEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },getBoundingClientRectOrZeros:function (target) {
          return target.getBoundingClientRect ? target.getBoundingClientRect() : { left: 0, top: 0 };
        },fillMouseEventData:function (eventStruct, e, target) {
          HEAPF64[((eventStruct)>>3)]=JSEvents.tick();
          HEAP32[(((eventStruct)+(8))>>2)]=e.screenX;
          HEAP32[(((eventStruct)+(12))>>2)]=e.screenY;
          HEAP32[(((eventStruct)+(16))>>2)]=e.clientX;
          HEAP32[(((eventStruct)+(20))>>2)]=e.clientY;
          HEAP32[(((eventStruct)+(24))>>2)]=e.ctrlKey;
          HEAP32[(((eventStruct)+(28))>>2)]=e.shiftKey;
          HEAP32[(((eventStruct)+(32))>>2)]=e.altKey;
          HEAP32[(((eventStruct)+(36))>>2)]=e.metaKey;
          HEAP16[(((eventStruct)+(40))>>1)]=e.button;
          HEAP16[(((eventStruct)+(42))>>1)]=e.buttons;
          HEAP32[(((eventStruct)+(44))>>2)]=e["movementX"] || e["mozMovementX"] || e["webkitMovementX"] || (e.screenX-JSEvents.previousScreenX);
          HEAP32[(((eventStruct)+(48))>>2)]=e["movementY"] || e["mozMovementY"] || e["webkitMovementY"] || (e.screenY-JSEvents.previousScreenY);
    
          if (Module['canvas']) {
            var rect = Module['canvas'].getBoundingClientRect();
            HEAP32[(((eventStruct)+(60))>>2)]=e.clientX - rect.left;
            HEAP32[(((eventStruct)+(64))>>2)]=e.clientY - rect.top;
          } else { // Canvas is not initialized, return 0.
            HEAP32[(((eventStruct)+(60))>>2)]=0;
            HEAP32[(((eventStruct)+(64))>>2)]=0;
          }
          if (target) {
            var rect = JSEvents.getBoundingClientRectOrZeros(target);
            HEAP32[(((eventStruct)+(52))>>2)]=e.clientX - rect.left;
            HEAP32[(((eventStruct)+(56))>>2)]=e.clientY - rect.top;
          } else { // No specific target passed, return 0.
            HEAP32[(((eventStruct)+(52))>>2)]=0;
            HEAP32[(((eventStruct)+(56))>>2)]=0;
          }
          // wheel and mousewheel events contain wrong screenX/screenY on chrome/opera
          // https://github.com/kripken/emscripten/pull/4997
          // https://bugs.chromium.org/p/chromium/issues/detail?id=699956
          if (e.type !== 'wheel' && e.type !== 'mousewheel') {
            JSEvents.previousScreenX = e.screenX;
            JSEvents.previousScreenY = e.screenY;
          }
        },registerMouseEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc( 72 );
          target = JSEvents.findEventTarget(target);
    
          var mouseEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            // TODO: Make this access thread safe, or this could update live while app is reading it.
            JSEvents.fillMouseEventData(JSEvents.mouseEvent, e, target);
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: eventTypeString != 'mousemove' && eventTypeString != 'mouseenter' && eventTypeString != 'mouseleave', // Mouse move events do not allow fullscreen/pointer lock requests to be handled in them!
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: mouseEventHandlerFunc,
            useCapture: useCapture
          };
          // In IE, mousedown events don't either allow deferred calls to be run!
          if (JSEvents.isInternetExplorer() && eventTypeString == 'mousedown') eventHandler.allowsDeferredCalls = false;
          JSEvents.registerOrRemoveHandler(eventHandler);
        },registerWheelEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc( 104 );
          target = JSEvents.findEventTarget(target);
    
    
          // The DOM Level 3 events spec event 'wheel'
          var wheelHandlerFunc = function(event) {
            var e = event || window.event;
            var wheelEvent = JSEvents.wheelEvent;
            JSEvents.fillMouseEventData(wheelEvent, e, target);
            HEAPF64[(((wheelEvent)+(72))>>3)]=e["deltaX"];
            HEAPF64[(((wheelEvent)+(80))>>3)]=e["deltaY"];
            HEAPF64[(((wheelEvent)+(88))>>3)]=e["deltaZ"];
            HEAP32[(((wheelEvent)+(96))>>2)]=e["deltaMode"];
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, wheelEvent, userData)) e.preventDefault();
          };
          // The 'mousewheel' event as implemented in Safari 6.0.5
          var mouseWheelHandlerFunc = function(event) {
            var e = event || window.event;
            JSEvents.fillMouseEventData(JSEvents.wheelEvent, e, target);
            HEAPF64[(((JSEvents.wheelEvent)+(72))>>3)]=e["wheelDeltaX"] || 0;
            HEAPF64[(((JSEvents.wheelEvent)+(80))>>3)]=-(e["wheelDeltaY"] ? e["wheelDeltaY"] : e["wheelDelta"]) /* 1. Invert to unify direction with the DOM Level 3 wheel event. 2. MSIE does not provide wheelDeltaY, so wheelDelta is used as a fallback. */;
            HEAPF64[(((JSEvents.wheelEvent)+(88))>>3)]=0 /* Not available */;
            HEAP32[(((JSEvents.wheelEvent)+(96))>>2)]=0 /* DOM_DELTA_PIXEL */;
            var shouldCancel = Module['dynCall_iiii'](callbackfunc, eventTypeId, JSEvents.wheelEvent, userData);
            if (shouldCancel) {
              e.preventDefault();
            }
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: true,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: (eventTypeString == 'wheel') ? wheelHandlerFunc : mouseWheelHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },pageScrollPos:function () {
          if (window.pageXOffset > 0 || window.pageYOffset > 0) {
            return [window.pageXOffset, window.pageYOffset];
          }
          if (typeof document.documentElement.scrollLeft !== 'undefined' || typeof document.documentElement.scrollTop !== 'undefined') {
            return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
          }
          return [document.body.scrollLeft|0, document.body.scrollTop|0];
        },registerUiEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.uiEvent) JSEvents.uiEvent = _malloc( 36 );
    
          if (eventTypeString == "scroll" && !target) {
            target = document; // By default read scroll events on document rather than window.
          } else {
            target = JSEvents.findEventTarget(target);
          }
    
          var uiEventHandlerFunc = function(event) {
            var e = event || window.event;
            if (e.target != target) {
              // Never take ui events such as scroll via a 'bubbled' route, but always from the direct element that
              // was targeted. Otherwise e.g. if app logs a message in response to a page scroll, the Emscripten log
              // message box could cause to scroll, generating a new (bubbled) scroll message, causing a new log print,
              // causing a new scroll, etc..
              return;
            }
            var scrollPos = JSEvents.pageScrollPos();
    
            var uiEvent = JSEvents.uiEvent;
            HEAP32[((uiEvent)>>2)]=e.detail;
            HEAP32[(((uiEvent)+(4))>>2)]=document.body.clientWidth;
            HEAP32[(((uiEvent)+(8))>>2)]=document.body.clientHeight;
            HEAP32[(((uiEvent)+(12))>>2)]=window.innerWidth;
            HEAP32[(((uiEvent)+(16))>>2)]=window.innerHeight;
            HEAP32[(((uiEvent)+(20))>>2)]=window.outerWidth;
            HEAP32[(((uiEvent)+(24))>>2)]=window.outerHeight;
            HEAP32[(((uiEvent)+(28))>>2)]=scrollPos[0];
            HEAP32[(((uiEvent)+(32))>>2)]=scrollPos[1];
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, uiEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: false, // Neither scroll or resize events allow running requests inside them.
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: uiEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },getNodeNameForTarget:function (target) {
          if (!target) return '';
          if (target == window) return '#window';
          if (target == window.screen) return '#screen';
          return (target && target.nodeName) ? target.nodeName : '';
        },registerFocusEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.focusEvent) JSEvents.focusEvent = _malloc( 256 );
    
          var focusEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var nodeName = JSEvents.getNodeNameForTarget(e.target);
            var id = e.target.id ? e.target.id : '';
    
            var focusEvent = JSEvents.focusEvent;
            stringToUTF8(nodeName, focusEvent + 0, 128);
            stringToUTF8(id, focusEvent + 128, 128);
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, focusEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: focusEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },tick:function () {
          if (window['performance'] && window['performance']['now']) return window['performance']['now']();
          else return Date.now();
        },fillDeviceOrientationEventData:function (eventStruct, e, target) {
          HEAPF64[((eventStruct)>>3)]=JSEvents.tick();
          HEAPF64[(((eventStruct)+(8))>>3)]=e.alpha;
          HEAPF64[(((eventStruct)+(16))>>3)]=e.beta;
          HEAPF64[(((eventStruct)+(24))>>3)]=e.gamma;
          HEAP32[(((eventStruct)+(32))>>2)]=e.absolute;
        },registerDeviceOrientationEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.deviceOrientationEvent) JSEvents.deviceOrientationEvent = _malloc( 40 );
    
          var deviceOrientationEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            JSEvents.fillDeviceOrientationEventData(JSEvents.deviceOrientationEvent, e, target); // TODO: Thread-safety with respect to emscripten_get_deviceorientation_status()
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, JSEvents.deviceOrientationEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: deviceOrientationEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },fillDeviceMotionEventData:function (eventStruct, e, target) {
          HEAPF64[((eventStruct)>>3)]=JSEvents.tick();
          HEAPF64[(((eventStruct)+(8))>>3)]=e.acceleration.x;
          HEAPF64[(((eventStruct)+(16))>>3)]=e.acceleration.y;
          HEAPF64[(((eventStruct)+(24))>>3)]=e.acceleration.z;
          HEAPF64[(((eventStruct)+(32))>>3)]=e.accelerationIncludingGravity.x;
          HEAPF64[(((eventStruct)+(40))>>3)]=e.accelerationIncludingGravity.y;
          HEAPF64[(((eventStruct)+(48))>>3)]=e.accelerationIncludingGravity.z;
          HEAPF64[(((eventStruct)+(56))>>3)]=e.rotationRate.alpha;
          HEAPF64[(((eventStruct)+(64))>>3)]=e.rotationRate.beta;
          HEAPF64[(((eventStruct)+(72))>>3)]=e.rotationRate.gamma;
        },registerDeviceMotionEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.deviceMotionEvent) JSEvents.deviceMotionEvent = _malloc( 80 );
    
          var deviceMotionEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            JSEvents.fillDeviceMotionEventData(JSEvents.deviceMotionEvent, e, target); // TODO: Thread-safety with respect to emscripten_get_devicemotion_status()
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, JSEvents.deviceMotionEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: deviceMotionEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },screenOrientation:function () {
          if (!window.screen) return undefined;
          return window.screen.orientation || window.screen.mozOrientation || window.screen.webkitOrientation || window.screen.msOrientation;
        },fillOrientationChangeEventData:function (eventStruct, e) {
          var orientations  = ["portrait-primary", "portrait-secondary", "landscape-primary", "landscape-secondary"];
          var orientations2 = ["portrait",         "portrait",           "landscape",         "landscape"];
    
          var orientationString = JSEvents.screenOrientation();
          var orientation = orientations.indexOf(orientationString);
          if (orientation == -1) {
            orientation = orientations2.indexOf(orientationString);
          }
    
          HEAP32[((eventStruct)>>2)]=1 << orientation;
          HEAP32[(((eventStruct)+(4))>>2)]=window.orientation;
        },registerOrientationChangeEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.orientationChangeEvent) JSEvents.orientationChangeEvent = _malloc( 8 );
    
          if (!target) {
            target = window.screen; // Orientation events need to be captured from 'window.screen' instead of 'window'
          } else {
            target = JSEvents.findEventTarget(target);
          }
    
          var orientationChangeEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var orientationChangeEvent = JSEvents.orientationChangeEvent;
    
            JSEvents.fillOrientationChangeEventData(orientationChangeEvent, e);
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, orientationChangeEvent, userData)) e.preventDefault();
          };
    
          if (eventTypeString == "orientationchange" && window.screen.mozOrientation !== undefined) {
            eventTypeString = "mozorientationchange";
          }
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: orientationChangeEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },fullscreenEnabled:function () {
          return document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled || document.msFullscreenEnabled;
        },fillFullscreenChangeEventData:function (eventStruct, e) {
          var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
          var isFullscreen = !!fullscreenElement;
          HEAP32[((eventStruct)>>2)]=isFullscreen;
          HEAP32[(((eventStruct)+(4))>>2)]=JSEvents.fullscreenEnabled();
          // If transitioning to fullscreen, report info about the element that is now fullscreen.
          // If transitioning to windowed mode, report info about the element that just was fullscreen.
          var reportedElement = isFullscreen ? fullscreenElement : JSEvents.previousFullscreenElement;
          var nodeName = JSEvents.getNodeNameForTarget(reportedElement);
          var id = (reportedElement && reportedElement.id) ? reportedElement.id : '';
          stringToUTF8(nodeName, eventStruct + 8, 128);
          stringToUTF8(id, eventStruct + 136, 128);
          HEAP32[(((eventStruct)+(264))>>2)]=reportedElement ? reportedElement.clientWidth : 0;
          HEAP32[(((eventStruct)+(268))>>2)]=reportedElement ? reportedElement.clientHeight : 0;
          HEAP32[(((eventStruct)+(272))>>2)]=screen.width;
          HEAP32[(((eventStruct)+(276))>>2)]=screen.height;
          if (isFullscreen) {
            JSEvents.previousFullscreenElement = fullscreenElement;
          }
        },registerFullscreenChangeEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc( 280 );
    
          if (!target) target = document; // Fullscreen change events need to be captured from 'document' by default instead of 'window'
          else target = JSEvents.findEventTarget(target);
    
          var fullscreenChangeEventhandlerFunc = function(event) {
            var e = event || window.event;
    
            var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
    
            JSEvents.fillFullscreenChangeEventData(fullscreenChangeEvent, e);
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: fullscreenChangeEventhandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },resizeCanvasForFullscreen:function (target, strategy) {
          var restoreOldStyle = __registerRestoreOldStyle(target);
          var cssWidth = strategy.softFullscreen ? window.innerWidth : screen.width;
          var cssHeight = strategy.softFullscreen ? window.innerHeight : screen.height;
          var rect = target.getBoundingClientRect();
          var windowedCssWidth = rect.right - rect.left;
          var windowedCssHeight = rect.bottom - rect.top;
          var canvasSize = __get_canvas_element_size(target);
          var windowedRttWidth = canvasSize[0];
          var windowedRttHeight = canvasSize[1];
    
          if (strategy.scaleMode == 3) {
            __setLetterbox(target, (cssHeight - windowedCssHeight) / 2, (cssWidth - windowedCssWidth) / 2);
            cssWidth = windowedCssWidth;
            cssHeight = windowedCssHeight;
          } else if (strategy.scaleMode == 2) {
            if (cssWidth*windowedRttHeight < windowedRttWidth*cssHeight) {
              var desiredCssHeight = windowedRttHeight * cssWidth / windowedRttWidth;
              __setLetterbox(target, (cssHeight - desiredCssHeight) / 2, 0);
              cssHeight = desiredCssHeight;
            } else {
              var desiredCssWidth = windowedRttWidth * cssHeight / windowedRttHeight;
              __setLetterbox(target, 0, (cssWidth - desiredCssWidth) / 2);
              cssWidth = desiredCssWidth;
            }
          }
    
          // If we are adding padding, must choose a background color or otherwise Chrome will give the
          // padding a default white color. Do it only if user has not customized their own background color.
          if (!target.style.backgroundColor) target.style.backgroundColor = 'black';
          // IE11 does the same, but requires the color to be set in the document body.
          if (!document.body.style.backgroundColor) document.body.style.backgroundColor = 'black'; // IE11
          // Firefox always shows black letterboxes independent of style color.
    
          target.style.width = cssWidth + 'px';
          target.style.height = cssHeight + 'px';
    
          if (strategy.filteringMode == 1) {
            target.style.imageRendering = 'optimizeSpeed';
            target.style.imageRendering = '-moz-crisp-edges';
            target.style.imageRendering = '-o-crisp-edges';
            target.style.imageRendering = '-webkit-optimize-contrast';
            target.style.imageRendering = 'optimize-contrast';
            target.style.imageRendering = 'crisp-edges';
            target.style.imageRendering = 'pixelated';
          }
    
          var dpiScale = (strategy.canvasResolutionScaleMode == 2) ? window.devicePixelRatio : 1;
          if (strategy.canvasResolutionScaleMode != 0) {
            var newWidth = (cssWidth * dpiScale)|0;
            var newHeight = (cssHeight * dpiScale)|0;
            __set_canvas_element_size(target, newWidth, newHeight);
            if (target.GLctxObject) target.GLctxObject.GLctx.viewport(0, 0, newWidth, newHeight);
          }
          return restoreOldStyle;
        },requestFullscreen:function (target, strategy) {
          // EMSCRIPTEN_FULLSCREEN_SCALE_DEFAULT + EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_NONE is a mode where no extra logic is performed to the DOM elements.
          if (strategy.scaleMode != 0 || strategy.canvasResolutionScaleMode != 0) {
            JSEvents.resizeCanvasForFullscreen(target, strategy);
          }
    
          if (target.requestFullscreen) {
            target.requestFullscreen();
          } else if (target.msRequestFullscreen) {
            target.msRequestFullscreen();
          } else if (target.mozRequestFullScreen) {
            target.mozRequestFullScreen();
          } else if (target.mozRequestFullscreen) {
            target.mozRequestFullscreen();
          } else if (target.webkitRequestFullscreen) {
            target.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
          } else {
            if (typeof JSEvents.fullscreenEnabled() === 'undefined') {
              return -1;
            } else {
              return -3;
            }
          }
    
          if (strategy.canvasResizedCallback) {
            Module['dynCall_iiii'](strategy.canvasResizedCallback, 37, 0, strategy.canvasResizedCallbackUserData);
          }
    
          return 0;
        },fillPointerlockChangeEventData:function (eventStruct, e) {
          var pointerLockElement = document.pointerLockElement || document.mozPointerLockElement || document.webkitPointerLockElement || document.msPointerLockElement;
          var isPointerlocked = !!pointerLockElement;
          HEAP32[((eventStruct)>>2)]=isPointerlocked;
          var nodeName = JSEvents.getNodeNameForTarget(pointerLockElement);
          var id = (pointerLockElement && pointerLockElement.id) ? pointerLockElement.id : '';
          stringToUTF8(nodeName, eventStruct + 4, 128);
          stringToUTF8(id, eventStruct + 132, 128);
        },registerPointerlockChangeEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.pointerlockChangeEvent) JSEvents.pointerlockChangeEvent = _malloc( 260 );
    
          if (!target) target = document; // Pointer lock change events need to be captured from 'document' by default instead of 'window'
          else target = JSEvents.findEventTarget(target);
    
          var pointerlockChangeEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent;
            JSEvents.fillPointerlockChangeEventData(pointerlockChangeEvent, e);
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: pointerlockChangeEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },registerPointerlockErrorEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) {
          if (!target) target = document; // Pointer lock events need to be captured from 'document' by default instead of 'window'
          else target = JSEvents.findEventTarget(target);
    
          var pointerlockErrorEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, 0, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: pointerlockErrorEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },requestPointerLock:function (target) {
          if (target.requestPointerLock) {
            target.requestPointerLock();
          } else if (target.mozRequestPointerLock) {
            target.mozRequestPointerLock();
          } else if (target.webkitRequestPointerLock) {
            target.webkitRequestPointerLock();
          } else if (target.msRequestPointerLock) {
            target.msRequestPointerLock();
          } else {
            // document.body is known to accept pointer lock, so use that to differentiate if the user passed a bad element,
            // or if the whole browser just doesn't support the feature.
            if (document.body.requestPointerLock || document.body.mozRequestPointerLock || document.body.webkitRequestPointerLock || document.body.msRequestPointerLock) {
              return -3;
            } else {
              return -1;
            }
          }
          return 0;
        },fillVisibilityChangeEventData:function (eventStruct, e) {
          var visibilityStates = [ "hidden", "visible", "prerender", "unloaded" ];
          var visibilityState = visibilityStates.indexOf(document.visibilityState);
    
          HEAP32[((eventStruct)>>2)]=document.hidden;
          HEAP32[(((eventStruct)+(4))>>2)]=visibilityState;
        },registerVisibilityChangeEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.visibilityChangeEvent) JSEvents.visibilityChangeEvent = _malloc( 8 );
    
          if (!target) target = document; // Visibility change events need to be captured from 'document' by default instead of 'window'
          else target = JSEvents.findEventTarget(target);
    
          var visibilityChangeEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var visibilityChangeEvent = JSEvents.visibilityChangeEvent;
    
            JSEvents.fillVisibilityChangeEventData(visibilityChangeEvent, e);
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, visibilityChangeEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: visibilityChangeEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },registerTouchEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.touchEvent) JSEvents.touchEvent = _malloc( 1684 );
    
          target = JSEvents.findEventTarget(target);
    
          var touchEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var touches = {};
            for(var i = 0; i < e.touches.length; ++i) {
              var touch = e.touches[i];
              touches[touch.identifier] = touch;
            }
            for(var i = 0; i < e.changedTouches.length; ++i) {
              var touch = e.changedTouches[i];
              touches[touch.identifier] = touch;
              touch.changed = true;
            }
            for(var i = 0; i < e.targetTouches.length; ++i) {
              var touch = e.targetTouches[i];
              touches[touch.identifier].onTarget = true;
            }
    
            var touchEvent = JSEvents.touchEvent;
            var ptr = touchEvent;
            HEAP32[(((ptr)+(4))>>2)]=e.ctrlKey;
            HEAP32[(((ptr)+(8))>>2)]=e.shiftKey;
            HEAP32[(((ptr)+(12))>>2)]=e.altKey;
            HEAP32[(((ptr)+(16))>>2)]=e.metaKey;
            ptr += 20; // Advance to the start of the touch array.
            var canvasRect = Module['canvas'] ? Module['canvas'].getBoundingClientRect() : undefined;
            var targetRect = JSEvents.getBoundingClientRectOrZeros(target);
            var numTouches = 0;
            for(var i in touches) {
              var t = touches[i];
              HEAP32[((ptr)>>2)]=t.identifier;
              HEAP32[(((ptr)+(4))>>2)]=t.screenX;
              HEAP32[(((ptr)+(8))>>2)]=t.screenY;
              HEAP32[(((ptr)+(12))>>2)]=t.clientX;
              HEAP32[(((ptr)+(16))>>2)]=t.clientY;
              HEAP32[(((ptr)+(20))>>2)]=t.pageX;
              HEAP32[(((ptr)+(24))>>2)]=t.pageY;
              HEAP32[(((ptr)+(28))>>2)]=t.changed;
              HEAP32[(((ptr)+(32))>>2)]=t.onTarget;
              if (canvasRect) {
                HEAP32[(((ptr)+(44))>>2)]=t.clientX - canvasRect.left;
                HEAP32[(((ptr)+(48))>>2)]=t.clientY - canvasRect.top;
              } else {
                HEAP32[(((ptr)+(44))>>2)]=0;
                HEAP32[(((ptr)+(48))>>2)]=0;            
              }
              HEAP32[(((ptr)+(36))>>2)]=t.clientX - targetRect.left;
              HEAP32[(((ptr)+(40))>>2)]=t.clientY - targetRect.top;
              
              ptr += 52;
    
              if (++numTouches >= 32) {
                break;
              }
            }
            HEAP32[((touchEvent)>>2)]=numTouches;
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, touchEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: target,
            allowsDeferredCalls: eventTypeString == 'touchstart' || eventTypeString == 'touchend',
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: touchEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },fillGamepadEventData:function (eventStruct, e) {
          HEAPF64[((eventStruct)>>3)]=e.timestamp;
          for(var i = 0; i < e.axes.length; ++i) {
            HEAPF64[(((eventStruct+i*8)+(16))>>3)]=e.axes[i];
          }
          for(var i = 0; i < e.buttons.length; ++i) {
            if (typeof(e.buttons[i]) === 'object') {
              HEAPF64[(((eventStruct+i*8)+(528))>>3)]=e.buttons[i].value;
            } else {
              HEAPF64[(((eventStruct+i*8)+(528))>>3)]=e.buttons[i];
            }
          }
          for(var i = 0; i < e.buttons.length; ++i) {
            if (typeof(e.buttons[i]) === 'object') {
              HEAP32[(((eventStruct+i*4)+(1040))>>2)]=e.buttons[i].pressed;
            } else {
              HEAP32[(((eventStruct+i*4)+(1040))>>2)]=e.buttons[i] == 1.0;
            }
          }
          HEAP32[(((eventStruct)+(1296))>>2)]=e.connected;
          HEAP32[(((eventStruct)+(1300))>>2)]=e.index;
          HEAP32[(((eventStruct)+(8))>>2)]=e.axes.length;
          HEAP32[(((eventStruct)+(12))>>2)]=e.buttons.length;
          stringToUTF8(e.id, eventStruct + 1304, 64);
          stringToUTF8(e.mapping, eventStruct + 1368, 64);
        },registerGamepadEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.gamepadEvent) JSEvents.gamepadEvent = _malloc( 1432 );
    
          var gamepadEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var gamepadEvent = JSEvents.gamepadEvent;
            JSEvents.fillGamepadEventData(gamepadEvent, e.gamepad);
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, gamepadEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: true,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: gamepadEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },registerBeforeUnloadEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) {
          var beforeUnloadEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            // Note: This is always called on the main browser thread, since it needs synchronously return a value!
            var confirmationMessage = Module['dynCall_iiii'](callbackfunc, eventTypeId, 0, userData);
            
            if (confirmationMessage) {
              confirmationMessage = Pointer_stringify(confirmationMessage);
            }
            if (confirmationMessage) {
              e.preventDefault();
              e.returnValue = confirmationMessage;
              return confirmationMessage;
            }
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: beforeUnloadEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },battery:function () { return navigator.battery || navigator.mozBattery || navigator.webkitBattery; },fillBatteryEventData:function (eventStruct, e) {
          HEAPF64[((eventStruct)>>3)]=e.chargingTime;
          HEAPF64[(((eventStruct)+(8))>>3)]=e.dischargingTime;
          HEAPF64[(((eventStruct)+(16))>>3)]=e.level;
          HEAP32[(((eventStruct)+(24))>>2)]=e.charging;
        },registerBatteryEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!JSEvents.batteryEvent) JSEvents.batteryEvent = _malloc( 32 );
    
          var batteryEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            var batteryEvent = JSEvents.batteryEvent;
            JSEvents.fillBatteryEventData(batteryEvent, JSEvents.battery());
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, batteryEvent, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: batteryEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        },registerWebGlEventCallback:function (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
          if (!target) target = Module['canvas'];
    
          var webGlEventHandlerFunc = function(event) {
            var e = event || window.event;
    
            if (Module['dynCall_iiii'](callbackfunc, eventTypeId, 0, userData)) e.preventDefault();
          };
    
          var eventHandler = {
            target: JSEvents.findEventTarget(target),
            allowsDeferredCalls: false,
            eventTypeString: eventTypeString,
            callbackfunc: callbackfunc,
            handlerFunc: webGlEventHandlerFunc,
            useCapture: useCapture
          };
          JSEvents.registerOrRemoveHandler(eventHandler);
        }};var __currentFullscreenStrategy={};function _emscripten_exit_fullscreen() {
        if (typeof JSEvents.fullscreenEnabled() === 'undefined') return -1;
        // Make sure no queued up calls will fire after this.
        JSEvents.removeDeferredCalls(JSEvents.requestFullscreen);
    
        if (document.exitFullscreen) {
          document.exitFullscreen();
        } else if (document.msExitFullscreen) {
          document.msExitFullscreen();
        } else if (document.mozCancelFullScreen) {
          document.mozCancelFullScreen();
        } else if (document.webkitExitFullscreen) {
          document.webkitExitFullscreen();
        } else {
          return -1;
        }
    
        if (__currentFullscreenStrategy.canvasResizedCallback) {
          Module['dynCall_iiii'](__currentFullscreenStrategy.canvasResizedCallback, 37, 0, __currentFullscreenStrategy.canvasResizedCallbackUserData);
        }
    
        return 0;
      }
  
    function _emscripten_exit_pointerlock() {
        // Make sure no queued up calls will fire after this.
        JSEvents.removeDeferredCalls(JSEvents.requestPointerLock);
    
        if (document.exitPointerLock) {
          document.exitPointerLock();
        } else if (document.msExitPointerLock) {
          document.msExitPointerLock();
        } else if (document.mozExitPointerLock) {
          document.mozExitPointerLock();
        } else if (document.webkitExitPointerLock) {
          document.webkitExitPointerLock();
        } else {
          return -1;
        }
        return 0;
      }
  
    function _emscripten_get_device_pixel_ratio() {
        return window.devicePixelRatio || 1.0;
      }
  
    function _emscripten_get_element_css_size(target, width, height) {
        if (target) target = JSEvents.findEventTarget(target);
        else target = Module['canvas'];
        if (!target) return -4;
    
        if (target.getBoundingClientRect) {
          var rect = target.getBoundingClientRect();
          HEAPF64[((width)>>3)]=rect.right - rect.left;
          HEAPF64[((height)>>3)]=rect.bottom - rect.top;
        } else {
          HEAPF64[((width)>>3)]=target.clientWidth;
          HEAPF64[((height)>>3)]=target.clientHeight;
        }
    
        return 0;
      }
  
    function _emscripten_get_gamepad_status(index, gamepadState) {
        if (!JSEvents.lastGamepadState) throw 'emscripten_get_gamepad_status() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!';
    
        // INVALID_PARAM is returned on a Gamepad index that never was there.
        if (index < 0 || index >= JSEvents.lastGamepadState.length) return -5;
    
        // NO_DATA is returned on a Gamepad index that was removed.
        // For previously disconnected gamepads there should be an empty slot (null/undefined/false) at the index.
        // This is because gamepads must keep their original position in the array.
        // For example, removing the first of two gamepads produces [null/undefined/false, gamepad].
        if (!JSEvents.lastGamepadState[index]) return -7;
    
        JSEvents.fillGamepadEventData(gamepadState, JSEvents.lastGamepadState[index]);
        return 0;
      }
  
    function _emscripten_get_num_gamepads() {
        if (!JSEvents.lastGamepadState) throw 'emscripten_get_num_gamepads() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!';
        // N.B. Do not call emscripten_get_num_gamepads() unless having first called emscripten_sample_gamepad_data(), and that has returned EMSCRIPTEN_RESULT_SUCCESS.
        // Otherwise the following line will throw an exception.
        return JSEvents.lastGamepadState.length;
      }
  
    function _emscripten_get_preloaded_image_data(path, w, h) {
        if ((path | 0) === path) path = UTF8ToString(path);
    
        path = PATH.resolve(path);
    
        var canvas = Module["preloadedImages"][path];
        if (canvas) {
          var ctx = canvas.getContext("2d");
          var image = ctx.getImageData(0, 0, canvas.width, canvas.height);
          var buf = _malloc(canvas.width * canvas.height * 4);
    
          HEAPU8.set(image.data, buf);
    
          HEAP32[((w)>>2)]=canvas.width;
          HEAP32[((h)>>2)]=canvas.height;
          return buf;
        }
    
        return 0;
      }
  
    function _emscripten_get_preloaded_image_data_from_FILE(file, w, h) {
        var fd = Module['_fileno'](file);
        var stream = FS.getStream(fd);
        if (stream) {
          return _emscripten_get_preloaded_image_data(stream.path, w, h);
        }
    
        return 0;
      }
  
    function _emscripten_glAccum() {
    err('missing function: emscripten_glAccum'); abort(-1);
    }
  
    function _emscripten_glActiveTexture(x0) { GLctx['activeTexture'](x0) }
  
    function _emscripten_glAreTexturesResident() {
    err('missing function: emscripten_glAreTexturesResident'); abort(-1);
    }
  
    function _emscripten_glArrayElement() {
    err('missing function: emscripten_glArrayElement'); abort(-1);
    }
  
    function _emscripten_glAttachObjectARB() {
    err('missing function: emscripten_glAttachObjectARB'); abort(-1);
    }
  
    function _emscripten_glAttachShader(program, shader) {
        GLctx.attachShader(GL.programs[program],
                                GL.shaders[shader]);
      }
  
    function _emscripten_glBeginConditionalRender() {
    err('missing function: emscripten_glBeginConditionalRender'); abort(-1);
    }
  
    function _emscripten_glBeginQuery(target, id) {
        GLctx['beginQuery'](target, id ? GL.queries[id] : null);
      }
  
    function _emscripten_glBeginTransformFeedback(x0) { GLctx['beginTransformFeedback'](x0) }
  
    function _emscripten_glBindAttribLocation(program, index, name) {
        name = UTF8ToString(name);
        GLctx.bindAttribLocation(GL.programs[program], index, name);
      }
  
    function _emscripten_glBindBuffer(target, buffer) {
        var bufferObj = buffer ? GL.buffers[buffer] : null;
    
    
        if (target == 0x88EB /*GL_PIXEL_PACK_BUFFER*/) {
          // In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2 API function call when a buffer is bound to
          // GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that binding point is non-null to know what is
          // the proper API function to call.
          GLctx.currentPixelPackBufferBinding = buffer;
        } else if (target == 0x88EC /*GL_PIXEL_UNPACK_BUFFER*/) {
          // In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to
          // use a different WebGL 2 API function call when a buffer is bound to
          // GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that
          // binding point is non-null to know what is the proper API function to
          // call.
          GLctx.currentPixelUnpackBufferBinding = buffer;
        }
        GLctx.bindBuffer(target, bufferObj);
      }
  
    function _emscripten_glBindBufferBase(target, index, buffer) {
        var bufferObj = buffer ? GL.buffers[buffer] : null;
        GLctx['bindBufferBase'](target, index, bufferObj);
      }
  
    function _emscripten_glBindBufferRange(target, index, buffer, offset, ptrsize) {
        var bufferObj = buffer ? GL.buffers[buffer] : null;
        GLctx['bindBufferRange'](target, index, bufferObj, offset, ptrsize);
      }
  
    function _emscripten_glBindFragDataLocation() {
    err('missing function: emscripten_glBindFragDataLocation'); abort(-1);
    }
  
    function _emscripten_glBindFramebuffer(target, framebuffer) {
    
        GLctx.bindFramebuffer(target, framebuffer ? GL.framebuffers[framebuffer] : null);
    
      }
  
    function _emscripten_glBindProgramARB() {
    err('missing function: emscripten_glBindProgramARB'); abort(-1);
    }
  
    function _emscripten_glBindRenderbuffer(target, renderbuffer) {
        GLctx.bindRenderbuffer(target, renderbuffer ? GL.renderbuffers[renderbuffer] : null);
      }
  
    function _emscripten_glBindTexture(target, texture) {
        GLctx.bindTexture(target, texture ? GL.textures[texture] : null);
      }
  
    function _emscripten_glBindVertexArray(vao) {
        GLctx['bindVertexArray'](GL.vaos[vao]);
      }
  
    function _emscripten_glBitmap() {
    err('missing function: emscripten_glBitmap'); abort(-1);
    }
  
    function _emscripten_glBlendColor(x0, x1, x2, x3) { GLctx['blendColor'](x0, x1, x2, x3) }
  
    function _emscripten_glBlendEquation(x0) { GLctx['blendEquation'](x0) }
  
    function _emscripten_glBlendEquationSeparate(x0, x1) { GLctx['blendEquationSeparate'](x0, x1) }
  
    function _emscripten_glBlendFunc(x0, x1) { GLctx['blendFunc'](x0, x1) }
  
    function _emscripten_glBlendFuncSeparate(x0, x1, x2, x3) { GLctx['blendFuncSeparate'](x0, x1, x2, x3) }
  
    function _emscripten_glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) { GLctx['blitFramebuffer'](x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) }
  
    function _emscripten_glBufferData(target, size, data, usage) {
        if (!data) {
          GLctx.bufferData(target, size, usage);
        } else {
          if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
            GLctx.bufferData(target, HEAPU8, usage, data, size);
            return;
          }
          GLctx.bufferData(target, HEAPU8.subarray(data, data+size), usage);
        }
      }
  
    function _emscripten_glBufferSubData(target, offset, size, data) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.bufferSubData(target, offset, HEAPU8, data, size);
          return;
        }
        GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size));
      }
  
    function _emscripten_glCallList() {
    err('missing function: emscripten_glCallList'); abort(-1);
    }
  
    function _emscripten_glCallLists() {
    err('missing function: emscripten_glCallLists'); abort(-1);
    }
  
    function _emscripten_glCheckFramebufferStatus(x0) { return GLctx['checkFramebufferStatus'](x0) }
  
    function _emscripten_glClampColor() {
    err('missing function: emscripten_glClampColor'); abort(-1);
    }
  
    function _emscripten_glClear(x0) { GLctx['clear'](x0) }
  
    function _emscripten_glClearAccum() {
    err('missing function: emscripten_glClearAccum'); abort(-1);
    }
  
    function _emscripten_glClearBufferfi(x0, x1, x2, x3) { GLctx['clearBufferfi'](x0, x1, x2, x3) }
  
    function _emscripten_glClearBufferfv(buffer, drawbuffer, value) {
    
        GLctx['clearBufferfv'](buffer, drawbuffer, HEAPF32, value>>2);
      }
  
    function _emscripten_glClearBufferiv(buffer, drawbuffer, value) {
    
        GLctx['clearBufferiv'](buffer, drawbuffer, HEAP32, value>>2);
      }
  
    function _emscripten_glClearBufferuiv(buffer, drawbuffer, value) {
    
        GLctx['clearBufferuiv'](buffer, drawbuffer, HEAPU32, value>>2);
      }
  
    function _emscripten_glClearColor(x0, x1, x2, x3) { GLctx['clearColor'](x0, x1, x2, x3) }
  
    function _emscripten_glClearDepth(x0) { GLctx['clearDepth'](x0) }
  
    function _emscripten_glClearDepthf(x0) { GLctx['clearDepth'](x0) }
  
    function _emscripten_glClearIndex() {
    err('missing function: emscripten_glClearIndex'); abort(-1);
    }
  
    function _emscripten_glClearStencil(x0) { GLctx['clearStencil'](x0) }
  
    function _emscripten_glClipPlane() {
    err('missing function: emscripten_glClipPlane'); abort(-1);
    }
  
    function _emscripten_glColorMask(red, green, blue, alpha) {
        GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
      }
  
    function _emscripten_glColorMaski() {
    err('missing function: emscripten_glColorMaski'); abort(-1);
    }
  
    function _emscripten_glColorMaterial() {
    err('missing function: emscripten_glColorMaterial'); abort(-1);
    }
  
    function _emscripten_glColorSubTable() {
    err('missing function: emscripten_glColorSubTable'); abort(-1);
    }
  
    function _emscripten_glColorTable() {
    err('missing function: emscripten_glColorTable'); abort(-1);
    }
  
    function _emscripten_glColorTableParameterfv() {
    err('missing function: emscripten_glColorTableParameterfv'); abort(-1);
    }
  
    function _emscripten_glColorTableParameteriv() {
    err('missing function: emscripten_glColorTableParameteriv'); abort(-1);
    }
  
    function _emscripten_glCompileShader(shader) {
        GLctx.compileShader(GL.shaders[shader]);
      }
  
    function _emscripten_glCompressedTexImage1D() {
    err('missing function: emscripten_glCompressedTexImage1D'); abort(-1);
    }
  
    function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          if (GLctx.currentPixelUnpackBufferBinding) {
            GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, imageSize, data);
          } else {
            GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, HEAPU8, data, imageSize);
          }
          return;
        }
        GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, data ? HEAPU8.subarray((data),(data+imageSize)) : null);
      }
  
    function _emscripten_glCompressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          if (GLctx.currentPixelUnpackBufferBinding) {
            GLctx['compressedTexImage3D'](target, level, internalFormat, width, height, depth, border, imageSize, data);
          } else {
            GLctx['compressedTexImage3D'](target, level, internalFormat, width, height, depth, border, HEAPU8, data, imageSize);
          }
        } else {
          GLctx['compressedTexImage3D'](target, level, internalFormat, width, height, depth, border, data ? HEAPU8.subarray((data),(data+imageSize)) : null);
        }
      }
  
    function _emscripten_glCompressedTexSubImage1D() {
    err('missing function: emscripten_glCompressedTexSubImage1D'); abort(-1);
    }
  
    function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          if (GLctx.currentPixelUnpackBufferBinding) {
            GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, imageSize, data);
          } else {
            GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, HEAPU8, data, imageSize);
          }
          return;
        }
        GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray((data),(data+imageSize)) : null);
      }
  
    function _emscripten_glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          if (GLctx.currentPixelUnpackBufferBinding) {
            GLctx['compressedTexSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
          } else {
            GLctx['compressedTexSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, HEAPU8, data, imageSize);
          }
        } else {
          GLctx['compressedTexSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, data ? HEAPU8.subarray((data),(data+imageSize)) : null);
        }
      }
  
    function _emscripten_glConvolutionFilter1D() {
    err('missing function: emscripten_glConvolutionFilter1D'); abort(-1);
    }
  
    function _emscripten_glConvolutionFilter2D() {
    err('missing function: emscripten_glConvolutionFilter2D'); abort(-1);
    }
  
    function _emscripten_glConvolutionParameterf() {
    err('missing function: emscripten_glConvolutionParameterf'); abort(-1);
    }
  
    function _emscripten_glConvolutionParameterfv() {
    err('missing function: emscripten_glConvolutionParameterfv'); abort(-1);
    }
  
    function _emscripten_glConvolutionParameteri() {
    err('missing function: emscripten_glConvolutionParameteri'); abort(-1);
    }
  
    function _emscripten_glConvolutionParameteriv() {
    err('missing function: emscripten_glConvolutionParameteriv'); abort(-1);
    }
  
    function _emscripten_glCopyColorSubTable() {
    err('missing function: emscripten_glCopyColorSubTable'); abort(-1);
    }
  
    function _emscripten_glCopyColorTable() {
    err('missing function: emscripten_glCopyColorTable'); abort(-1);
    }
  
    function _emscripten_glCopyConvolutionFilter1D() {
    err('missing function: emscripten_glCopyConvolutionFilter1D'); abort(-1);
    }
  
    function _emscripten_glCopyConvolutionFilter2D() {
    err('missing function: emscripten_glCopyConvolutionFilter2D'); abort(-1);
    }
  
    function _emscripten_glCopyPixels() {
    err('missing function: emscripten_glCopyPixels'); abort(-1);
    }
  
    function _emscripten_glCopyTexImage1D() {
    err('missing function: emscripten_glCopyTexImage1D'); abort(-1);
    }
  
    function _emscripten_glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) }
  
    function _emscripten_glCopyTexSubImage1D() {
    err('missing function: emscripten_glCopyTexSubImage1D'); abort(-1);
    }
  
    function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexSubImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) }
  
    function _emscripten_glCopyTexSubImage3D(x0, x1, x2, x3, x4, x5, x6, x7, x8) { GLctx['copyTexSubImage3D'](x0, x1, x2, x3, x4, x5, x6, x7, x8) }
  
    function _emscripten_glCreateProgram() {
        var id = GL.getNewId(GL.programs);
        var program = GLctx.createProgram();
        program.name = id;
        GL.programs[id] = program;
        return id;
      }
  
    function _emscripten_glCreateProgramObjectARB() {
    err('missing function: emscripten_glCreateProgramObjectARB'); abort(-1);
    }
  
    function _emscripten_glCreateShader(shaderType) {
        var id = GL.getNewId(GL.shaders);
        GL.shaders[id] = GLctx.createShader(shaderType);
        return id;
      }
  
    function _emscripten_glCreateShaderObjectARB() {
    err('missing function: emscripten_glCreateShaderObjectARB'); abort(-1);
    }
  
    function _emscripten_glCullFace(x0) { GLctx['cullFace'](x0) }
  
    function _emscripten_glDeleteBuffers(n, buffers) {
        for (var i = 0; i < n; i++) {
          var id = HEAP32[(((buffers)+(i*4))>>2)];
          var buffer = GL.buffers[id];
    
          // From spec: "glDeleteBuffers silently ignores 0's and names that do not
          // correspond to existing buffer objects."
          if (!buffer) continue;
    
          GLctx.deleteBuffer(buffer);
          buffer.name = 0;
          GL.buffers[id] = null;
    
          if (id == GL.currArrayBuffer) GL.currArrayBuffer = 0;
          if (id == GL.currElementArrayBuffer) GL.currElementArrayBuffer = 0;
          if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
          if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
        }
      }
  
    function _emscripten_glDeleteFramebuffers(n, framebuffers) {
        for (var i = 0; i < n; ++i) {
          var id = HEAP32[(((framebuffers)+(i*4))>>2)];
          var framebuffer = GL.framebuffers[id];
          if (!framebuffer) continue; // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects".
          GLctx.deleteFramebuffer(framebuffer);
          framebuffer.name = 0;
          GL.framebuffers[id] = null;
        }
      }
  
    function _emscripten_glDeleteLists() {
    err('missing function: emscripten_glDeleteLists'); abort(-1);
    }
  
    function _emscripten_glDeleteProgram(id) {
        if (!id) return;
        var program = GL.programs[id];
        if (!program) { // glDeleteProgram actually signals an error when deleting a nonexisting object, unlike some other GL delete functions.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        GLctx.deleteProgram(program);
        program.name = 0;
        GL.programs[id] = null;
        GL.programInfos[id] = null;
      }
  
    function _emscripten_glDeleteProgramsARB() {
    err('missing function: emscripten_glDeleteProgramsARB'); abort(-1);
    }
  
    function _emscripten_glDeleteQueries(n, ids) {
        for (var i = 0; i < n; i++) {
          var id = HEAP32[(((ids)+(i*4))>>2)];
          var query = GL.queries[id];
          if (!query) continue; // GL spec: "unused names in ids are ignored, as is the name zero."
          GLctx['deleteQuery'](query);
          GL.queries[id] = null;
        }
      }
  
    function _emscripten_glDeleteRenderbuffers(n, renderbuffers) {
        for (var i = 0; i < n; i++) {
          var id = HEAP32[(((renderbuffers)+(i*4))>>2)];
          var renderbuffer = GL.renderbuffers[id];
          if (!renderbuffer) continue; // GL spec: "glDeleteRenderbuffers silently ignores 0s and names that do not correspond to existing renderbuffer objects".
          GLctx.deleteRenderbuffer(renderbuffer);
          renderbuffer.name = 0;
          GL.renderbuffers[id] = null;
        }
      }
  
    function _emscripten_glDeleteShader(id) {
        if (!id) return;
        var shader = GL.shaders[id];
        if (!shader) { // glDeleteShader actually signals an error when deleting a nonexisting object, unlike some other GL delete functions.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        GLctx.deleteShader(shader);
        GL.shaders[id] = null;
      }
  
    function _emscripten_glDeleteTextures(n, textures) {
        for (var i = 0; i < n; i++) {
          var id = HEAP32[(((textures)+(i*4))>>2)];
          var texture = GL.textures[id];
          if (!texture) continue; // GL spec: "glDeleteTextures silently ignores 0s and names that do not correspond to existing textures".
          GLctx.deleteTexture(texture);
          texture.name = 0;
          GL.textures[id] = null;
        }
      }
  
    function _emscripten_glDeleteVertexArrays(n, vaos) {
        for (var i = 0; i < n; i++) {
          var id = HEAP32[(((vaos)+(i*4))>>2)];
          GLctx['deleteVertexArray'](GL.vaos[id]);
          GL.vaos[id] = null;
        }
      }
  
    function _emscripten_glDepthFunc(x0) { GLctx['depthFunc'](x0) }
  
    function _emscripten_glDepthMask(flag) {
        GLctx.depthMask(!!flag);
      }
  
    function _emscripten_glDepthRange(x0, x1) { GLctx['depthRange'](x0, x1) }
  
    function _emscripten_glDepthRangef(x0, x1) { GLctx['depthRange'](x0, x1) }
  
    function _emscripten_glDetachObjectARB() {
    err('missing function: emscripten_glDetachObjectARB'); abort(-1);
    }
  
    function _emscripten_glDetachShader(program, shader) {
        GLctx.detachShader(GL.programs[program],
                                GL.shaders[shader]);
      }
  
    function _emscripten_glDisable(x0) { GLctx['disable'](x0) }
  
    function _emscripten_glDisableVertexAttribArray(index) {
        GLctx.disableVertexAttribArray(index);
      }
  
    function _emscripten_glDisablei() {
    err('missing function: emscripten_glDisablei'); abort(-1);
    }
  
    function _emscripten_glDrawArrays(mode, first, count) {
    
        GLctx.drawArrays(mode, first, count);
    
      }
  
    function _emscripten_glDrawArraysInstanced(mode, first, count, primcount) {
        GLctx['drawArraysInstanced'](mode, first, count, primcount);
      }
  
    
    var __tempFixedLengthArray=[];function _emscripten_glDrawBuffers(n, bufs) {
    
        var bufArray = __tempFixedLengthArray[n];
        for (var i = 0; i < n; i++) {
          bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)];
        }
    
        GLctx['drawBuffers'](bufArray);
      }
  
    function _emscripten_glDrawElements(mode, count, type, indices) {
    
        GLctx.drawElements(mode, count, type, indices);
    
      }
  
    function _emscripten_glDrawElementsInstanced(mode, count, type, indices, primcount) {
        GLctx['drawElementsInstanced'](mode, count, type, indices, primcount);
      }
  
    function _emscripten_glDrawPixels() {
    err('missing function: emscripten_glDrawPixels'); abort(-1);
    }
  
    function _emscripten_glDrawRangeElements(mode, start, end, count, type, indices) {
        // TODO: This should be a trivial pass-though function, but due to https://bugzilla.mozilla.org/show_bug.cgi?id=1202427,
        // we work around by ignoring the range.
        _emscripten_glDrawElements(mode, count, type, indices);
      }
  
    function _emscripten_glEdgeFlag() {
    err('missing function: emscripten_glEdgeFlag'); abort(-1);
    }
  
    function _emscripten_glEdgeFlagPointer() {
    err('missing function: emscripten_glEdgeFlagPointer'); abort(-1);
    }
  
    function _emscripten_glEdgeFlagv() {
    err('missing function: emscripten_glEdgeFlagv'); abort(-1);
    }
  
    function _emscripten_glEnable(x0) { GLctx['enable'](x0) }
  
    function _emscripten_glEnableVertexAttribArray(index) {
        GLctx.enableVertexAttribArray(index);
      }
  
    function _emscripten_glEnablei() {
    err('missing function: emscripten_glEnablei'); abort(-1);
    }
  
    function _emscripten_glEndConditionalRender() {
    err('missing function: emscripten_glEndConditionalRender'); abort(-1);
    }
  
    function _emscripten_glEndList() {
    err('missing function: emscripten_glEndList'); abort(-1);
    }
  
    function _emscripten_glEndQuery(x0) { GLctx['endQuery'](x0) }
  
    function _emscripten_glEndTransformFeedback() { GLctx['endTransformFeedback']() }
  
    function _emscripten_glEvalCoord1d() {
    err('missing function: emscripten_glEvalCoord1d'); abort(-1);
    }
  
    function _emscripten_glEvalCoord1dv() {
    err('missing function: emscripten_glEvalCoord1dv'); abort(-1);
    }
  
    function _emscripten_glEvalCoord1f() {
    err('missing function: emscripten_glEvalCoord1f'); abort(-1);
    }
  
    function _emscripten_glEvalCoord1fv() {
    err('missing function: emscripten_glEvalCoord1fv'); abort(-1);
    }
  
    function _emscripten_glEvalCoord2d() {
    err('missing function: emscripten_glEvalCoord2d'); abort(-1);
    }
  
    function _emscripten_glEvalCoord2dv() {
    err('missing function: emscripten_glEvalCoord2dv'); abort(-1);
    }
  
    function _emscripten_glEvalCoord2f() {
    err('missing function: emscripten_glEvalCoord2f'); abort(-1);
    }
  
    function _emscripten_glEvalCoord2fv() {
    err('missing function: emscripten_glEvalCoord2fv'); abort(-1);
    }
  
    function _emscripten_glEvalMesh1() {
    err('missing function: emscripten_glEvalMesh1'); abort(-1);
    }
  
    function _emscripten_glEvalMesh2() {
    err('missing function: emscripten_glEvalMesh2'); abort(-1);
    }
  
    function _emscripten_glEvalPoint1() {
    err('missing function: emscripten_glEvalPoint1'); abort(-1);
    }
  
    function _emscripten_glEvalPoint2() {
    err('missing function: emscripten_glEvalPoint2'); abort(-1);
    }
  
    function _emscripten_glFeedbackBuffer() {
    err('missing function: emscripten_glFeedbackBuffer'); abort(-1);
    }
  
    function _emscripten_glFinish() { GLctx['finish']() }
  
    function _emscripten_glFlush() { GLctx['flush']() }
  
    function _emscripten_glFogf() {
    err('missing function: emscripten_glFogf'); abort(-1);
    }
  
    function _emscripten_glFogfv() {
    err('missing function: emscripten_glFogfv'); abort(-1);
    }
  
    function _emscripten_glFogi() {
    err('missing function: emscripten_glFogi'); abort(-1);
    }
  
    function _emscripten_glFogiv() {
    err('missing function: emscripten_glFogiv'); abort(-1);
    }
  
    function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
        GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget,
                                           GL.renderbuffers[renderbuffer]);
      }
  
    function _emscripten_glFramebufferTexture1D() {
    err('missing function: emscripten_glFramebufferTexture1D'); abort(-1);
    }
  
    function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) {
        GLctx.framebufferTexture2D(target, attachment, textarget,
                                        GL.textures[texture], level);
      }
  
    function _emscripten_glFramebufferTexture3D() {
    err('missing function: emscripten_glFramebufferTexture3D'); abort(-1);
    }
  
    function _emscripten_glFramebufferTextureLayer(target, attachment, texture, level, layer) {
        GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
      }
  
    function _emscripten_glFrontFace(x0) { GLctx['frontFace'](x0) }
  
    
    function __glGenObject(n, buffers, createFunction, objectTable
        ) {
        for (var i = 0; i < n; i++) {
          var buffer = GLctx[createFunction]();
          if (!buffer) {
            GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
            while(i < n) HEAP32[(((buffers)+(i++*4))>>2)]=0;
            return;
          }
          var id = GL.getNewId(objectTable);
          buffer.name = id;
          objectTable[id] = buffer;
          HEAP32[(((buffers)+(i*4))>>2)]=id;
        }
      }function _emscripten_glGenBuffers(n, buffers) {
        __glGenObject(n, buffers, 'createBuffer', GL.buffers
          );
      }
  
    function _emscripten_glGenFramebuffers(n, ids) {
        __glGenObject(n, ids, 'createFramebuffer', GL.framebuffers
          );
      }
  
    function _emscripten_glGenLists() {
    err('missing function: emscripten_glGenLists'); abort(-1);
    }
  
    function _emscripten_glGenProgramsARB() {
    err('missing function: emscripten_glGenProgramsARB'); abort(-1);
    }
  
    function _emscripten_glGenQueries(n, ids) {
        __glGenObject(n, ids, 'createQuery', GL.queries
          );
      }
  
    function _emscripten_glGenRenderbuffers(n, renderbuffers) {
        __glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
          );
      }
  
    function _emscripten_glGenTextures(n, textures) {
        __glGenObject(n, textures, 'createTexture', GL.textures
          );
      }
  
    function _emscripten_glGenVertexArrays(n, arrays) {
        __glGenObject(n, arrays, 'createVertexArray', GL.vaos
          );
      }
  
    function _emscripten_glGenerateMipmap(x0) { GLctx['generateMipmap'](x0) }
  
    function _emscripten_glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
        program = GL.programs[program];
        var info = GLctx.getActiveAttrib(program, index);
        if (!info) return; // If an error occurs, nothing will be written to length, size and type and name.
    
        if (bufSize > 0 && name) {
          var numBytesWrittenExclNull = stringToUTF8(info.name, name, bufSize);
          if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull;
        } else {
          if (length) HEAP32[((length)>>2)]=0;
        }
    
        if (size) HEAP32[((size)>>2)]=info.size;
        if (type) HEAP32[((type)>>2)]=info.type;
      }
  
    function _emscripten_glGetActiveUniform(program, index, bufSize, length, size, type, name) {
        program = GL.programs[program];
        var info = GLctx.getActiveUniform(program, index);
        if (!info) return; // If an error occurs, nothing will be written to length, size, type and name.
    
        if (bufSize > 0 && name) {
          var numBytesWrittenExclNull = stringToUTF8(info.name, name, bufSize);
          if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull;
        } else {
          if (length) HEAP32[((length)>>2)]=0;
        }
    
        if (size) HEAP32[((size)>>2)]=info.size;
        if (type) HEAP32[((type)>>2)]=info.type;
      }
  
    function _emscripten_glGetActiveUniformBlockName(program, uniformBlockIndex, bufSize, length, uniformBlockName) {
        program = GL.programs[program];
    
        var result = GLctx['getActiveUniformBlockName'](program, uniformBlockIndex);
        if (!result) return; // If an error occurs, nothing will be written to uniformBlockName or length.
        if (uniformBlockName && bufSize > 0) {
          var numBytesWrittenExclNull = stringToUTF8(result, uniformBlockName, bufSize);
          if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull;
        } else {
          if (length) HEAP32[((length)>>2)]=0;
        }
      }
  
    function _emscripten_glGetActiveUniformBlockiv(program, uniformBlockIndex, pname, params) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if params == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        program = GL.programs[program];
    
        switch(pname) {
          case 0x8A41: /* GL_UNIFORM_BLOCK_NAME_LENGTH */
            var name = GLctx['getActiveUniformBlockName'](program, uniformBlockIndex);
            HEAP32[((params)>>2)]=name.length+1;
            return;
          default:
            var result = GLctx['getActiveUniformBlockParameter'](program, uniformBlockIndex, pname);
            if (!result) return; // If an error occurs, nothing will be written to params.
            if (typeof result == 'number') {
              HEAP32[((params)>>2)]=result;
            } else {
              for (var i = 0; i < result.length; i++) {
                HEAP32[(((params)+(i*4))>>2)]=result[i];
              }
            }
        }
      }
  
    function _emscripten_glGetActiveUniformName() {
    err('missing function: emscripten_glGetActiveUniformName'); abort(-1);
    }
  
    function _emscripten_glGetActiveUniformsiv(program, uniformCount, uniformIndices, pname, params) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if params == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        if (uniformCount > 0 && uniformIndices == 0) {
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        program = GL.programs[program];
        var ids = [];
        for (var i = 0; i < uniformCount; i++) {
          ids.push(HEAP32[(((uniformIndices)+(i*4))>>2)]);
        }
    
        var result = GLctx['getActiveUniforms'](program, ids, pname);
        if (!result) return; // GL spec: If an error is generated, nothing is written out to params.
    
        var len = result.length;
        for (var i = 0; i < len; i++) {
          HEAP32[(((params)+(i*4))>>2)]=result[i];
        }
      }
  
    function _emscripten_glGetAttachedObjectsARB() {
    err('missing function: emscripten_glGetAttachedObjectsARB'); abort(-1);
    }
  
    function _emscripten_glGetAttachedShaders(program, maxCount, count, shaders) {
        var result = GLctx.getAttachedShaders(GL.programs[program]);
        var len = result.length;
        if (len > maxCount) {
          len = maxCount;
        }
        HEAP32[((count)>>2)]=len;
        for (var i = 0; i < len; ++i) {
          var id = GL.shaders.indexOf(result[i]);
          assert(id !== -1, 'shader not bound to local id');
          HEAP32[(((shaders)+(i*4))>>2)]=id;
        }
      }
  
    function _emscripten_glGetAttribLocation(program, name) {
        return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
      }
  
    function _emscripten_glGetBooleani_v() {
    err('missing function: emscripten_glGetBooleani_v'); abort(-1);
    }
  
    
    function emscriptenWebGLGet(name_, p, type) {
        // Guard against user passing a null pointer.
        // Note that GLES2 spec does not say anything about how passing a null pointer should be treated.
        // Testing on desktop core GL 3, the application crashes on glGetIntegerv to a null pointer, but
        // better to report an error instead of doing anything random.
        if (!p) {
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        var ret = undefined;
        switch(name_) { // Handle a few trivial GLES values
          case 0x8DFA: // GL_SHADER_COMPILER
            ret = 1;
            break;
          case 0x8DF8: // GL_SHADER_BINARY_FORMATS
            if (type !== 'Integer' && type !== 'Integer64') {
              GL.recordError(0x0500); // GL_INVALID_ENUM
            }
            return; // Do not write anything to the out pointer, since no binary formats are supported.
          case 0x87FE: // GL_NUM_PROGRAM_BINARY_FORMATS
          case 0x8DF9: // GL_NUM_SHADER_BINARY_FORMATS
            ret = 0;
            break;
          case 0x86A2: // GL_NUM_COMPRESSED_TEXTURE_FORMATS
            // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be queried for length),
            // so implement it ourselves to allow C++ GLES2 code get the length.
            var formats = GLctx.getParameter(0x86A3 /*GL_COMPRESSED_TEXTURE_FORMATS*/);
            ret = formats ? formats.length : 0;
            break;
          case 0x821D: // GL_NUM_EXTENSIONS
            if (GL.currentContext.version < 2) {
              GL.recordError(0x0502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
              return;
            }
            var exts = GLctx.getSupportedExtensions();
            ret = 2 * exts.length; // each extension is duplicated, first in unprefixed WebGL form, and then a second time with "GL_" prefix.
            break;
          case 0x821B: // GL_MAJOR_VERSION
          case 0x821C: // GL_MINOR_VERSION
            if (GL.currentContext.version < 2) {
              GL.recordError(0x0500); // GL_INVALID_ENUM
              return;
            }
            ret = name_ == 0x821B ? 3 : 0; // return version 3.0
            break;
        }
    
        if (ret === undefined) {
          var result = GLctx.getParameter(name_);
          switch (typeof(result)) {
            case "number":
              ret = result;
              break;
            case "boolean":
              ret = result ? 1 : 0;
              break;
            case "string":
              GL.recordError(0x0500); // GL_INVALID_ENUM
              return;
            case "object":
              if (result === null) {
                // null is a valid result for some (e.g., which buffer is bound - perhaps nothing is bound), but otherwise
                // can mean an invalid name_, which we need to report as an error
                switch(name_) {
                  case 0x8894: // ARRAY_BUFFER_BINDING
                  case 0x8B8D: // CURRENT_PROGRAM
                  case 0x8895: // ELEMENT_ARRAY_BUFFER_BINDING
                  case 0x8CA6: // FRAMEBUFFER_BINDING
                  case 0x8CA7: // RENDERBUFFER_BINDING
                  case 0x8069: // TEXTURE_BINDING_2D
                  case 0x85B5: // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
                  case 0x8919: // GL_SAMPLER_BINDING
                  case 0x8E25: // GL_TRANSFORM_FEEDBACK_BINDING
                  case 0x8514: { // TEXTURE_BINDING_CUBE_MAP
                    ret = 0;
                    break;
                  }
                  default: {
                    GL.recordError(0x0500); // GL_INVALID_ENUM
                    return;
                  }
                }
              } else if (result instanceof Float32Array ||
                         result instanceof Uint32Array ||
                         result instanceof Int32Array ||
                         result instanceof Array) {
                for (var i = 0; i < result.length; ++i) {
                  switch (type) {
                    case 'Integer': HEAP32[(((p)+(i*4))>>2)]=result[i];   break;
                    case 'Float':   HEAPF32[(((p)+(i*4))>>2)]=result[i]; break;
                    case 'Boolean': HEAP8[(((p)+(i))>>0)]=result[i] ? 1 : 0;    break;
                    default: throw 'internal glGet error, bad type: ' + type;
                  }
                }
                return;
              } else {
                try {
                  ret = result.name | 0;
                } catch(e) {
                  GL.recordError(0x0500); // GL_INVALID_ENUM
                  err('GL_INVALID_ENUM in glGet' + type + 'v: Unknown object returned from WebGL getParameter(' + name_ + ')! (error: ' + e + ')');
                  return;
                }
              }
              break;
            default:
              GL.recordError(0x0500); // GL_INVALID_ENUM
              return;
          }
        }
    
        switch (type) {
          case 'Integer64': (tempI64 = [ret>>>0,(tempDouble=ret,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((p)>>2)]=tempI64[0],HEAP32[(((p)+(4))>>2)]=tempI64[1]);    break;
          case 'Integer': HEAP32[((p)>>2)]=ret;    break;
          case 'Float':   HEAPF32[((p)>>2)]=ret;  break;
          case 'Boolean': HEAP8[((p)>>0)]=ret ? 1 : 0; break;
          default: throw 'internal glGet error, bad type: ' + type;
        }
      }function _emscripten_glGetBooleanv(name_, p) {
        emscriptenWebGLGet(name_, p, 'Boolean');
      }
  
    function _emscripten_glGetBufferParameteriv(target, value, data) {
        if (!data) {
          // GLES2 specification does not specify how to behave if data is a null pointer. Since calling this function does not make sense
          // if data == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        HEAP32[((data)>>2)]=GLctx.getBufferParameter(target, value);
      }
  
    function _emscripten_glGetBufferPointerv() {
    err('missing function: emscripten_glGetBufferPointerv'); abort(-1);
    }
  
    function _emscripten_glGetBufferSubData() {
    err('missing function: emscripten_glGetBufferSubData'); abort(-1);
    }
  
    function _emscripten_glGetClipPlane() {
    err('missing function: emscripten_glGetClipPlane'); abort(-1);
    }
  
    function _emscripten_glGetColorTable() {
    err('missing function: emscripten_glGetColorTable'); abort(-1);
    }
  
    function _emscripten_glGetColorTableParameterfv() {
    err('missing function: emscripten_glGetColorTableParameterfv'); abort(-1);
    }
  
    function _emscripten_glGetColorTableParameteriv() {
    err('missing function: emscripten_glGetColorTableParameteriv'); abort(-1);
    }
  
    function _emscripten_glGetCompressedTexImage() {
    err('missing function: emscripten_glGetCompressedTexImage'); abort(-1);
    }
  
    function _emscripten_glGetConvolutionFilter() {
    err('missing function: emscripten_glGetConvolutionFilter'); abort(-1);
    }
  
    function _emscripten_glGetConvolutionParameterfv() {
    err('missing function: emscripten_glGetConvolutionParameterfv'); abort(-1);
    }
  
    function _emscripten_glGetConvolutionParameteriv() {
    err('missing function: emscripten_glGetConvolutionParameteriv'); abort(-1);
    }
  
    function _emscripten_glGetDoublev() {
    err('missing function: emscripten_glGetDoublev'); abort(-1);
    }
  
    function _emscripten_glGetError() {
        // First return any GL error generated by the emscripten library_gl.js interop layer.
        if (GL.lastError) {
          var error = GL.lastError;
          GL.lastError = 0/*GL_NO_ERROR*/;
          return error;
        } else
        { // If there were none, return the GL error from the browser GL context.
          return GLctx.getError();
        }
      }
  
    function _emscripten_glGetFloatv(name_, p) {
        emscriptenWebGLGet(name_, p, 'Float');
      }
  
    function _emscripten_glGetFragDataLocation(program, name) {
        return GLctx['getFragDataLocation'](GL.programs[program], UTF8ToString(name));
      }
  
    function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
        var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
        if (result instanceof WebGLRenderbuffer ||
            result instanceof WebGLTexture) {
          result = result.name | 0;
        }
        HEAP32[((params)>>2)]=result;
      }
  
    function _emscripten_glGetHandleARB() {
    err('missing function: emscripten_glGetHandleARB'); abort(-1);
    }
  
    function _emscripten_glGetHistogram() {
    err('missing function: emscripten_glGetHistogram'); abort(-1);
    }
  
    function _emscripten_glGetHistogramParameterfv() {
    err('missing function: emscripten_glGetHistogramParameterfv'); abort(-1);
    }
  
    function _emscripten_glGetHistogramParameteriv() {
    err('missing function: emscripten_glGetHistogramParameteriv'); abort(-1);
    }
  
    
    function emscriptenWebGLGetIndexed(target, index, data, type) {
        if (!data) {
          // GLES2 specification does not specify how to behave if data is a null pointer. Since calling this function does not make sense
          // if data == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        var result = GLctx['getIndexedParameter'](target, index);
        var ret;
        switch (typeof result) {
          case 'boolean':
            ret = result ? 1 : 0;
            break;
          case 'number':
            ret = result;
            break;
          case 'object':
            if (result === null) {
              switch (target) {
                case 0x8C8F: // TRANSFORM_FEEDBACK_BUFFER_BINDING
                case 0x8A28: // UNIFORM_BUFFER_BINDING
                  ret = 0;
                  break;
                default: {
                  GL.recordError(0x0500); // GL_INVALID_ENUM
                  return;
                }
              }
            } else if (result instanceof WebGLBuffer) {
              ret = result.name | 0;
            } else {
              GL.recordError(0x0500); // GL_INVALID_ENUM
              return;
            }
            break;
          default:
            GL.recordError(0x0500); // GL_INVALID_ENUM
            return;
        }
    
        switch (type) {
          case 'Integer64': (tempI64 = [ret>>>0,(tempDouble=ret,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((data)>>2)]=tempI64[0],HEAP32[(((data)+(4))>>2)]=tempI64[1]);    break;
          case 'Integer': HEAP32[((data)>>2)]=ret;    break;
          case 'Float':   HEAPF32[((data)>>2)]=ret;  break;
          case 'Boolean': HEAP8[((data)>>0)]=ret ? 1 : 0; break;
          default: throw 'internal emscriptenWebGLGetIndexed() error, bad type: ' + type;
        }
      }function _emscripten_glGetIntegeri_v(target, index, data) {
        emscriptenWebGLGetIndexed(target, index, data, 'Integer');
      }
  
    function _emscripten_glGetIntegerv(name_, p) {
        emscriptenWebGLGet(name_, p, 'Integer');
      }
  
    function _emscripten_glGetLightfv() {
    err('missing function: emscripten_glGetLightfv'); abort(-1);
    }
  
    function _emscripten_glGetLightiv() {
    err('missing function: emscripten_glGetLightiv'); abort(-1);
    }
  
    function _emscripten_glGetMapdv() {
    err('missing function: emscripten_glGetMapdv'); abort(-1);
    }
  
    function _emscripten_glGetMapfv() {
    err('missing function: emscripten_glGetMapfv'); abort(-1);
    }
  
    function _emscripten_glGetMapiv() {
    err('missing function: emscripten_glGetMapiv'); abort(-1);
    }
  
    function _emscripten_glGetMaterialfv() {
    err('missing function: emscripten_glGetMaterialfv'); abort(-1);
    }
  
    function _emscripten_glGetMaterialiv() {
    err('missing function: emscripten_glGetMaterialiv'); abort(-1);
    }
  
    function _emscripten_glGetMinmax() {
    err('missing function: emscripten_glGetMinmax'); abort(-1);
    }
  
    function _emscripten_glGetMinmaxParameterfv() {
    err('missing function: emscripten_glGetMinmaxParameterfv'); abort(-1);
    }
  
    function _emscripten_glGetMinmaxParameteriv() {
    err('missing function: emscripten_glGetMinmaxParameteriv'); abort(-1);
    }
  
    function _emscripten_glGetObjectParameterfvARB() {
    err('missing function: emscripten_glGetObjectParameterfvARB'); abort(-1);
    }
  
    function _emscripten_glGetObjectParameterivARB() {
    err('missing function: emscripten_glGetObjectParameterivARB'); abort(-1);
    }
  
    function _emscripten_glGetPixelMapfv() {
    err('missing function: emscripten_glGetPixelMapfv'); abort(-1);
    }
  
    function _emscripten_glGetPixelMapuiv() {
    err('missing function: emscripten_glGetPixelMapuiv'); abort(-1);
    }
  
    function _emscripten_glGetPixelMapusv() {
    err('missing function: emscripten_glGetPixelMapusv'); abort(-1);
    }
  
    function _emscripten_glGetPointerv() {
    err('missing function: emscripten_glGetPointerv'); abort(-1);
    }
  
    function _emscripten_glGetPolygonStipple() {
    err('missing function: emscripten_glGetPolygonStipple'); abort(-1);
    }
  
    function _emscripten_glGetProgramEnvParameterdvARB() {
    err('missing function: emscripten_glGetProgramEnvParameterdvARB'); abort(-1);
    }
  
    function _emscripten_glGetProgramEnvParameterfvARB() {
    err('missing function: emscripten_glGetProgramEnvParameterfvARB'); abort(-1);
    }
  
    function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) {
        var log = GLctx.getProgramInfoLog(GL.programs[program]);
        if (log === null) log = '(unknown error)';
    
        if (maxLength > 0 && infoLog) {
          var numBytesWrittenExclNull = stringToUTF8(log, infoLog, maxLength);
          if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull;
        } else {
          if (length) HEAP32[((length)>>2)]=0;
        }
      }
  
    function _emscripten_glGetProgramLocalParameterdvARB() {
    err('missing function: emscripten_glGetProgramLocalParameterdvARB'); abort(-1);
    }
  
    function _emscripten_glGetProgramLocalParameterfvARB() {
    err('missing function: emscripten_glGetProgramLocalParameterfvARB'); abort(-1);
    }
  
    function _emscripten_glGetProgramStringARB() {
    err('missing function: emscripten_glGetProgramStringARB'); abort(-1);
    }
  
    function _emscripten_glGetProgramiv(program, pname, p) {
        if (!p) {
          // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense
          // if p == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
    
        if (program >= GL.counter) {
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
    
        var ptable = GL.programInfos[program];
        if (!ptable) {
          GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
          return;
        }
    
        if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH
          var log = GLctx.getProgramInfoLog(GL.programs[program]);
          if (log === null) log = '(unknown error)';
          HEAP32[((p)>>2)]=log.length + 1;
        } else if (pname == 0x8B87 /* GL_ACTIVE_UNIFORM_MAX_LENGTH */) {
          HEAP32[((p)>>2)]=ptable.maxUniformLength;
        } else if (pname == 0x8B8A /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */) {
          if (ptable.maxAttributeLength == -1) {
            program = GL.programs[program];
            var numAttribs = GLctx.getProgramParameter(program, 0x8B89/*GL_ACTIVE_ATTRIBUTES*/);
            ptable.maxAttributeLength = 0; // Spec says if there are no active attribs, 0 must be returned.
            for (var i = 0; i < numAttribs; ++i) {
              var activeAttrib = GLctx.getActiveAttrib(program, i);
              ptable.maxAttributeLength = Math.max(ptable.maxAttributeLength, activeAttrib.name.length+1);
            }
          }
          HEAP32[((p)>>2)]=ptable.maxAttributeLength;
        } else if (pname == 0x8A35 /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */) {
          if (ptable.maxUniformBlockNameLength == -1) {
            program = GL.programs[program];
            var numBlocks = GLctx.getProgramParameter(program, 0x8A36/*GL_ACTIVE_UNIFORM_BLOCKS*/);
            ptable.maxUniformBlockNameLength = 0;
            for (var i = 0; i < numBlocks; ++i) {
              var activeBlockName = GLctx.getActiveUniformBlockName(program, i);
              ptable.maxUniformBlockNameLength = Math.max(ptable.maxUniformBlockNameLength, activeBlockName.length+1);
            }
          }
          HEAP32[((p)>>2)]=ptable.maxUniformBlockNameLength;
        } else {
          HEAP32[((p)>>2)]=GLctx.getProgramParameter(GL.programs[program], pname);
        }
      }
  
    function _emscripten_glGetQueryObjectiv() {
    err('missing function: emscripten_glGetQueryObjectiv'); abort(-1);
    }
  
    function _emscripten_glGetQueryObjectuiv(id, pname, params) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if p == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        var query = GL.queries[id];
        var param = GLctx['getQueryParameter'](query, pname);
        var ret;
        if (typeof param == 'boolean') {
          ret = param ? 1 : 0;
        } else {
          ret = param;
        }
        HEAP32[((params)>>2)]=ret;
      }
  
    function _emscripten_glGetQueryiv(target, pname, params) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if p == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        HEAP32[((params)>>2)]=GLctx['getQuery'](target, pname);
      }
  
    function _emscripten_glGetRenderbufferParameteriv(target, pname, params) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if params == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        HEAP32[((params)>>2)]=GLctx.getRenderbufferParameter(target, pname);
      }
  
    function _emscripten_glGetSeparableFilter() {
    err('missing function: emscripten_glGetSeparableFilter'); abort(-1);
    }
  
    function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) {
        var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
        if (log === null) log = '(unknown error)';
        if (maxLength > 0 && infoLog) {
          var numBytesWrittenExclNull = stringToUTF8(log, infoLog, maxLength);
          if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull;
        } else {
          if (length) HEAP32[((length)>>2)]=0;
        }
      }
  
    function _emscripten_glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) {
        var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
        HEAP32[((range)>>2)]=result.rangeMin;
        HEAP32[(((range)+(4))>>2)]=result.rangeMax;
        HEAP32[((precision)>>2)]=result.precision;
      }
  
    function _emscripten_glGetShaderSource(shader, bufSize, length, source) {
        var result = GLctx.getShaderSource(GL.shaders[shader]);
        if (!result) return; // If an error occurs, nothing will be written to length or source.
        if (bufSize > 0 && source) {
          var numBytesWrittenExclNull = stringToUTF8(result, source, bufSize);
          if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull;
        } else {
          if (length) HEAP32[((length)>>2)]=0;
        }
      }
  
    function _emscripten_glGetShaderiv(shader, pname, p) {
        if (!p) {
          // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense
          // if p == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH
          var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
          if (log === null) log = '(unknown error)';
          HEAP32[((p)>>2)]=log.length + 1;
        } else if (pname == 0x8B88) { // GL_SHADER_SOURCE_LENGTH
          var source = GLctx.getShaderSource(GL.shaders[shader]);
          var sourceLength = (source === null || source.length == 0) ? 0 : source.length + 1;
          HEAP32[((p)>>2)]=sourceLength;
        } else {
          HEAP32[((p)>>2)]=GLctx.getShaderParameter(GL.shaders[shader], pname);
        }
      }
  
    
    function stringToNewUTF8(jsString) {
        var length = lengthBytesUTF8(jsString)+1;
        var cString = _malloc(length);
        stringToUTF8(jsString, cString, length);
        return cString;
      }function _emscripten_glGetString(name_) {
        if (GL.stringCache[name_]) return GL.stringCache[name_];
        var ret;
        switch(name_) {
          case 0x1F03 /* GL_EXTENSIONS */:
            var exts = GLctx.getSupportedExtensions();
            var gl_exts = [];
            for (var i = 0; i < exts.length; ++i) {
              gl_exts.push(exts[i]);
              gl_exts.push("GL_" + exts[i]);
            }
            ret = stringToNewUTF8(gl_exts.join(' '));
            break;
          case 0x1F00 /* GL_VENDOR */:
          case 0x1F01 /* GL_RENDERER */:
          case 0x9245 /* UNMASKED_VENDOR_WEBGL */:
          case 0x9246 /* UNMASKED_RENDERER_WEBGL */:
            var s = GLctx.getParameter(name_);
            if (!s) {
              GL.recordError(0x0500/*GL_INVALID_ENUM*/);
            }
            ret = stringToNewUTF8(s);
            break;
    
          case 0x1F02 /* GL_VERSION */:
            var glVersion = GLctx.getParameter(GLctx.VERSION);
            // return GLES version string corresponding to the version of the WebGL context
            if (GL.currentContext.version >= 2) glVersion = 'OpenGL ES 3.0 (' + glVersion + ')';
            else
            {
              glVersion = 'OpenGL ES 2.0 (' + glVersion + ')';
            }
            ret = stringToNewUTF8(glVersion);
            break;
          case 0x8B8C /* GL_SHADING_LANGUAGE_VERSION */:
            var glslVersion = GLctx.getParameter(GLctx.SHADING_LANGUAGE_VERSION);
            // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...'
            var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
            var ver_num = glslVersion.match(ver_re);
            if (ver_num !== null) {
              if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + '0'; // ensure minor version has 2 digits
              glslVersion = 'OpenGL ES GLSL ES ' + ver_num[1] + ' (' + glslVersion + ')';
            }
            ret = stringToNewUTF8(glslVersion);
            break;
          default:
            GL.recordError(0x0500/*GL_INVALID_ENUM*/);
            return 0;
        }
        GL.stringCache[name_] = ret;
        return ret;
      }
  
    function _emscripten_glGetStringi(name, index) {
        if (GL.currentContext.version < 2) {
          GL.recordError(0x0502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
          return 0;
        }
        var stringiCache = GL.stringiCache[name];
        if (stringiCache) {
          if (index < 0 || index >= stringiCache.length) {
            GL.recordError(0x0501/*GL_INVALID_VALUE*/);
            return 0;
          }
          return stringiCache[index];
        }
        switch(name) {
          case 0x1F03 /* GL_EXTENSIONS */:
            var exts = GLctx.getSupportedExtensions();
            var gl_exts = [];
            for (var i = 0; i < exts.length; ++i) {
              gl_exts.push(stringToNewUTF8(exts[i]));
              // each extension is duplicated, first in unprefixed WebGL form, and then a second time with "GL_" prefix.
              gl_exts.push(stringToNewUTF8('GL_' + exts[i]));
            }
            stringiCache = GL.stringiCache[name] = gl_exts;
            if (index < 0 || index >= stringiCache.length) {
              GL.recordError(0x0501/*GL_INVALID_VALUE*/);
              return 0;
            }
            return stringiCache[index];
          default:
            GL.recordError(0x0500/*GL_INVALID_ENUM*/);
            return 0;
        }
      }
  
    function _emscripten_glGetTexGendv() {
    err('missing function: emscripten_glGetTexGendv'); abort(-1);
    }
  
    function _emscripten_glGetTexGenfv() {
    err('missing function: emscripten_glGetTexGenfv'); abort(-1);
    }
  
    function _emscripten_glGetTexGeniv() {
    err('missing function: emscripten_glGetTexGeniv'); abort(-1);
    }
  
    function _emscripten_glGetTexImage() {
    err('missing function: emscripten_glGetTexImage'); abort(-1);
    }
  
    function _emscripten_glGetTexParameterIiv() {
    err('missing function: emscripten_glGetTexParameterIiv'); abort(-1);
    }
  
    function _emscripten_glGetTexParameterIuiv() {
    err('missing function: emscripten_glGetTexParameterIuiv'); abort(-1);
    }
  
    function _emscripten_glGetTexParameterfv(target, pname, params) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if p == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        HEAPF32[((params)>>2)]=GLctx.getTexParameter(target, pname);
      }
  
    function _emscripten_glGetTexParameteriv(target, pname, params) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if p == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        HEAP32[((params)>>2)]=GLctx.getTexParameter(target, pname);
      }
  
    function _emscripten_glGetTransformFeedbackVarying(program, index, bufSize, length, size, type, name) {
        program = GL.programs[program];
        var info = GLctx['getTransformFeedbackVarying'](program, index);
        if (!info) return; // If an error occurred, the return parameters length, size, type and name will be unmodified.
    
        if (name && bufSize > 0) {
          var numBytesWrittenExclNull = stringToUTF8(info.name, name, bufSize);
          if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull;
        } else {
          if (length) HEAP32[((length)>>2)]=0;
        }
    
        if (size) HEAP32[((size)>>2)]=info.size;
        if (type) HEAP32[((type)>>2)]=info.type;
      }
  
    function _emscripten_glGetUniformBlockIndex(program, uniformBlockName) {
        program = GL.programs[program];
        uniformBlockName = UTF8ToString(uniformBlockName);
        return GLctx['getUniformBlockIndex'](program, uniformBlockName);
      }
  
    function _emscripten_glGetUniformIndices(program, uniformCount, uniformNames, uniformIndices) {
        if (!uniformIndices) {
          // GLES2 specification does not specify how to behave if uniformIndices is a null pointer. Since calling this function does not make sense
          // if uniformIndices == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        if (uniformCount > 0 && (uniformNames == 0 || uniformIndices == 0)) {
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        program = GL.programs[program];
        var names = [];
        for (var i = 0; i < uniformCount; i++)
          names.push(UTF8ToString(HEAP32[(((uniformNames)+(i*4))>>2)]));
    
        var result = GLctx['getUniformIndices'](program, names);
        if (!result) return; // GL spec: If an error is generated, nothing is written out to uniformIndices.
    
        var len = result.length;
        for (var i = 0; i < len; i++) {
          HEAP32[(((uniformIndices)+(i*4))>>2)]=result[i];
        }
      }
  
    function _emscripten_glGetUniformLocation(program, name) {
        name = UTF8ToString(name);
    
        var arrayOffset = 0;
        // If user passed an array accessor "[index]", parse the array index off the accessor.
        if (name.indexOf(']', name.length-1) !== -1) {
          var ls = name.lastIndexOf('[');
          var arrayIndex = name.slice(ls+1, -1);
          if (arrayIndex.length > 0) {
            arrayOffset = parseInt(arrayIndex);
            if (arrayOffset < 0) {
              return -1;
            }
          }
          name = name.slice(0, ls);
        }
    
        var ptable = GL.programInfos[program];
        if (!ptable) {
          return -1;
        }
        var utable = ptable.uniforms;
        var uniformInfo = utable[name]; // returns pair [ dimension_of_uniform_array, uniform_location ]
        if (uniformInfo && arrayOffset < uniformInfo[0]) { // Check if user asked for an out-of-bounds element, i.e. for 'vec4 colors[3];' user could ask for 'colors[10]' which should return -1.
          return uniformInfo[1]+arrayOffset;
        } else {
          return -1;
        }
      }
  
    
    function emscriptenWebGLGetUniform(program, location, params, type) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if params == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        var data = GLctx.getUniform(GL.programs[program], GL.uniforms[location]);
        if (typeof data == 'number' || typeof data == 'boolean') {
          switch (type) {
            case 'Integer': HEAP32[((params)>>2)]=data; break;
            case 'Float': HEAPF32[((params)>>2)]=data; break;
            default: throw 'internal emscriptenWebGLGetUniform() error, bad type: ' + type;
          }
        } else {
          for (var i = 0; i < data.length; i++) {
            switch (type) {
              case 'Integer': HEAP32[(((params)+(i*4))>>2)]=data[i]; break;
              case 'Float': HEAPF32[(((params)+(i*4))>>2)]=data[i]; break;
              default: throw 'internal emscriptenWebGLGetUniform() error, bad type: ' + type;
            }
          }
        }
      }function _emscripten_glGetUniformfv(program, location, params) {
        emscriptenWebGLGetUniform(program, location, params, 'Float');
      }
  
    function _emscripten_glGetUniformiv(program, location, params) {
        emscriptenWebGLGetUniform(program, location, params, 'Integer');
      }
  
    function _emscripten_glGetUniformuiv(program, location, params) {
        emscriptenWebGLGetUniform(program, location, params, 'Integer');
      }
  
    
    function emscriptenWebGLGetVertexAttrib(index, pname, params, type) {
        if (!params) {
          // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
          // if params == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        var data = GLctx.getVertexAttrib(index, pname);
        if (pname == 0x889F/*VERTEX_ATTRIB_ARRAY_BUFFER_BINDING*/) {
          HEAP32[((params)>>2)]=data["name"];
        } else if (typeof data == 'number' || typeof data == 'boolean') {
          switch (type) {
            case 'Integer': HEAP32[((params)>>2)]=data; break;
            case 'Float': HEAPF32[((params)>>2)]=data; break;
            case 'FloatToInteger': HEAP32[((params)>>2)]=Math.fround(data); break;
            default: throw 'internal emscriptenWebGLGetVertexAttrib() error, bad type: ' + type;
          }
        } else {
          for (var i = 0; i < data.length; i++) {
            switch (type) {
              case 'Integer': HEAP32[(((params)+(i*4))>>2)]=data[i]; break;
              case 'Float': HEAPF32[(((params)+(i*4))>>2)]=data[i]; break;
              case 'FloatToInteger': HEAP32[(((params)+(i*4))>>2)]=Math.fround(data[i]); break;
              default: throw 'internal emscriptenWebGLGetVertexAttrib() error, bad type: ' + type;
            }
          }
        }
      }function _emscripten_glGetVertexAttribIiv(index, pname, params) {
        // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttribI4iv(),
        // otherwise the results are undefined. (GLES3 spec 6.1.12)
        emscriptenWebGLGetVertexAttrib(index, pname, params, 'Integer');
      }
  
    function _emscripten_glGetVertexAttribIuiv(index, pname, params) {
        // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttribI4iv(),
        // otherwise the results are undefined. (GLES3 spec 6.1.12)
        emscriptenWebGLGetVertexAttrib(index, pname, params, 'Integer');
      }
  
    function _emscripten_glGetVertexAttribPointerv(index, pname, pointer) {
        if (!pointer) {
          // GLES2 specification does not specify how to behave if pointer is a null pointer. Since calling this function does not make sense
          // if pointer == null, issue a GL error to notify user about it.
          GL.recordError(0x0501 /* GL_INVALID_VALUE */);
          return;
        }
        HEAP32[((pointer)>>2)]=GLctx.getVertexAttribOffset(index, pname);
      }
  
    function _emscripten_glGetVertexAttribdv() {
    err('missing function: emscripten_glGetVertexAttribdv'); abort(-1);
    }
  
    function _emscripten_glGetVertexAttribfv(index, pname, params) {
        // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttrib*f(),
        // otherwise the results are undefined. (GLES3 spec 6.1.12)
        emscriptenWebGLGetVertexAttrib(index, pname, params, 'Float');
      }
  
    function _emscripten_glGetVertexAttribiv(index, pname, params) {
        // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttrib*f(),
        // otherwise the results are undefined. (GLES3 spec 6.1.12)
        emscriptenWebGLGetVertexAttrib(index, pname, params, 'FloatToInteger');
      }
  
    function _emscripten_glHint(x0, x1) { GLctx['hint'](x0, x1) }
  
    function _emscripten_glHistogram() {
    err('missing function: emscripten_glHistogram'); abort(-1);
    }
  
    function _emscripten_glIndexMask() {
    err('missing function: emscripten_glIndexMask'); abort(-1);
    }
  
    function _emscripten_glIndexPointer() {
    err('missing function: emscripten_glIndexPointer'); abort(-1);
    }
  
    function _emscripten_glIndexd() {
    err('missing function: emscripten_glIndexd'); abort(-1);
    }
  
    function _emscripten_glIndexdv() {
    err('missing function: emscripten_glIndexdv'); abort(-1);
    }
  
    function _emscripten_glIndexf() {
    err('missing function: emscripten_glIndexf'); abort(-1);
    }
  
    function _emscripten_glIndexfv() {
    err('missing function: emscripten_glIndexfv'); abort(-1);
    }
  
    function _emscripten_glIndexi() {
    err('missing function: emscripten_glIndexi'); abort(-1);
    }
  
    function _emscripten_glIndexiv() {
    err('missing function: emscripten_glIndexiv'); abort(-1);
    }
  
    function _emscripten_glIndexs() {
    err('missing function: emscripten_glIndexs'); abort(-1);
    }
  
    function _emscripten_glIndexsv() {
    err('missing function: emscripten_glIndexsv'); abort(-1);
    }
  
    function _emscripten_glIndexub() {
    err('missing function: emscripten_glIndexub'); abort(-1);
    }
  
    function _emscripten_glIndexubv() {
    err('missing function: emscripten_glIndexubv'); abort(-1);
    }
  
    function _emscripten_glInitNames() {
    err('missing function: emscripten_glInitNames'); abort(-1);
    }
  
    function _emscripten_glInterleavedArrays() {
    err('missing function: emscripten_glInterleavedArrays'); abort(-1);
    }
  
    function _emscripten_glIsBuffer(buffer) {
        var b = GL.buffers[buffer];
        if (!b) return 0;
        return GLctx.isBuffer(b);
      }
  
    function _emscripten_glIsEnabled(x0) { return GLctx['isEnabled'](x0) }
  
    function _emscripten_glIsEnabledi() {
    err('missing function: emscripten_glIsEnabledi'); abort(-1);
    }
  
    function _emscripten_glIsFramebuffer(framebuffer) {
        var fb = GL.framebuffers[framebuffer];
        if (!fb) return 0;
        return GLctx.isFramebuffer(fb);
      }
  
    function _emscripten_glIsList() {
    err('missing function: emscripten_glIsList'); abort(-1);
    }
  
    function _emscripten_glIsProgram(program) {
        program = GL.programs[program];
        if (!program) return 0;
        return GLctx.isProgram(program);
      }
  
    function _emscripten_glIsQuery(id) {
        var query = GL.queries[query];
        if (!query) return 0;
        return GLctx['isQuery'](query);
      }
  
    function _emscripten_glIsRenderbuffer(renderbuffer) {
        var rb = GL.renderbuffers[renderbuffer];
        if (!rb) return 0;
        return GLctx.isRenderbuffer(rb);
      }
  
    function _emscripten_glIsShader(shader) {
        var s = GL.shaders[shader];
        if (!s) return 0;
        return GLctx.isShader(s);
      }
  
    function _emscripten_glIsTexture(texture) {
        var texture = GL.textures[texture];
        if (!texture) return 0;
        return GLctx.isTexture(texture);
      }
  
    function _emscripten_glIsVertexArray(array) {
    
        var vao = GL.vaos[array];
        if (!vao) return 0;
        return GLctx['isVertexArray'](vao);
      }
  
    function _emscripten_glLineStipple() {
    err('missing function: emscripten_glLineStipple'); abort(-1);
    }
  
    function _emscripten_glLineWidth(x0) { GLctx['lineWidth'](x0) }
  
    function _emscripten_glLinkProgram(program) {
        GLctx.linkProgram(GL.programs[program]);
        GL.programInfos[program] = null; // uniforms no longer keep the same names after linking
        GL.populateUniformTable(program);
      }
  
    function _emscripten_glListBase() {
    err('missing function: emscripten_glListBase'); abort(-1);
    }
  
    function _emscripten_glLoadName() {
    err('missing function: emscripten_glLoadName'); abort(-1);
    }
  
    function _emscripten_glLoadTransposeMatrixd() {
    err('missing function: emscripten_glLoadTransposeMatrixd'); abort(-1);
    }
  
    function _emscripten_glLoadTransposeMatrixf() {
    err('missing function: emscripten_glLoadTransposeMatrixf'); abort(-1);
    }
  
    function _emscripten_glLogicOp() {
    err('missing function: emscripten_glLogicOp'); abort(-1);
    }
  
    function _emscripten_glMap1d() {
    err('missing function: emscripten_glMap1d'); abort(-1);
    }
  
    function _emscripten_glMap1f() {
    err('missing function: emscripten_glMap1f'); abort(-1);
    }
  
    function _emscripten_glMap2d() {
    err('missing function: emscripten_glMap2d'); abort(-1);
    }
  
    function _emscripten_glMap2f() {
    err('missing function: emscripten_glMap2f'); abort(-1);
    }
  
    function _emscripten_glMapBuffer() {
    err('missing function: emscripten_glMapBuffer'); abort(-1);
    }
  
    function _emscripten_glMapGrid1d() {
    err('missing function: emscripten_glMapGrid1d'); abort(-1);
    }
  
    function _emscripten_glMapGrid1f() {
    err('missing function: emscripten_glMapGrid1f'); abort(-1);
    }
  
    function _emscripten_glMapGrid2d() {
    err('missing function: emscripten_glMapGrid2d'); abort(-1);
    }
  
    function _emscripten_glMapGrid2f() {
    err('missing function: emscripten_glMapGrid2f'); abort(-1);
    }
  
    function _emscripten_glMinmax() {
    err('missing function: emscripten_glMinmax'); abort(-1);
    }
  
    function _emscripten_glMultTransposeMatrixd() {
    err('missing function: emscripten_glMultTransposeMatrixd'); abort(-1);
    }
  
    function _emscripten_glMultTransposeMatrixf() {
    err('missing function: emscripten_glMultTransposeMatrixf'); abort(-1);
    }
  
    function _emscripten_glMultiDrawArrays() {
    err('missing function: emscripten_glMultiDrawArrays'); abort(-1);
    }
  
    function _emscripten_glMultiDrawElements() {
    err('missing function: emscripten_glMultiDrawElements'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1d() {
    err('missing function: emscripten_glMultiTexCoord1d'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1dv() {
    err('missing function: emscripten_glMultiTexCoord1dv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1f() {
    err('missing function: emscripten_glMultiTexCoord1f'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1fv() {
    err('missing function: emscripten_glMultiTexCoord1fv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1i() {
    err('missing function: emscripten_glMultiTexCoord1i'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1iv() {
    err('missing function: emscripten_glMultiTexCoord1iv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1s() {
    err('missing function: emscripten_glMultiTexCoord1s'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord1sv() {
    err('missing function: emscripten_glMultiTexCoord1sv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2d() {
    err('missing function: emscripten_glMultiTexCoord2d'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2dv() {
    err('missing function: emscripten_glMultiTexCoord2dv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2f() {
    err('missing function: emscripten_glMultiTexCoord2f'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2fv() {
    err('missing function: emscripten_glMultiTexCoord2fv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2i() {
    err('missing function: emscripten_glMultiTexCoord2i'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2iv() {
    err('missing function: emscripten_glMultiTexCoord2iv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2s() {
    err('missing function: emscripten_glMultiTexCoord2s'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord2sv() {
    err('missing function: emscripten_glMultiTexCoord2sv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3d() {
    err('missing function: emscripten_glMultiTexCoord3d'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3dv() {
    err('missing function: emscripten_glMultiTexCoord3dv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3f() {
    err('missing function: emscripten_glMultiTexCoord3f'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3fv() {
    err('missing function: emscripten_glMultiTexCoord3fv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3i() {
    err('missing function: emscripten_glMultiTexCoord3i'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3iv() {
    err('missing function: emscripten_glMultiTexCoord3iv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3s() {
    err('missing function: emscripten_glMultiTexCoord3s'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord3sv() {
    err('missing function: emscripten_glMultiTexCoord3sv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4d() {
    err('missing function: emscripten_glMultiTexCoord4d'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4dv() {
    err('missing function: emscripten_glMultiTexCoord4dv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4f() {
    err('missing function: emscripten_glMultiTexCoord4f'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4fv() {
    err('missing function: emscripten_glMultiTexCoord4fv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4i() {
    err('missing function: emscripten_glMultiTexCoord4i'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4iv() {
    err('missing function: emscripten_glMultiTexCoord4iv'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4s() {
    err('missing function: emscripten_glMultiTexCoord4s'); abort(-1);
    }
  
    function _emscripten_glMultiTexCoord4sv() {
    err('missing function: emscripten_glMultiTexCoord4sv'); abort(-1);
    }
  
    function _emscripten_glNewList() {
    err('missing function: emscripten_glNewList'); abort(-1);
    }
  
    function _emscripten_glPassThrough() {
    err('missing function: emscripten_glPassThrough'); abort(-1);
    }
  
    function _emscripten_glPixelMapfv() {
    err('missing function: emscripten_glPixelMapfv'); abort(-1);
    }
  
    function _emscripten_glPixelMapuiv() {
    err('missing function: emscripten_glPixelMapuiv'); abort(-1);
    }
  
    function _emscripten_glPixelMapusv() {
    err('missing function: emscripten_glPixelMapusv'); abort(-1);
    }
  
    function _emscripten_glPixelStoref() {
    err('missing function: emscripten_glPixelStoref'); abort(-1);
    }
  
    function _emscripten_glPixelStorei(pname, param) {
        if (pname == 0x0cf5 /* GL_UNPACK_ALIGNMENT */) {
          GL.unpackAlignment = param;
        }
        GLctx.pixelStorei(pname, param);
      }
  
    function _emscripten_glPixelTransferf() {
    err('missing function: emscripten_glPixelTransferf'); abort(-1);
    }
  
    function _emscripten_glPixelTransferi() {
    err('missing function: emscripten_glPixelTransferi'); abort(-1);
    }
  
    function _emscripten_glPixelZoom() {
    err('missing function: emscripten_glPixelZoom'); abort(-1);
    }
  
    function _emscripten_glPointParameterf() {
    err('missing function: emscripten_glPointParameterf'); abort(-1);
    }
  
    function _emscripten_glPointParameterfv() {
    err('missing function: emscripten_glPointParameterfv'); abort(-1);
    }
  
    function _emscripten_glPointParameteri() {
    err('missing function: emscripten_glPointParameteri'); abort(-1);
    }
  
    function _emscripten_glPointParameteriv() {
    err('missing function: emscripten_glPointParameteriv'); abort(-1);
    }
  
    function _emscripten_glPointSize() {
    err('missing function: emscripten_glPointSize'); abort(-1);
    }
  
    function _emscripten_glPolygonOffset(x0, x1) { GLctx['polygonOffset'](x0, x1) }
  
    function _emscripten_glPolygonStipple() {
    err('missing function: emscripten_glPolygonStipple'); abort(-1);
    }
  
    function _emscripten_glPopAttrib() {
    err('missing function: emscripten_glPopAttrib'); abort(-1);
    }
  
    function _emscripten_glPopClientAttrib() {
    err('missing function: emscripten_glPopClientAttrib'); abort(-1);
    }
  
    function _emscripten_glPopName() {
    err('missing function: emscripten_glPopName'); abort(-1);
    }
  
    function _emscripten_glPrimitiveRestartIndex() {
    err('missing function: emscripten_glPrimitiveRestartIndex'); abort(-1);
    }
  
    function _emscripten_glPrioritizeTextures() {
    err('missing function: emscripten_glPrioritizeTextures'); abort(-1);
    }
  
    function _emscripten_glProgramEnvParameter4dARB() {
    err('missing function: emscripten_glProgramEnvParameter4dARB'); abort(-1);
    }
  
    function _emscripten_glProgramEnvParameter4dvARB() {
    err('missing function: emscripten_glProgramEnvParameter4dvARB'); abort(-1);
    }
  
    function _emscripten_glProgramEnvParameter4fARB() {
    err('missing function: emscripten_glProgramEnvParameter4fARB'); abort(-1);
    }
  
    function _emscripten_glProgramEnvParameter4fvARB() {
    err('missing function: emscripten_glProgramEnvParameter4fvARB'); abort(-1);
    }
  
    function _emscripten_glProgramLocalParameter4dARB() {
    err('missing function: emscripten_glProgramLocalParameter4dARB'); abort(-1);
    }
  
    function _emscripten_glProgramLocalParameter4dvARB() {
    err('missing function: emscripten_glProgramLocalParameter4dvARB'); abort(-1);
    }
  
    function _emscripten_glProgramLocalParameter4fARB() {
    err('missing function: emscripten_glProgramLocalParameter4fARB'); abort(-1);
    }
  
    function _emscripten_glProgramLocalParameter4fvARB() {
    err('missing function: emscripten_glProgramLocalParameter4fvARB'); abort(-1);
    }
  
    function _emscripten_glProgramStringARB() {
    err('missing function: emscripten_glProgramStringARB'); abort(-1);
    }
  
    function _emscripten_glPushAttrib() {
    err('missing function: emscripten_glPushAttrib'); abort(-1);
    }
  
    function _emscripten_glPushClientAttrib() {
    err('missing function: emscripten_glPushClientAttrib'); abort(-1);
    }
  
    function _emscripten_glPushName() {
    err('missing function: emscripten_glPushName'); abort(-1);
    }
  
    function _emscripten_glRasterPos2d() {
    err('missing function: emscripten_glRasterPos2d'); abort(-1);
    }
  
    function _emscripten_glRasterPos2dv() {
    err('missing function: emscripten_glRasterPos2dv'); abort(-1);
    }
  
    function _emscripten_glRasterPos2f() {
    err('missing function: emscripten_glRasterPos2f'); abort(-1);
    }
  
    function _emscripten_glRasterPos2fv() {
    err('missing function: emscripten_glRasterPos2fv'); abort(-1);
    }
  
    function _emscripten_glRasterPos2i() {
    err('missing function: emscripten_glRasterPos2i'); abort(-1);
    }
  
    function _emscripten_glRasterPos2iv() {
    err('missing function: emscripten_glRasterPos2iv'); abort(-1);
    }
  
    function _emscripten_glRasterPos2s() {
    err('missing function: emscripten_glRasterPos2s'); abort(-1);
    }
  
    function _emscripten_glRasterPos2sv() {
    err('missing function: emscripten_glRasterPos2sv'); abort(-1);
    }
  
    function _emscripten_glRasterPos3d() {
    err('missing function: emscripten_glRasterPos3d'); abort(-1);
    }
  
    function _emscripten_glRasterPos3dv() {
    err('missing function: emscripten_glRasterPos3dv'); abort(-1);
    }
  
    function _emscripten_glRasterPos3f() {
    err('missing function: emscripten_glRasterPos3f'); abort(-1);
    }
  
    function _emscripten_glRasterPos3fv() {
    err('missing function: emscripten_glRasterPos3fv'); abort(-1);
    }
  
    function _emscripten_glRasterPos3i() {
    err('missing function: emscripten_glRasterPos3i'); abort(-1);
    }
  
    function _emscripten_glRasterPos3iv() {
    err('missing function: emscripten_glRasterPos3iv'); abort(-1);
    }
  
    function _emscripten_glRasterPos3s() {
    err('missing function: emscripten_glRasterPos3s'); abort(-1);
    }
  
    function _emscripten_glRasterPos3sv() {
    err('missing function: emscripten_glRasterPos3sv'); abort(-1);
    }
  
    function _emscripten_glRasterPos4d() {
    err('missing function: emscripten_glRasterPos4d'); abort(-1);
    }
  
    function _emscripten_glRasterPos4dv() {
    err('missing function: emscripten_glRasterPos4dv'); abort(-1);
    }
  
    function _emscripten_glRasterPos4f() {
    err('missing function: emscripten_glRasterPos4f'); abort(-1);
    }
  
    function _emscripten_glRasterPos4fv() {
    err('missing function: emscripten_glRasterPos4fv'); abort(-1);
    }
  
    function _emscripten_glRasterPos4i() {
    err('missing function: emscripten_glRasterPos4i'); abort(-1);
    }
  
    function _emscripten_glRasterPos4iv() {
    err('missing function: emscripten_glRasterPos4iv'); abort(-1);
    }
  
    function _emscripten_glRasterPos4s() {
    err('missing function: emscripten_glRasterPos4s'); abort(-1);
    }
  
    function _emscripten_glRasterPos4sv() {
    err('missing function: emscripten_glRasterPos4sv'); abort(-1);
    }
  
    
    
    function __computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
        function roundedToNextMultipleOf(x, y) {
          return Math.ceil(x/y)*y;
        }
        var plainRowSize = width * sizePerPixel;
        var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
        return height * alignedRowSize;
      }
    
    var __colorChannelsInGlTextureFormat={6402:1,6403:1,6406:1,6407:3,6408:4,6409:1,6410:2,33319:2,33320:2,35904:3,35906:4,36244:1,36248:3,36249:4};
    
    var __sizeOfGlTextureElementType={5120:1,5121:1,5122:2,5123:2,5124:4,5125:4,5126:4,5131:2,32819:2,32820:2,33635:2,33640:4,34042:4,35899:4,35902:4,36193:2};function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) {
        var sizePerPixel = __colorChannelsInGlTextureFormat[format] * __sizeOfGlTextureElementType[type];
        if (!sizePerPixel) {
          GL.recordError(0x0500); // GL_INVALID_ENUM
          return;
        }
        var bytes = __computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
        var end = pixels + bytes;
        switch(type) {
          case 0x1400 /* GL_BYTE */:
            return HEAP8.subarray(pixels, end);
          case 0x1401 /* GL_UNSIGNED_BYTE */:
            return HEAPU8.subarray(pixels, end);
          case 0x1402 /* GL_SHORT */:
            return HEAP16.subarray(pixels>>1, end>>1);
          case 0x1404 /* GL_INT */:
            return HEAP32.subarray(pixels>>2, end>>2);
          case 0x1406 /* GL_FLOAT */:
            return HEAPF32.subarray(pixels>>2, end>>2);
          case 0x1405 /* GL_UNSIGNED_INT */:
          case 0x84FA /* GL_UNSIGNED_INT_24_8_WEBGL/GL_UNSIGNED_INT_24_8 */:
          case 0x8C3E /* GL_UNSIGNED_INT_5_9_9_9_REV */:
          case 0x8368 /* GL_UNSIGNED_INT_2_10_10_10_REV */:
          case 0x8C3B /* GL_UNSIGNED_INT_10F_11F_11F_REV */:
          case 0x84FA /* GL_UNSIGNED_INT_24_8 */:
            return HEAPU32.subarray(pixels>>2, end>>2);
          case 0x1403 /* GL_UNSIGNED_SHORT */:
          case 0x8363 /* GL_UNSIGNED_SHORT_5_6_5 */:
          case 0x8033 /* GL_UNSIGNED_SHORT_4_4_4_4 */:
          case 0x8034 /* GL_UNSIGNED_SHORT_5_5_5_1 */:
          case 0x8D61 /* GL_HALF_FLOAT_OES */:
          case 0x140B /* GL_HALF_FLOAT */:
            return HEAPU16.subarray(pixels>>1, end>>1);
          default:
            GL.recordError(0x0500); // GL_INVALID_ENUM
        }
      }
    
    function __heapObjectForWebGLType(type) {
        switch(type) {
          case 0x1400 /* GL_BYTE */:
            return HEAP8;
          case 0x1401 /* GL_UNSIGNED_BYTE */:
            return HEAPU8;
          case 0x1402 /* GL_SHORT */:
            return HEAP16;
          case 0x1403 /* GL_UNSIGNED_SHORT */:
          case 0x8363 /* GL_UNSIGNED_SHORT_5_6_5 */:
          case 0x8033 /* GL_UNSIGNED_SHORT_4_4_4_4 */:
          case 0x8034 /* GL_UNSIGNED_SHORT_5_5_5_1 */:
          case 0x8D61 /* GL_HALF_FLOAT_OES */:
          case 0x140B /* GL_HALF_FLOAT */:
            return HEAPU16;
          case 0x1404 /* GL_INT */:
            return HEAP32;
          case 0x1405 /* GL_UNSIGNED_INT */:
          case 0x84FA /* GL_UNSIGNED_INT_24_8_WEBGL/GL_UNSIGNED_INT_24_8 */:
          case 0x8C3E /* GL_UNSIGNED_INT_5_9_9_9_REV */:
          case 0x8368 /* GL_UNSIGNED_INT_2_10_10_10_REV */:
          case 0x8C3B /* GL_UNSIGNED_INT_10F_11F_11F_REV */:
          case 0x84FA /* GL_UNSIGNED_INT_24_8 */:
            return HEAPU32;
          case 0x1406 /* GL_FLOAT */:
            return HEAPF32;
        }
      }
    
    var __heapAccessShiftForWebGLType={5122:1,5123:1,5124:2,5125:2,5126:2,5131:1,32819:1,32820:1,33635:1,33640:2,34042:2,35899:2,35902:2,36193:1};function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          if (GLctx.currentPixelPackBufferBinding) {
            GLctx.readPixels(x, y, width, height, format, type, pixels);
          } else {
            GLctx.readPixels(x, y, width, height, format, type, __heapObjectForWebGLType(type), pixels >> (__heapAccessShiftForWebGLType[type]|0));
          }
          return;
        }
        var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
        if (!pixelData) {
          GL.recordError(0x0500/*GL_INVALID_ENUM*/);
          return;
        }
        GLctx.readPixels(x, y, width, height, format, type, pixelData);
      }
  
    function _emscripten_glRectd() {
    err('missing function: emscripten_glRectd'); abort(-1);
    }
  
    function _emscripten_glRectdv() {
    err('missing function: emscripten_glRectdv'); abort(-1);
    }
  
    function _emscripten_glRectf() {
    err('missing function: emscripten_glRectf'); abort(-1);
    }
  
    function _emscripten_glRectfv() {
    err('missing function: emscripten_glRectfv'); abort(-1);
    }
  
    function _emscripten_glRecti() {
    err('missing function: emscripten_glRecti'); abort(-1);
    }
  
    function _emscripten_glRectiv() {
    err('missing function: emscripten_glRectiv'); abort(-1);
    }
  
    function _emscripten_glRects() {
    err('missing function: emscripten_glRects'); abort(-1);
    }
  
    function _emscripten_glRectsv() {
    err('missing function: emscripten_glRectsv'); abort(-1);
    }
  
    function _emscripten_glReleaseShaderCompiler() {
        // NOP (as allowed by GLES 2.0 spec)
      }
  
    function _emscripten_glRenderMode() {
    err('missing function: emscripten_glRenderMode'); abort(-1);
    }
  
    function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) { GLctx['renderbufferStorage'](x0, x1, x2, x3) }
  
    function _emscripten_glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) { GLctx['renderbufferStorageMultisample'](x0, x1, x2, x3, x4) }
  
    function _emscripten_glResetHistogram() {
    err('missing function: emscripten_glResetHistogram'); abort(-1);
    }
  
    function _emscripten_glResetMinmax() {
    err('missing function: emscripten_glResetMinmax'); abort(-1);
    }
  
    function _emscripten_glSampleCoverage(value, invert) {
        GLctx.sampleCoverage(value, !!invert);
      }
  
    function _emscripten_glScissor(x0, x1, x2, x3) { GLctx['scissor'](x0, x1, x2, x3) }
  
    function _emscripten_glSecondaryColor3b() {
    err('missing function: emscripten_glSecondaryColor3b'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3bv() {
    err('missing function: emscripten_glSecondaryColor3bv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3d() {
    err('missing function: emscripten_glSecondaryColor3d'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3dv() {
    err('missing function: emscripten_glSecondaryColor3dv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3f() {
    err('missing function: emscripten_glSecondaryColor3f'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3fv() {
    err('missing function: emscripten_glSecondaryColor3fv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3i() {
    err('missing function: emscripten_glSecondaryColor3i'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3iv() {
    err('missing function: emscripten_glSecondaryColor3iv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3s() {
    err('missing function: emscripten_glSecondaryColor3s'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3sv() {
    err('missing function: emscripten_glSecondaryColor3sv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3ub() {
    err('missing function: emscripten_glSecondaryColor3ub'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3ubv() {
    err('missing function: emscripten_glSecondaryColor3ubv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3ui() {
    err('missing function: emscripten_glSecondaryColor3ui'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3uiv() {
    err('missing function: emscripten_glSecondaryColor3uiv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3us() {
    err('missing function: emscripten_glSecondaryColor3us'); abort(-1);
    }
  
    function _emscripten_glSecondaryColor3usv() {
    err('missing function: emscripten_glSecondaryColor3usv'); abort(-1);
    }
  
    function _emscripten_glSecondaryColorPointer() {
    err('missing function: emscripten_glSecondaryColorPointer'); abort(-1);
    }
  
    function _emscripten_glSelectBuffer() {
    err('missing function: emscripten_glSelectBuffer'); abort(-1);
    }
  
    function _emscripten_glSeparableFilter2D() {
    err('missing function: emscripten_glSeparableFilter2D'); abort(-1);
    }
  
    function _emscripten_glShaderBinary() {
        GL.recordError(0x0500/*GL_INVALID_ENUM*/);
      }
  
    function _emscripten_glShaderSource(shader, count, string, length) {
        var source = GL.getSource(shader, count, string, length);
    
    
        GLctx.shaderSource(GL.shaders[shader], source);
      }
  
    function _emscripten_glStencilFunc(x0, x1, x2) { GLctx['stencilFunc'](x0, x1, x2) }
  
    function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) { GLctx['stencilFuncSeparate'](x0, x1, x2, x3) }
  
    function _emscripten_glStencilMask(x0) { GLctx['stencilMask'](x0) }
  
    function _emscripten_glStencilMaskSeparate(x0, x1) { GLctx['stencilMaskSeparate'](x0, x1) }
  
    function _emscripten_glStencilOp(x0, x1, x2) { GLctx['stencilOp'](x0, x1, x2) }
  
    function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) { GLctx['stencilOpSeparate'](x0, x1, x2, x3) }
  
    function _emscripten_glTexBuffer() {
    err('missing function: emscripten_glTexBuffer'); abort(-1);
    }
  
    function _emscripten_glTexEnvf() {
    err('missing function: emscripten_glTexEnvf'); abort(-1);
    }
  
    function _emscripten_glTexEnvfv() {
    err('missing function: emscripten_glTexEnvfv'); abort(-1);
    }
  
    function _emscripten_glTexEnvi() {
    err('missing function: emscripten_glTexEnvi'); abort(-1);
    }
  
    function _emscripten_glTexEnviv() {
    err('missing function: emscripten_glTexEnviv'); abort(-1);
    }
  
    function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
        if (GL.currentContext.supportsWebGL2EntryPoints) {
          // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          if (GLctx.currentPixelUnpackBufferBinding) {
            GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
          } else if (pixels != 0) {
            GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, __heapObjectForWebGLType(type), pixels >> (__heapAccessShiftForWebGLType[type]|0));
          } else {
            GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null);
          }
          return;
        }
    
        var pixelData = null;
        if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat);
        GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixelData);
      }
  
    function _emscripten_glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) {
        if (GLctx.currentPixelUnpackBufferBinding) {
          GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, pixels);
        } else if (pixels != 0) {
          GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, __heapObjectForWebGLType(type), pixels >> (__heapAccessShiftForWebGLType[type]|0));
        } else {
          GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, null);
        }
      }
  
    function _emscripten_glTexParameterIiv() {
    err('missing function: emscripten_glTexParameterIiv'); abort(-1);
    }
  
    function _emscripten_glTexParameterIuiv() {
    err('missing function: emscripten_glTexParameterIuiv'); abort(-1);
    }
  
    function _emscripten_glTexParameterf(x0, x1, x2) { GLctx['texParameterf'](x0, x1, x2) }
  
    function _emscripten_glTexParameterfv(target, pname, params) {
        var param = HEAPF32[((params)>>2)];
        GLctx.texParameterf(target, pname, param);
      }
  
    function _emscripten_glTexParameteri(x0, x1, x2) { GLctx['texParameteri'](x0, x1, x2) }
  
    function _emscripten_glTexParameteriv(target, pname, params) {
        var param = HEAP32[((params)>>2)];
        GLctx.texParameteri(target, pname, param);
      }
  
    function _emscripten_glTexStorage2D(x0, x1, x2, x3, x4) { GLctx['texStorage2D'](x0, x1, x2, x3, x4) }
  
    function _emscripten_glTexStorage3D(x0, x1, x2, x3, x4, x5) { GLctx['texStorage3D'](x0, x1, x2, x3, x4, x5) }
  
    function _emscripten_glTexSubImage1D() {
    err('missing function: emscripten_glTexSubImage1D'); abort(-1);
    }
  
    function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
        if (GL.currentContext.supportsWebGL2EntryPoints) {
          // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          if (GLctx.currentPixelUnpackBufferBinding) {
            GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
          } else if (pixels != 0) {
            GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, __heapObjectForWebGLType(type), pixels >> (__heapAccessShiftForWebGLType[type]|0));
          } else {
            GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null);
          }
          return;
        }
        var pixelData = null;
        if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
        GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
      }
  
    function _emscripten_glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
        if (GLctx.currentPixelUnpackBufferBinding) {
          GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
        } else if (pixels != 0) {
          GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, __heapObjectForWebGLType(type), pixels >> (__heapAccessShiftForWebGLType[type]|0));
        } else {
          GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
        }
      }
  
    function _emscripten_glTransformFeedbackVaryings(program, count, varyings, bufferMode) {
        program = GL.programs[program];
        var vars = [];
        for (var i = 0; i < count; i++)
          vars.push(UTF8ToString(HEAP32[(((varyings)+(i*4))>>2)]));
    
        GLctx['transformFeedbackVaryings'](program, vars, bufferMode);
      }
  
    function _emscripten_glUniform1f(location, v0) {
        GLctx.uniform1f(GL.uniforms[location], v0);
      }
  
    function _emscripten_glUniform1fv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform1fv(GL.uniforms[location], HEAPF32, value>>2, count);
          return;
        }
    
        if (count <= GL.MINI_TEMP_BUFFER_SIZE) {
          // avoid allocation when uploading few enough uniforms
          var view = GL.miniTempBufferViews[count-1];
          for (var i = 0; i < count; ++i) {
            view[i] = HEAPF32[(((value)+(4*i))>>2)];
          }
        } else
        {
          var view = HEAPF32.subarray((value)>>2,(value+count*4)>>2);
        }
        GLctx.uniform1fv(GL.uniforms[location], view);
      }
  
    function _emscripten_glUniform1i(location, v0) {
        GLctx.uniform1i(GL.uniforms[location], v0);
      }
  
    function _emscripten_glUniform1iv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform1iv(GL.uniforms[location], HEAP32, value>>2, count);
          return;
        }
    
        GLctx.uniform1iv(GL.uniforms[location], HEAP32.subarray((value)>>2,(value+count*4)>>2));
      }
  
    function _emscripten_glUniform1ui(location, v0) {
        GLctx.uniform1ui(GL.uniforms[location], v0);
      }
  
    function _emscripten_glUniform1uiv(location, count, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform1uiv(GL.uniforms[location], HEAPU32, value>>2, count);
        } else {
          GLctx.uniform1uiv(GL.uniforms[location], HEAPU32.subarray((value)>>2,(value+count*4)>>2));
        }
      }
  
    function _emscripten_glUniform2f(location, v0, v1) {
        GLctx.uniform2f(GL.uniforms[location], v0, v1);
      }
  
    function _emscripten_glUniform2fv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform2fv(GL.uniforms[location], HEAPF32, value>>2, count*2);
          return;
        }
    
        if (2*count <= GL.MINI_TEMP_BUFFER_SIZE) {
          // avoid allocation when uploading few enough uniforms
          var view = GL.miniTempBufferViews[2*count-1];
          for (var i = 0; i < 2*count; i += 2) {
            view[i] = HEAPF32[(((value)+(4*i))>>2)];
            view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
          }
        } else
        {
          var view = HEAPF32.subarray((value)>>2,(value+count*8)>>2);
        }
        GLctx.uniform2fv(GL.uniforms[location], view);
      }
  
    function _emscripten_glUniform2i(location, v0, v1) {
        GLctx.uniform2i(GL.uniforms[location], v0, v1);
      }
  
    function _emscripten_glUniform2iv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform2iv(GL.uniforms[location], HEAP32, value>>2, count*2);
          return;
        }
    
        GLctx.uniform2iv(GL.uniforms[location], HEAP32.subarray((value)>>2,(value+count*8)>>2));
      }
  
    function _emscripten_glUniform2ui(location, v0, v1) {
        GLctx.uniform2ui(GL.uniforms[location], v0, v1);
      }
  
    function _emscripten_glUniform2uiv(location, count, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform2uiv(GL.uniforms[location], HEAPU32, value>>2, count*2);
        } else {
          GLctx.uniform2uiv(GL.uniforms[location], HEAPU32.subarray((value)>>2,(value+count*8)>>2));
        }
      }
  
    function _emscripten_glUniform3f(location, v0, v1, v2) {
        GLctx.uniform3f(GL.uniforms[location], v0, v1, v2);
      }
  
    function _emscripten_glUniform3fv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform3fv(GL.uniforms[location], HEAPF32, value>>2, count*3);
          return;
        }
    
        if (3*count <= GL.MINI_TEMP_BUFFER_SIZE) {
          // avoid allocation when uploading few enough uniforms
          var view = GL.miniTempBufferViews[3*count-1];
          for (var i = 0; i < 3*count; i += 3) {
            view[i] = HEAPF32[(((value)+(4*i))>>2)];
            view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
            view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
          }
        } else
        {
          var view = HEAPF32.subarray((value)>>2,(value+count*12)>>2);
        }
        GLctx.uniform3fv(GL.uniforms[location], view);
      }
  
    function _emscripten_glUniform3i(location, v0, v1, v2) {
        GLctx.uniform3i(GL.uniforms[location], v0, v1, v2);
      }
  
    function _emscripten_glUniform3iv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform3iv(GL.uniforms[location], HEAP32, value>>2, count*3);
          return;
        }
    
        GLctx.uniform3iv(GL.uniforms[location], HEAP32.subarray((value)>>2,(value+count*12)>>2));
      }
  
    function _emscripten_glUniform3ui(location, v0, v1, v2) {
        GLctx.uniform3ui(GL.uniforms[location], v0, v1, v2);
      }
  
    function _emscripten_glUniform3uiv(location, count, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform3uiv(GL.uniforms[location], HEAPU32, value>>2, count*3);
        } else {
          GLctx.uniform3uiv(GL.uniforms[location], HEAPU32.subarray((value)>>2,(value+count*12)>>2));
        }
      }
  
    function _emscripten_glUniform4f(location, v0, v1, v2, v3) {
        GLctx.uniform4f(GL.uniforms[location], v0, v1, v2, v3);
      }
  
    function _emscripten_glUniform4fv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform4fv(GL.uniforms[location], HEAPF32, value>>2, count*4);
          return;
        }
    
        if (4*count <= GL.MINI_TEMP_BUFFER_SIZE) {
          // avoid allocation when uploading few enough uniforms
          var view = GL.miniTempBufferViews[4*count-1];
          for (var i = 0; i < 4*count; i += 4) {
            view[i] = HEAPF32[(((value)+(4*i))>>2)];
            view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
            view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
            view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
          }
        } else
        {
          var view = HEAPF32.subarray((value)>>2,(value+count*16)>>2);
        }
        GLctx.uniform4fv(GL.uniforms[location], view);
      }
  
    function _emscripten_glUniform4i(location, v0, v1, v2, v3) {
        GLctx.uniform4i(GL.uniforms[location], v0, v1, v2, v3);
      }
  
    function _emscripten_glUniform4iv(location, count, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform4iv(GL.uniforms[location], HEAP32, value>>2, count*4);
          return;
        }
    
        GLctx.uniform4iv(GL.uniforms[location], HEAP32.subarray((value)>>2,(value+count*16)>>2));
      }
  
    function _emscripten_glUniform4ui(location, v0, v1, v2, v3) {
        GLctx.uniform4ui(GL.uniforms[location], v0, v1, v2, v3);
      }
  
    function _emscripten_glUniform4uiv(location, count, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniform4uiv(GL.uniforms[location], HEAPU32, value>>2, count*4);
        } else {
          GLctx.uniform4uiv(GL.uniforms[location], HEAPU32.subarray((value)>>2,(value+count*16)>>2));
        }
      }
  
    function _emscripten_glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
        program = GL.programs[program];
    
        GLctx['uniformBlockBinding'](program, uniformBlockIndex, uniformBlockBinding);
      }
  
    function _emscripten_glUniformMatrix2fv(location, count, transpose, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix2fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*4);
          return;
        }
    
        if (4*count <= GL.MINI_TEMP_BUFFER_SIZE) {
          // avoid allocation when uploading few enough uniforms
          var view = GL.miniTempBufferViews[4*count-1];
          for (var i = 0; i < 4*count; i += 4) {
            view[i] = HEAPF32[(((value)+(4*i))>>2)];
            view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
            view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
            view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
          }
        } else
        {
          var view = HEAPF32.subarray((value)>>2,(value+count*16)>>2);
        }
        GLctx.uniformMatrix2fv(GL.uniforms[location], !!transpose, view);
      }
  
    function _emscripten_glUniformMatrix2x3fv(location, count, transpose, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix2x3fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*6);
        } else {
          GLctx.uniformMatrix2x3fv(GL.uniforms[location], !!transpose, HEAPF32.subarray((value)>>2,(value+count*24)>>2));
        }
      }
  
    function _emscripten_glUniformMatrix2x4fv(location, count, transpose, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix2x4fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*8);
        } else {
          GLctx.uniformMatrix2x4fv(GL.uniforms[location], !!transpose, HEAPF32.subarray((value)>>2,(value+count*32)>>2));
        }
      }
  
    function _emscripten_glUniformMatrix3fv(location, count, transpose, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix3fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*9);
          return;
        }
    
        if (9*count <= GL.MINI_TEMP_BUFFER_SIZE) {
          // avoid allocation when uploading few enough uniforms
          var view = GL.miniTempBufferViews[9*count-1];
          for (var i = 0; i < 9*count; i += 9) {
            view[i] = HEAPF32[(((value)+(4*i))>>2)];
            view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
            view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
            view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
            view[i+4] = HEAPF32[(((value)+(4*i+16))>>2)];
            view[i+5] = HEAPF32[(((value)+(4*i+20))>>2)];
            view[i+6] = HEAPF32[(((value)+(4*i+24))>>2)];
            view[i+7] = HEAPF32[(((value)+(4*i+28))>>2)];
            view[i+8] = HEAPF32[(((value)+(4*i+32))>>2)];
          }
        } else
        {
          var view = HEAPF32.subarray((value)>>2,(value+count*36)>>2);
        }
        GLctx.uniformMatrix3fv(GL.uniforms[location], !!transpose, view);
      }
  
    function _emscripten_glUniformMatrix3x2fv(location, count, transpose, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix3x2fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*6);
        } else {
          GLctx.uniformMatrix3x2fv(GL.uniforms[location], !!transpose, HEAPF32.subarray((value)>>2,(value+count*24)>>2));
        }
      }
  
    function _emscripten_glUniformMatrix3x4fv(location, count, transpose, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix3x4fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*12);
        } else {
          GLctx.uniformMatrix3x4fv(GL.uniforms[location], !!transpose, HEAPF32.subarray((value)>>2,(value+count*48)>>2));
        }
      }
  
    function _emscripten_glUniformMatrix4fv(location, count, transpose, value) {
    
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix4fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*16);
          return;
        }
    
        if (16*count <= GL.MINI_TEMP_BUFFER_SIZE) {
          // avoid allocation when uploading few enough uniforms
          var view = GL.miniTempBufferViews[16*count-1];
          for (var i = 0; i < 16*count; i += 16) {
            view[i] = HEAPF32[(((value)+(4*i))>>2)];
            view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
            view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
            view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
            view[i+4] = HEAPF32[(((value)+(4*i+16))>>2)];
            view[i+5] = HEAPF32[(((value)+(4*i+20))>>2)];
            view[i+6] = HEAPF32[(((value)+(4*i+24))>>2)];
            view[i+7] = HEAPF32[(((value)+(4*i+28))>>2)];
            view[i+8] = HEAPF32[(((value)+(4*i+32))>>2)];
            view[i+9] = HEAPF32[(((value)+(4*i+36))>>2)];
            view[i+10] = HEAPF32[(((value)+(4*i+40))>>2)];
            view[i+11] = HEAPF32[(((value)+(4*i+44))>>2)];
            view[i+12] = HEAPF32[(((value)+(4*i+48))>>2)];
            view[i+13] = HEAPF32[(((value)+(4*i+52))>>2)];
            view[i+14] = HEAPF32[(((value)+(4*i+56))>>2)];
            view[i+15] = HEAPF32[(((value)+(4*i+60))>>2)];
          }
        } else
        {
          var view = HEAPF32.subarray((value)>>2,(value+count*64)>>2);
        }
        GLctx.uniformMatrix4fv(GL.uniforms[location], !!transpose, view);
      }
  
    function _emscripten_glUniformMatrix4x2fv(location, count, transpose, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix4x2fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*8);
        } else {
          GLctx.uniformMatrix4x2fv(GL.uniforms[location], !!transpose, HEAPF32.subarray((value)>>2,(value+count*32)>>2));
        }
      }
  
    function _emscripten_glUniformMatrix4x3fv(location, count, transpose, value) {
        if (GL.currentContext.supportsWebGL2EntryPoints) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
          GLctx.uniformMatrix4x3fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*12);
        } else {
          GLctx.uniformMatrix4x3fv(GL.uniforms[location], !!transpose, HEAPF32.subarray((value)>>2,(value+count*48)>>2));
        }
      }
  
    function _emscripten_glUnmapBuffer() {
    err('missing function: emscripten_glUnmapBuffer'); abort(-1);
    }
  
    function _emscripten_glUseProgram(program) {
        GLctx.useProgram(program ? GL.programs[program] : null);
      }
  
    function _emscripten_glUseProgramObjectARB() {
    err('missing function: emscripten_glUseProgramObjectARB'); abort(-1);
    }
  
    function _emscripten_glValidateProgram(program) {
        GLctx.validateProgram(GL.programs[program]);
      }
  
    function _emscripten_glVertexAttrib1d() {
    err('missing function: emscripten_glVertexAttrib1d'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib1dv() {
    err('missing function: emscripten_glVertexAttrib1dv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib1f(x0, x1) { GLctx['vertexAttrib1f'](x0, x1) }
  
    function _emscripten_glVertexAttrib1fv(index, v) {
    
        GLctx.vertexAttrib1f(index, HEAPF32[v>>2]);
      }
  
    function _emscripten_glVertexAttrib1s() {
    err('missing function: emscripten_glVertexAttrib1s'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib1sv() {
    err('missing function: emscripten_glVertexAttrib1sv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib2d() {
    err('missing function: emscripten_glVertexAttrib2d'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib2dv() {
    err('missing function: emscripten_glVertexAttrib2dv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib2f(x0, x1, x2) { GLctx['vertexAttrib2f'](x0, x1, x2) }
  
    function _emscripten_glVertexAttrib2fv(index, v) {
    
        GLctx.vertexAttrib2f(index, HEAPF32[v>>2], HEAPF32[v+4>>2]);
      }
  
    function _emscripten_glVertexAttrib2s() {
    err('missing function: emscripten_glVertexAttrib2s'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib2sv() {
    err('missing function: emscripten_glVertexAttrib2sv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib3d() {
    err('missing function: emscripten_glVertexAttrib3d'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib3dv() {
    err('missing function: emscripten_glVertexAttrib3dv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib3f(x0, x1, x2, x3) { GLctx['vertexAttrib3f'](x0, x1, x2, x3) }
  
    function _emscripten_glVertexAttrib3fv(index, v) {
    
        GLctx.vertexAttrib3f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2]);
      }
  
    function _emscripten_glVertexAttrib3s() {
    err('missing function: emscripten_glVertexAttrib3s'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib3sv() {
    err('missing function: emscripten_glVertexAttrib3sv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4Nbv() {
    err('missing function: emscripten_glVertexAttrib4Nbv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4Niv() {
    err('missing function: emscripten_glVertexAttrib4Niv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4Nsv() {
    err('missing function: emscripten_glVertexAttrib4Nsv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4Nub() {
    err('missing function: emscripten_glVertexAttrib4Nub'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4Nubv() {
    err('missing function: emscripten_glVertexAttrib4Nubv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4Nuiv() {
    err('missing function: emscripten_glVertexAttrib4Nuiv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4Nusv() {
    err('missing function: emscripten_glVertexAttrib4Nusv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4bv() {
    err('missing function: emscripten_glVertexAttrib4bv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4d() {
    err('missing function: emscripten_glVertexAttrib4d'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4dv() {
    err('missing function: emscripten_glVertexAttrib4dv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) { GLctx['vertexAttrib4f'](x0, x1, x2, x3, x4) }
  
    function _emscripten_glVertexAttrib4fv(index, v) {
    
        GLctx.vertexAttrib4f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2], HEAPF32[v+12>>2]);
      }
  
    function _emscripten_glVertexAttrib4iv() {
    err('missing function: emscripten_glVertexAttrib4iv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4s() {
    err('missing function: emscripten_glVertexAttrib4s'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4sv() {
    err('missing function: emscripten_glVertexAttrib4sv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4ubv() {
    err('missing function: emscripten_glVertexAttrib4ubv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4uiv() {
    err('missing function: emscripten_glVertexAttrib4uiv'); abort(-1);
    }
  
    function _emscripten_glVertexAttrib4usv() {
    err('missing function: emscripten_glVertexAttrib4usv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribDivisor(index, divisor) {
        GLctx['vertexAttribDivisor'](index, divisor);
      }
  
    function _emscripten_glVertexAttribI1i() {
    err('missing function: emscripten_glVertexAttribI1i'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI1iv() {
    err('missing function: emscripten_glVertexAttribI1iv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI1ui() {
    err('missing function: emscripten_glVertexAttribI1ui'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI1uiv() {
    err('missing function: emscripten_glVertexAttribI1uiv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI2i() {
    err('missing function: emscripten_glVertexAttribI2i'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI2iv() {
    err('missing function: emscripten_glVertexAttribI2iv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI2ui() {
    err('missing function: emscripten_glVertexAttribI2ui'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI2uiv() {
    err('missing function: emscripten_glVertexAttribI2uiv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI3i() {
    err('missing function: emscripten_glVertexAttribI3i'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI3iv() {
    err('missing function: emscripten_glVertexAttribI3iv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI3ui() {
    err('missing function: emscripten_glVertexAttribI3ui'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI3uiv() {
    err('missing function: emscripten_glVertexAttribI3uiv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI4bv() {
    err('missing function: emscripten_glVertexAttribI4bv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI4i(x0, x1, x2, x3, x4) { GLctx['vertexAttribI4i'](x0, x1, x2, x3, x4) }
  
    function _emscripten_glVertexAttribI4iv(index, v) {
        GLctx.vertexAttribI4i(index, HEAP32[v>>2], HEAP32[v+4>>2], HEAP32[v+8>>2], HEAP32[v+12>>2]);
      }
  
    function _emscripten_glVertexAttribI4sv() {
    err('missing function: emscripten_glVertexAttribI4sv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI4ubv() {
    err('missing function: emscripten_glVertexAttribI4ubv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribI4ui(x0, x1, x2, x3, x4) { GLctx['vertexAttribI4ui'](x0, x1, x2, x3, x4) }
  
    function _emscripten_glVertexAttribI4uiv(index, v) {
        GLctx.vertexAttribI4ui(index, HEAPU32[v>>2], HEAPU32[v+4>>2], HEAPU32[v+8>>2], HEAPU32[v+12>>2]);
      }
  
    function _emscripten_glVertexAttribI4usv() {
    err('missing function: emscripten_glVertexAttribI4usv'); abort(-1);
    }
  
    function _emscripten_glVertexAttribIPointer(index, size, type, stride, ptr) {
        GLctx['vertexAttribIPointer'](index, size, type, stride, ptr);
      }
  
    function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
        GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
      }
  
    function _emscripten_glViewport(x0, x1, x2, x3) { GLctx['viewport'](x0, x1, x2, x3) }
  
    function _emscripten_glWindowPos2d() {
    err('missing function: emscripten_glWindowPos2d'); abort(-1);
    }
  
    function _emscripten_glWindowPos2dv() {
    err('missing function: emscripten_glWindowPos2dv'); abort(-1);
    }
  
    function _emscripten_glWindowPos2f() {
    err('missing function: emscripten_glWindowPos2f'); abort(-1);
    }
  
    function _emscripten_glWindowPos2fv() {
    err('missing function: emscripten_glWindowPos2fv'); abort(-1);
    }
  
    function _emscripten_glWindowPos2i() {
    err('missing function: emscripten_glWindowPos2i'); abort(-1);
    }
  
    function _emscripten_glWindowPos2iv() {
    err('missing function: emscripten_glWindowPos2iv'); abort(-1);
    }
  
    function _emscripten_glWindowPos2s() {
    err('missing function: emscripten_glWindowPos2s'); abort(-1);
    }
  
    function _emscripten_glWindowPos2sv() {
    err('missing function: emscripten_glWindowPos2sv'); abort(-1);
    }
  
    function _emscripten_glWindowPos3d() {
    err('missing function: emscripten_glWindowPos3d'); abort(-1);
    }
  
    function _emscripten_glWindowPos3dv() {
    err('missing function: emscripten_glWindowPos3dv'); abort(-1);
    }
  
    function _emscripten_glWindowPos3f() {
    err('missing function: emscripten_glWindowPos3f'); abort(-1);
    }
  
    function _emscripten_glWindowPos3fv() {
    err('missing function: emscripten_glWindowPos3fv'); abort(-1);
    }
  
    function _emscripten_glWindowPos3i() {
    err('missing function: emscripten_glWindowPos3i'); abort(-1);
    }
  
    function _emscripten_glWindowPos3iv() {
    err('missing function: emscripten_glWindowPos3iv'); abort(-1);
    }
  
    function _emscripten_glWindowPos3s() {
    err('missing function: emscripten_glWindowPos3s'); abort(-1);
    }
  
    function _emscripten_glWindowPos3sv() {
    err('missing function: emscripten_glWindowPos3sv'); abort(-1);
    }
  
    
    
     
    
     function _longjmp(env, value) {
        Module['setThrew'](env, value || 1);
        throw 'longjmp';
      }function _emscripten_longjmp(env, value) {
        _longjmp(env, value);
      }
  
    
    
    function __setLetterbox(element, topBottom, leftRight) {
        if (JSEvents.isInternetExplorer()) {
          // Cannot use padding on IE11, because IE11 computes padding in addition to the size, unlike
          // other browsers, which treat padding to be part of the size.
          // e.g.
          // FF, Chrome: If CSS size = 1920x1080, padding-leftright = 460, padding-topbottomx40, then content size = (1920 - 2*460) x (1080-2*40) = 1000x1000px, and total element size = 1920x1080px.
          //       IE11: If CSS size = 1920x1080, padding-leftright = 460, padding-topbottomx40, then content size = 1920x1080px and total element size = (1920+2*460) x (1080+2*40)px.
          // IE11  treats margin like Chrome and FF treat padding.
          element.style.marginLeft = element.style.marginRight = leftRight + 'px';
          element.style.marginTop = element.style.marginBottom = topBottom + 'px';
        } else {
          // Cannot use margin to specify letterboxes in FF or Chrome, since those ignore margins in fullscreen mode.
          element.style.paddingLeft = element.style.paddingRight = leftRight + 'px';
          element.style.paddingTop = element.style.paddingBottom = topBottom + 'px';
        }
      }function __emscripten_do_request_fullscreen(target, strategy) {
        if (typeof JSEvents.fullscreenEnabled() === 'undefined') return -1;
        if (!JSEvents.fullscreenEnabled()) return -3;
        if (!target) target = '#canvas';
        target = JSEvents.findEventTarget(target);
        if (!target) return -4;
    
        if (!target.requestFullscreen && !target.msRequestFullscreen && !target.mozRequestFullScreen && !target.mozRequestFullscreen && !target.webkitRequestFullscreen) {
          return -3;
        }
    
        var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
    
        // Queue this function call if we're not currently in an event handler and the user saw it appropriate to do so.
        if (!canPerformRequests) {
          if (strategy.deferUntilInEventHandler) {
            JSEvents.deferCall(JSEvents.requestFullscreen, 1 /* priority over pointer lock */, [target, strategy]);
            return 1;
          } else {
            return -2;
          }
        }
    
        return JSEvents.requestFullscreen(target, strategy);
      }
    
    function __registerRestoreOldStyle(canvas) {
        var canvasSize = __get_canvas_element_size(canvas);
        var oldWidth = canvasSize[0];
        var oldHeight = canvasSize[1];
        var oldCssWidth = canvas.style.width;
        var oldCssHeight = canvas.style.height;
        var oldBackgroundColor = canvas.style.backgroundColor; // Chrome reads color from here.
        var oldDocumentBackgroundColor = document.body.style.backgroundColor; // IE11 reads color from here.
        // Firefox always has black background color.
        var oldPaddingLeft = canvas.style.paddingLeft; // Chrome, FF, Safari
        var oldPaddingRight = canvas.style.paddingRight;
        var oldPaddingTop = canvas.style.paddingTop;
        var oldPaddingBottom = canvas.style.paddingBottom;
        var oldMarginLeft = canvas.style.marginLeft; // IE11
        var oldMarginRight = canvas.style.marginRight;
        var oldMarginTop = canvas.style.marginTop;
        var oldMarginBottom = canvas.style.marginBottom;
        var oldDocumentBodyMargin = document.body.style.margin;
        var oldDocumentOverflow = document.documentElement.style.overflow; // Chrome, Firefox
        var oldDocumentScroll = document.body.scroll; // IE
        var oldImageRendering = canvas.style.imageRendering;
    
        function restoreOldStyle() {
          var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
          if (!fullscreenElement) {
            document.removeEventListener('fullscreenchange', restoreOldStyle);
            document.removeEventListener('mozfullscreenchange', restoreOldStyle);
            document.removeEventListener('webkitfullscreenchange', restoreOldStyle);
            document.removeEventListener('MSFullscreenChange', restoreOldStyle);
    
            __set_canvas_element_size(canvas, oldWidth, oldHeight);
    
            canvas.style.width = oldCssWidth;
            canvas.style.height = oldCssHeight;
            canvas.style.backgroundColor = oldBackgroundColor; // Chrome
            // IE11 hack: assigning 'undefined' or an empty string to document.body.style.backgroundColor has no effect, so first assign back the default color
            // before setting the undefined value. Setting undefined value is also important, or otherwise we would later treat that as something that the user
            // had explicitly set so subsequent fullscreen transitions would not set background color properly.
            if (!oldDocumentBackgroundColor) document.body.style.backgroundColor = 'white';
            document.body.style.backgroundColor = oldDocumentBackgroundColor; // IE11
            canvas.style.paddingLeft = oldPaddingLeft; // Chrome, FF, Safari
            canvas.style.paddingRight = oldPaddingRight;
            canvas.style.paddingTop = oldPaddingTop;
            canvas.style.paddingBottom = oldPaddingBottom;
            canvas.style.marginLeft = oldMarginLeft; // IE11
            canvas.style.marginRight = oldMarginRight;
            canvas.style.marginTop = oldMarginTop;
            canvas.style.marginBottom = oldMarginBottom;
            document.body.style.margin = oldDocumentBodyMargin;
            document.documentElement.style.overflow = oldDocumentOverflow; // Chrome, Firefox
            document.body.scroll = oldDocumentScroll; // IE
            canvas.style.imageRendering = oldImageRendering;
            if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, oldWidth, oldHeight);
    
            if (__currentFullscreenStrategy.canvasResizedCallback) {
              Module['dynCall_iiii'](__currentFullscreenStrategy.canvasResizedCallback, 37, 0, __currentFullscreenStrategy.canvasResizedCallbackUserData);
            }
          }
        }
        document.addEventListener('fullscreenchange', restoreOldStyle);
        document.addEventListener('mozfullscreenchange', restoreOldStyle);
        document.addEventListener('webkitfullscreenchange', restoreOldStyle);
        document.addEventListener('MSFullscreenChange', restoreOldStyle);
        return restoreOldStyle;
      }function _emscripten_request_fullscreen_strategy(target, deferUntilInEventHandler, fullscreenStrategy) {
        var strategy = {};
        strategy.scaleMode = HEAP32[((fullscreenStrategy)>>2)];
        strategy.canvasResolutionScaleMode = HEAP32[(((fullscreenStrategy)+(4))>>2)];
        strategy.filteringMode = HEAP32[(((fullscreenStrategy)+(8))>>2)];
        strategy.deferUntilInEventHandler = deferUntilInEventHandler;
        strategy.canvasResizedCallback = HEAP32[(((fullscreenStrategy)+(12))>>2)];
        strategy.canvasResizedCallbackUserData = HEAP32[(((fullscreenStrategy)+(16))>>2)];
        __currentFullscreenStrategy = strategy;
    
        return __emscripten_do_request_fullscreen(target, strategy);
      }
  
    function _emscripten_request_pointerlock(target, deferUntilInEventHandler) {
        if (!target) target = '#canvas';
        target = JSEvents.findEventTarget(target);
        if (!target) return -4;
        if (!target.requestPointerLock && !target.mozRequestPointerLock && !target.webkitRequestPointerLock && !target.msRequestPointerLock) {
          return -1;
        }
    
        var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
    
        // Queue this function call if we're not currently in an event handler and the user saw it appropriate to do so.
        if (!canPerformRequests) {
          if (deferUntilInEventHandler) {
            JSEvents.deferCall(JSEvents.requestPointerLock, 2 /* priority below fullscreen */, [target]);
            return 1;
          } else {
            return -2;
          }
        }
    
        return JSEvents.requestPointerLock(target);
      }
  
    function _emscripten_set_blur_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);
        return 0;
      }
  
    function _emscripten_set_canvas_size(width, height) {
        Browser.setCanvasSize(width, height);
      }
  
    function _emscripten_set_element_css_size(target, width, height) {
        if (target) target = JSEvents.findEventTarget(target);
        else target = Module['canvas'];
        if (!target) return -4;
    
        target.style.width = width + "px";
        target.style.height = height + "px";
    
        return 0;
      }
  
    function _emscripten_set_focus_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);
        return 0;
      }
  
    function _emscripten_set_fullscreenchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        if (typeof JSEvents.fullscreenEnabled() === 'undefined') return -1;
        if (!target) target = document;
        else {
          target = JSEvents.findEventTarget(target);
          if (!target) return -4;
        }
        JSEvents.registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "fullscreenchange", targetThread);
        JSEvents.registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "mozfullscreenchange", targetThread);
        JSEvents.registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "webkitfullscreenchange", targetThread);
        JSEvents.registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "msfullscreenchange", targetThread);
        return 0;
      }
  
    function _emscripten_set_gamepadconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
        if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1;
        JSEvents.registerGamepadEventCallback(window, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
        return 0;
      }
  
    function _emscripten_set_gamepaddisconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
        if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1;
        JSEvents.registerGamepadEventCallback(window, userData, useCapture, callbackfunc, 27, "gamepaddisconnected", targetThread);
        return 0;
      }
  
    function _emscripten_set_keydown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);
        return 0;
      }
  
    function _emscripten_set_keypress_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);
        return 0;
      }
  
    function _emscripten_set_keyup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);
        return 0;
      }
  
  
    function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
        return 0;
      }
  
    function _emscripten_set_mouseenter_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread);
        return 0;
      }
  
    function _emscripten_set_mouseleave_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread);
        return 0;
      }
  
    function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
        return 0;
      }
  
    function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
        return 0;
      }
  
    function _emscripten_set_pointerlockchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        // TODO: Currently not supported in pthreads or in --proxy-to-worker mode. (In pthreads mode, document object is not defined)
        if (!document || !document.body || (!document.body.requestPointerLock && !document.body.mozRequestPointerLock && !document.body.webkitRequestPointerLock && !document.body.msRequestPointerLock)) {
          return -1;
        }
        if (!target) target = document;
        else {
          target = JSEvents.findEventTarget(target);
          if (!target) return -4;
        }
        JSEvents.registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "pointerlockchange", targetThread);
        JSEvents.registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mozpointerlockchange", targetThread);
        JSEvents.registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "webkitpointerlockchange", targetThread);
        JSEvents.registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mspointerlockchange", targetThread);
        return 0;
      }
  
    function _emscripten_set_resize_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);
        return 0;
      }
  
    function _emscripten_set_touchcancel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);
        return 0;
      }
  
    function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
        return 0;
      }
  
    function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
        return 0;
      }
  
    function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);
        return 0;
      }
  
    function _emscripten_set_visibilitychange_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
        JSEvents.registerVisibilityChangeEventCallback(document, userData, useCapture, callbackfunc, 21, "visibilitychange", targetThread);
        return 0;
      }
  
    function _emscripten_set_wheel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
        target = JSEvents.findEventTarget(target);
        if (typeof target.onwheel !== 'undefined') {
          JSEvents.registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
          return 0;
        } else if (typeof target.onmousewheel !== 'undefined') {
          JSEvents.registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "mousewheel", targetThread);
          return 0;
        } else {
          return -1;
        }
      }
  
    function _getenv(name) {
        // char *getenv(const char *name);
        // http://pubs.opengroup.org/onlinepubs/009695399/functions/getenv.html
        if (name === 0) return 0;
        name = UTF8ToString(name);
        if (!ENV.hasOwnProperty(name)) return 0;
    
        if (_getenv.ret) _free(_getenv.ret);
        _getenv.ret = allocateUTF8(ENV[name]);
        return _getenv.ret;
      }
  
    function _gettimeofday(ptr) {
        var now = Date.now();
        HEAP32[((ptr)>>2)]=(now/1000)|0; // seconds
        HEAP32[(((ptr)+(4))>>2)]=((now % 1000)*1000)|0; // microseconds
        return 0;
      }
  
    function _glClear(x0) { GLctx['clear'](x0) }
  
     
  
    var _llvm_cos_f32=Math_cos;
  
    var _llvm_sin_f32=Math_sin;
  
  
    
    function _emscripten_memcpy_big(dest, src, num) {
        HEAPU8.set(HEAPU8.subarray(src, src+num), dest);
        return dest;
      } 
  
     
  
     
  
    
    function _usleep(useconds) {
        // int usleep(useconds_t useconds);
        // http://pubs.opengroup.org/onlinepubs/000095399/functions/usleep.html
        // We're single-threaded, so use a busy loop. Super-ugly.
        var msec = useconds / 1000;
        if ((ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && self['performance'] && self['performance']['now']) {
          var start = self['performance']['now']();
          while (self['performance']['now']() - start < msec) {
            // Do nothing.
          }
        } else {
          var start = Date.now();
          while (Date.now() - start < msec) {
            // Do nothing.
          }
        }
        return 0;
      }function _nanosleep(rqtp, rmtp) {
        // int nanosleep(const struct timespec  *rqtp, struct timespec *rmtp);
        var seconds = HEAP32[((rqtp)>>2)];
        var nanoseconds = HEAP32[(((rqtp)+(4))>>2)];
        if (rmtp !== 0) {
          HEAP32[((rmtp)>>2)]=0;
          HEAP32[(((rmtp)+(4))>>2)]=0;
        }
        return _usleep((seconds * 1e6) + (nanoseconds / 1000));
      }
  
  
     
  
    function _sigaction(signum, act, oldact) {
        //int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
        err('Calling stub instead of sigaction()');
        return 0;
      }
  
    
    var __sigalrm_handler=0;function _signal(sig, func) {
        if (sig == 14 /*SIGALRM*/) {
          __sigalrm_handler = func;
        } else {
          err('Calling stub instead of signal()');
        }
        return 0;
      }
  
  
  FS.staticInit();__ATINIT__.unshift(function() { if (!Module["noFSInit"] && !FS.init.initialized) FS.init() });__ATMAIN__.push(function() { FS.ignorePermissions = false });__ATEXIT__.push(function() { FS.quit() });Module["FS_createFolder"] = FS.createFolder;Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createLink"] = FS.createLink;Module["FS_createDevice"] = FS.createDevice;Module["FS_unlink"] = FS.unlink;;
  __ATINIT__.unshift(function() { TTY.init() });__ATEXIT__.push(function() { TTY.shutdown() });;
  if (ENVIRONMENT_IS_NODE) { var fs = require("fs"); var NODEJS_PATH = require("path"); NODEFS.staticInit(); };
  if (ENVIRONMENT_IS_NODE) {
      _emscripten_get_now = function _emscripten_get_now_actual() {
        var t = process['hrtime']();
        return t[0] * 1e3 + t[1] / 1e6;
      };
    } else if (typeof dateNow !== 'undefined') {
      _emscripten_get_now = dateNow;
    } else if (typeof self === 'object' && self['performance'] && typeof self['performance']['now'] === 'function') {
      _emscripten_get_now = function() { return self['performance']['now'](); };
    } else if (typeof performance === 'object' && typeof performance['now'] === 'function') {
      _emscripten_get_now = function() { return performance['now'](); };
    } else {
      _emscripten_get_now = Date.now;
    };
  Module["requestFullScreen"] = function Module_requestFullScreen(lockPointer, resizeCanvas, vrDevice) { err("Module.requestFullScreen is deprecated. Please call Module.requestFullscreen instead."); Module["requestFullScreen"] = Module["requestFullscreen"]; Browser.requestFullScreen(lockPointer, resizeCanvas, vrDevice) };
    Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas, vrDevice) { Browser.requestFullscreen(lockPointer, resizeCanvas, vrDevice) };
    Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) };
    Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) };
    Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() };
    Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() };
    Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() }
    Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) { return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes) };
  var GLctx; GL.init();
  for (var i = 0; i < 32; i++) __tempFixedLengthArray.push(new Array(i));;
  var ASSERTIONS = true;
  
  // Copyright 2017 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  /** @type {function(string, boolean=, number=)} */
  function intArrayFromString(stringy, dontAddNull, length) {
    var len = length > 0 ? length : lengthBytesUTF8(stringy)+1;
    var u8array = new Array(len);
    var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
    if (dontAddNull) u8array.length = numBytesWritten;
    return u8array;
  }
  
  function intArrayToString(array) {
    var ret = [];
    for (var i = 0; i < array.length; i++) {
      var chr = array[i];
      if (chr > 0xFF) {
        if (ASSERTIONS) {
          assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ')  at offset ' + i + ' not in 0x00-0xFF.');
        }
        chr &= 0xFF;
      }
      ret.push(String.fromCharCode(chr));
    }
    return ret.join('');
  }
  
  
  
  function nullFunc_i(x) { err("Invalid function pointer called with signature 'i'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_ii(x) { err("Invalid function pointer called with signature 'ii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iii(x) { err("Invalid function pointer called with signature 'iii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiii(x) { err("Invalid function pointer called with signature 'iiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiiii(x) { err("Invalid function pointer called with signature 'iiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiiiidii(x) { err("Invalid function pointer called with signature 'iiiiidii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiiiii(x) { err("Invalid function pointer called with signature 'iiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiiiiiii(x) { err("Invalid function pointer called with signature 'iiiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiiiiiiii(x) { err("Invalid function pointer called with signature 'iiiiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiiiiiiiii(x) { err("Invalid function pointer called with signature 'iiiiiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_ji(x) { err("Invalid function pointer called with signature 'ji'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_jiji(x) { err("Invalid function pointer called with signature 'jiji'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_v(x) { err("Invalid function pointer called with signature 'v'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vd(x) { err("Invalid function pointer called with signature 'vd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vdd(x) { err("Invalid function pointer called with signature 'vdd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vddd(x) { err("Invalid function pointer called with signature 'vddd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vdddd(x) { err("Invalid function pointer called with signature 'vdddd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vf(x) { err("Invalid function pointer called with signature 'vf'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vff(x) { err("Invalid function pointer called with signature 'vff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vfff(x) { err("Invalid function pointer called with signature 'vfff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vffff(x) { err("Invalid function pointer called with signature 'vffff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vfi(x) { err("Invalid function pointer called with signature 'vfi'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vi(x) { err("Invalid function pointer called with signature 'vi'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vid(x) { err("Invalid function pointer called with signature 'vid'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vidd(x) { err("Invalid function pointer called with signature 'vidd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viddd(x) { err("Invalid function pointer called with signature 'viddd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vidddd(x) { err("Invalid function pointer called with signature 'vidddd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viddidd(x) { err("Invalid function pointer called with signature 'viddidd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viddiiddiii(x) { err("Invalid function pointer called with signature 'viddiiddiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viddiii(x) { err("Invalid function pointer called with signature 'viddiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vif(x) { err("Invalid function pointer called with signature 'vif'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viff(x) { err("Invalid function pointer called with signature 'viff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vifff(x) { err("Invalid function pointer called with signature 'vifff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viffff(x) { err("Invalid function pointer called with signature 'viffff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viffiff(x) { err("Invalid function pointer called with signature 'viffiff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viffiiffiii(x) { err("Invalid function pointer called with signature 'viffiiffiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viffiii(x) { err("Invalid function pointer called with signature 'viffiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_vii(x) { err("Invalid function pointer called with signature 'vii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viidddd(x) { err("Invalid function pointer called with signature 'viidddd'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viif(x) { err("Invalid function pointer called with signature 'viif'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiffff(x) { err("Invalid function pointer called with signature 'viiffff'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiffffi(x) { err("Invalid function pointer called with signature 'viiffffi'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viifi(x) { err("Invalid function pointer called with signature 'viifi'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viii(x) { err("Invalid function pointer called with signature 'viii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiii(x) { err("Invalid function pointer called with signature 'viiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiiii(x) { err("Invalid function pointer called with signature 'viiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiiiii(x) { err("Invalid function pointer called with signature 'viiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiiiiii(x) { err("Invalid function pointer called with signature 'viiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiiiiiii(x) { err("Invalid function pointer called with signature 'viiiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiiiiiiii(x) { err("Invalid function pointer called with signature 'viiiiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiiiiiiiii(x) { err("Invalid function pointer called with signature 'viiiiiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_viiiiiiiiiii(x) { err("Invalid function pointer called with signature 'viiiiiiiiiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  Module['wasmTableSize'] = 62208;
  
  Module['wasmMaxTableSize'] = 62208;
  
  function invoke_i(index) {
    var sp = stackSave();
    try {
      return Module["dynCall_i"](index);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_ii(index,a1) {
    var sp = stackSave();
    try {
      return Module["dynCall_ii"](index,a1);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_iii(index,a1,a2) {
    var sp = stackSave();
    try {
      return Module["dynCall_iii"](index,a1,a2);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_iiii(index,a1,a2,a3) {
    var sp = stackSave();
    try {
      return Module["dynCall_iiii"](index,a1,a2,a3);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_iiiii(index,a1,a2,a3,a4) {
    var sp = stackSave();
    try {
      return Module["dynCall_iiiii"](index,a1,a2,a3,a4);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_iiiiii(index,a1,a2,a3,a4,a5) {
    var sp = stackSave();
    try {
      return Module["dynCall_iiiiii"](index,a1,a2,a3,a4,a5);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_iiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8) {
    var sp = stackSave();
    try {
      return Module["dynCall_iiiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_iiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9) {
    var sp = stackSave();
    try {
      return Module["dynCall_iiiiiiiiii"](index,a1,a2,a3,a4,a5,a6,a7,a8,a9);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_jiji(index,a1,a2,a3,a4) {
    var sp = stackSave();
    try {
      return Module["dynCall_jiji"](index,a1,a2,a3,a4);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_vi(index,a1) {
    var sp = stackSave();
    try {
      Module["dynCall_vi"](index,a1);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_vii(index,a1,a2) {
    var sp = stackSave();
    try {
      Module["dynCall_vii"](index,a1,a2);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_viii(index,a1,a2,a3) {
    var sp = stackSave();
    try {
      Module["dynCall_viii"](index,a1,a2,a3);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_viiii(index,a1,a2,a3,a4) {
    var sp = stackSave();
    try {
      Module["dynCall_viiii"](index,a1,a2,a3,a4);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  Module.asmGlobalArg = {};
  
  Module.asmLibraryArg = { "abort": abort, "assert": assert, "enlargeMemory": enlargeMemory, "getTotalMemory": getTotalMemory, "setTempRet0": setTempRet0, "getTempRet0": getTempRet0, "abortOnCannotGrowMemory": abortOnCannotGrowMemory, "abortStackOverflow": abortStackOverflow, "nullFunc_i": nullFunc_i, "nullFunc_ii": nullFunc_ii, "nullFunc_iii": nullFunc_iii, "nullFunc_iiii": nullFunc_iiii, "nullFunc_iiiii": nullFunc_iiiii, "nullFunc_iiiiidii": nullFunc_iiiiidii, "nullFunc_iiiiii": nullFunc_iiiiii, "nullFunc_iiiiiiii": nullFunc_iiiiiiii, "nullFunc_iiiiiiiii": nullFunc_iiiiiiiii, "nullFunc_iiiiiiiiii": nullFunc_iiiiiiiiii, "nullFunc_ji": nullFunc_ji, "nullFunc_jiji": nullFunc_jiji, "nullFunc_v": nullFunc_v, "nullFunc_vd": nullFunc_vd, "nullFunc_vdd": nullFunc_vdd, "nullFunc_vddd": nullFunc_vddd, "nullFunc_vdddd": nullFunc_vdddd, "nullFunc_vf": nullFunc_vf, "nullFunc_vff": nullFunc_vff, "nullFunc_vfff": nullFunc_vfff, "nullFunc_vffff": nullFunc_vffff, "nullFunc_vfi": nullFunc_vfi, "nullFunc_vi": nullFunc_vi, "nullFunc_vid": nullFunc_vid, "nullFunc_vidd": nullFunc_vidd, "nullFunc_viddd": nullFunc_viddd, "nullFunc_vidddd": nullFunc_vidddd, "nullFunc_viddidd": nullFunc_viddidd, "nullFunc_viddiiddiii": nullFunc_viddiiddiii, "nullFunc_viddiii": nullFunc_viddiii, "nullFunc_vif": nullFunc_vif, "nullFunc_viff": nullFunc_viff, "nullFunc_vifff": nullFunc_vifff, "nullFunc_viffff": nullFunc_viffff, "nullFunc_viffiff": nullFunc_viffiff, "nullFunc_viffiiffiii": nullFunc_viffiiffiii, "nullFunc_viffiii": nullFunc_viffiii, "nullFunc_vii": nullFunc_vii, "nullFunc_viidddd": nullFunc_viidddd, "nullFunc_viif": nullFunc_viif, "nullFunc_viiffff": nullFunc_viiffff, "nullFunc_viiffffi": nullFunc_viiffffi, "nullFunc_viifi": nullFunc_viifi, "nullFunc_viii": nullFunc_viii, "nullFunc_viiii": nullFunc_viiii, "nullFunc_viiiii": nullFunc_viiiii, "nullFunc_viiiiii": nullFunc_viiiiii, "nullFunc_viiiiiii": nullFunc_viiiiiii, "nullFunc_viiiiiiii": nullFunc_viiiiiiii, "nullFunc_viiiiiiiii": nullFunc_viiiiiiiii, "nullFunc_viiiiiiiiii": nullFunc_viiiiiiiiii, "nullFunc_viiiiiiiiiii": nullFunc_viiiiiiiiiii, "invoke_i": invoke_i, "invoke_ii": invoke_ii, "invoke_iii": invoke_iii, "invoke_iiii": invoke_iiii, "invoke_iiiii": invoke_iiiii, "invoke_iiiiii": invoke_iiiiii, "invoke_iiiiiiiii": invoke_iiiiiiiii, "invoke_iiiiiiiiii": invoke_iiiiiiiiii, "invoke_jiji": invoke_jiji, "invoke_vi": invoke_vi, "invoke_vii": invoke_vii, "invoke_viii": invoke_viii, "invoke_viiii": invoke_viiii, "__ZSt18uncaught_exceptionv": __ZSt18uncaught_exceptionv, "___buildEnvironment": ___buildEnvironment, "___cxa_allocate_exception": ___cxa_allocate_exception, "___cxa_find_matching_catch": ___cxa_find_matching_catch, "___cxa_throw": ___cxa_throw, "___gxx_personality_v0": ___gxx_personality_v0, "___lock": ___lock, "___resumeException": ___resumeException, "___setErrNo": ___setErrNo, "___syscall140": ___syscall140, "___syscall145": ___syscall145, "___syscall146": ___syscall146, "___syscall221": ___syscall221, "___syscall5": ___syscall5, "___syscall54": ___syscall54, "___syscall6": ___syscall6, "___unlock": ___unlock, "__computeUnpackAlignedImageSize": __computeUnpackAlignedImageSize, "__emscripten_do_request_fullscreen": __emscripten_do_request_fullscreen, "__get_canvas_element_size": __get_canvas_element_size, "__glGenObject": __glGenObject, "__heapObjectForWebGLType": __heapObjectForWebGLType, "__registerRestoreOldStyle": __registerRestoreOldStyle, "__setLetterbox": __setLetterbox, "__set_canvas_element_size": __set_canvas_element_size, "_abort": _abort, "_clock_gettime": _clock_gettime, "_dlclose": _dlclose, "_dlerror": _dlerror, "_dlopen": _dlopen, "_dlsym": _dlsym, "_eglBindAPI": _eglBindAPI, "_eglChooseConfig": _eglChooseConfig, "_eglCreateContext": _eglCreateContext, "_eglCreateWindowSurface": _eglCreateWindowSurface, "_eglDestroyContext": _eglDestroyContext, "_eglDestroySurface": _eglDestroySurface, "_eglGetConfigAttrib": _eglGetConfigAttrib, "_eglGetDisplay": _eglGetDisplay, "_eglGetError": _eglGetError, "_eglGetProcAddress": _eglGetProcAddress, "_eglInitialize": _eglInitialize, "_eglMakeCurrent": _eglMakeCurrent, "_eglQueryString": _eglQueryString, "_eglSwapBuffers": _eglSwapBuffers, "_eglSwapInterval": _eglSwapInterval, "_eglTerminate": _eglTerminate, "_eglWaitClient": _eglWaitClient, "_eglWaitGL": _eglWaitGL, "_eglWaitNative": _eglWaitNative, "_emscripten_asm_const_i": _emscripten_asm_const_i, "_emscripten_asm_const_ii": _emscripten_asm_const_ii, "_emscripten_asm_const_iii": _emscripten_asm_const_iii, "_emscripten_asm_const_iiii": _emscripten_asm_const_iiii, "_emscripten_asm_const_iiiii": _emscripten_asm_const_iiiii, "_emscripten_asm_const_iiiiii": _emscripten_asm_const_iiiiii, "_emscripten_exit_fullscreen": _emscripten_exit_fullscreen, "_emscripten_exit_pointerlock": _emscripten_exit_pointerlock, "_emscripten_get_canvas_element_size": _emscripten_get_canvas_element_size, "_emscripten_get_device_pixel_ratio": _emscripten_get_device_pixel_ratio, "_emscripten_get_element_css_size": _emscripten_get_element_css_size, "_emscripten_get_gamepad_status": _emscripten_get_gamepad_status, "_emscripten_get_now": _emscripten_get_now, "_emscripten_get_now_is_monotonic": _emscripten_get_now_is_monotonic, "_emscripten_get_num_gamepads": _emscripten_get_num_gamepads, "_emscripten_get_preloaded_image_data": _emscripten_get_preloaded_image_data, "_emscripten_get_preloaded_image_data_from_FILE": _emscripten_get_preloaded_image_data_from_FILE, "_emscripten_glAccum": _emscripten_glAccum, "_emscripten_glActiveTexture": _emscripten_glActiveTexture, "_emscripten_glAreTexturesResident": _emscripten_glAreTexturesResident, "_emscripten_glArrayElement": _emscripten_glArrayElement, "_emscripten_glAttachObjectARB": _emscripten_glAttachObjectARB, "_emscripten_glAttachShader": _emscripten_glAttachShader, "_emscripten_glBeginConditionalRender": _emscripten_glBeginConditionalRender, "_emscripten_glBeginQuery": _emscripten_glBeginQuery, "_emscripten_glBeginTransformFeedback": _emscripten_glBeginTransformFeedback, "_emscripten_glBindAttribLocation": _emscripten_glBindAttribLocation, "_emscripten_glBindBuffer": _emscripten_glBindBuffer, "_emscripten_glBindBufferBase": _emscripten_glBindBufferBase, "_emscripten_glBindBufferRange": _emscripten_glBindBufferRange, "_emscripten_glBindFragDataLocation": _emscripten_glBindFragDataLocation, "_emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer, "_emscripten_glBindProgramARB": _emscripten_glBindProgramARB, "_emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer, "_emscripten_glBindTexture": _emscripten_glBindTexture, "_emscripten_glBindVertexArray": _emscripten_glBindVertexArray, "_emscripten_glBitmap": _emscripten_glBitmap, "_emscripten_glBlendColor": _emscripten_glBlendColor, "_emscripten_glBlendEquation": _emscripten_glBlendEquation, "_emscripten_glBlendEquationSeparate": _emscripten_glBlendEquationSeparate, "_emscripten_glBlendFunc": _emscripten_glBlendFunc, "_emscripten_glBlendFuncSeparate": _emscripten_glBlendFuncSeparate, "_emscripten_glBlitFramebuffer": _emscripten_glBlitFramebuffer, "_emscripten_glBufferData": _emscripten_glBufferData, "_emscripten_glBufferSubData": _emscripten_glBufferSubData, "_emscripten_glCallList": _emscripten_glCallList, "_emscripten_glCallLists": _emscripten_glCallLists, "_emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus, "_emscripten_glClampColor": _emscripten_glClampColor, "_emscripten_glClear": _emscripten_glClear, "_emscripten_glClearAccum": _emscripten_glClearAccum, "_emscripten_glClearBufferfi": _emscripten_glClearBufferfi, "_emscripten_glClearBufferfv": _emscripten_glClearBufferfv, "_emscripten_glClearBufferiv": _emscripten_glClearBufferiv, "_emscripten_glClearBufferuiv": _emscripten_glClearBufferuiv, "_emscripten_glClearColor": _emscripten_glClearColor, "_emscripten_glClearDepth": _emscripten_glClearDepth, "_emscripten_glClearDepthf": _emscripten_glClearDepthf, "_emscripten_glClearIndex": _emscripten_glClearIndex, "_emscripten_glClearStencil": _emscripten_glClearStencil, "_emscripten_glClipPlane": _emscripten_glClipPlane, "_emscripten_glColorMask": _emscripten_glColorMask, "_emscripten_glColorMaski": _emscripten_glColorMaski, "_emscripten_glColorMaterial": _emscripten_glColorMaterial, "_emscripten_glColorSubTable": _emscripten_glColorSubTable, "_emscripten_glColorTable": _emscripten_glColorTable, "_emscripten_glColorTableParameterfv": _emscripten_glColorTableParameterfv, "_emscripten_glColorTableParameteriv": _emscripten_glColorTableParameteriv, "_emscripten_glCompileShader": _emscripten_glCompileShader, "_emscripten_glCompressedTexImage1D": _emscripten_glCompressedTexImage1D, "_emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D, "_emscripten_glCompressedTexImage3D": _emscripten_glCompressedTexImage3D, "_emscripten_glCompressedTexSubImage1D": _emscripten_glCompressedTexSubImage1D, "_emscripten_glCompressedTexSubImage2D": _emscripten_glCompressedTexSubImage2D, "_emscripten_glCompressedTexSubImage3D": _emscripten_glCompressedTexSubImage3D, "_emscripten_glConvolutionFilter1D": _emscripten_glConvolutionFilter1D, "_emscripten_glConvolutionFilter2D": _emscripten_glConvolutionFilter2D, "_emscripten_glConvolutionParameterf": _emscripten_glConvolutionParameterf, "_emscripten_glConvolutionParameterfv": _emscripten_glConvolutionParameterfv, "_emscripten_glConvolutionParameteri": _emscripten_glConvolutionParameteri, "_emscripten_glConvolutionParameteriv": _emscripten_glConvolutionParameteriv, "_emscripten_glCopyColorSubTable": _emscripten_glCopyColorSubTable, "_emscripten_glCopyColorTable": _emscripten_glCopyColorTable, "_emscripten_glCopyConvolutionFilter1D": _emscripten_glCopyConvolutionFilter1D, "_emscripten_glCopyConvolutionFilter2D": _emscripten_glCopyConvolutionFilter2D, "_emscripten_glCopyPixels": _emscripten_glCopyPixels, "_emscripten_glCopyTexImage1D": _emscripten_glCopyTexImage1D, "_emscripten_glCopyTexImage2D": _emscripten_glCopyTexImage2D, "_emscripten_glCopyTexSubImage1D": _emscripten_glCopyTexSubImage1D, "_emscripten_glCopyTexSubImage2D": _emscripten_glCopyTexSubImage2D, "_emscripten_glCopyTexSubImage3D": _emscripten_glCopyTexSubImage3D, "_emscripten_glCreateProgram": _emscripten_glCreateProgram, "_emscripten_glCreateProgramObjectARB": _emscripten_glCreateProgramObjectARB, "_emscripten_glCreateShader": _emscripten_glCreateShader, "_emscripten_glCreateShaderObjectARB": _emscripten_glCreateShaderObjectARB, "_emscripten_glCullFace": _emscripten_glCullFace, "_emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers, "_emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers, "_emscripten_glDeleteLists": _emscripten_glDeleteLists, "_emscripten_glDeleteProgram": _emscripten_glDeleteProgram, "_emscripten_glDeleteProgramsARB": _emscripten_glDeleteProgramsARB, "_emscripten_glDeleteQueries": _emscripten_glDeleteQueries, "_emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers, "_emscripten_glDeleteShader": _emscripten_glDeleteShader, "_emscripten_glDeleteTextures": _emscripten_glDeleteTextures, "_emscripten_glDeleteVertexArrays": _emscripten_glDeleteVertexArrays, "_emscripten_glDepthFunc": _emscripten_glDepthFunc, "_emscripten_glDepthMask": _emscripten_glDepthMask, "_emscripten_glDepthRange": _emscripten_glDepthRange, "_emscripten_glDepthRangef": _emscripten_glDepthRangef, "_emscripten_glDetachObjectARB": _emscripten_glDetachObjectARB, "_emscripten_glDetachShader": _emscripten_glDetachShader, "_emscripten_glDisable": _emscripten_glDisable, "_emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray, "_emscripten_glDisablei": _emscripten_glDisablei, "_emscripten_glDrawArrays": _emscripten_glDrawArrays, "_emscripten_glDrawArraysInstanced": _emscripten_glDrawArraysInstanced, "_emscripten_glDrawBuffers": _emscripten_glDrawBuffers, "_emscripten_glDrawElements": _emscripten_glDrawElements, "_emscripten_glDrawElementsInstanced": _emscripten_glDrawElementsInstanced, "_emscripten_glDrawPixels": _emscripten_glDrawPixels, "_emscripten_glDrawRangeElements": _emscripten_glDrawRangeElements, "_emscripten_glEdgeFlag": _emscripten_glEdgeFlag, "_emscripten_glEdgeFlagPointer": _emscripten_glEdgeFlagPointer, "_emscripten_glEdgeFlagv": _emscripten_glEdgeFlagv, "_emscripten_glEnable": _emscripten_glEnable, "_emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray, "_emscripten_glEnablei": _emscripten_glEnablei, "_emscripten_glEndConditionalRender": _emscripten_glEndConditionalRender, "_emscripten_glEndList": _emscripten_glEndList, "_emscripten_glEndQuery": _emscripten_glEndQuery, "_emscripten_glEndTransformFeedback": _emscripten_glEndTransformFeedback, "_emscripten_glEvalCoord1d": _emscripten_glEvalCoord1d, "_emscripten_glEvalCoord1dv": _emscripten_glEvalCoord1dv, "_emscripten_glEvalCoord1f": _emscripten_glEvalCoord1f, "_emscripten_glEvalCoord1fv": _emscripten_glEvalCoord1fv, "_emscripten_glEvalCoord2d": _emscripten_glEvalCoord2d, "_emscripten_glEvalCoord2dv": _emscripten_glEvalCoord2dv, "_emscripten_glEvalCoord2f": _emscripten_glEvalCoord2f, "_emscripten_glEvalCoord2fv": _emscripten_glEvalCoord2fv, "_emscripten_glEvalMesh1": _emscripten_glEvalMesh1, "_emscripten_glEvalMesh2": _emscripten_glEvalMesh2, "_emscripten_glEvalPoint1": _emscripten_glEvalPoint1, "_emscripten_glEvalPoint2": _emscripten_glEvalPoint2, "_emscripten_glFeedbackBuffer": _emscripten_glFeedbackBuffer, "_emscripten_glFinish": _emscripten_glFinish, "_emscripten_glFlush": _emscripten_glFlush, "_emscripten_glFogf": _emscripten_glFogf, "_emscripten_glFogfv": _emscripten_glFogfv, "_emscripten_glFogi": _emscripten_glFogi, "_emscripten_glFogiv": _emscripten_glFogiv, "_emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer, "_emscripten_glFramebufferTexture1D": _emscripten_glFramebufferTexture1D, "_emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D, "_emscripten_glFramebufferTexture3D": _emscripten_glFramebufferTexture3D, "_emscripten_glFramebufferTextureLayer": _emscripten_glFramebufferTextureLayer, "_emscripten_glFrontFace": _emscripten_glFrontFace, "_emscripten_glGenBuffers": _emscripten_glGenBuffers, "_emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers, "_emscripten_glGenLists": _emscripten_glGenLists, "_emscripten_glGenProgramsARB": _emscripten_glGenProgramsARB, "_emscripten_glGenQueries": _emscripten_glGenQueries, "_emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers, "_emscripten_glGenTextures": _emscripten_glGenTextures, "_emscripten_glGenVertexArrays": _emscripten_glGenVertexArrays, "_emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap, "_emscripten_glGetActiveAttrib": _emscripten_glGetActiveAttrib, "_emscripten_glGetActiveUniform": _emscripten_glGetActiveUniform, "_emscripten_glGetActiveUniformBlockName": _emscripten_glGetActiveUniformBlockName, "_emscripten_glGetActiveUniformBlockiv": _emscripten_glGetActiveUniformBlockiv, "_emscripten_glGetActiveUniformName": _emscripten_glGetActiveUniformName, "_emscripten_glGetActiveUniformsiv": _emscripten_glGetActiveUniformsiv, "_emscripten_glGetAttachedObjectsARB": _emscripten_glGetAttachedObjectsARB, "_emscripten_glGetAttachedShaders": _emscripten_glGetAttachedShaders, "_emscripten_glGetAttribLocation": _emscripten_glGetAttribLocation, "_emscripten_glGetBooleani_v": _emscripten_glGetBooleani_v, "_emscripten_glGetBooleanv": _emscripten_glGetBooleanv, "_emscripten_glGetBufferParameteriv": _emscripten_glGetBufferParameteriv, "_emscripten_glGetBufferPointerv": _emscripten_glGetBufferPointerv, "_emscripten_glGetBufferSubData": _emscripten_glGetBufferSubData, "_emscripten_glGetClipPlane": _emscripten_glGetClipPlane, "_emscripten_glGetColorTable": _emscripten_glGetColorTable, "_emscripten_glGetColorTableParameterfv": _emscripten_glGetColorTableParameterfv, "_emscripten_glGetColorTableParameteriv": _emscripten_glGetColorTableParameteriv, "_emscripten_glGetCompressedTexImage": _emscripten_glGetCompressedTexImage, "_emscripten_glGetConvolutionFilter": _emscripten_glGetConvolutionFilter, "_emscripten_glGetConvolutionParameterfv": _emscripten_glGetConvolutionParameterfv, "_emscripten_glGetConvolutionParameteriv": _emscripten_glGetConvolutionParameteriv, "_emscripten_glGetDoublev": _emscripten_glGetDoublev, "_emscripten_glGetError": _emscripten_glGetError, "_emscripten_glGetFloatv": _emscripten_glGetFloatv, "_emscripten_glGetFragDataLocation": _emscripten_glGetFragDataLocation, "_emscripten_glGetFramebufferAttachmentParameteriv": _emscripten_glGetFramebufferAttachmentParameteriv, "_emscripten_glGetHandleARB": _emscripten_glGetHandleARB, "_emscripten_glGetHistogram": _emscripten_glGetHistogram, "_emscripten_glGetHistogramParameterfv": _emscripten_glGetHistogramParameterfv, "_emscripten_glGetHistogramParameteriv": _emscripten_glGetHistogramParameteriv, "_emscripten_glGetIntegeri_v": _emscripten_glGetIntegeri_v, "_emscripten_glGetIntegerv": _emscripten_glGetIntegerv, "_emscripten_glGetLightfv": _emscripten_glGetLightfv, "_emscripten_glGetLightiv": _emscripten_glGetLightiv, "_emscripten_glGetMapdv": _emscripten_glGetMapdv, "_emscripten_glGetMapfv": _emscripten_glGetMapfv, "_emscripten_glGetMapiv": _emscripten_glGetMapiv, "_emscripten_glGetMaterialfv": _emscripten_glGetMaterialfv, "_emscripten_glGetMaterialiv": _emscripten_glGetMaterialiv, "_emscripten_glGetMinmax": _emscripten_glGetMinmax, "_emscripten_glGetMinmaxParameterfv": _emscripten_glGetMinmaxParameterfv, "_emscripten_glGetMinmaxParameteriv": _emscripten_glGetMinmaxParameteriv, "_emscripten_glGetObjectParameterfvARB": _emscripten_glGetObjectParameterfvARB, "_emscripten_glGetObjectParameterivARB": _emscripten_glGetObjectParameterivARB, "_emscripten_glGetPixelMapfv": _emscripten_glGetPixelMapfv, "_emscripten_glGetPixelMapuiv": _emscripten_glGetPixelMapuiv, "_emscripten_glGetPixelMapusv": _emscripten_glGetPixelMapusv, "_emscripten_glGetPointerv": _emscripten_glGetPointerv, "_emscripten_glGetPolygonStipple": _emscripten_glGetPolygonStipple, "_emscripten_glGetProgramEnvParameterdvARB": _emscripten_glGetProgramEnvParameterdvARB, "_emscripten_glGetProgramEnvParameterfvARB": _emscripten_glGetProgramEnvParameterfvARB, "_emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog, "_emscripten_glGetProgramLocalParameterdvARB": _emscripten_glGetProgramLocalParameterdvARB, "_emscripten_glGetProgramLocalParameterfvARB": _emscripten_glGetProgramLocalParameterfvARB, "_emscripten_glGetProgramStringARB": _emscripten_glGetProgramStringARB, "_emscripten_glGetProgramiv": _emscripten_glGetProgramiv, "_emscripten_glGetQueryObjectiv": _emscripten_glGetQueryObjectiv, "_emscripten_glGetQueryObjectuiv": _emscripten_glGetQueryObjectuiv, "_emscripten_glGetQueryiv": _emscripten_glGetQueryiv, "_emscripten_glGetRenderbufferParameteriv": _emscripten_glGetRenderbufferParameteriv, "_emscripten_glGetSeparableFilter": _emscripten_glGetSeparableFilter, "_emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog, "_emscripten_glGetShaderPrecisionFormat": _emscripten_glGetShaderPrecisionFormat, "_emscripten_glGetShaderSource": _emscripten_glGetShaderSource, "_emscripten_glGetShaderiv": _emscripten_glGetShaderiv, "_emscripten_glGetString": _emscripten_glGetString, "_emscripten_glGetStringi": _emscripten_glGetStringi, "_emscripten_glGetTexGendv": _emscripten_glGetTexGendv, "_emscripten_glGetTexGenfv": _emscripten_glGetTexGenfv, "_emscripten_glGetTexGeniv": _emscripten_glGetTexGeniv, "_emscripten_glGetTexImage": _emscripten_glGetTexImage, "_emscripten_glGetTexParameterIiv": _emscripten_glGetTexParameterIiv, "_emscripten_glGetTexParameterIuiv": _emscripten_glGetTexParameterIuiv, "_emscripten_glGetTexParameterfv": _emscripten_glGetTexParameterfv, "_emscripten_glGetTexParameteriv": _emscripten_glGetTexParameteriv, "_emscripten_glGetTransformFeedbackVarying": _emscripten_glGetTransformFeedbackVarying, "_emscripten_glGetUniformBlockIndex": _emscripten_glGetUniformBlockIndex, "_emscripten_glGetUniformIndices": _emscripten_glGetUniformIndices, "_emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation, "_emscripten_glGetUniformfv": _emscripten_glGetUniformfv, "_emscripten_glGetUniformiv": _emscripten_glGetUniformiv, "_emscripten_glGetUniformuiv": _emscripten_glGetUniformuiv, "_emscripten_glGetVertexAttribIiv": _emscripten_glGetVertexAttribIiv, "_emscripten_glGetVertexAttribIuiv": _emscripten_glGetVertexAttribIuiv, "_emscripten_glGetVertexAttribPointerv": _emscripten_glGetVertexAttribPointerv, "_emscripten_glGetVertexAttribdv": _emscripten_glGetVertexAttribdv, "_emscripten_glGetVertexAttribfv": _emscripten_glGetVertexAttribfv, "_emscripten_glGetVertexAttribiv": _emscripten_glGetVertexAttribiv, "_emscripten_glHint": _emscripten_glHint, "_emscripten_glHistogram": _emscripten_glHistogram, "_emscripten_glIndexMask": _emscripten_glIndexMask, "_emscripten_glIndexPointer": _emscripten_glIndexPointer, "_emscripten_glIndexd": _emscripten_glIndexd, "_emscripten_glIndexdv": _emscripten_glIndexdv, "_emscripten_glIndexf": _emscripten_glIndexf, "_emscripten_glIndexfv": _emscripten_glIndexfv, "_emscripten_glIndexi": _emscripten_glIndexi, "_emscripten_glIndexiv": _emscripten_glIndexiv, "_emscripten_glIndexs": _emscripten_glIndexs, "_emscripten_glIndexsv": _emscripten_glIndexsv, "_emscripten_glIndexub": _emscripten_glIndexub, "_emscripten_glIndexubv": _emscripten_glIndexubv, "_emscripten_glInitNames": _emscripten_glInitNames, "_emscripten_glInterleavedArrays": _emscripten_glInterleavedArrays, "_emscripten_glIsBuffer": _emscripten_glIsBuffer, "_emscripten_glIsEnabled": _emscripten_glIsEnabled, "_emscripten_glIsEnabledi": _emscripten_glIsEnabledi, "_emscripten_glIsFramebuffer": _emscripten_glIsFramebuffer, "_emscripten_glIsList": _emscripten_glIsList, "_emscripten_glIsProgram": _emscripten_glIsProgram, "_emscripten_glIsQuery": _emscripten_glIsQuery, "_emscripten_glIsRenderbuffer": _emscripten_glIsRenderbuffer, "_emscripten_glIsShader": _emscripten_glIsShader, "_emscripten_glIsTexture": _emscripten_glIsTexture, "_emscripten_glIsVertexArray": _emscripten_glIsVertexArray, "_emscripten_glLineStipple": _emscripten_glLineStipple, "_emscripten_glLineWidth": _emscripten_glLineWidth, "_emscripten_glLinkProgram": _emscripten_glLinkProgram, "_emscripten_glListBase": _emscripten_glListBase, "_emscripten_glLoadName": _emscripten_glLoadName, "_emscripten_glLoadTransposeMatrixd": _emscripten_glLoadTransposeMatrixd, "_emscripten_glLoadTransposeMatrixf": _emscripten_glLoadTransposeMatrixf, "_emscripten_glLogicOp": _emscripten_glLogicOp, "_emscripten_glMap1d": _emscripten_glMap1d, "_emscripten_glMap1f": _emscripten_glMap1f, "_emscripten_glMap2d": 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_emscripten_set_focus_callback_on_thread, "_emscripten_set_fullscreenchange_callback_on_thread": _emscripten_set_fullscreenchange_callback_on_thread, "_emscripten_set_gamepadconnected_callback_on_thread": _emscripten_set_gamepadconnected_callback_on_thread, "_emscripten_set_gamepaddisconnected_callback_on_thread": _emscripten_set_gamepaddisconnected_callback_on_thread, "_emscripten_set_keydown_callback_on_thread": _emscripten_set_keydown_callback_on_thread, "_emscripten_set_keypress_callback_on_thread": _emscripten_set_keypress_callback_on_thread, "_emscripten_set_keyup_callback_on_thread": _emscripten_set_keyup_callback_on_thread, "_emscripten_set_main_loop": _emscripten_set_main_loop, "_emscripten_set_main_loop_timing": _emscripten_set_main_loop_timing, "_emscripten_set_mousedown_callback_on_thread": _emscripten_set_mousedown_callback_on_thread, "_emscripten_set_mouseenter_callback_on_thread": _emscripten_set_mouseenter_callback_on_thread, "_emscripten_set_mouseleave_callback_on_thread": _emscripten_set_mouseleave_callback_on_thread, "_emscripten_set_mousemove_callback_on_thread": _emscripten_set_mousemove_callback_on_thread, "_emscripten_set_mouseup_callback_on_thread": _emscripten_set_mouseup_callback_on_thread, "_emscripten_set_pointerlockchange_callback_on_thread": _emscripten_set_pointerlockchange_callback_on_thread, "_emscripten_set_resize_callback_on_thread": _emscripten_set_resize_callback_on_thread, "_emscripten_set_touchcancel_callback_on_thread": _emscripten_set_touchcancel_callback_on_thread, "_emscripten_set_touchend_callback_on_thread": _emscripten_set_touchend_callback_on_thread, "_emscripten_set_touchmove_callback_on_thread": _emscripten_set_touchmove_callback_on_thread, "_emscripten_set_touchstart_callback_on_thread": _emscripten_set_touchstart_callback_on_thread, "_emscripten_set_visibilitychange_callback_on_thread": _emscripten_set_visibilitychange_callback_on_thread, "_emscripten_set_wheel_callback_on_thread": _emscripten_set_wheel_callback_on_thread, "_getenv": _getenv, "_gettimeofday": _gettimeofday, "_glClear": _glClear, "_llvm_cos_f32": _llvm_cos_f32, "_llvm_sin_f32": _llvm_sin_f32, "_longjmp": _longjmp, "_nanosleep": _nanosleep, "_sigaction": _sigaction, "_signal": _signal, "_usleep": _usleep, "emscriptenWebGLGet": emscriptenWebGLGet, "emscriptenWebGLGetIndexed": emscriptenWebGLGetIndexed, "emscriptenWebGLGetTexPixelData": emscriptenWebGLGetTexPixelData, "emscriptenWebGLGetUniform": emscriptenWebGLGetUniform, "emscriptenWebGLGetVertexAttrib": emscriptenWebGLGetVertexAttrib, "stringToNewUTF8": stringToNewUTF8, "DYNAMICTOP_PTR": DYNAMICTOP_PTR, "tempDoublePtr": tempDoublePtr };
  // EMSCRIPTEN_START_ASM
  var asm =Module["asm"]// EMSCRIPTEN_END_ASM
  (Module.asmGlobalArg, Module.asmLibraryArg, buffer);
  
  var real____cxa_can_catch = asm["___cxa_can_catch"]; asm["___cxa_can_catch"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real____cxa_can_catch.apply(null, arguments);
  };
  
  var real____cxa_is_pointer_type = asm["___cxa_is_pointer_type"]; asm["___cxa_is_pointer_type"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real____cxa_is_pointer_type.apply(null, arguments);
  };
  
  var real____emscripten_environ_constructor = asm["___emscripten_environ_constructor"]; asm["___emscripten_environ_constructor"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real____emscripten_environ_constructor.apply(null, arguments);
  };
  
  var real____errno_location = asm["___errno_location"]; asm["___errno_location"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real____errno_location.apply(null, arguments);
  };
  
  var real___get_environ = asm["__get_environ"]; asm["__get_environ"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real___get_environ.apply(null, arguments);
  };
  
  var real__add_emitter = asm["_add_emitter"]; asm["_add_emitter"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__add_emitter.apply(null, arguments);
  };
  
  var real__emscripten_GetProcAddress = asm["_emscripten_GetProcAddress"]; asm["_emscripten_GetProcAddress"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__emscripten_GetProcAddress.apply(null, arguments);
  };
  
  var real__fflush = asm["_fflush"]; asm["_fflush"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__fflush.apply(null, arguments);
  };
  
  var real__fileno = asm["_fileno"]; asm["_fileno"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__fileno.apply(null, arguments);
  };
  
  var real__free = asm["_free"]; asm["_free"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__free.apply(null, arguments);
  };
  
  var real__llvm_bswap_i32 = asm["_llvm_bswap_i32"]; asm["_llvm_bswap_i32"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__llvm_bswap_i32.apply(null, arguments);
  };
  
  var real__main = asm["_main"]; asm["_main"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__main.apply(null, arguments);
  };
  
  var real__malloc = asm["_malloc"]; asm["_malloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__malloc.apply(null, arguments);
  };
  
  var real__memmove = asm["_memmove"]; asm["_memmove"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__memmove.apply(null, arguments);
  };
  
  var real__realloc = asm["_realloc"]; asm["_realloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__realloc.apply(null, arguments);
  };
  
  var real__saveSetjmp = asm["_saveSetjmp"]; asm["_saveSetjmp"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__saveSetjmp.apply(null, arguments);
  };
  
  var real__sbrk = asm["_sbrk"]; asm["_sbrk"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__sbrk.apply(null, arguments);
  };
  
  var real__strstr = asm["_strstr"]; asm["_strstr"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__strstr.apply(null, arguments);
  };
  
  var real__testSetjmp = asm["_testSetjmp"]; asm["_testSetjmp"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__testSetjmp.apply(null, arguments);
  };
  
  var real__update_emitter = asm["_update_emitter"]; asm["_update_emitter"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__update_emitter.apply(null, arguments);
  };
  
  var real_establishStackSpace = asm["establishStackSpace"]; asm["establishStackSpace"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_establishStackSpace.apply(null, arguments);
  };
  
  var real_setThrew = asm["setThrew"]; asm["setThrew"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_setThrew.apply(null, arguments);
  };
  
  var real_stackAlloc = asm["stackAlloc"]; asm["stackAlloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_stackAlloc.apply(null, arguments);
  };
  
  var real_stackRestore = asm["stackRestore"]; asm["stackRestore"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_stackRestore.apply(null, arguments);
  };
  
  var real_stackSave = asm["stackSave"]; asm["stackSave"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_stackSave.apply(null, arguments);
  };
  Module["asm"] = asm;
  var ___cxa_can_catch = Module["___cxa_can_catch"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["___cxa_can_catch"].apply(null, arguments) };
  var ___cxa_is_pointer_type = Module["___cxa_is_pointer_type"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["___cxa_is_pointer_type"].apply(null, arguments) };
  var ___emscripten_environ_constructor = Module["___emscripten_environ_constructor"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["___emscripten_environ_constructor"].apply(null, arguments) };
  var ___errno_location = Module["___errno_location"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["___errno_location"].apply(null, arguments) };
  var __get_environ = Module["__get_environ"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["__get_environ"].apply(null, arguments) };
  var _add_emitter = Module["_add_emitter"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_add_emitter"].apply(null, arguments) };
  var _emscripten_GetProcAddress = Module["_emscripten_GetProcAddress"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_emscripten_GetProcAddress"].apply(null, arguments) };
  var _fflush = Module["_fflush"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_fflush"].apply(null, arguments) };
  var _fileno = Module["_fileno"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_fileno"].apply(null, arguments) };
  var _free = Module["_free"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_free"].apply(null, arguments) };
  var _llvm_bswap_i32 = Module["_llvm_bswap_i32"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_llvm_bswap_i32"].apply(null, arguments) };
  var _main = Module["_main"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_main"].apply(null, arguments) };
  var _malloc = Module["_malloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_malloc"].apply(null, arguments) };
  var _memcpy = Module["_memcpy"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_memcpy"].apply(null, arguments) };
  var _memmove = Module["_memmove"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_memmove"].apply(null, arguments) };
  var _memset = Module["_memset"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_memset"].apply(null, arguments) };
  var _realloc = Module["_realloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_realloc"].apply(null, arguments) };
  var _saveSetjmp = Module["_saveSetjmp"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_saveSetjmp"].apply(null, arguments) };
  var _sbrk = Module["_sbrk"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_sbrk"].apply(null, arguments) };
  var _strstr = Module["_strstr"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_strstr"].apply(null, arguments) };
  var _testSetjmp = Module["_testSetjmp"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_testSetjmp"].apply(null, arguments) };
  var _update_emitter = Module["_update_emitter"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_update_emitter"].apply(null, arguments) };
  var establishStackSpace = Module["establishStackSpace"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["establishStackSpace"].apply(null, arguments) };
  var setThrew = Module["setThrew"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["setThrew"].apply(null, arguments) };
  var stackAlloc = Module["stackAlloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["stackAlloc"].apply(null, arguments) };
  var stackRestore = Module["stackRestore"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["stackRestore"].apply(null, arguments) };
  var stackSave = Module["stackSave"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["stackSave"].apply(null, arguments) };
  var dynCall_i = Module["dynCall_i"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_i"].apply(null, arguments) };
  var dynCall_ii = Module["dynCall_ii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_ii"].apply(null, arguments) };
  var dynCall_iii = Module["dynCall_iii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iii"].apply(null, arguments) };
  var dynCall_iiii = Module["dynCall_iiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiii"].apply(null, arguments) };
  var dynCall_iiiii = Module["dynCall_iiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiiii"].apply(null, arguments) };
  var dynCall_iiiiidii = Module["dynCall_iiiiidii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiiiidii"].apply(null, arguments) };
  var dynCall_iiiiii = Module["dynCall_iiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiiiii"].apply(null, arguments) };
  var dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiiiiiii"].apply(null, arguments) };
  var dynCall_iiiiiiiii = Module["dynCall_iiiiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiiiiiiii"].apply(null, arguments) };
  var dynCall_iiiiiiiiii = Module["dynCall_iiiiiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiiiiiiiii"].apply(null, arguments) };
  var dynCall_ji = Module["dynCall_ji"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_ji"].apply(null, arguments) };
  var dynCall_jiji = Module["dynCall_jiji"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_jiji"].apply(null, arguments) };
  var dynCall_v = Module["dynCall_v"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_v"].apply(null, arguments) };
  var dynCall_vd = Module["dynCall_vd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vd"].apply(null, arguments) };
  var dynCall_vdd = Module["dynCall_vdd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vdd"].apply(null, arguments) };
  var dynCall_vddd = Module["dynCall_vddd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vddd"].apply(null, arguments) };
  var dynCall_vdddd = Module["dynCall_vdddd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vdddd"].apply(null, arguments) };
  var dynCall_vf = Module["dynCall_vf"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vf"].apply(null, arguments) };
  var dynCall_vff = Module["dynCall_vff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vff"].apply(null, arguments) };
  var dynCall_vfff = Module["dynCall_vfff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vfff"].apply(null, arguments) };
  var dynCall_vffff = Module["dynCall_vffff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vffff"].apply(null, arguments) };
  var dynCall_vfi = Module["dynCall_vfi"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vfi"].apply(null, arguments) };
  var dynCall_vi = Module["dynCall_vi"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vi"].apply(null, arguments) };
  var dynCall_vid = Module["dynCall_vid"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vid"].apply(null, arguments) };
  var dynCall_vidd = Module["dynCall_vidd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vidd"].apply(null, arguments) };
  var dynCall_viddd = Module["dynCall_viddd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viddd"].apply(null, arguments) };
  var dynCall_vidddd = Module["dynCall_vidddd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vidddd"].apply(null, arguments) };
  var dynCall_viddidd = Module["dynCall_viddidd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viddidd"].apply(null, arguments) };
  var dynCall_viddiiddiii = Module["dynCall_viddiiddiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viddiiddiii"].apply(null, arguments) };
  var dynCall_viddiii = Module["dynCall_viddiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viddiii"].apply(null, arguments) };
  var dynCall_vif = Module["dynCall_vif"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vif"].apply(null, arguments) };
  var dynCall_viff = Module["dynCall_viff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viff"].apply(null, arguments) };
  var dynCall_vifff = Module["dynCall_vifff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vifff"].apply(null, arguments) };
  var dynCall_viffff = Module["dynCall_viffff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viffff"].apply(null, arguments) };
  var dynCall_viffiff = Module["dynCall_viffiff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viffiff"].apply(null, arguments) };
  var dynCall_viffiiffiii = Module["dynCall_viffiiffiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viffiiffiii"].apply(null, arguments) };
  var dynCall_viffiii = Module["dynCall_viffiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viffiii"].apply(null, arguments) };
  var dynCall_vii = Module["dynCall_vii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_vii"].apply(null, arguments) };
  var dynCall_viidddd = Module["dynCall_viidddd"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viidddd"].apply(null, arguments) };
  var dynCall_viif = Module["dynCall_viif"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viif"].apply(null, arguments) };
  var dynCall_viiffff = Module["dynCall_viiffff"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiffff"].apply(null, arguments) };
  var dynCall_viiffffi = Module["dynCall_viiffffi"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiffffi"].apply(null, arguments) };
  var dynCall_viifi = Module["dynCall_viifi"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viifi"].apply(null, arguments) };
  var dynCall_viii = Module["dynCall_viii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viii"].apply(null, arguments) };
  var dynCall_viiii = Module["dynCall_viiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiii"].apply(null, arguments) };
  var dynCall_viiiii = Module["dynCall_viiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiiii"].apply(null, arguments) };
  var dynCall_viiiiii = Module["dynCall_viiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiiiii"].apply(null, arguments) };
  var dynCall_viiiiiii = Module["dynCall_viiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiiiiii"].apply(null, arguments) };
  var dynCall_viiiiiiii = Module["dynCall_viiiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiiiiiii"].apply(null, arguments) };
  var dynCall_viiiiiiiii = Module["dynCall_viiiiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiiiiiiii"].apply(null, arguments) };
  var dynCall_viiiiiiiiii = Module["dynCall_viiiiiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiiiiiiiii"].apply(null, arguments) };
  var dynCall_viiiiiiiiiii = Module["dynCall_viiiiiiiiiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_viiiiiiiiiii"].apply(null, arguments) };
  ;
  
  
  
  // === Auto-generated postamble setup entry stuff ===
  
  Module['asm'] = asm;
  
  if (!Module["intArrayFromString"]) Module["intArrayFromString"] = function() { abort("'intArrayFromString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["intArrayToString"]) Module["intArrayToString"] = function() { abort("'intArrayToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  Module["ccall"] = ccall;
  Module["cwrap"] = cwrap;
  if (!Module["setValue"]) Module["setValue"] = function() { abort("'setValue' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getValue"]) Module["getValue"] = function() { abort("'getValue' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["allocate"]) Module["allocate"] = function() { abort("'allocate' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  Module["getMemory"] = getMemory;
  Module["Pointer_stringify"] = Pointer_stringify;
  if (!Module["AsciiToString"]) Module["AsciiToString"] = function() { abort("'AsciiToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToAscii"]) Module["stringToAscii"] = function() { abort("'stringToAscii' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF8ArrayToString"]) Module["UTF8ArrayToString"] = function() { abort("'UTF8ArrayToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF8ToString"]) Module["UTF8ToString"] = function() { abort("'UTF8ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF8Array"]) Module["stringToUTF8Array"] = function() { abort("'stringToUTF8Array' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF8"]) Module["stringToUTF8"] = function() { abort("'stringToUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["lengthBytesUTF8"]) Module["lengthBytesUTF8"] = function() { abort("'lengthBytesUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF16ToString"]) Module["UTF16ToString"] = function() { abort("'UTF16ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF16"]) Module["stringToUTF16"] = function() { abort("'stringToUTF16' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["lengthBytesUTF16"]) Module["lengthBytesUTF16"] = function() { abort("'lengthBytesUTF16' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF32ToString"]) Module["UTF32ToString"] = function() { abort("'UTF32ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF32"]) Module["stringToUTF32"] = function() { abort("'stringToUTF32' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["lengthBytesUTF32"]) Module["lengthBytesUTF32"] = function() { abort("'lengthBytesUTF32' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["allocateUTF8"]) Module["allocateUTF8"] = function() { abort("'allocateUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackTrace"]) Module["stackTrace"] = function() { abort("'stackTrace' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnPreRun"]) Module["addOnPreRun"] = function() { abort("'addOnPreRun' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnInit"]) Module["addOnInit"] = function() { abort("'addOnInit' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnPreMain"]) Module["addOnPreMain"] = function() { abort("'addOnPreMain' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnExit"]) Module["addOnExit"] = function() { abort("'addOnExit' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnPostRun"]) Module["addOnPostRun"] = function() { abort("'addOnPostRun' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["writeStringToMemory"]) Module["writeStringToMemory"] = function() { abort("'writeStringToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["writeArrayToMemory"]) Module["writeArrayToMemory"] = function() { abort("'writeArrayToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["writeAsciiToMemory"]) Module["writeAsciiToMemory"] = function() { abort("'writeAsciiToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  Module["addRunDependency"] = addRunDependency;
  Module["removeRunDependency"] = removeRunDependency;
  if (!Module["ENV"]) Module["ENV"] = function() { abort("'ENV' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["FS"]) Module["FS"] = function() { abort("'FS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  Module["FS_createFolder"] = FS.createFolder;
  Module["FS_createPath"] = FS.createPath;
  Module["FS_createDataFile"] = FS.createDataFile;
  Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
  Module["FS_createLazyFile"] = FS.createLazyFile;
  Module["FS_createLink"] = FS.createLink;
  Module["FS_createDevice"] = FS.createDevice;
  Module["FS_unlink"] = FS.unlink;
  if (!Module["GL"]) Module["GL"] = function() { abort("'GL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["dynamicAlloc"]) Module["dynamicAlloc"] = function() { abort("'dynamicAlloc' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["warnOnce"]) Module["warnOnce"] = function() { abort("'warnOnce' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["loadDynamicLibrary"]) Module["loadDynamicLibrary"] = function() { abort("'loadDynamicLibrary' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["loadWebAssemblyModule"]) Module["loadWebAssemblyModule"] = function() { abort("'loadWebAssemblyModule' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getLEB"]) Module["getLEB"] = function() { abort("'getLEB' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getFunctionTables"]) Module["getFunctionTables"] = function() { abort("'getFunctionTables' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["alignFunctionTables"]) Module["alignFunctionTables"] = function() { abort("'alignFunctionTables' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["registerFunctions"]) Module["registerFunctions"] = function() { abort("'registerFunctions' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addFunction"]) Module["addFunction"] = function() { abort("'addFunction' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["removeFunction"]) Module["removeFunction"] = function() { abort("'removeFunction' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getFuncWrapper"]) Module["getFuncWrapper"] = function() { abort("'getFuncWrapper' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["prettyPrint"]) Module["prettyPrint"] = function() { abort("'prettyPrint' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["makeBigInt"]) Module["makeBigInt"] = function() { abort("'makeBigInt' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["dynCall"]) Module["dynCall"] = function() { abort("'dynCall' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getCompilerSetting"]) Module["getCompilerSetting"] = function() { abort("'getCompilerSetting' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackSave"]) Module["stackSave"] = function() { abort("'stackSave' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackRestore"]) Module["stackRestore"] = function() { abort("'stackRestore' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackAlloc"]) Module["stackAlloc"] = function() { abort("'stackAlloc' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["establishStackSpace"]) Module["establishStackSpace"] = function() { abort("'establishStackSpace' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["print"]) Module["print"] = function() { abort("'print' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["printErr"]) Module["printErr"] = function() { abort("'printErr' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getTempRet0"]) Module["getTempRet0"] = function() { abort("'getTempRet0' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["setTempRet0"]) Module["setTempRet0"] = function() { abort("'setTempRet0' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };if (!Module["ALLOC_NORMAL"]) Object.defineProperty(Module, "ALLOC_NORMAL", { get: function() { abort("'ALLOC_NORMAL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  if (!Module["ALLOC_STACK"]) Object.defineProperty(Module, "ALLOC_STACK", { get: function() { abort("'ALLOC_STACK' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  if (!Module["ALLOC_DYNAMIC"]) Object.defineProperty(Module, "ALLOC_DYNAMIC", { get: function() { abort("'ALLOC_DYNAMIC' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  if (!Module["ALLOC_NONE"]) Object.defineProperty(Module, "ALLOC_NONE", { get: function() { abort("'ALLOC_NONE' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  
  
  
  
  /**
   * @constructor
   * @extends {Error}
   * @this {ExitStatus}
   */
  function ExitStatus(status) {
    this.name = "ExitStatus";
    this.message = "Program terminated with exit(" + status + ")";
    this.status = status;
  };
  ExitStatus.prototype = new Error();
  ExitStatus.prototype.constructor = ExitStatus;
  
  var calledMain = false;
  
  dependenciesFulfilled = function runCaller() {
    // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
    if (!Module['calledRun']) run();
    if (!Module['calledRun']) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
  }
  
  Module['callMain'] = function callMain(args) {
    assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on __ATMAIN__)');
    assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
  
    args = args || [];
  
    ensureInitRuntime();
  
    var argc = args.length+1;
    var argv = stackAlloc((argc + 1) * 4);
    HEAP32[argv >> 2] = allocateUTF8OnStack(Module['thisProgram']);
    for (var i = 1; i < argc; i++) {
      HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]);
    }
    HEAP32[(argv >> 2) + argc] = 0;
  
  
    try {
  
      var ret = Module['_main'](argc, argv, 0);
  
  
      // if we're not running an evented main loop, it's time to exit
        exit(ret, /* implicit = */ true);
    }
    catch(e) {
      if (e instanceof ExitStatus) {
        // exit() throws this once it's done to make sure execution
        // has been stopped completely
        return;
      } else if (e == 'SimulateInfiniteLoop') {
        // running an evented main loop, don't immediately exit
        Module['noExitRuntime'] = true;
        return;
      } else {
        var toLog = e;
        if (e && typeof e === 'object' && e.stack) {
          toLog = [e, e.stack];
        }
        err('exception thrown: ' + toLog);
        Module['quit'](1, e);
      }
    } finally {
      calledMain = true;
    }
  }
  
  
  
  
  /** @type {function(Array=)} */
  function run(args) {
    args = args || Module['arguments'];
  
    if (runDependencies > 0) {
      return;
    }
  
    writeStackCookie();
  
    preRun();
  
    if (runDependencies > 0) return; // a preRun added a dependency, run will be called later
    if (Module['calledRun']) return; // run may have just been called through dependencies being fulfilled just in this very frame
  
    function doRun() {
      if (Module['calledRun']) return; // run may have just been called while the async setStatus time below was happening
      Module['calledRun'] = true;
  
      if (ABORT) return;
  
      ensureInitRuntime();
  
      preMain();
  
      if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
  
      if (Module['_main'] && shouldRunNow) Module['callMain'](args);
  
      postRun();
    }
  
    if (Module['setStatus']) {
      Module['setStatus']('Running...');
      setTimeout(function() {
        setTimeout(function() {
          Module['setStatus']('');
        }, 1);
        doRun();
      }, 1);
    } else {
      doRun();
    }
    checkStackCookie();
  }
  Module['run'] = run;
  
  function checkUnflushedContent() {
    // Compiler settings do not allow exiting the runtime, so flushing
    // the streams is not possible. but in ASSERTIONS mode we check
    // if there was something to flush, and if so tell the user they
    // should request that the runtime be exitable.
    // Normally we would not even include flush() at all, but in ASSERTIONS
    // builds we do so just for this check, and here we see if there is any
    // content to flush, that is, we check if there would have been
    // something a non-ASSERTIONS build would have not seen.
    // How we flush the streams depends on whether we are in FILESYSTEM=0
    // mode (which has its own special function for this; otherwise, all
    // the code is inside libc)
    var print = out;
    var printErr = err;
    var has = false;
    out = err = function(x) {
      has = true;
    }
    try { // it doesn't matter if it fails
      var flush = Module['_fflush'];
      if (flush) flush(0);
      // also flush in the JS FS layer
      var hasFS = true;
      if (hasFS) {
        ['stdout', 'stderr'].forEach(function(name) {
          var info = FS.analyzePath('/dev/' + name);
          if (!info) return;
          var stream = info.object;
          var rdev = stream.rdev;
          var tty = TTY.ttys[rdev];
          if (tty && tty.output && tty.output.length) {
            has = true;
          }
        });
      }
    } catch(e) {}
    out = print;
    err = printErr;
    if (has) {
      warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.');
    }
  }
  
  function exit(status, implicit) {
    checkUnflushedContent();
  
    // if this is just main exit-ing implicitly, and the status is 0, then we
    // don't need to do anything here and can just leave. if the status is
    // non-zero, though, then we need to report it.
    // (we may have warned about this earlier, if a situation justifies doing so)
    if (implicit && Module['noExitRuntime'] && status === 0) {
      return;
    }
  
    if (Module['noExitRuntime']) {
      // if exit() was called, we may warn the user if the runtime isn't actually being shut down
      if (!implicit) {
        err('exit(' + status + ') called, but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)');
      }
    } else {
  
      ABORT = true;
      EXITSTATUS = status;
  
      exitRuntime();
  
      if (Module['onExit']) Module['onExit'](status);
    }
  
    Module['quit'](status, new ExitStatus(status));
  }
  
  var abortDecorators = [];
  
  function abort(what) {
    if (Module['onAbort']) {
      Module['onAbort'](what);
    }
  
    if (what !== undefined) {
      out(what);
      err(what);
      what = JSON.stringify(what)
    } else {
      what = '';
    }
  
    ABORT = true;
    EXITSTATUS = 1;
  
    var extra = '';
    var output = 'abort(' + what + ') at ' + stackTrace() + extra;
    if (abortDecorators) {
      abortDecorators.forEach(function(decorator) {
        output = decorator(output, what);
      });
    }
    throw output;
  }
  Module['abort'] = abort;
  
  if (Module['preInit']) {
    if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
    while (Module['preInit'].length > 0) {
      Module['preInit'].pop()();
    }
  }
  
  // shouldRunNow refers to calling main(), not run().
  var shouldRunNow = true;
  if (Module['noInitialRun']) {
    shouldRunNow = false;
  }
  
    Module["noExitRuntime"] = true;
  
  run();
  
  
  
  
  
  // {{MODULE_ADDITIONS}}
  
  
  
  