text: /**
   * Copyright (C) 2016-2020 Xilinx, Inc
   *
   * Licensed under the Apache License, Version 2.0 (the "License"). You may
   * not use this file except in compliance with the License. A copy of the
   * License is located at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  #include "xocl/config.h"
  #include "detail/platform.h"
  #include "xocl/core/platform.h"
  #include "plugin/xdp/profile.h"
  #include "plugin/xdp/lop.h"
  #include <CL/cl_ext_xilinx.h>
  #include <map>
  
  namespace xocl {
  
  static const std::map<const std::string, void *> extensionFunctionTable = {
    std::pair<const std::string, void *>("clCreateStream", (void *)clCreateStream),
    std::pair<const std::string, void *>("clReleaseStream", (void *)clReleaseStream),
    std::pair<const std::string, void *>("clWriteStream", (void *)clWriteStream),
    std::pair<const std::string, void *>("clReadStream", (void *)clReadStream),
    std::pair<const std::string, void *>("clCreateStreamBuffer", (void *)clCreateStreamBuffer),
    std::pair<const std::string, void *>("clReleaseStreamBuffer", (void *)clReleaseStreamBuffer),
    std::pair<const std::string, void *>("clPollStreams", (void *)clPollStreams),
    std::pair<const std::string, void *>("clPollStream", (void *)clPollStream),
    std::pair<const std::string, void *>("clSetStreamOpt", (void *)clSetStreamOpt),
    std::pair<const std::string, void *>("xclGetMemObjectFd", (void *)xclGetMemObjectFd),
    std::pair<const std::string, void *>("xclGetMemObjectFromFd", (void *)xclGetMemObjectFromFd),
    std::pair<const std::string, void *>("xclGetXrtDevice", (void *)xclGetXrtDevice),
    std::pair<const std::string, void *>("xclGetMemObjDeviceAddress", (void *)xclGetMemObjDeviceAddress),
    std::pair<const std::string, void *>("xclGetComputeUnitInfo", (void *)xclGetComputeUnitInfo),
    std::pair<const std::string, void *>("clIcdGetPlatformIDsKHR", (void *)clIcdGetPlatformIDsKHR),
  };
  
  
  static void
  validOrError(cl_platform_id platform, const char* func_name)
  {
    if (!config::api_checks())
      return;
  
    detail::platform::validOrError(platform);
    if (!func_name)
      throw error(CL_INVALID_VALUE,"func_name is nullptr");
  }
  
  static void*
  clGetExtensionFunctionAddressForPlatform(cl_platform_id platform,
                                           const char *   func_name)
  {
    validOrError(platform,func_name);
    if (get_global_platform() != platform)
      return nullptr;
  
    auto iter = extensionFunctionTable.find(func_name);
    return (iter == extensionFunctionTable.end()) ? nullptr : iter->second;
  }
  
  } // namespace xocl
  
  void*
  clGetExtensionFunctionAddressForPlatform(cl_platform_id platform ,
                                           const char *   func_name)
  {
    try {
      PROFILE_LOG_FUNCTION_CALL;
      LOP_LOG_FUNCTION_CALL;
      return xocl::clGetExtensionFunctionAddressForPlatform(platform,func_name);
    }
    catch (const xrt_xocl::error& ex) {
      xocl::send_exception_message(ex.what());
    }
    catch (const std::exception& ex) {
      xocl::send_exception_message(ex.what());
    }
    return nullptr;
  }
  