text: // This file is part of libigl, a simple c++ geometry processing library.
  // 
  // Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
  // 
  // This Source Code Form is subject to the terms of the Mozilla Public License 
  // v. 2.0. If a copy of the MPL was not distributed with this file, You can 
  // obtain one at http://mozilla.org/MPL/2.0/.
  #include "report_gl_error.h"
  #include "../verbose.h"
  #include <cstdio>
  
  IGL_INLINE GLenum igl::opengl::report_gl_error(const std::string id)
  {
    // http://stackoverflow.com/q/28485180/148668
  
    // gluErrorString was deprecated
    const auto gluErrorString = [](GLenum errorCode)->const char *
    {
      switch(errorCode)
      {
        default:
          return "unknown error code";
        case GL_NO_ERROR:
          return "no error";
        case GL_INVALID_ENUM:
          return "invalid enumerant";
        case GL_INVALID_VALUE:
          return "invalid value";
        case GL_INVALID_OPERATION:
          return "invalid operation";
  #ifndef GL_VERSION_3_0
        case GL_STACK_OVERFLOW:
          return "stack overflow";
        case GL_STACK_UNDERFLOW:
          return "stack underflow";
        case GL_TABLE_TOO_LARGE:
          return "table too large";
  #endif
        case GL_OUT_OF_MEMORY:
          return "out of memory";
  #ifdef GL_EXT_framebuffer_object
        case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:
          return "invalid framebuffer operation";
  #endif
      }
    };
  
    GLenum err = glGetError();
    if(GL_NO_ERROR != err)
    {
      verbose("GL_ERROR: ");
      fprintf(stderr,"%s%s\n",id.c_str(),gluErrorString(err));
    }
    return err;
  }
  
  IGL_INLINE GLenum igl::opengl::report_gl_error()
  {
    return igl::opengl::report_gl_error(std::string(""));
  }
  
  