D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlGraphics/OpenGL.cpp

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/*  Visualization Library                                                             */
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/*  Copyright (c) 2005-2010, Michele Bosi                                             */
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#include <vlGraphics/OpenGL.hpp>
#include <vlCore/String.hpp>
#include <vlCore/Log.hpp>
#include <vlCore/Say.hpp>

//------------------------------------------------------------------------------
int vl::glcheck(const char* file, int line)
{
  unsigned int glerr = glGetError();
  // if an OpenGL context is available this must be clear!
  if ( glGetError() )
  {
    Log::bug( Say("%s:%n: NO OPENGL CONTEXT ACTIVE!\n") << file << line );
  }
  else
  if (glerr != GL_NO_ERROR)
  {
    String msg( (char*)gluErrorString(glerr) );
    Log::bug( Say("glGetError() [%s:%n]: %s\n") << file << line << msg );
  }
  return glerr;
}
//------------------------------------------------------------------------------