gistfile1.txt

struct SGfxGlCallInfo
{
	unsigned m_ErrorCount;
	const char *m_pCallCode;
	const char *m_pFilename;
	int m_LineNumber;
};


void GfxCheckGlError(SGfxGlCallInfo *pCallInfo)
{
	int ErrorCode = glGetError();
	if(ErrorCode)
	{
		if(pCallInfo->m_ErrorCount == 0)
		{
			dbg_msg("gl", "%s:%d\n\t%s", pCallInfo->m_pFilename, pCallInfo->m_LineNumber, pCallInfo->m_pCallCode);
		}

		pCallInfo->m_ErrorCount++;
	}
}

#define GLCALL(x) x; \
	{ \
		static SGfxGlCallInfo CallInfo = {0, #x, __FILE__, __LINE__}; \
		GfxCheckGlError(&CallInfo); \
	}