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Implemented CHECK_GL_ERROR macro for debugging OpenGL calls.

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svn-id: r50731
This commit is contained in:
Alejandro Marzini 2010-07-07 01:05:32 +00:00
parent 30136589f0
commit 8b6d49ce42
2 changed files with 96 additions and 0 deletions
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58
backends/graphics/opengl/glerrorcheck.cpp Normal file
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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#if defined(DEBUG) //&& defined(USE_OPENGL)
#include "backends/graphics/opengl/glerrorcheck.h"
#include "common/debug.h"
#ifdef USE_GLES
#include <GLES/gl.h>
#else
#include <GL/gl.h>
#endif
static const char* getGlErrStr(GLenum error) {
switch (error) {
case GL_NO_ERROR: return "GL_NO_ERROR";
case GL_INVALID_ENUM: return "GL_INVALID_ENUM";
case GL_INVALID_OPERATION: return "GL_INVALID_OPERATION";
case GL_STACK_OVERFLOW: return "GL_STACK_OVERFLOW";
case GL_STACK_UNDERFLOW: return "GL_STACK_UNDERFLOW";
case GL_OUT_OF_MEMORY: return "GL_OUT_OF_MEMORY";
}
static char buf[40];
snprintf(buf, sizeof(buf), "(Unknown GL error code 0x%x)", error);
return buf;
}
void checkGlError(const char* file, int line) {
GLenum error = glGetError();
if (error != GL_NO_ERROR)
warning("%s:%d: GL error: %s", file, line, getGlErrStr(error));
}
#endif