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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martiño Figueroa
//
// You can redistribute this code 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
// ==============================================================
#ifndef _SHARED_GRAPHICS_GL_OPENGL_H_
#define _SHARED_GRAPHICS_GL_OPENGL_H_
#include <GL/glew.h>
#include <cassert>
#include <stdexcept>
#include <string>
#include "conversion.h"
#include "gl_wrap.h"
#include "platform_util.h"
#include "leak_dumper.h"
using std::runtime_error;
using std::string;
namespace Shared{ namespace Graphics{ namespace Gl{
using Util::intToStr;
// =====================================================
// Globals
// =====================================================
bool getVBOSupported();
void setVBOSupported(bool value);
void overrideGlExtensionSupport(const char *extensionName,bool value);
bool isGlExtensionSupported(const char *extensionName);
//bool isGlVersionSupported(int major, int minor, int release);
const char *getGlVersion();
const char *getGlRenderer();
const char *getGlVendor();
const char *getGlExtensions();
const char *getGlPlatformExtensions();
int getGlMaxLights();
int getGlMaxTextureSize();
int getGlMaxTextureUnits();
int getGlModelviewMatrixStackDepth();
int getGlProjectionMatrixStackDepth();
void checkGlExtension(const char *extensionName);
void inline _assertGl(const char *file, int line, GLenum *forceErrorNumber = NULL) {
GLenum error = (forceErrorNumber != NULL ? *forceErrorNumber : glGetError());
if(error != GL_NO_ERROR) {
#ifdef _DEBUG
if(error == GL_INVALID_ENUM) {
return;
}
#endif
//if(error != GL_INVALID_ENUM) {
const char *errorString= reinterpret_cast<const char*>(gluErrorString(error));
char szBuf[8096]="";
snprintf(szBuf,8096,"OpenGL error #%d [0x%X] : [%s] at file: [%s], line: %d",error,error,errorString,file,line);
//throw megaglest_runtime_error("OpenGL error #" + intToStr(error) + " : " + string(errorString) + " at file: " + string(file) + ", line " + intToStr(line));
throw megaglest_runtime_error(szBuf);
//}
}
}
#ifdef NDEBUG
#define assertGl() ((void) 0);
#define assertGlWithErrorNumber(forceErrorNumber) ((void) 0);
#else
#define assertGl() _assertGl(__FILE__, __LINE__);
#define assertGlWithErrorNumber(forceErrorNumber) _assertGl(__FILE__, __LINE__, &forceErrorNumber);
#endif
}}}//end namespace
#endif
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