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70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// ==============================================================
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// This file is part of Glest Shared Library (www.glest.org)
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//
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// Copyright (C) 2001-2008 Martiño Figueroa
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//
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// You can redistribute this code and/or modify it under
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// the terms of the GNU General Public License as published
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// by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version
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// ==============================================================
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#ifndef _SHARED_GRAPHICS_GL_OPENGL_H_
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#define _SHARED_GRAPHICS_GL_OPENGL_H_
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#include <cassert>
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#include <stdexcept>
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#include <string>
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#include "conversion.h"
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#include "gl_wrap.h"
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using std::runtime_error;
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using std::string;
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namespace Shared{ namespace Graphics{ namespace Gl{
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using Util::intToStr;
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// =====================================================
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// Globals
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// =====================================================
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bool isGlExtensionSupported(const char *extensionName);
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bool isGlVersionSupported(int major, int minor, int release);
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const char *getGlVersion();
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const char *getGlRenderer();
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const char *getGlVendor();
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const char *getGlExtensions();
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const char *getGlPlatformExtensions();
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int getGlMaxLights();
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int getGlMaxTextureSize();
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int getGlMaxTextureUnits();
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int getGlModelviewMatrixStackDepth();
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int getGlProjectionMatrixStackDepth();
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void checkGlExtension(const char *extensionName);
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void inline _assertGl(const char *file, int line){
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GLenum error= glGetError();
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if(error != GL_NO_ERROR){
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const char *errorString= reinterpret_cast<const char*>(gluErrorString(error));
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throw runtime_error("OpenGL error: "+string(errorString)+" at file: "+string(file)+", line "+intToStr(line));
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}
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}
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#ifdef NDEBUG
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#define assertGl() ((void) 0);
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#else
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#define assertGl() _assertGl(__FILE__, __LINE__);
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#endif
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}}}//end namespace
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#endif
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