00001 00002 // 00003 // SFML - Simple and Fast Multimedia Library 00004 // Copyright (C) 2007 Laurent Gomila (laurent.gom@gmail.com) 00005 // 00006 // This software is provided 'as-is', without any express or implied warranty. 00007 // In no event will the authors be held liable for any damages arising from the use of this software. 00008 // 00009 // Permission is granted to anyone to use this software for any purpose, 00010 // including commercial applications, and to alter it and redistribute it freely, 00011 // subject to the following restrictions: 00012 // 00013 // 1. The origin of this software must not be misrepresented; 00014 // you must not claim that you wrote the original software. 00015 // If you use this software in a product, an acknowledgment 00016 // in the product documentation would be appreciated but is not required. 00017 // 00018 // 2. Altered source versions must be plainly marked as such, 00019 // and must not be misrepresented as being the original software. 00020 // 00021 // 3. This notice may not be removed or altered from any source distribution. 00022 // 00024 00026 // Headers 00028 #include <SFML/Window/OpenGLCaps.hpp> 00029 #include <SFML/Window/glew/glew.h> 00030 00031 00035 bool sfOpenGLCaps::CheckExtension(const std::string& Name) 00036 { 00037 return glewIsSupported(Name.c_str()) != 0; 00038 } 00039 00040 00044 int sfOpenGLCaps::GetMaxTextureSize() 00045 { 00046 int Capability; 00047 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &Capability); 00048 00049 return Capability; 00050 } 00051 00052 00056 int sfOpenGLCaps::GetMaxTextureUnits() 00057 { 00058 int Capability; 00059 glGetIntegerv(GL_MAX_TEXTURE_COORDS_ARB, &Capability); 00060 00061 return Capability; 00062 } 00063 00064 00068 void sfOpenGLCaps::Initialize() 00069 { 00070 // Initialize GLEW 00071 glewInit(); 00072 }