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 00032 namespace sf 00033 { 00037 bool OpenGLCaps::CheckExtension(const std::string& Name) 00038 { 00039 return glewIsSupported(Name.c_str()) != 0; 00040 } 00041 00042 00046 int OpenGLCaps::GetMaxTextureSize() 00047 { 00048 GLint Capability; 00049 glGetIntegerv(GL_MAX_TEXTURE_SIZE, &Capability); 00050 00051 return static_cast<int>(Capability); 00052 } 00053 00054 00058 int OpenGLCaps::GetMaxTextureUnits() 00059 { 00060 GLint Capability; 00061 glGetIntegerv(GL_MAX_TEXTURE_COORDS_ARB, &Capability); 00062 00063 return static_cast<int>(Capability); 00064 } 00065 00066 00070 void OpenGLCaps::Initialize() 00071 { 00072 // Initialize GLEW 00073 glewInit(); 00074 } 00075 00076 } // namespace sf