OpenGLCaps.cpp

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 }