//======================================================================== // GLFW - An OpenGL framework // File: win32_glext.c // Platform: Windows // API version: 2.7 // WWW: http://glfw.sourceforge.net //------------------------------------------------------------------------ // Copyright (c) 2002-2006 Camilla Berglund // // This software is provided 'as-is', without any express or implied // warranty. In no event will the authors be held liable for any damages // arising from the use of this software. // // Permission is granted to anyone to use this software for any purpose, // including commercial applications, and to alter it and redistribute it // freely, subject to the following restrictions: // // 1. The origin of this software must not be misrepresented; you must not // claim that you wrote the original software. If you use this software // in a product, an acknowledgment in the product documentation would // be appreciated but is not required. // // 2. Altered source versions must be plainly marked as such, and must not // be misrepresented as being the original software. // // 3. This notice may not be removed or altered from any source // distribution. // //======================================================================== #include "internal.h" //************************************************************************ //**** Platform implementation functions **** //************************************************************************ //======================================================================== // Check if the current context supports the specified WGL extension //======================================================================== int _glfwPlatformExtensionSupported( const char *extension ) { const GLubyte *extensions; if( _glfwWin.GetExtensionsStringEXT != NULL ) { extensions = (GLubyte *) _glfwWin.GetExtensionsStringEXT(); if( extensions != NULL ) { if( _glfwStringInExtensionString( extension, extensions ) ) { return GL_TRUE; } } } if( _glfwWin.GetExtensionsStringARB != NULL ) { extensions = (GLubyte *) _glfwWin.GetExtensionsStringARB( _glfwWin.DC ); if( extensions != NULL ) { if( _glfwStringInExtensionString( extension, extensions ) ) { return GL_TRUE; } } } return GL_FALSE; } //======================================================================== // Get the function pointer to an OpenGL function //======================================================================== void *_glfwPlatformGetProcAddress( const char *procname ) { return (void *) wglGetProcAddress( procname ); }