OpenGL环境配置库

/* ** The OpenGL Extension Wrangler Library ** Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org> ** Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org> ** Copyright (C) 2002, Lev Povalahev ** All rights reserved. ** ** Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are met: ** ** * Redistributions of source code must retain the above copyright notice, ** this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright notice, ** this list of conditions and the following disclaimer in the documentation ** and/or other materials provided with the distribution. ** * The name of the author may be used to endorse or promote products ** derived from this software without specific prior written permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF ** THE POSSIBILITY OF SUCH DAMAGE. */ /* * Mesa 3-D graphics library * Version: 7.0 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* ** Copyright (c) 2007 The Khronos Group Inc. ** ** Permission is hereby granted, free of charge, to any person obtaining a ** copy of this software and/or associated documentation files (the ** "Materials"), to deal in the Materials without restriction, including ** without limitation the rights to use, copy, modify, merge, publish, ** distribute, sublicense, and/or sell copies of the Materials, and to ** permit persons to whom the Materials are furnished to do so, subject to ** the following conditions: ** ** The above copyright notice and this permission notice shall be included ** in all copies or substantial portions of the Materials. ** ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. */ #ifndef __glew_h__ #define __glew_h__ #define __GLEW_H__ #if defined(__gl_h_) || defined(__GL_H__) || defined(__X_GL_H) #error gl.h included before glew.h #endif #if defined(__gl2_h_) #error gl2.h included before glew.h #endif #if defined(__gltypes_h_) #error gltypes.h included before glew.h #endif #if defined(__REGAL_H__) #error Regal.h included before glew.h #endif #if defined(__glext_h_) || defined(__GLEXT_H_) #error glext.h included before glew.h #endif #if defined(__gl_ATI_h_) #error glATI.h included before glew.h #endif #define __gl_h_ #define __gl2_h_ #define __GL_H__ #define __gltypes_h_ #define __REGAL_H__ #define __X_GL_H #define __glext_h_ #define __GLEXT_H_ #define __gl_ATI_h_ #if defined(_WIN32) /* * GLEW does not include <windows.h> to avoid name space pollution. * GL needs GLAPI and GLAPIENTRY, GLU needs APIENTRY, CALLBACK, and wchar_t * defined properly. */ /* <windef.h> */ #ifndef APIENTRY #define GLEW_APIENTRY_DEFINED # if defined(__MINGW32__) || defined(__CYGWIN__) # define APIENTRY __stdcall # elif (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED) || defined(__BORLANDC__) # define APIENTRY __stdcall # else # define APIENTRY # endif #endif #ifndef GLAPI # if defined(__MINGW32__) || defined(__CYGWIN__) # define GLAPI extern # endif #endif /* <winnt.h> */ #ifndef CALLBACK #define GLEW_CALLBACK_DEFINED # if defined(__MINGW32__) || defined(__CYGWIN__) # define CALLBACK __attribute__ ((__stdcall__)) # elif (defined(_M_MRX000) || defined(_M_IX86) || defined(_M_ALPHA) || defined(_M_PPC)) && !defined(MIDL_PASS) # define CALLBACK __stdcall # else # define CALLBACK # endif #endif /* <wingdi.h> and <winnt.h> */ #ifndef WINGDIAPI #define GLEW_WINGDIAPI_DEFINED #define WINGDIAPI __declspec(dllimport) #endif /* <ctype.h> */ #if (defined(_MSC_VER) || defined(__BORLANDC__)) && !defined(_WCHAR_T_DEFINED) typedef unsigned short wchar_t; # define _WCHAR_T_DEFINED #endif /* <stddef.h> */ #if !defined(_W64) # if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && defined(_MSC_VER) && _MSC_VER >= 1300 # define _W64 __w64 # else # define _W64 # endif #endif #if !defined(_PTRDIFF_T_DEFINED) && !defined(_PTRDIFF_T_) && !defined(__MINGW64__) # ifdef _WIN64 typedef __int64 ptrdiff_t; # else typedef _W64 int ptrdiff_t; # endif # define _PTRDIFF_T_DEFINED # define _PTRDIFF_T_ #endif #ifndef GLAPI # if defined(__MINGW32__) || defined(__CYGWIN__) # define GLAPI extern # else # define GLAPI WINGDIAPI # endif #endif #ifndef GLAPIENTRY #define GLAPIENTRY APIENTRY #endif #ifndef GLEWAPIENTRY #define GLEWAPIENTRY APIENTRY #endif /* * GLEW_STATIC is defined for static library. * GLEW_BUILD is defined for building the DLL library. */ #ifdef GLEW_STATIC # define GLEWAPI extern #else # ifdef GLEW_BUILD # define GLEWAPI extern __declspec(dllexport) # else # define GLEWAPI extern __declspec(dllimport) # endif #endif #else /* _UNIX */ /* * Needed for ptrdiff_t in turn needed by VBO. This is defined by ISO * C. On my system, this amounts to _3 lines_ of included code, all of * them pretty much harmless. If you know of a way of detecting 32 vs * 64 _targets_ at compile time you are free to replace this with * something that's portable. For now, _this_ is the portable solution. * (mem, 2004-01-04) */ #include <stddef.h> /* SGI MIPSPro doesn't like stdint.h in C++ mode */ /* ID: 3376260 Solaris 9 has inttypes.h, but not stdint.h */ #if (defined(__sgi) || defined(__sun)) && !defined(__GNUC__) #include <inttypes.h> #else #include <stdint.h> #endif #define GLEW_APIENTRY_DEFINED #define APIENTRY /* * GLEW_STATIC is defined for static library. */ #ifdef GLEW_STATIC # define GLEWAPI extern #else