kc3-lang/SDL/include/SDL_opengl.h

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• Hash : 175b343e
  Author :
  Date : 2014-06-15T17:37:35
  

  Fixed bug 2568 - NO_SDL_GLEXT should prevent OS glext.h as well J?rgen Tjern? If you #define NO_SDL_GLEXT before including SDL_opengl.h, it still includes the platform-provided glext.h. The comments indicate that this define is intended to be used when you provide your own glext.h (quote from SDL_opengl.h: "Define this if you have your own version of glext.h and want to disable the version included in SDL_opengl.h.") This is a problem because glext.h depends on the contents of gl.h, and it's practical to let SDL_opengl.h pick the right #include for gl.h for our platform.

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• include/SDL_opengl.h

• /*
    Simple DirectMedia Layer
    Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
  
    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.
  */
  
  /**
   *  \file SDL_opengl.h
   *
   *  This is a simple file to encapsulate the OpenGL API headers.
   */
  
  #ifndef _SDL_opengl_h
  #define _SDL_opengl_h
  
  #include "SDL_config.h"
  
  #ifndef __IPHONEOS__
  
  #ifdef __WIN32__
  #ifndef WIN32_LEAN_AND_MEAN
  #define WIN32_LEAN_AND_MEAN
  #endif
  #ifndef NOMINMAX
  #define NOMINMAX                /* Don't defined min() and max() */
  #endif
  #include <windows.h>
  #endif
  
  #ifdef __glext_h_
  /* Someone has already included glext.h */
  #define NO_SDL_GLEXT
  #else
  #define _SDL_CLEAR_GLEXT_HEADERGUARD
  #define __glext_h_              /* Don't let gl.h include glext.h */
  #endif
  #if defined(__MACOSX__)
  #include <OpenGL/gl.h>          /* Header File For The OpenGL Library */
  #define __X_GL_H
  #else
  #include <GL/gl.h>              /* Header File For The OpenGL Library */
  #endif
  #ifdef _SDL_CLEAR_GLEXT_HEADERGUARD
  #undef __glext_h_
  #endif
  
  /**
   *  \file SDL_opengl.h
   *
   *  This file is included because glext.h is not available on some systems.
   *  If you don't want this version included, simply define ::NO_SDL_GLEXT.
   *
   *  The latest version is available from:
   *      http://www.opengl.org/registry/
   */
  
  /**
   *  \def NO_SDL_GLEXT
   *
   *  Define this if you have your own version of glext.h and want to disable the
   *  version included in SDL_opengl.h.
   */
  
  #if !defined(NO_SDL_GLEXT) && !defined(GL_GLEXT_LEGACY)
  #include "SDL_opengl_glext.h"
  #endif /* NO_SDL_GLEXT */
  
  #endif /* !__IPHONEOS__ */
  
  #endif /* _SDL_opengl_h */
  
  /* vi: set ts=4 sw=4 expandtab: */
  

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