author Ryan C. Gordon <>
Mon, 18 Jul 2011 14:34:19 -0700
changeset 5572 32a785da3f49
parent 5535 96594ac5fd1a
child 5630 39e74dab5ebb
permissions -rw-r--r--
Added support for GLX_EXT_swap_control, and cleaned up some other extensions. This allows the Nvidia Linux drivers to use SDL_GL_SetSwapInterval(0).

  Simple DirectMedia Layer
  Copyright (C) 1997-2011 Sam Lantinga <>

  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 "SDL_config.h"

#ifndef _SDL_x11opengl_h
#define _SDL_x11opengl_h

#include "SDL_opengl.h"
#include <GL/glx.h>

struct SDL_GLDriverData
    SDL_bool HAS_GLX_EXT_visual_rating;

    void *(*glXGetProcAddress) (const GLubyte*);
    XVisualInfo *(*glXChooseVisual) (Display*,int,int*);
    GLXContext (*glXCreateContext) (Display*,XVisualInfo*,GLXContext,Bool);
    void (*glXDestroyContext) (Display*, GLXContext);
    Bool(*glXMakeCurrent) (Display*,GLXDrawable,GLXContext);
    void (*glXSwapBuffers) (Display*, GLXDrawable);
    void (*glXQueryDrawable) (Display*,GLXDrawable,int,unsigned int*);
    void (*glXSwapIntervalEXT) (Display*,GLXDrawable,int);
    int (*glXSwapIntervalSGI) (int);
    int (*glXSwapIntervalMESA) (int);
    int (*glXGetSwapIntervalMESA) (void);

/* OpenGL functions */
extern int X11_GL_LoadLibrary(_THIS, const char *path);
extern void *X11_GL_GetProcAddress(_THIS, const char *proc);
extern void X11_GL_UnloadLibrary(_THIS);
extern XVisualInfo *X11_GL_GetVisual(_THIS, Display * display, int screen);
extern SDL_GLContext X11_GL_CreateContext(_THIS, SDL_Window * window);
extern int X11_GL_MakeCurrent(_THIS, SDL_Window * window,
                              SDL_GLContext context);
extern int X11_GL_SetSwapInterval(_THIS, int interval);
extern int X11_GL_GetSwapInterval(_THIS);
extern void X11_GL_SwapWindow(_THIS, SDL_Window * window);
extern void X11_GL_DeleteContext(_THIS, SDL_GLContext context);


#endif /* _SDL_x11opengl_h */

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