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SDL_x11opengl.h (3321B)

      1 /*
      2   Simple DirectMedia Layer
      3   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
      4 
      5   This software is provided 'as-is', without any express or implied
      6   warranty.  In no event will the authors be held liable for any damages
      7   arising from the use of this software.
      8 
      9   Permission is granted to anyone to use this software for any purpose,
     10   including commercial applications, and to alter it and redistribute it
     11   freely, subject to the following restrictions:
     12 
     13   1. The origin of this software must not be misrepresented; you must not
     14      claim that you wrote the original software. If you use this software
     15      in a product, an acknowledgment in the product documentation would be
     16      appreciated but is not required.
     17   2. Altered source versions must be plainly marked as such, and must not be
     18      misrepresented as being the original software.
     19   3. This notice may not be removed or altered from any source distribution.
     20 */
     21 #include "../../SDL_internal.h"
     22 
     23 #ifndef SDL_x11opengl_h_
     24 #define SDL_x11opengl_h_
     25 
     26 #if SDL_VIDEO_OPENGL_GLX
     27 #include "SDL_opengl.h"
     28 #include <GL/glx.h>
     29 
     30 struct SDL_GLDriverData
     31 {
     32     int errorBase, eventBase;
     33 
     34     SDL_bool HAS_GLX_EXT_visual_rating;
     35     SDL_bool HAS_GLX_EXT_visual_info;
     36     SDL_bool HAS_GLX_EXT_swap_control_tear;
     37     SDL_bool HAS_GLX_ARB_context_flush_control;
     38     SDL_bool HAS_GLX_ARB_create_context_robustness;
     39     SDL_bool HAS_GLX_ARB_create_context_no_error;
     40 
     41     /* Max version of OpenGL ES context that can be created if the
     42        implementation supports GLX_EXT_create_context_es2_profile.
     43        major = minor = 0 when unsupported.
     44      */
     45     struct {
     46         int major;
     47         int minor;
     48     } es_profile_max_supported_version;
     49 
     50     Bool (*glXQueryExtension) (Display*,int*,int*);
     51     void *(*glXGetProcAddress) (const GLubyte*);
     52     XVisualInfo *(*glXChooseVisual) (Display*,int,int*);
     53     GLXContext (*glXCreateContext) (Display*,XVisualInfo*,GLXContext,Bool);
     54     GLXContext (*glXCreateContextAttribsARB) (Display*,GLXFBConfig,GLXContext,Bool,const int *);
     55     GLXFBConfig *(*glXChooseFBConfig) (Display*,int,const int *,int *);
     56     void (*glXDestroyContext) (Display*, GLXContext);
     57     Bool(*glXMakeCurrent) (Display*,GLXDrawable,GLXContext);
     58     void (*glXSwapBuffers) (Display*, GLXDrawable);
     59     void (*glXQueryDrawable) (Display*,GLXDrawable,int,unsigned int*);
     60     void (*glXSwapIntervalEXT) (Display*,GLXDrawable,int);
     61     int (*glXSwapIntervalSGI) (int);
     62     int (*glXSwapIntervalMESA) (int);
     63     int (*glXGetSwapIntervalMESA) (void);
     64 };
     65 
     66 /* OpenGL functions */
     67 extern int X11_GL_LoadLibrary(_THIS, const char *path);
     68 extern void *X11_GL_GetProcAddress(_THIS, const char *proc);
     69 extern void X11_GL_UnloadLibrary(_THIS);
     70 extern SDL_bool X11_GL_UseEGL(_THIS);
     71 extern XVisualInfo *X11_GL_GetVisual(_THIS, Display * display, int screen);
     72 extern SDL_GLContext X11_GL_CreateContext(_THIS, SDL_Window * window);
     73 extern int X11_GL_MakeCurrent(_THIS, SDL_Window * window,
     74                               SDL_GLContext context);
     75 extern int X11_GL_SetSwapInterval(_THIS, int interval);
     76 extern int X11_GL_GetSwapInterval(_THIS);
     77 extern int X11_GL_SwapWindow(_THIS, SDL_Window * window);
     78 extern void X11_GL_DeleteContext(_THIS, SDL_GLContext context);
     79 
     80 #endif /* SDL_VIDEO_OPENGL_GLX */
     81 
     82 #endif /* SDL_x11opengl_h_ */
     83 
     84 /* vi: set ts=4 sw=4 expandtab: */