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 
22 
23 #ifndef SDL_directfb_opengl_h_
24 #define SDL_directfb_opengl_h_
25 
26 #include "SDL_DirectFB_video.h"
27 
28 #if SDL_DIRECTFB_OPENGL
29 
30 #include "SDL_opengl.h"
31 
32 typedef struct _DirectFB_GLContext DirectFB_GLContext;
33 struct _DirectFB_GLContext
34 {
35     IDirectFBGL         *context;
36     DirectFB_GLContext  *next;
37 
38     SDL_Window          *sdl_window;
39     int                 is_locked;
40 };
41 
42 /* OpenGL functions */
43 extern int DirectFB_GL_Initialize(_THIS);
44 extern void DirectFB_GL_Shutdown(_THIS);
45 
46 extern int DirectFB_GL_LoadLibrary(_THIS, const char *path);
47 extern void *DirectFB_GL_GetProcAddress(_THIS, const char *proc);
48 extern SDL_GLContext DirectFB_GL_CreateContext(_THIS, SDL_Window * window);
49 extern int DirectFB_GL_MakeCurrent(_THIS, SDL_Window * window,
50                                    SDL_GLContext context);
51 extern int DirectFB_GL_SetSwapInterval(_THIS, int interval);
52 extern int DirectFB_GL_GetSwapInterval(_THIS);
53 extern int DirectFB_GL_SwapWindow(_THIS, SDL_Window * window);
54 extern void DirectFB_GL_DeleteContext(_THIS, SDL_GLContext context);
55 
56 extern void DirectFB_GL_FreeWindowContexts(_THIS, SDL_Window * window);
57 extern void DirectFB_GL_ReAllocWindowContexts(_THIS, SDL_Window * window);
58 extern void DirectFB_GL_DestroyWindowContexts(_THIS, SDL_Window * window);
59 
60 #endif /* SDL_DIRECTFB_OPENGL */
61 
62 #endif /* SDL_directfb_opengl_h_ */
63 
64 /* vi: set ts=4 sw=4 expandtab: */
65