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comparison src/video/ataricommon/SDL_atarigl_c.h @ 989:475166d13b44

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Factorize OSMesa OpenGL code for Atari drivers
author Patrice Mandin <patmandin@gmail.com>
date Thu, 25 Nov 2004 15:47:49 +0000
parents
children 12b13601a544
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988:24b5c3ad4852 989:475166d13b44
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2004 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22
23 /* Atari OSMesa.ldg implementation of SDL OpenGL support */
24
25 #ifndef _SDL_ATARIGL_H_
26 #define _SDL_ATARIGL_H_
27
28 #ifdef HAVE_OPENGL
29 #include <GL/osmesa.h>
30 #endif
31
32 #include "SDL_sysvideo.h"
33 #define _THIS SDL_VideoDevice *this
34
35 struct SDL_PrivateGLData {
36 /* to stop switching drivers while we have a valid context */
37 int gl_active;
38
39 /* for unsupported OSMesa buffer formats */
40 void (*ConvertSurface)(SDL_Surface *surface);
41
42 #ifdef HAVE_OPENGL
43 OSMesaContext ctx;
44 #endif
45 };
46
47 /* Old variable names */
48 #define gl_active (this->gl_data->gl_active)
49 #define gl_ctx (this->gl_data->ctx)
50 #define gl_convert (this->gl_data->ConvertSurface)
51
52 /* OpenGL functions */
53 extern int SDL_AtariGL_Init(_THIS, SDL_Surface *current);
54 extern void SDL_AtariGL_Quit(_THIS);
55
56 extern int SDL_AtariGL_LoadLibrary(_THIS, const char *path);
57 extern void *SDL_AtariGL_GetProcAddress(_THIS, const char *proc);
58 extern int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
59 extern int SDL_AtariGL_MakeCurrent(_THIS);
60 extern void SDL_AtariGL_SwapBuffers(_THIS);
61
62 #endif /* _SDL_ATARIGL_H_ */