diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/ataricommon/SDL_atarigl_c.h')
-rw-r--r-- | apps/plugins/sdl/src/video/ataricommon/SDL_atarigl_c.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/video/ataricommon/SDL_atarigl_c.h b/apps/plugins/sdl/src/video/ataricommon/SDL_atarigl_c.h new file mode 100644 index 0000000000..5adcf2a251 --- /dev/null +++ b/apps/plugins/sdl/src/video/ataricommon/SDL_atarigl_c.h | |||
@@ -0,0 +1,109 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 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 | #include "SDL_config.h" | ||
23 | |||
24 | /* Atari OSMesa.ldg implementation of SDL OpenGL support */ | ||
25 | |||
26 | #ifndef _SDL_ATARIGL_H_ | ||
27 | #define _SDL_ATARIGL_H_ | ||
28 | |||
29 | #if SDL_VIDEO_OPENGL | ||
30 | #include <GL/osmesa.h> | ||
31 | #endif | ||
32 | |||
33 | #include "../SDL_sysvideo.h" | ||
34 | |||
35 | /* Hidden "this" pointer for the video functions */ | ||
36 | #define _THIS SDL_VideoDevice *this | ||
37 | |||
38 | struct SDL_PrivateGLData { | ||
39 | |||
40 | int gl_active; /* to stop switching drivers while we have a valid context */ | ||
41 | |||
42 | int gl_oldmesa; /* Old OpenGL support ? */ | ||
43 | |||
44 | int gl_pixelsize; /* for CopyShadow functions */ | ||
45 | |||
46 | SDL_bool gl_upsidedown; /* Some implementations draw upside down */ | ||
47 | |||
48 | Uint8 *gl_shadow; /* Shadow buffer for old implementations */ | ||
49 | |||
50 | /* for unsupported OSMesa buffer formats */ | ||
51 | void (*ConvertSurface)(_THIS, SDL_Surface *surface); | ||
52 | |||
53 | /* to convert the shadow buffer to the screen format */ | ||
54 | void (*CopyShadow)(_THIS, SDL_Surface *surface); | ||
55 | |||
56 | #if SDL_VIDEO_OPENGL | ||
57 | OSMesaContext ctx; | ||
58 | |||
59 | /* OpenGL functions */ | ||
60 | void (*glGetIntegerv)( GLenum pname, GLint *value ); | ||
61 | void (*glFinish)(void); | ||
62 | void (*glFlush)(void); | ||
63 | |||
64 | /* osmesa.ldg */ | ||
65 | OSMesaContext (*OSMesaCreateContextExt)( GLenum format, GLint depthBits, GLint stencilBits, GLint accumBits, OSMesaContext sharelist); | ||
66 | void (*OSMesaDestroyContext)( OSMesaContext ctx ); | ||
67 | GLboolean (*OSMesaMakeCurrent)( OSMesaContext ctx, void *buffer, GLenum type, GLsizei width, GLsizei height ); | ||
68 | void (*OSMesaPixelStore)( GLint pname, GLint value ); | ||
69 | void * (*OSMesaGetProcAddress)( const char *funcName ); | ||
70 | |||
71 | /* mesa_gl.ldg, tiny_gl.ldg */ | ||
72 | void *(*OSMesaCreateLDG)( long format, long type, long width, long height ); | ||
73 | void (*OSMesaDestroyLDG)(void); | ||
74 | |||
75 | /* Info needed to compare existing context with new asked one */ | ||
76 | int width, height; | ||
77 | GLenum format; | ||
78 | GLint depth,stencil,accum; | ||
79 | #endif | ||
80 | }; | ||
81 | |||
82 | /* Variable names */ | ||
83 | #define gl_active (this->gl_data->gl_active) | ||
84 | #define gl_ctx (this->gl_data->ctx) | ||
85 | #define gl_oldmesa (this->gl_data->gl_oldmesa) | ||
86 | #define gl_pixelsize (this->gl_data->gl_pixelsize) | ||
87 | #define gl_upsidedown (this->gl_data->gl_upsidedown) | ||
88 | #define gl_shadow (this->gl_data->gl_shadow) | ||
89 | #define gl_convert (this->gl_data->ConvertSurface) | ||
90 | #define gl_copyshadow (this->gl_data->CopyShadow) | ||
91 | #define gl_curformat (this->gl_data->format) | ||
92 | #define gl_curdepth (this->gl_data->depth) | ||
93 | #define gl_curstencil (this->gl_data->stencil) | ||
94 | #define gl_curaccum (this->gl_data->accum) | ||
95 | #define gl_curwidth (this->gl_data->width) | ||
96 | #define gl_curheight (this->gl_data->height) | ||
97 | |||
98 | /* OpenGL functions */ | ||
99 | extern int SDL_AtariGL_Init(_THIS, SDL_Surface *current); | ||
100 | extern void SDL_AtariGL_Quit(_THIS, SDL_bool unload); | ||
101 | extern void SDL_AtariGL_InitPointers(_THIS); | ||
102 | |||
103 | extern int SDL_AtariGL_LoadLibrary(_THIS, const char *path); | ||
104 | extern void *SDL_AtariGL_GetProcAddress(_THIS, const char *proc); | ||
105 | extern int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value); | ||
106 | extern int SDL_AtariGL_MakeCurrent(_THIS); | ||
107 | extern void SDL_AtariGL_SwapBuffers(_THIS); | ||
108 | |||
109 | #endif /* _SDL_ATARIGL_H_ */ | ||