Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_atarigl_c.h @ 991:12b13601a544

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
author Patrice Mandin <patmandin@gmail.com>
date Fri, 26 Nov 2004 16:16:50 +0000
parents 475166d13b44
children 0324ce32b2d9
rev   line source
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
1 /*
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
3 Copyright (C) 1997-2004 Sam Lantinga
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
4
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
9
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
13 Library General Public License for more details.
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
14
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
16 License along with this library; if not, write to the Free
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
18
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
19 Sam Lantinga
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
20 slouken@libsdl.org
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
21 */
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
22
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
23 /* Atari OSMesa.ldg implementation of SDL OpenGL support */
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
24
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
25 #ifndef _SDL_ATARIGL_H_
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
26 #define _SDL_ATARIGL_H_
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
27
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
28 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
29 #include <GL/osmesa.h>
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
30 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
31
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
32 #include "SDL_sysvideo.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
33 #define _THIS SDL_VideoDevice *this
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
34
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
35 struct SDL_PrivateGLData {
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
36
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
37 int gl_active; /* to stop switching drivers while we have a valid context */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
38
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
39 int gl_oldmesa; /* Old OpenGL support ? */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
40
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
41 int gl_pixelsize; /* for CopyShadow functions */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
42
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
43 Uint8 *gl_shadow; /* Shadow buffer for old implementations */
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
44
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
45 /* for unsupported OSMesa buffer formats */
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
46 void (*ConvertSurface)(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
47
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
48 /* to convert the shadow buffer to the screen format */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
49 void (*CopyShadow)(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
50
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
51 OSMesaContext ctx;
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
52
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
53 /* osmesa.ldg */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
54 OSMesaContext (*OSMesaCreateContextExt)( GLenum format, GLint depthBits, GLint stencilBits, GLint accumBits, OSMesaContext sharelist);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
55 void (*OSMesaDestroyContext)( OSMesaContext ctx );
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
56 GLboolean (*OSMesaMakeCurrent)( OSMesaContext ctx, void *buffer, GLenum type, GLsizei width, GLsizei height );
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
57 void (*OSMesaPixelStore)( GLint pname, GLint value );
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
58 void * (*OSMesaGetProcAddress)( const char *funcName );
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
59 void (*glGetIntegerv)( GLenum pname, GLint *value );
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
60
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
61 /* mesa_gl.ldg, tiny_gl.ldg */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
62 void *(*OSMesaCreateLDG)( long format, long type, long width, long height );
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
63 void (*OSMesaDestroyLDG)(void);
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
64 };
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
65
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
66 /* Variable names */
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
67 #define gl_active (this->gl_data->gl_active)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
68 #define gl_ctx (this->gl_data->ctx)
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
69 #define gl_oldmesa (this->gl_data->gl_oldmesa)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
70 #define gl_pixelsize (this->gl_data->gl_pixelsize)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
71 #define gl_shadow (this->gl_data->gl_shadow)
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
72 #define gl_convert (this->gl_data->ConvertSurface)
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
73 #define gl_copyshadow (this->gl_data->CopyShadow)
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
74
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
75 /* OpenGL functions */
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
76 extern int SDL_AtariGL_Init(_THIS, SDL_Surface *current);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
77 extern void SDL_AtariGL_Quit(_THIS);
991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents: 989
diff changeset
78 extern void SDL_AtariGL_InitPointers(_THIS);
989
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
79
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
80 extern int SDL_AtariGL_LoadLibrary(_THIS, const char *path);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
81 extern void *SDL_AtariGL_GetProcAddress(_THIS, const char *proc);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
82 extern int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
83 extern int SDL_AtariGL_MakeCurrent(_THIS);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
84 extern void SDL_AtariGL_SwapBuffers(_THIS);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
85
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff changeset
86 #endif /* _SDL_ATARIGL_H_ */