e14743d1 |
1 | /* |
2 | SDL - Simple DirectMedia Layer |
3 | Copyright (C) 1997-2009 Sam Lantinga |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 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 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with this library; if not, write to the Free Software |
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
18 | |
19 | Sam Lantinga |
20 | slouken@libsdl.org |
21 | */ |
22 | #include "SDL_config.h" |
23 | |
24 | #if SDL_VIDEO_OPENGL_GLX |
25 | #include <GL/glx.h> |
26 | #include "SDL_loadso.h" |
27 | #endif |
28 | |
29 | #include "../SDL_sysvideo.h" |
30 | |
31 | struct SDL_PrivateGLData { |
32 | int gl_active; /* to stop switching drivers while we have a valid context */ |
33 | |
34 | #if SDL_VIDEO_OPENGL_GLX |
35 | GLXContext glx_context; /* Current GL context */ |
36 | XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */ |
37 | |
38 | void * (*glXGetProcAddress)(const GLubyte *procName); |
39 | |
40 | XVisualInfo* (*glXChooseVisual) |
41 | ( Display* dpy, |
42 | int screen, |
43 | int* attribList ); |
44 | |
45 | GLXContext (*glXCreateContext) |
46 | ( Display* dpy, |
47 | XVisualInfo* vis, |
48 | GLXContext shareList, |
49 | Bool direct ); |
50 | |
51 | void (*glXDestroyContext) |
52 | ( Display* dpy, |
53 | GLXContext ctx ); |
54 | |
55 | Bool (*glXMakeCurrent) |
56 | ( Display* dpy, |
57 | GLXDrawable drawable, |
58 | GLXContext ctx ); |
59 | |
60 | void (*glXSwapBuffers) |
61 | ( Display* dpy, |
62 | GLXDrawable drawable ); |
63 | |
64 | int (*glXGetConfig) |
65 | ( Display* dpy, |
66 | XVisualInfo* visual_info, |
67 | int attrib, |
68 | int* value ); |
69 | |
70 | const char *(*glXQueryExtensionsString) |
71 | ( Display* dpy, |
72 | int screen ); |
73 | |
74 | int (*glXSwapIntervalSGI) ( int interval ); |
75 | GLint (*glXSwapIntervalMESA) ( unsigned interval ); |
76 | int swap_interval; |
77 | #endif /* SDL_VIDEO_OPENGL_GLX */ |
78 | }; |
79 | |
80 | /* Old variable names */ |
81 | #define gl_active (this->gl_data->gl_active) |
82 | #define glx_context (this->gl_data->glx_context) |
83 | #define glx_visualinfo (this->gl_data->glx_visualinfo) |
84 | |
85 | /* OpenGL functions */ |
86 | extern XVisualInfo *X11_GL_GetVisual(_THIS); |
87 | extern int X11_GL_CreateWindow(_THIS, int w, int h); |
88 | extern int X11_GL_CreateContext(_THIS); |
89 | extern void X11_GL_Shutdown(_THIS); |
90 | #if SDL_VIDEO_OPENGL_GLX |
91 | extern int X11_GL_MakeCurrent(_THIS); |
92 | extern int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value); |
93 | extern void X11_GL_SwapBuffers(_THIS); |
94 | extern int X11_GL_LoadLibrary(_THIS, const char* path); |
95 | extern void *X11_GL_GetProcAddress(_THIS, const char* proc); |
96 | #endif |
97 | extern void X11_GL_UnloadLibrary(_THIS); |
98 | |