|
0
|
1 /*
|
|
|
2 SDL - Simple DirectMedia Layer
|
|
|
3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com
|
|
|
21 */
|
|
|
22
|
|
|
23 #ifdef SAVE_RCSID
|
|
|
24 static char rcsid =
|
|
|
25 "@(#) $Id$";
|
|
|
26 #endif
|
|
|
27
|
|
|
28 /* WGL implementation of SDL OpenGL support */
|
|
|
29
|
|
|
30 #include "SDL_sysvideo.h"
|
|
|
31
|
|
|
32
|
|
|
33 struct SDL_PrivateGLData {
|
|
|
34 int gl_active; /* to stop switching drivers while we have a valid context */
|
|
|
35
|
|
|
36 #ifdef HAVE_OPENGL
|
|
|
37 PIXELFORMATDESCRIPTOR GL_pfd;
|
|
|
38 HDC GL_hdc;
|
|
|
39 HGLRC GL_hrc;
|
|
|
40
|
|
|
41 void * (WINAPI *wglGetProcAddress)(const char *proc);
|
|
|
42
|
|
|
43 HGLRC (WINAPI *wglCreateContext)(HDC hdc);
|
|
|
44
|
|
|
45 BOOL (WINAPI *wglDeleteContext)(HGLRC hglrc);
|
|
|
46
|
|
|
47 BOOL (WINAPI *wglMakeCurrent)(HDC hdc, HGLRC hglrc);
|
|
|
48
|
|
|
49 #endif /* HAVE_OPENGL */
|
|
|
50 };
|
|
|
51
|
|
|
52 /* Old variable names */
|
|
|
53 #define gl_active (this->gl_data->gl_active)
|
|
|
54 #define GL_pfd (this->gl_data->GL_pfd)
|
|
|
55 #define GL_hdc (this->gl_data->GL_hdc)
|
|
|
56 #define GL_hrc (this->gl_data->GL_hrc)
|
|
|
57
|
|
|
58 /* OpenGL functions */
|
|
|
59 extern int WIN_GL_SetupWindow(_THIS);
|
|
|
60 extern void WIN_GL_ShutDown(_THIS);
|
|
|
61 #ifdef HAVE_OPENGL
|
|
|
62 extern int WIN_GL_MakeCurrent(_THIS);
|
|
|
63 extern int WIN_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
|
|
|
64 extern void WIN_GL_SwapBuffers(_THIS);
|
|
|
65 extern void WIN_GL_UnloadLibrary(_THIS);
|
|
|
66 extern int WIN_GL_LoadLibrary(_THIS, const char* path);
|
|
|
67 extern void *WIN_GL_GetProcAddress(_THIS, const char* proc);
|
|
|
68 #endif
|
|
|
69
|
