src/video/wincommon/SDL_wingl_c.h
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FUNCTIONS
This source file includes following functions.
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: SDL_wingl_c.h,v 1.1.2.9 2001/02/28 12:47:09 hercules Exp $";
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