annotate src/video/wincommon/SDL_wingl_c.h @ 0:74212992fb08

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author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
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children e8157fcb3114
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* WGL implementation of SDL OpenGL support */
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29
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30 #include "SDL_sysvideo.h"
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31
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32
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33 struct SDL_PrivateGLData {
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34 int gl_active; /* to stop switching drivers while we have a valid context */
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35
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36 #ifdef HAVE_OPENGL
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37 PIXELFORMATDESCRIPTOR GL_pfd;
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38 HDC GL_hdc;
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39 HGLRC GL_hrc;
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40
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41 void * (WINAPI *wglGetProcAddress)(const char *proc);
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42
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43 HGLRC (WINAPI *wglCreateContext)(HDC hdc);
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44
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45 BOOL (WINAPI *wglDeleteContext)(HGLRC hglrc);
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46
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47 BOOL (WINAPI *wglMakeCurrent)(HDC hdc, HGLRC hglrc);
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48
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49 #endif /* HAVE_OPENGL */
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50 };
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51
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52 /* Old variable names */
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53 #define gl_active (this->gl_data->gl_active)
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54 #define GL_pfd (this->gl_data->GL_pfd)
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55 #define GL_hdc (this->gl_data->GL_hdc)
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56 #define GL_hrc (this->gl_data->GL_hrc)
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57
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58 /* OpenGL functions */
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59 extern int WIN_GL_SetupWindow(_THIS);
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60 extern void WIN_GL_ShutDown(_THIS);
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61 #ifdef HAVE_OPENGL
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62 extern int WIN_GL_MakeCurrent(_THIS);
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63 extern int WIN_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
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64 extern void WIN_GL_SwapBuffers(_THIS);
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65 extern void WIN_GL_UnloadLibrary(_THIS);
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66 extern int WIN_GL_LoadLibrary(_THIS, const char* path);
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67 extern void *WIN_GL_GetProcAddress(_THIS, const char* proc);
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68 #endif
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69