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comparison src/SDL_compat.c @ 1912:8d384b647307

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Setting up the OpenGL support
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 Jul 2006 09:34:01 +0000
parents 06c27a737b7a
children 83420da906a5
comparison
equal deleted inserted replaced
1911:7577fd11cee4 1912:8d384b647307
34 static SDL_RendererInfo SDL_VideoRendererInfo; 34 static SDL_RendererInfo SDL_VideoRendererInfo;
35 static SDL_TextureID SDL_VideoTexture; 35 static SDL_TextureID SDL_VideoTexture;
36 static SDL_Surface *SDL_VideoSurface; 36 static SDL_Surface *SDL_VideoSurface;
37 static SDL_Surface *SDL_ShadowSurface; 37 static SDL_Surface *SDL_ShadowSurface;
38 static SDL_Surface *SDL_PublicSurface; 38 static SDL_Surface *SDL_PublicSurface;
39 static SDL_GLContext *SDL_VideoContext;
39 static char *wm_title; 40 static char *wm_title;
40 41
41 char * 42 char *
42 SDL_AudioDriverName(char *namebuf, int maxlen) 43 SDL_AudioDriverName(char *namebuf, int maxlen)
43 { 44 {
333 SDL_DelPaletteWatch(SDL_VideoSurface->format->palette, 334 SDL_DelPaletteWatch(SDL_VideoSurface->format->palette,
334 SDL_VideoPaletteChanged, NULL); 335 SDL_VideoPaletteChanged, NULL);
335 SDL_FreeSurface(SDL_VideoSurface); 336 SDL_FreeSurface(SDL_VideoSurface);
336 SDL_VideoSurface = NULL; 337 SDL_VideoSurface = NULL;
337 } 338 }
339 if (SDL_VideoContext) {
340 SDL_GL_MakeCurrent(0, SDL_VideoContext);
341 SDL_GL_DeleteContext(SDL_VideoContext);
342 SDL_VideoContext = NULL;
343 }
338 if (SDL_VideoWindow) { 344 if (SDL_VideoWindow) {
339 SDL_GetWindowPosition(SDL_VideoWindow, &window_x, &window_y); 345 SDL_GetWindowPosition(SDL_VideoWindow, &window_x, &window_y);
340 } 346 }
341 SDL_DestroyWindow(SDL_VideoWindow); 347 SDL_DestroyWindow(SDL_VideoWindow);
342 348
430 } 436 }
431 } 437 }
432 438
433 /* If we're in OpenGL mode, just create a stub surface and we're done! */ 439 /* If we're in OpenGL mode, just create a stub surface and we're done! */
434 if (flags & SDL_OPENGL) { 440 if (flags & SDL_OPENGL) {
441 SDL_VideoContext = SDL_GL_CreateContext(SDL_VideoWindow);
442 if (!SDL_VideoContext) {
443 return NULL;
444 }
445 if (SDL_GL_MakeCurrent(SDL_VideoWindow, SDL_VideoContext) < 0) {
446 return NULL;
447 }
435 SDL_VideoSurface = 448 SDL_VideoSurface =
436 SDL_CreateRGBSurfaceFrom(NULL, width, height, bpp, 0, 0, 0, 0, 0); 449 SDL_CreateRGBSurfaceFrom(NULL, width, height, bpp, 0, 0, 0, 0, 0);
437 if (!SDL_VideoSurface) { 450 if (!SDL_VideoSurface) {
438 return NULL; 451 return NULL;
439 } 452 }
1416 } 1429 }
1417 SDL_free(overlay); 1430 SDL_free(overlay);
1418 } 1431 }
1419 } 1432 }
1420 1433
1434 int
1435 SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
1436 {
1437 return SDL_GL_GetWindowAttribute(SDL_VideoWindow, attr, value);
1438 }
1439
1440 void
1441 SDL_GL_SwapBuffers(void)
1442 {
1443 SDL_GL_SwapWindow(SDL_VideoWindow);
1444 }
1445
1421 /* vi: set ts=4 sw=4 expandtab: */ 1446 /* vi: set ts=4 sw=4 expandtab: */