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comparison src/SDL_compat.c @ 2796:9f6601537163

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Clear the screen to actual black based on the format of the screen. Use a better texture format for YUV overlay software fallbacks
author Sam Lantinga <slouken@libsdl.org>
date Fri, 28 Nov 2008 17:42:40 +0000
parents 6bacfecbf27e
children 8fe261aae1bb
comparison
equal deleted inserted replaced
2795:9e7ce3069096 2796:9f6601537163
369 int window_y = SDL_WINDOWPOS_UNDEFINED; 369 int window_y = SDL_WINDOWPOS_UNDEFINED;
370 Uint32 window_flags; 370 Uint32 window_flags;
371 Uint32 desktop_format; 371 Uint32 desktop_format;
372 Uint32 desired_format; 372 Uint32 desired_format;
373 Uint32 surface_flags; 373 Uint32 surface_flags;
374 Uint32 black;
374 375
375 if (!SDL_GetVideoDevice()) { 376 if (!SDL_GetVideoDevice()) {
376 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) { 377 if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
377 return NULL; 378 return NULL;
378 } 379 }
578 } 579 }
579 SDL_PublicSurface = 580 SDL_PublicSurface =
580 (SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface); 581 (SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
581 582
582 /* Clear the surface for display */ 583 /* Clear the surface for display */
583 SDL_FillRect(SDL_PublicSurface, NULL, 0); 584 black = SDL_MapRGB(SDL_PublicSurface->format, 0, 0, 0);
585 SDL_FillRect(SDL_PublicSurface, NULL, black);
584 SDL_UpdateRect(SDL_PublicSurface, 0, 0, 0, 0); 586 SDL_UpdateRect(SDL_PublicSurface, 0, 0, 0, 0);
585 587
586 /* We're finally done! */ 588 /* We're finally done! */
587 return SDL_PublicSurface; 589 return SDL_PublicSurface;
588 } 590 }
1435 overlay->hwdata->textureID = 1437 overlay->hwdata->textureID =
1436 SDL_CreateTexture(texture_format, SDL_TEXTUREACCESS_STREAMING, w, h); 1438 SDL_CreateTexture(texture_format, SDL_TEXTUREACCESS_STREAMING, w, h);
1437 if (overlay->hwdata->textureID) { 1439 if (overlay->hwdata->textureID) {
1438 overlay->hwdata->sw = NULL; 1440 overlay->hwdata->sw = NULL;
1439 } else { 1441 } else {
1442 SDL_DisplayMode current_mode;
1443
1440 overlay->hwdata->sw = SDL_SW_CreateYUVTexture(texture_format, w, h); 1444 overlay->hwdata->sw = SDL_SW_CreateYUVTexture(texture_format, w, h);
1441 if (!overlay->hwdata->sw) { 1445 if (!overlay->hwdata->sw) {
1442 SDL_FreeYUVOverlay(overlay); 1446 SDL_FreeYUVOverlay(overlay);
1443 return NULL; 1447 return NULL;
1444 } 1448 }
1445 1449
1446 /* Create a supported RGB format texture for display */ 1450 /* Create a supported RGB format texture for display */
1451 SDL_GetCurrentDisplayMode(&current_mode);
1447 overlay->hwdata->textureID = 1452 overlay->hwdata->textureID =
1448 SDL_CreateTexture(SDL_PIXELFORMAT_RGB888, 1453 SDL_CreateTexture(current_mode.format,
1449 SDL_TEXTUREACCESS_STREAMING, w, h); 1454 SDL_TEXTUREACCESS_STREAMING, w, h);
1450 } 1455 }
1451 if (!overlay->hwdata->textureID) { 1456 if (!overlay->hwdata->textureID) {
1452 SDL_FreeYUVOverlay(overlay); 1457 SDL_FreeYUVOverlay(overlay);
1453 return NULL; 1458 return NULL;