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Clear the screen to actual black based on the format of the screen.

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Use a better texture format for YUV overlay software fallbacks

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%403257
This commit is contained in:
Sam Lantinga 2008-11-28 17:42:40 +00:00
parent 8ae88d7987
commit 30d4fc124c
1 changed files with 7 additions and 2 deletions
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9
src/SDL_compat.c
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@ -371,6 +371,7 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
Uint32 desktop_format;
Uint32 desired_format;
Uint32 surface_flags;
Uint32 black;
if (!SDL_GetVideoDevice()) {
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
@ -580,7 +581,8 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
(SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
/* Clear the surface for display */
SDL_FillRect(SDL_PublicSurface, NULL, 0);
black = SDL_MapRGB(SDL_PublicSurface->format, 0, 0, 0);
SDL_FillRect(SDL_PublicSurface, NULL, black);
SDL_UpdateRect(SDL_PublicSurface, 0, 0, 0, 0);
/* We're finally done! */
@ -1437,6 +1439,8 @@ SDL_CreateYUVOverlay(int w, int h, Uint32 format, SDL_Surface * display)
if (overlay->hwdata->textureID) {
overlay->hwdata->sw = NULL;
} else {
SDL_DisplayMode current_mode;
overlay->hwdata->sw = SDL_SW_CreateYUVTexture(texture_format, w, h);
if (!overlay->hwdata->sw) {
SDL_FreeYUVOverlay(overlay);
@ -1444,8 +1448,9 @@ SDL_CreateYUVOverlay(int w, int h, Uint32 format, SDL_Surface * display)
}
/* Create a supported RGB format texture for display */
SDL_GetCurrentDisplayMode(&current_mode);
overlay->hwdata->textureID =
SDL_CreateTexture(SDL_PIXELFORMAT_RGB888,
SDL_CreateTexture(current_mode.format,
SDL_TEXTUREACCESS_STREAMING, w, h);
}
if (!overlay->hwdata->textureID) {