pandory500/SDL-mirror
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extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40265
This commit is contained in:
Sam Lantinga 2002-01-14 19:20:39 +00:00
parent fbed922ce2
commit d79384a241
1 changed files with 8 additions and 0 deletions
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8
src/video/SDL_surface.c
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@ -711,6 +711,14 @@ SDL_Surface * SDL_ConvertSurface (SDL_Surface *surface,
} }
} }
/* Only create hw surfaces with alpha channel if hw alpha blits
are supported */
if(format->Amask != 0 && (flags & SDL_HWSURFACE)) {
const SDL_VideoInfo *vi = SDL_GetVideoInfo();
if(!vi || !vi->blit_hw_A)
flags &= ~SDL_HWSURFACE;
}
/* Create a new surface with the desired format */ /* Create a new surface with the desired format */
convert = SDL_CreateRGBSurface(flags, convert = SDL_CreateRGBSurface(flags,
surface->w, surface->h, format->BitsPerPixel, surface->w, surface->h, format->BitsPerPixel,