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If a double-buffered surface was requested, and a plain hardware surface

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was returned, we should create a shadow surface.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40581
This commit is contained in:
Sam Lantinga 2003-01-26 04:30:18 +00:00
parent a720fc3e74
commit dc74b15514
1 changed files with 4 additions and 1 deletions
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5
src/video/SDL_video.c
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@ -836,7 +836,10 @@ do { \
as soon as they are performed, so we need to buffer them as soon as they are performed, so we need to buffer them
*/ */
( ((flags&SDL_HWSURFACE) == SDL_SWSURFACE) && ( ((flags&SDL_HWSURFACE) == SDL_SWSURFACE) &&
(SDL_VideoSurface->flags&SDL_HWSURFACE)) (SDL_VideoSurface->flags&SDL_HWSURFACE)) ||
( (flags&SDL_DOUBLEBUF) &&
(SDL_VideoSurface->flags&SDL_HWSURFACE) &&
!(SDL_VideoSurface->flags&SDL_DOUBLEBUF))
) ) { ) ) {
SDL_CreateShadowSurface(bpp); SDL_CreateShadowSurface(bpp);
if ( SDL_ShadowSurface == NULL ) { if ( SDL_ShadowSurface == NULL ) {