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Quartz: locking should only recheck CGDisplayBaseAddress() for HWSURFACEs.

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--HG--
branch : SDL-1.2
This commit is contained in:
Ryan C. Gordon
2011-07-17 01:03:13 -07:00
parent b92c1e4101
commit 426198b711
1 changed files with 1 additions and 1 deletions
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2
src/video/quartz/SDL_QuartzVideo.m
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@@ -1252,7 +1252,7 @@ static int QZ_LockHWSurface(_THIS, SDL_Surface *surface)
* Always get latest bitmap address and rowbytes for the screen surface;
* they can change dynamically (user has multiple monitors, etc).
*/
if (surface == SDL_VideoSurface) {
if ((surface == SDL_VideoSurface) && (surface->flags & SDL_HWSURFACE)) {
surface->pixels = (void*) CGDisplayBaseAddress (kCGDirectMainDisplay);
surface->pitch = CGDisplayBytesPerRow (kCGDirectMainDisplay);
return (surface->pixels != NULL);