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Fixed bug 2123 - SDL_BlitScaled crashes in src/video/SDL_blit_N.c:2145 

We need to reset the blit function when switching between scaled and unscaled blits.
This commit is contained in:
Sam Lantinga 2013-10-18 00:47:22 -07:00
parent a329c7f1c9
commit 379c0054dc
1 changed files with 10 additions and 1 deletions
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11
src/video/SDL_surface.c
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@ -596,6 +596,12 @@ SDL_UpperBlit(SDL_Surface * src, const SDL_Rect * srcrect,
h -= dy;
}
/* Switch back to a fast blit if we were previously stretching */
if (src->map->info.flags & SDL_COPY_NEAREST) {
src->map->info.flags &= ~SDL_COPY_NEAREST;
SDL_InvalidateMap(src->map);
}
if (w > 0 && h > 0) {
SDL_Rect sr;
sr.x = srcx;
@ -747,7 +753,10 @@ SDL_LowerBlitScaled(SDL_Surface * src, SDL_Rect * srcrect,
return 0;
}
src->map->info.flags |= SDL_COPY_NEAREST;
if (!(src->map->info.flags & SDL_COPY_NEAREST)) {
src->map->info.flags |= SDL_COPY_NEAREST;
SDL_InvalidateMap(src->map);
}
if ( !(src->map->info.flags & complex_copy_flags) &&
src->format->format == dst->format->format &&