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Lazily redo RLE encoding

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Also stop lying about the RLE encoding state, which causes crashes if we do RLE blit operations while the surface is locked.
This commit is contained in:
Sam Lantinga
2025-11-08 14:31:06 -08:00
parent cc2a272d6f
commit 089dc86bcf
1 changed files with 1 additions and 10 deletions
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11
src/video/SDL_surface.c
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@@ -1726,8 +1726,7 @@ bool SDL_LockSurface(SDL_Surface *surface)
// Perform the lock
if (surface->internal_flags & SDL_INTERNAL_SURFACE_RLEACCEL) {
SDL_UnRLESurface(surface);
surface->internal_flags |= SDL_INTERNAL_SURFACE_RLEACCEL; // save accel'd state
SDL_UpdateSurfaceLockFlag(surface);
surface->flags |= SDL_SURFACE_LOCK_NEEDED;
}
#endif
}
@@ -1754,14 +1753,6 @@ void SDL_UnlockSurface(SDL_Surface *surface)
return;
}
#ifdef SDL_HAVE_RLE
// Update RLE encoded surface with new data
if (surface->internal_flags & SDL_INTERNAL_SURFACE_RLEACCEL) {
surface->internal_flags &= ~SDL_INTERNAL_SURFACE_RLEACCEL; // stop lying
SDL_RLESurface(surface);
}
#endif
surface->flags &= ~SDL_SURFACE_LOCKED;
}