- if (src_surface != backbuffer || dst_surface != window)
- SDL_BlitSurface(src_surface, &src_rect, surface, &dst_rect);
+ if (src_bitmap != backbuffer || dst_bitmap != window)
+ SDL_BlitSurface((copy_mode == SDLCOPYAREA_MASKED ?
+ src_bitmap->surface_masked : src_bitmap->surface),
+ &src_rect, real_dst_bitmap->surface, &dst_rect);