Do not overwrite window surface created by driver

If a driver's implementation of CreateWindowFramebuffer sets the window surface, use that rather than overwriting it. A driver may set the window surface if data cannot be passed via the CreateWindowFramebuffer output parameters (e.g. surface palette colors).
libsdl-org · Mar 23, 2020 · e0a2705 · e0a2705
1 parent 1fd548b
commit e0a2705
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
@@ -2319,6 +2319,10 @@ SDL_CreateWindowFramebuffer(SDL_Window * window)
         return NULL;
     }
 
+    if (window->surface) {
+        return window->surface;
+    }
+
     if (!SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask)) {
         return NULL;
     }