From 60435712f2c9bffb7c244c69f8e406e9854f9376 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Wed, 3 Jun 2020 16:42:19 -0400
Subject: [PATCH] video: Set window->surface NULL after freeing it.

Otherwise, when SDL_CreateWindowFramebuffer() is called again, it will return
the free'd surface instead of creating a new one.
---
 src/video/SDL_video.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index bebd566c7..dabdd8f24 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -2374,6 +2374,7 @@ SDL_GetWindowSurface(SDL_Window * window)
         if (window->surface) {
             window->surface->flags &= ~SDL_DONTFREE;
             SDL_FreeSurface(window->surface);
+            window->surface = NULL;
         }
         window->surface = SDL_CreateWindowFramebuffer(window);
         if (window->surface) {