From a3c135616a786874df907ded8d169dad21eb257b Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Fri, 22 Mar 2019 09:43:16 -0400
Subject: [PATCH] SDL 1.2 ignores SDL_FreeSurface() attempts on the screen
 surface.

Fixes Bugzilla #4559.
---
 src/SDL12_compat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index 1dfb0d201..bee0507bc 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -2319,7 +2319,7 @@ SDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pit
 DECLSPEC void SDLCALL
 SDL_FreeSurface(SDL12_Surface *surface12)
 {
-    if (surface12) {
+    if (surface12 && (surface12 != VideoSurface12)) {
         SDL20_FreeSurface(surface12->surface20);
         if (surface12->format) {
             SDL20_free(surface12->format->palette);