From 00394996eb7e48e2f23a7aff15418813951044f0 Mon Sep 17 00:00:00 2001
From: Philipp Wiesemann <philipp.wiesemann@arcor.de>
Date: Fri, 2 Jun 2017 22:15:12 +0200
Subject: [PATCH] Fixed crash if calling SDL_CreateShapedWindow() on
 unsupported platforms.

---
 src/video/SDL_shape.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/video/SDL_shape.c b/src/video/SDL_shape.c
index 799266bdf..451f2aca3 100644
--- a/src/video/SDL_shape.c
+++ b/src/video/SDL_shape.c
@@ -35,6 +35,10 @@ SDL_CreateShapedWindow(const char *title,unsigned int x,unsigned int y,unsigned
     SDL_Window *result = NULL;
     result = SDL_CreateWindow(title,-1000,-1000,w,h,(flags | SDL_WINDOW_BORDERLESS) & (~SDL_WINDOW_FULLSCREEN) & (~SDL_WINDOW_RESIZABLE) /* & (~SDL_WINDOW_SHOWN) */);
     if(result != NULL) {
+        if (SDL_GetVideoDevice()->shape_driver.CreateShaper == NULL) {
+            SDL_DestroyWindow(result);
+            return NULL;
+        }
         result->shaper = SDL_GetVideoDevice()->shape_driver.CreateShaper(result);
         if(result->shaper != NULL) {
             result->shaper->userx = x;