From 60fb545fecf18f8230b402b2fa7cd4789d15ab14 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 28 Oct 2012 14:16:18 -0700
Subject: [PATCH] Don't try to create an OpenGL window if we can't load the
 OpenGL library.

---
 src/video/SDL_video.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index aa6362070..254de9eec 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -1168,7 +1168,9 @@ SDL_CreateWindow(const char *title, int x, int y, int w, int h, Uint32 flags)
             SDL_SetError("No OpenGL support in video driver");
             return NULL;
         }
-        SDL_GL_LoadLibrary(NULL);
+        if (SDL_GL_LoadLibrary(NULL) < 0) {
+            return NULL;
+        }
     }
     window = (SDL_Window *)SDL_calloc(1, sizeof(*window));
     window->magic = &_this->window_magic;