From c64c0ef805044177b5bab84e1f7c07da3bf35693 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Thu, 15 Apr 2010 21:27:32 -0700
Subject: [PATCH] Fixed bug 984

SDL_CreateTexture allows the creation of textures of size 0, which can lead to div by 0 errors
---
 src/video/SDL_video.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index 2f7d37361..8ac0d1d4c 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -1649,6 +1649,10 @@ SDL_CreateTexture(Uint32 format, int access, int w, int h)
         SDL_Unsupported();
         return 0;
     }
+    if (w <= 0 || h <= 0) {
+        SDL_SetError("Texture dimensions can't be 0");
+        return 0;
+    }
     texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
     if (!texture) {
         SDL_OutOfMemory();