From: Tobias Markus <tobbi@mozilla-uk.org>
Date: Thu, 12 Sep 2013 12:26:29 +0000 (+0200)
Subject: Issue 1015: Adding null-checks to GLRenderer::draw_surface
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=06096cd1bed6ac3b4afa02af49d80bc6caf8e6ee;p=supertux.git

Issue 1015: Adding null-checks to GLRenderer::draw_surface
---

diff --git a/src/video/gl/gl_renderer.cpp b/src/video/gl/gl_renderer.cpp
index 18e3874b6..b16652961 100644
--- a/src/video/gl/gl_renderer.cpp
+++ b/src/video/gl/gl_renderer.cpp
@@ -118,8 +118,20 @@ void
 GLRenderer::draw_surface(const DrawingRequest& request)
 {
   const Surface* surface = (const Surface*) request.request_data;
+  if(surface == NULL)
+  {
+    return;
+  }
   GLTexture* gltexture = static_cast<GLTexture*>(surface->get_texture().get());
+  if(gltexture == NULL)
+  {
+    return;
+  }
   GLSurfaceData *surface_data = static_cast<GLSurfaceData*>(surface->get_surface_data());
+  if(surface_data == NULL)
+  {
+    return;
+  }
 
   GLuint th = gltexture->get_handle();
   if (th != last_texture) {