From 55a04881d8c715ff5c280fb0b3b5a9003833c521 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 6 Feb 2011 08:46:48 -0800
Subject: [PATCH] Fixed crash when binary shaders are not available.

---
 src/render/opengles2/SDL_render_gles2.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/render/opengles2/SDL_render_gles2.c b/src/render/opengles2/SDL_render_gles2.c
index 8de996435..7687a531d 100644
--- a/src/render/opengles2/SDL_render_gles2.c
+++ b/src/render/opengles2/SDL_render_gles2.c
@@ -558,16 +558,17 @@ GLES2_CacheShader(SDL_Renderer *renderer, GLES2_ShaderType type, SDL_BlendMode b
     }
     
     /* Find a matching shader instance that's supported on this hardware */
-    for (i = 0; i < shader->instance_count; ++i)
+    for (i = 0; i < shader->instance_count && !instance; ++i)
     {
-        for (j = 0; j < rdata->shader_format_count; ++j)
+        for (j = 0; j < rdata->shader_format_count && !instance; ++j)
         {
             if (!shader->instances)
                 continue;
+            if (!shader->instances[i])
+                continue;
             if (shader->instances[i]->format != rdata->shader_formats[j])
                 continue;
             instance = shader->instances[i];
-            break;
         }
     }
     if (!instance)