Add a method to destroy the RS object.
diff --git a/graphics/java/android/renderscript/RSSurfaceView.java b/graphics/java/android/renderscript/RSSurfaceView.java
index b46a749..63994ab 100644
--- a/graphics/java/android/renderscript/RSSurfaceView.java
+++ b/graphics/java/android/renderscript/RSSurfaceView.java
@@ -153,6 +153,9 @@
         return createRenderScript(useDepth, false);
     }
 
-
+    public void destroyRenderScript() {
+        mRS.destroy();
+        mRS = null;
+    }
 }