--- old/modules/graphics/src/main/java/com/sun/glass/ui/Application.java	2014-01-16 20:22:39.000000000 +0200
+++ new/modules/graphics/src/main/java/com/sun/glass/ui/Application.java	2014-01-16 20:22:38.000000000 +0200
@@ -364,6 +364,18 @@
         return true; // overridden in platform application class
     }
 
+    /**
+     * Gets a Runnable object to be called on the application thread to
+     * notify that rendering has completed. Systems that require notification
+     * of rendering completion should override this method.
+     *
+     * @return a Runnable to be called on the application thread when rendering
+     * has completed, or null if no notification is needed.
+     */
+    public Runnable getRenderEndNotifier() {
+        return null;
+    }
+
     public void terminate() {
         checkEventThread();
         try {
--- old/modules/graphics/src/main/java/com/sun/javafx/tk/quantum/PaintCollector.java	2014-01-16 20:22:40.000000000 +0200
+++ new/modules/graphics/src/main/java/com/sun/javafx/tk/quantum/PaintCollector.java	2014-01-16 20:22:39.000000000 +0200
@@ -299,6 +299,11 @@
                 toolkit.vsyncHint();
             }
 
+            Runnable renderEndNotifier = Application.GetApplication().getRenderEndNotifier();
+            if (renderEndNotifier != null) {
+                Application.invokeLater(renderEndNotifier);
+            }
+
             // If pulse logging is enabled, then we must call renderEnd now
             // that we know that all of the scene's being rendered are finished
             if (PULSE_LOGGING_ENABLED) {