diff -r 15bf7259bb7c -r d8a3531bc6b8 uiacceltk/hitchcock/coretoolkit/inc/HuiRenderSurface.h
--- a/uiacceltk/hitchcock/coretoolkit/inc/HuiRenderSurface.h	Tue Feb 02 07:56:43 2010 +0200
+++ b/uiacceltk/hitchcock/coretoolkit/inc/HuiRenderSurface.h	Mon Feb 22 17:57:49 2010 +0200
@@ -104,6 +104,12 @@
     virtual void SwapBuffers() = 0;
 
     /**
+     * Synchronizes the context. All rendering calls for the currently bound context are guaranteed 
+     * to be executed, when thsi method returns.
+     */
+    virtual void Finish() = 0;
+
+    /**
      * Binds a texture to the surface to be used during subsequent drawing
      * operations.
      *