diff -r bbf46f59e123 -r 25ffed67c7ef graphicsdeviceinterface/screendriver/sgeneric/scdraw.h
--- a/graphicsdeviceinterface/screendriver/sgeneric/scdraw.h	Tue Aug 31 16:31:06 2010 +0300
+++ b/graphicsdeviceinterface/screendriver/sgeneric/scdraw.h	Wed Sep 01 12:39:21 2010 +0100
@@ -63,6 +63,7 @@
 	void Update();
 	void Update(TRequestStatus& aStatus);
 
+	void Update(const TRegion& aRegion);
 	void UpdateRegion(const TRect& aRect);
 	void ResetUpdateRegion();
 	void NotifyWhenAvailable(TRequestStatus& aStatus);