diff --git a/include/ui/FramebufferNativeWindow.h b/include/ui/FramebufferNativeWindow.h
index 68144b5..8ea3ab9 100644
--- a/include/ui/FramebufferNativeWindow.h
+++ b/include/ui/FramebufferNativeWindow.h
@@ -54,6 +54,7 @@
 
     bool isUpdateOnDemand() const { return mUpdateOnDemand; }
     status_t setUpdateRectangle(const Rect& updateRect);
+    status_t compositionComplete();
     
 private:
     friend class LightRefBase<FramebufferNativeWindow>;