Async drawing!

Change-Id: I7e728356f58af88174328a8c0b90d27b128bfe01
diff --git a/libs/hwui/RenderNode.h b/libs/hwui/RenderNode.h
index 756c9444..291d03d 100644
--- a/libs/hwui/RenderNode.h
+++ b/libs/hwui/RenderNode.h
@@ -139,6 +139,9 @@
 
     ANDROID_API void updateProperties();
 
+    // Returns true if this RenderNode or any of its children have functors
+    bool hasFunctors();
+
 private:
     typedef key_value_pair_t<float, DrawDisplayListOp*> ZDrawDisplayListOpPair;