diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index f0fe58a..1f8eff0 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -142,6 +142,7 @@
 
     void computeGeometry(const sp<const DisplayDevice>& hw, Mesh& mesh,
             bool useIdentityTransform) const;
+    Rect computeBounds(const Region& activeTransparentRegion) const;
     Rect computeBounds() const;
 
     sp<IBinder> getHandle();