diff --git a/include/gui/SurfaceControl.h b/include/gui/SurfaceControl.h
index 043eb53..5e731c3 100644
--- a/include/gui/SurfaceControl.h
+++ b/include/gui/SurfaceControl.h
@@ -97,6 +97,8 @@
     status_t clearLayerFrameStats() const;
     status_t getLayerFrameStats(FrameStats* outStats) const;
 
+    status_t getTransformToDisplayInverse(bool* outTransformToDisplayInverse) const;
+
 private:
     // can't be copied
     SurfaceControl& operator = (SurfaceControl& rhs);