diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 1188621..393599f 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -101,6 +101,7 @@
     uint32_t getEffectiveUsage(uint32_t usage) const;
     uint32_t getTransformHint() const;
     bool isCropped() const;
+    Rect computeBufferCrop() const;
     static bool getOpacityForFormat(uint32_t format);
 
     // -----------------------------------------------------------------------