diff --git a/libs/surfaceflinger/LayerBuffer.h b/libs/surfaceflinger/LayerBuffer.h
index 2ca63ac..90f83c4 100644
--- a/libs/surfaceflinger/LayerBuffer.h
+++ b/libs/surfaceflinger/LayerBuffer.h
@@ -99,6 +99,9 @@
     class Buffer : public LightRefBase<Buffer> {
     public:
         Buffer(const ISurface::BufferHeap& buffers, ssize_t offset);
+        inline bool supportsCopybit() const {
+            return mSupportsCopybit;
+        }
         inline status_t getStatus() const {
             return mBufferHeap.heap!=0 ? NO_ERROR : NO_INIT;
         }
@@ -113,6 +116,7 @@
     private:
         ISurface::BufferHeap    mBufferHeap;
         NativeBuffer            mNativeBuffer;
+        bool                    mSupportsCopybit;
     };
 
     class BufferSource : public Source {