diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 9d130cd..bcfe714 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -1279,6 +1279,11 @@
     return mQueueBufferCondition.waitRelative(mMutex, timeout) == OK;
 }
 
+status_t Surface::getUniqueId(uint64_t* outId) const {
+    Mutex::Autolock lock(mMutex);
+    return mGraphicBufferProducer->getUniqueId(outId);
+}
+
 namespace view {
 
 status_t Surface::writeToParcel(Parcel* parcel) const {