diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index 13c748f..e9af9e2 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -668,6 +668,15 @@
     return FloatRect(0, 0, bufWidth, bufHeight);
 }
 
+void BufferLayer::latchAndReleaseBuffer() {
+    mRefreshPending = false;
+    if (hasReadyFrame()) {
+        bool ignored = false;
+        latchBuffer(ignored, systemTime(), 0 /* expectedPresentTime */);
+    }
+    releasePendingBuffer(systemTime());
+}
+
 } // namespace android
 
 #if defined(__gl_h_)