1 files changed, 10 insertions, 0 deletions
diff --git a/include/gui/BufferQueueCore.h b/include/gui/BufferQueueCore.h
index 9a43516..99134ea 100644
--- a/include/gui/BufferQueueCore.h
+++ b/include/gui/BufferQueueCore.h
@@ -270,6 +270,16 @@ private:
     // mAllowAllocation determines whether dequeueBuffer is allowed to allocate
     // new buffers
     bool mAllowAllocation;
+
+    // mBufferAge tracks the age of the contents of the most recently dequeued
+    // buffer as the number of frames that have elapsed since it was last queued
+    uint64_t mBufferAge;
+
+    // mGenerationNumber stores the current generation number of the attached
+    // producer. Any attempt to attach a buffer with a different generation
+    // number will fail.
+    uint32_t mGenerationNumber;
+
 }; // class BufferQueueCore
 
 } // namespace android