commit 067fcd36bc53a5f884108df5634cb1ca5549a30c
author Shuzhen Wang <shuzhenwang@google.com> Wed Aug 14 10:41:12 2019 -0700
committer Shuzhen Wang <shuzhenwang@google.com> Tue Sep 03 16:48:02 2019 -0700
tree 6676a28615ae2d7fe754a2de60b4ad38b1175233
parent 5488416631c0a23ccef61975860f2755e8e8d834

libgui: Add discardFreeBuffers callback to producer

This enables buffer producer to clear its buffer caches.

Test: Camera CTS, libgui_test
Bug: 136677409
Change-Id: I7f46e977f3edc3b08177654531745d8ca0b86889

libs/gui/BufferQueueProducer.cpp

diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp
index d149674..5674674 100644
--- a/libs/gui/BufferQueueProducer.cpp
+++ b/libs/gui/BufferQueueProducer.cpp
@@ -1223,9 +1223,8 @@
                     }
                     mCore->mLinkedToDeath = listener;
                 }
-                if (listener->needsReleaseNotify()) {
-                    mCore->mConnectedProducerListener = listener;
-                }
+                mCore->mConnectedProducerListener = listener;
+                mCore->mBufferReleasedCbEnabled = listener->needsReleaseNotify();
             }
             break;
         default: