commit 3e2a2991783a4d0067b532ad6d0e607a756ac194
author Robert Carr <racarr@google.com> Fri Jun 11 13:42:55 2021 -0700
committer Robert Carr <racarr@google.com> Tue Jun 22 00:47:33 2021 -0700
tree f56919f73859af5897b6854497d04e238af7034f
parent 0aa188a360048c8e4c35a878d9416207c67bab26

Avoid traversal in tunnel mode reporter

We can just track whether we have a sideband stream or not using
a counter.

Test: Existing tests pass. simpleperf
Bug: 186200583
Change-Id: I40b0217c186517fc67fe55d8aecf26198561bc39

services/surfaceflinger/Layer.cpp

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 6c9905e..4af9506 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -70,6 +70,7 @@
 #include "MonitoredProducer.h"
 #include "SurfaceFlinger.h"
 #include "TimeStats/TimeStats.h"
+#include "TunnelModeEnabledReporter.h"
 #include "input/InputWindow.h"
 
 #define DEBUG_RESIZE 0
@@ -172,6 +173,10 @@
 
     mFrameTracker.logAndResetStats(mName);
     mFlinger->onLayerDestroyed(this);
+
+    if (mDrawingState.sidebandStream != nullptr) {
+        mFlinger->mTunnelModeEnabledReporter->decrementTunnelModeCount();
+    }
 }
 
 LayerCreationArgs::LayerCreationArgs(SurfaceFlinger* flinger, sp<Client> client, std::string name,