commit 9691b9c07fe135b3bd1ea5375daf9aa57ec3b797
author baocheng sun <baocheng.sun@amlogic.com> Tue Aug 03 19:27:06 2021 +0800
committer Alec Mouri <alecmouri@google.com> Tue Aug 10 16:51:46 2021 -0700
tree 1662159151108512186068c25eff4fd35c70b79c
parent fb2f9cf8ced3f8beb2009f7ac2fe1f5bfdb9819e

sf: send sideband frame to hwc when recieve a buffer

Bug: 186383891
Test: tunnel and nontunnel playback switch in netflix

Change-Id: Ic6ee886503639e8c6652589217e0aec893ffd681

services/surfaceflinger/BufferLayer.cpp

diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index b600fad..d805294 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -287,7 +287,7 @@
 
     // Sideband layers
     auto* compositionState = editCompositionState();
-    if (compositionState->sidebandStream.get()) {
+    if (compositionState->sidebandStream.get() && !compositionState->sidebandStreamHasFrame) {
         compositionState->compositionType = Hwc2::IComposerClient::Composition::SIDEBAND;
         return;
     } else {
@@ -303,6 +303,7 @@
             ? 0
             : mBufferInfo.mBufferSlot;
     compositionState->acquireFence = mBufferInfo.mFence;
+    compositionState->sidebandStreamHasFrame = false;
 }
 
 bool BufferLayer::onPreComposition(nsecs_t refreshStartTime) {