From 8226051f627aa976700885cda28c26c5a5b8bc7b Mon Sep 17 00:00:00 2001 From: Fabien Sanglard Date: Fri, 3 Mar 2017 14:58:52 -0800 Subject: [SurfaceFlinger] Comment SurfaceFlinger HWC2 Document decision to clear SurfaceFlinger HWC2 state upon sleep and awake. Test: This is just a comment. Change-Id: I0034d8d79e6e0d5b6287579d23f941e291c89bc0 --- services/surfaceflinger/SurfaceFlinger.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp index daeac2755b..2f354bb47a 100644 --- a/services/surfaceflinger/SurfaceFlinger.cpp +++ b/services/surfaceflinger/SurfaceFlinger.cpp @@ -1595,6 +1595,9 @@ void SurfaceFlinger::rebuildLayerStacks() { nullptr); } } else { + // WM changes displayDevice->layerStack upon sleep/awake. + // Here we make sure we delete the HWC layers even if + // WM changed their layer stack. layer->setHwcLayer(displayDevice->getHwcDisplayId(), nullptr); } -- cgit v1.2.3-59-g8ed1b