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SurfaceFlinger: Listen to HWC invalidate 

"Do less work when using PTS" broke the invalidate path up from HWC
to SurfaceFlinger. When HWC would signal an invalidate, SurfaceFinger
would wake up, see no new buffers, and go back to sleep. This is fine,
except when the invalidate is a result of an HDMI hotplug, in which
case the screen remains blank. This change makes that functionality
work again.

Bug: 18564815
Bug: 18558468
Change-Id: I2e2171d86839945f4e4e6555d66f7e2895bd096a
This commit is contained in:
Dan Stoza 2014-12-02 16:58:17 -08:00
parent b947f29a6a
commit 5878444fb8
1 changed files with 4 additions and 2 deletions
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6
services/surfaceflinger/SurfaceFlinger.cpp
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@ -836,9 +836,11 @@ void SurfaceFlinger::onMessageReceived(int32_t what) {
case MessageQueue::INVALIDATE: {
bool refreshNeeded = handleMessageTransaction();
refreshNeeded |= handleMessageInvalidate();
refreshNeeded |= mRepaintEverything;
if (refreshNeeded) {
// Signal a refresh if a transaction modified the window state or if
// a new buffer was latched
// Signal a refresh if a transaction modified the window state,
// a new buffer was latched, or if HWC has requested a full
// repaint
signalRefresh();
}
break;