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Commit 933ed5ce authored by Alex Sakhartchouk's avatar Alex Sakhartchouk
Browse files

Re-enable default display when switching to VR mode. 

Previously, in an attempt to minimize the number of changes that got
reset during VR mode transitions, the primary display was not turned back
on.

Bug: 62215749
Test: Switch device into VR mode, observe primary display invalidations.

Change-Id: Idd883e1522f519a0db06fdd88b071007487b6e70
parent 117698b8

services/surfaceflinger/SurfaceFlinger.cpp

+15 −5
Original line number Diff line number Diff line
@@ -1315,11 +1315,21 @@ void SurfaceFlinger::updateVrFlinger() { 
    // parts of this class rely on the primary display always being available.

    createDefaultDisplayDevice();



    // Re-enable default display.

    sp<LambdaMessage> requestMessage = new LambdaMessage([&]() {

        sp<DisplayDevice> hw(getDisplayDevice(mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY]));

        setPowerModeInternal(hw, HWC_POWER_MODE_NORMAL);



        // Reset the timing values to account for the period of the swapped in HWC

        const auto& activeConfig = mHwc->getActiveConfig(HWC_DISPLAY_PRIMARY);

        const nsecs_t period = activeConfig->getVsyncPeriod();

        mAnimFrameTracker.setDisplayRefreshPeriod(period);



        // Use phase of 0 since phase is not known.

        // Use latency of 0, which will snap to the ideal latency.

        setCompositorTimingSnapped(0, period, 0);

    });

    postMessageAsync(requestMessage);



    android_atomic_or(1, &mRepaintEverything);

    setTransactionFlags(eDisplayTransactionNeeded);