1534390 - WebVR does not properly re-initialize after the VR service has stopped

Status: RESOLVED FIXED

(Core :: WebVR, defect)

Description

[:kip (Kearwood Gilbert)]

1. Go to https://webvr.info/samples/XX-vr-controllers.html and Enter VR
2. Open an another tab and close the WebVR tab
3. Check the VR process has been shutdown from ProcessExplorer.
4. Go to https://webvr.info/samples/XX-vr-controllers.html again, and you will see the screen size just be 1/4.

Comment 1

[:kip (Kearwood Gilbert)]

This was regressed by Bug 1530663.

Comment 2

[:kip (Kearwood Gilbert)]

Attachment: Bug 1534390 - WebVR does not properly re-initialize after the VR service has stopped

WebVR will not initialize correctly (VR process will not be started and the headset data is frozen) for subsequent sessions in a new tab once the VR process has been shut down due to being idle.

Comment 3

[:kip (Kearwood Gilbert)]

Try push:

https://treeherder.mozilla.org/#/jobs?repo=try&revision=7516d39a3227af42d87ecea19660ac154c32dd6f

Comment 4

[:kip (Kearwood Gilbert)]

First try run had some issues that did not appear to be related to this patch.

Updated try push, with the same patch:

https://treeherder.mozilla.org/#/jobs?repo=try&revision=ec3ec2387977e0029690ad5294d95f412f6adaa6

Comment 5

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/0133ea3cd321

Comment 6

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

https://hg.mozilla.org/integration/autoland/rev/0133ea3cd32177ea1da42beff44793eeb2b04010