1727172 - Screen-sharing preview broke (appears blank)

Status: RESOLVED FIXED

(Core :: Web Painting, defect)

Description

[Jan-Ivar Bruaroey [:jib] (needinfo? me)]

Attachment: screenshot.png

STR:

1. Open https://jan-ivar.github.io/dummy/gdm.html
2. Click the User gesture button
3. Select Entire desktop in the dropdown

Expected result:

• A live preview of the desktop

Actual result:

• Preview appears blank (see screenshot)

May apply to all platforms, I've only tested macOS so far.

Comment 1

[Jan-Ivar Bruaroey [:jib] (needinfo? me)]

I've tested Windows which appears unaffected.

Comment 2

[Matt Woodrow (:mattwoodrow)]

Attachment: Bug 1727172 - Use doubles instead of ints when computing video scale for fallback painting. r?jrmuizel

Comment 3

[Cristian Brindusan [:cbrindusan]]

Backed out 1 changesets (Bug 1727172) for causing reftest failures in 1727172-1-ref.html.
https://hg.mozilla.org/integration/autoland/rev/8a5f101b3fcd404999ae0d7e35586ec21b79a37f

Push with failures:
https://treeherder.mozilla.org/jobs?repo=autoland&revision=e8046a319fbf5dddbcf838fa3dbfc3288b55c0c8&selectedTaskRun=PwhDaTkcQj6T0BOZGkA_0A.0

Failure log:
https://treeherder.mozilla.org/logviewer?job_id=349353668&repo=autoland&lineNumber=12041

Comment 4

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1724839

Comment 5

[Cristina Cozmuta (:CrissCozmuta)]

Backed out for causing failures in layout/reftests/bugs/1727172
Backout link : https://hg.mozilla.org/integration/autoland/rev/dba5682ecd70f8fbd5a38e5d9abbe25b9f568006
Push with failures : https://treeherder.mozilla.org/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&revision=b9116770d9b11b29afa8409bd96e5d87235cb80e&selectedTaskRun=DyBEuTHvR6iqm6Ke_E3i_w.0&searchStr=android-em-7-0-x86_64-lite-qr%2Copt%2CReftests%2Ctest-android-em-7.0-x86_64-lite-qr%2Fopt-geckoview-reftest-e10s%2CR1
Failure log: https://treeherder.mozilla.org/logviewer?job_id=349477363&repo=autoland&lineNumber=20417

Comment 6

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/4e0dafb873bd