1512537 - Nested transforms are not flattened with WebRender.

Status: RESOLVED FIXED

(Core :: Graphics: WebRender, defect, P2)

Description

[Emilio Cobos Álvarez [:emilio]]

Attachment: Testcase

We found this with the help of Matt this morning.

Comment 1

[Emilio Cobos Álvarez [:emilio]]

Jeff, mind prioritizing it? I suspect it's P2 but let me know if not.

Comment 2

[Kartikaya Gupta (email:[e-mail])]

Actually we might have a test case that covers this, we have bug 1496539 on file for fixing transform-style-flat-1a.html.

Comment 3

[Emilio Cobos Álvarez [:emilio]]

That one looks different, as WR matches Blink here at least.

Comment 4

[Emilio Cobos Álvarez [:emilio]]

Attachment: Bug 1512537 - Update test expectations.

Comment 5

[Emilio Cobos Álvarez [:emilio]]

Attachment: Bug 1512537 - Update euclid.

Comment 6

[Emilio Cobos Álvarez [:emilio]]

Attachment: Bug 1512537 - Let the reference frame know about the transform style.

This is the only Gecko side change needed for https://github.com/servo/webrender/pull/3401.

Comment 7

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/4a0097b6b670
Let the reference frame know about the transform style. r=kats
https://hg.mozilla.org/integration/autoland/rev/f9f6c219680d
Update euclid. r=kats
https://hg.mozilla.org/integration/autoland/rev/cca0fa760d54
Update test expectations. r=kats

Comment 8

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

https://hg.mozilla.org/mozilla-central/rev/4a0097b6b670
https://hg.mozilla.org/mozilla-central/rev/f9f6c219680d
https://hg.mozilla.org/mozilla-central/rev/cca0fa760d54

Comment 10

[Cristian Comorasu, QA [:ccomorasu], Releae Desktop QA - Please contact [e-mail]]

Hello everyone!
:emilio informed me via irc that this issue has regressed. The track of this regression is kept in bug 1533456.
Thank you!