Bug 235084

Summary:

[macOS arm64] imported/w3c/web-platform-tests/css/css-transforms/perspective-transforms-equivalence.html is consistently failing

Product:

WebKit

Reporter:

Ryan Haddad <ryanhaddad>

Component:

New Bugs

Assignee:

Martin Robinson <mrobinson>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

clopez, ews-watchlist, mrobinson, simon.fraser, webkit-bot-watchers-bugzilla, webkit-bug-importer, youennf

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

See Also:

https://bugs.webkit.org/show_bug.cgi?id=149828
https://github.com/web-platform-tests/wpt/pull/32775

Attachments:

Description	Flags
Patch	none

Description Ryan Haddad 2022-01-11 15:06:29 PST

imported/w3c/web-platform-tests/css/css-transforms/perspective-transforms-equivalence.html is consistently failing on macOS arm64 bots with a very small pixel difference on the left edge of the displayed shape.

https://build.webkit.org/results/Apple-Monterey-Release-AppleSilicon-WK2-Tests/r287891%20(999)/imported/w3c/web-platform-tests/css/css-transforms/perspective-transforms-equivalence-diffs.html

https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-transforms%2Fperspective-transforms-equivalence.html&architecture=arm64

Comment 1 Radar WebKit Bug Importer 2022-01-11 15:06:47 PST

<rdar://problem/87421733>

Comment 2 Ryan Haddad 2022-01-11 15:07:17 PST

Based on when it started, this may be related to the custom pixel tolerance change in https://trac.webkit.org/changeset/287323/webkit

Comment 3 Simon Fraser (smfr) 2022-01-11 15:08:38 PST

The test has <meta name="fuzzy" content="maxDifference=0-27;totalPixels=0-235"> so yeah

Comment 4 Simon Fraser (smfr) 2022-01-11 15:09:01 PST

We get maxDifference=29; totalPixels=147

Comment 5 Ryan Haddad 2022-01-25 13:49:39 PST

Marked test as failing in r288581.

Comment 6 Martin Robinson 2022-02-09 08:32:35 PST

Created attachment 451384 [details]
Patch

Comment 7 EWS Watchlist 2022-02-09 08:34:15 PST

This patch modifies the imported WPT tests. Please ensure that any changes on the tests (not coming from a WPT import) are exported to WPT. Please see https://trac.webkit.org/wiki/WPTExportProcess

Comment 8 Simon Fraser (smfr) 2022-02-09 09:30:14 PST

Let the never-ending pixel tolerance tweaks continue!

Comment 9 Martin Robinson 2022-02-09 10:30:51 PST

*** Bug 234819 has been marked as a duplicate of this bug. ***

Comment 10 EWS 2022-02-10 01:08:18 PST

Committed r289523 (247054@main): <https://commits.webkit.org/247054@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 451384 [details].