Bug 238308

Summary:	REGRESSION (248797@main): [macOS] imported/w3c/web-platform-tests/css/css-backgrounds/background-gradient-subpixel-fills-area.html is failing with fuzzy match
Product:	WebKit	Reporter:	Ryan Haddad <ryanhaddad>
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED DUPLICATE
Severity:	Normal	CC:	jonlee, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Safari 13
Hardware:	Unspecified
OS:	Unspecified

Description Ryan Haddad 2022-03-23 21:16:43 PDT

imported/w3c/web-platform-tests/css/css-backgrounds/background-gradient-subpixel-fills-area.html is failing on macOS with the fuzzy match metrics added with https://commits.webkit.org/248797@main


The diff suggests that the threshold should be: <meta name="fuzzy" content="maxDifference=1; totalPixels=6738" />
The one defined in https://commits.webkit.org/248797@main is <meta name="fuzzy" content="maxDifference=0-3; totalPixels=0-1518" />

https://build.webkit.org/results/Apple-BigSur-Release-WK2-Tests/r291767%20(8478)/imported/w3c/web-platform-tests/css/css-backgrounds/background-gradient-subpixel-fills-area-diffs.html

https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-backgrounds%2Fbackground-gradient-subpixel-fills-area.html

Comment 1 Radar WebKit Bug Importer 2022-03-23 21:16:55 PDT

<rdar://problem/90744819>

Comment 2 Alexey Proskuryakov 2022-03-24 10:57:41 PDT


*** This bug has been marked as a duplicate of bug 238307 ***