[Webkit-unassigned] [Bug 238308] New: REGRESSION (248797 at main): [macOS]imported/w3c/web-platform-tests/css/css-backgrounds/background-gradient-subpixel-fills-area.html is failing with fuzzy match

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=238308

            Bug ID: 238308
           Summary: REGRESSION (248797 at main):
                    [macOS]imported/w3c/web-platform-tests/css/css-backgro
                    unds/background-gradient-subpixel-fills-area.html is
                    failing with fuzzy match
           Product: WebKit
           Version: Safari 13
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com
                CC: jonlee at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

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

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