237569 2022-03-07 17:02:36 -0800 REGRESSION(r289770):[ iPad ] imported/blink/svg/filters/filter-huge-clamping.svg is a constant image failure - Accelerated Drawing 2022-06-30 22:34:02 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=231828 https://bugs.webkit.org/show_bug.cgi?id=237689 InRadar P2 Normal --- 1 Morningstar webkit-unassigned jenner jonlee rackler sabouhallawa simon.fraser webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1849039 0 Morningstar 2022-03-07 17:02:36 -0800 imported/blink/svg/filters/filter-huge-clamping.svg Is a constant image failure on iPad queues. r289786 appears to be where failure started but further investigation is needed. DIFF-URL: https://build.webkit.org/results/Apple-iPadOS-15-Simulator-Release-WK2-Tests/r290900%20(1224)/imported/blink/svg/filters/filter-huge-clamping-diffs.html Images will be attached. 1849041 1 454054 Morningstar 2022-03-07 17:05:31 -0800 Created attachment 454054 Diffs for imported/blink/svg/filters/filter-huge-clamping.svg 1849042 2 Morningstar 2022-03-07 17:05:53 -0800 HISTORY: https://results.webkit.org/?platform=ios&suite=layout-tests&test=imported%2Fblink%2Fsvg%2Ffilters%2Ffilter-huge-clamping.svg 1849043 3 webkit-bug-importer 2022-03-07 17:07:00 -0800 <rdar://problem/89937959> 1851014 4 jenner 2022-03-14 14:46:43 -0700 I was able to reproduce the failure at iOS 15 production ToT using the following test: run-webkit-tests --ipad-simulator imported/blink/svg/filters/filter-huge-clamping.svg 1851038 5 454630 simon.fraser 2022-03-14 15:30:16 -0700 Created attachment 454630 Reduced testcase We seem to go bad at a threshold of 4096 (4K). 1851050 6 simon.fraser 2022-03-14 15:49:01 -0700 This does not reproduce in MobileMiniBrowser (with accelerated drawing on). 1851051 7 simon.fraser 2022-03-14 15:49:28 -0700 Disabling accelerated drawing in WebKitTestRunner makes this bug go away. 1851054 8 simon.fraser 2022-03-14 15:58:18 -0700 Ah, in WTR the destination context in SourceGraphicSoftwareApplier::apply() is tagged as linearSRGB, but not in MMB. 1879645 9 rackler 2022-06-30 22:19:06 -0700 I have marked this test as a consistent image failure while this issue is investigated. 1879646 10 ews-feeder 2022-06-30 22:34:02 -0700 Test gardening commit 252027@main (bb3989fba379): <https://commits.webkit.org/252027@main> Reviewed commits have been landed. 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454630 2022-03-14 15:30:16 -0700 2022-03-14 15:30:16 -0700 Reduced testcase filter-huge-clamping.svg image/svg+xml 408 simon.fraser PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRw Oi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB3aWR0aD0iODAwIiBoZWlnaHQ9IjYwMCI+CiAgPGRl ZnM+CiAgICA8ZmlsdGVyIGlkPSJmaWx0ZXIiPgogICAgICA8ZmVPZmZzZXQvPgogICAgPC9maWx0 ZXI+CiAgPC9kZWZzPgogIAogIDxzY3JpcHQ+CiAgICAgIGlmICh3aW5kb3cudGVzdFJ1bm5lcikK ICAgICAgICAgIHRlc3RSdW5uZXIud2FpdFVudGlsRG9uZSgpOwogIDwvc2NyaXB0PgoKICAgIDxy ZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJyZWQiLz4KICAgIDxyZWN0IGZpbHRl cj0idXJsKCNmaWx0ZXIpIiBmaWxsPSJncmVlbiIgd2lkdGg9IjQwOTciIGhlaWdodD0iMTAwIi8+ Cjwvc3ZnPgoK