248014 2022-11-16 19:32:30 -0800 [WinCairo][WK1] Can't paint a font after painting very large font 2022-12-22 23:32:16 -0800 1 1 1 Unclassified WebKit Platform WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=246844 P2 Normal --- 1 fujii webkit-unassigned oldest_to_newest 1913047 0 fujii 2022-11-16 19:32:30 -0800 [WinCairo][WK1] Can't paint a font after painting very large font For example, fast/text/letter-spacing-produces-nan-width.html contains a very large font. After load the test case, fast/text/simple-lines-float.html fails. > python3.exe ./Tools/Scripts/run-webkit-tests --wincairo --debug -1 --no-retry-failures fast/text/letter-spacing-produces-nan-width.html fast/text/simple-lines-float.html --iterations=2 -v > [1/4] fast/text/simple-lines-float.html passed > [2/4] fast/text/letter-spacing-produces-nan-width.html passed > [3/4] fast/text/simple-lines-float.html failed unexpectedly (reference mismatch maxDifference=255; totalPixels=1356) > [4/4] fast/text/letter-spacing-produces-nan-width.html passed The first test run of simple-lines-float.html passed, but failed in the second because it was after letter-spacing-produces-nan-width.html. See also: Bug 246844 – REGRESSION(cairo 1.17.6)[WinCairo] rendering glitches of twitter.com and yahoo.co.jp 1913095 1 fujii 2022-11-16 22:34:21 -0800 PR: https://github.com/WebKitForWindows/WebKitRequirements/pull/101 1913255 2 fujii 2022-11-17 12:06:38 -0800 WinCairo WK1 is reporting the following flaky test failures. They seems to be caused by this bug. Unexpected flakiness: image-only failures (5) fast/css3-text/css3-text-decoration/text-decoration-style-double-space-scales.html [ ImageOnlyFailure Pass ] fast/text/mobileasset-font.html [ ImageOnlyFailure Pass ] fast/text/multi-code-unit-simple-path.html [ ImageOnlyFailure Pass ] fast/text/simple-lines-float.html [ ImageOnlyFailure Pass ] fast/text/text-underline-position-subscript.html [ ImageOnlyFailure Pass ] 1913765 3 fujii 2022-11-20 13:02:48 -0800 cairo issue ticket: [windows] Don't leave cairo_font_face_t in an error state even after very large cairo_scaled_font_t creation (#607) · Issues · cairo / cairo · GitLab https://gitlab.freedesktop.org/cairo/cairo/-/issues/607 1921620 4 fujii 2022-12-22 23:32:16 -0800 Fixed by https://github.com/WebKitForWindows/WebKitRequirements/releases/tag/v2022.12.22