Bug 227647

Summary: [macOS WK1] Some ImageDiffs are appearing as grey or white screens instead of expected outputs
Product: WebKit Reporter: Truitt Savell <tsavell>
Component: Tools / TestsAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: ap, ayumi_kojima, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=231685

Description Truitt Savell 2021-07-02 15:24:06 PDT
We have noticed that some tests are appearing with ImageDiff results showing a blank grey or white screen instead of expected results. 

here is an example of a bug that has this issue with its results:
https://bugs.webkit.org/show_bug.cgi?id=222133

results example: https://build.webkit.org/results/Apple-BigSur-Release-AppleSilicon-WK1-Tests/r279486%20(3116)/svg/as-image/img-with-svg-resource-in-dom-and-drawImage-diffs.html
Comment 1 Radar WebKit Bug Importer 2021-07-02 15:24:31 PDT
<rdar://problem/80105551>
Comment 2 ayumi_kojima 2021-08-04 12:05:05 PDT
webanimations/accelerated-web-animation-with-single-interval-and-easing-y-axis-above-1.html
webanimations/accelerated-translate-animation-with-transform.html
webanimations/accelerated-transform-animation-to-scale-zero-with-implicit-from-keyframe.html
webanimations/accelerated-css-animation-with-easing.html
webanimations/accelerated-animation-with-delay-and-seek.html
webanimations/accelerated-animation-canceled-before-commit.html
webanimations/accelerated-animation-tiled-while-running.html

Are having the same issues only on Big Sur wk1. (For webanimations/accelerated-web-animation-with-single-interval-and-easing-y-axis-above-1.html, it shows a real image failure on Catalina.)

Result page: https://build.webkit.org/results/Apple-BigSur-Release-WK1-Tests/r280618%20(4389)/results.html

https://build.webkit.org/#/builders/48/builds/4389

For webanimations/accelerated-animation-tiled-while-running.html:

Result page: https://build.webkit.org/results/Apple-BigSur-Release-WK1-Tests/r280619%20(4390)/results.html

https://build.webkit.org/#/builders/48/builds/4390
Comment 3 ayumi_kojima 2021-08-04 14:07:25 PDT
svg/as-image/img-with-svg-resource-in-dom-and-drawImage.html
svg/as-image/img-with-svg-resource-in-dom-no-size-and-drawImage.html
svg/as-image/img-with-svg-resource-not-in-dom-and-drawImage.html
svg/as-image/img-with-svg-resource-not-in-dom-no-size-and-drawImage.html
svg/as-image/svg-cached-draw-canvas.html

Are also having the same issues.

Result page: https://build.webkit.org/results/Apple-BigSur-Release-WK1-Tests/r280618%20(4389)/results.html

https://build.webkit.org/#/builders/48/builds/4389
Comment 4 ayumi_kojima 2021-09-24 09:17:07 PDT
compositing/shared-backing/overlap-after-end-sharing.html
imported/w3c/web-platform-tests/css/css-transforms/3dtransform-and-position-sticky-002.html
imported/w3c/web-platform-tests/css/css-transforms/css-transform-3d-rotate3d-X-positive.html
imported/w3c/web-platform-tests/css/css-transforms/css-transform-3d-rotate3d-Y-positive.html
imported/w3c/web-platform-tests/css/css-transforms/css-transform-3d-rotateX-positive.html
imported/w3c/web-platform-tests/css/css-transforms/subpixel-perspective-translate-z-0.html
imported/w3c/web-platform-tests/css/css-transforms/subpixel-transform-changes-003.html
imported/w3c/web-platform-tests/css/css-transforms/subpixel-transform-changes-004.html
imported/w3c/web-platform-tests/css/css-transforms/transform-table-011.html
imported/w3c/web-platform-tests/css/css-transforms/transform3d-backface-visibility-003.html
imported/w3c/web-platform-tests/css/css-transforms/transform3d-matrix3d-002.html
imported/w3c/web-platform-tests/css/css-transforms/transform3d-perspective-008.html
imported/w3c/web-platform-tests/css/css-transforms/transform3d-perspective-origin-001.html

https://build.webkit.org/#/builders/48/builds/5560