Bug 261708 - Mix-blend-mode incorrectly blends with view base color
Summary: Mix-blend-mode incorrectly blends with view base color
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Layout and Rendering (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Matt Woodrow
URL:
Keywords: InRadar
Depends on:
Blocks: 176830
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Reported: 2023-09-18 16:29 PDT by Matt Woodrow
Modified: 2023-09-19 20:22 PDT (History)
4 users (show)

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Description Matt Woodrow 2023-09-18 16:29:01 PDT 
Mix-blend-mode on an element that blends into the 'Root Element Group' should have only the root element's background color, or transparent if none. We're including the opaque white base color of the RenderView too, which is incorrect.
Comment 1 Radar WebKit Bug Importer 2023-09-18 16:30:04 PDT 
<rdar://problem/115688282>
Comment 2 Matt Woodrow 2023-09-18 16:33:34 PDT 
Pull request: https://github.com/WebKit/WebKit/pull/17884
Comment 3 Matt Woodrow 2023-09-19 16:41:58 PDT 
Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/42069
Comment 4 EWS 2023-09-19 20:22:25 PDT 
Committed 268173@main (4f26343f6d0b): <https://commits.webkit.org/268173@main>

Reviewed commits have been landed. Closing PR #17884 and removing active labels.