Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 31a9b521263743e9bd99ead35f352856899ff6c6
https://github.com/WebKit/WebKit/commit/31a9b521263743e9bd99ead35f352856899ff6c6
Author: Antoine Quint <[email protected]>
Date: 2026-04-17 (Fri, 17 Apr 2026)
Changed paths:
A
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/animation/transform-additive-animation-expected.html
A
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/animation/transform-additive-animation-ref.html
A
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/animation/transform-additive-animation.html
M Source/WebCore/platform/graphics/transforms/TransformOperations.cpp
Log Message:
-----------
[threaded-animations] additive transform animations use matrix interpolation
which does not account for additivity
https://bugs.webkit.org/show_bug.cgi?id=312606
rdar://175039068
Reviewed by Simon Fraser.
Ensure that we have a correct code path for additivity blending for `transform`
in the remote layer tree.
Tests:
imported/w3c/web-platform-tests/css/css-transforms/animation/transform-additive-animation.html
*
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/animation/transform-additive-animation-expected.html:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/animation/transform-additive-animation-ref.html:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-transforms/animation/transform-additive-animation.html:
Added.
* Source/WebCore/platform/graphics/transforms/TransformOperations.cpp:
(WebCore::blend):
Canonical link: https://commits.webkit.org/311516@main
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