Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 1e13b3de61a09946b762d6f583869691a33c0705
https://github.com/WebKit/WebKit/commit/1e13b3de61a09946b762d6f583869691a33c0705
Author: Matt Woodrow <[email protected]>
Date: 2025-06-30 (Mon, 30 Jun 2025)
Changed paths:
A
LayoutTests/imported/w3c/web-platform-tests/css/filter-effects/filter-with-mix-blend-mode-expected.html
A
LayoutTests/imported/w3c/web-platform-tests/css/filter-effects/filter-with-mix-blend-mode.html
M Source/WebCore/rendering/RenderLayer.cpp
Log Message:
-----------
Content with a grayscale filter and mix-blend-mode don't get mix-blend-mode
applied.
https://bugs.webkit.org/show_bug.cgi?id=293903
<rdar://152460888>
Reviewed by Simon Fraser.
Some filter types (including grayscale) are implemented by pushing a
transparency layer, rather than diverting to a temporary context.
In those cases, the code attempting to setup a transparency layer for opacity
(and mix-blend-mode) ends up doing so too late, and applies the mix-blend-mode
inside the filter (where it has nothing to blend with).
Move this up to before the filter is setup, so that the ordering is always
correct.
*
LayoutTests/imported/w3c/web-platform-tests/css/filter-effects/filter-with-mix-blend-mode-expected.html:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/filter-effects/filter-with-mix-blend-mode.html:
Added.
* Source/WebCore/rendering/RenderLayer.cpp:
(WebCore::RenderLayer::paintLayerContents):
Canonical link: https://commits.webkit.org/296827@main
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