Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0c562a47ae674a636e4a682a61f976305c5b292f
https://github.com/WebKit/WebKit/commit/0c562a47ae674a636e4a682a61f976305c5b292f
Author: Simon Fraser <[email protected]>
Date: 2024-09-21 (Sat, 21 Sep 2024)
Changed paths:
M Source/WebCore/platform/graphics/BitmapImage.cpp
M Source/WebCore/platform/graphics/GradientImage.cpp
M Source/WebCore/platform/graphics/GradientImage.h
M Source/WebCore/svg/graphics/SVGImage.cpp
Log Message:
-----------
GradientImage::drawPattern() can trigger read back from the GPU process
https://bugs.webkit.org/show_bug.cgi?id=280083
rdar://111943095
Reviewed by Said Abou-Hallawa.
Creating a NativeImage from an ImageBuffer in the WebContent process, with GPU
rendering enabled,
requires readback from the GPU process, which is blocking.
We can fix this easily in `GradientImage::drawPattern()` by simply caching the
ImageBuffer we've
already created. We make the same change in
`SVGImage::drawPatternForContainer()` and
`BitmapImage::drawLuminanceMaskPattern()`
* Source/WebCore/platform/graphics/BitmapImage.cpp:
(WebCore::BitmapImage::drawLuminanceMaskPattern):
* Source/WebCore/platform/graphics/GradientImage.cpp:
(WebCore::GradientImage::drawPattern):
* Source/WebCore/platform/graphics/GradientImage.h:
* Source/WebCore/svg/graphics/SVGImage.cpp:
(WebCore::SVGImage::drawPatternForContainer):
Canonical link: https://commits.webkit.org/284047@main
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