Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b29f8d8b4797a6b8734e0052b57e2d348d881b03
https://github.com/WebKit/WebKit/commit/b29f8d8b4797a6b8734e0052b57e2d348d881b03
Author: Simon Fraser <simon.fra...@apple.com>
Date: 2025-07-28 (Mon, 28 Jul 2025)
Changed paths:
M Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
M Source/WTF/wtf/PlatformHave.h
M Source/WebCore/PAL/pal/spi/cocoa/QuartzCoreSPI.h
M Source/WebKit/Shared/Cocoa/WebPreferencesDefaultValuesCocoa.mm
M Source/WebKit/Shared/WebPreferencesDefaultValues.cpp
M Source/WebKit/Shared/WebPreferencesDefaultValues.h
Log Message:
-----------
Add a setting to control losslessly compressed IOSurface usage
https://bugs.webkit.org/show_bug.cgi?id=296582
rdar://156935443
Reviewed by Tim Horton.
Add the IOSurfaceLosslessCompressionEnabled setting. On Cocoa platforms,
this is only enabled when `HAVE(COREVIDEO_COMPRESSED_PIXEL_FORMAT_TYPES)`
and `HAVE(LOSSLESS_COMPRESSED_IOSURFACE_CG_SUPPORT)` are true
(i.e. iOS device, macOS), and when CASupportsFeature() says that
we can use it. `CA_FEATURE_CG_COMPRESSED_IOSURFACES` will be read from
an SPI header in future.
* Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml:
* Source/WTF/wtf/PlatformHave.h:
* Source/WebCore/PAL/pal/spi/cocoa/QuartzCoreSPI.h:
* Source/WebKit/Shared/Cocoa/WebPreferencesDefaultValuesCocoa.mm:
(WebKit::defaultIOSurfaceLosslessCompressionEnabled):
* Source/WebKit/Shared/WebPreferencesDefaultValues.cpp:
(WebKit::defaultIOSurfaceLosslessCompressionEnabled):
* Source/WebKit/Shared/WebPreferencesDefaultValues.h:
Canonical link: https://commits.webkit.org/297967@main
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