Branch: refs/heads/webkitglib/2.54
Home: https://github.com/WebKit/WebKit
Commit: 8e6e423bd1723b22cf1afb692c42a9f5abb626e8
https://github.com/WebKit/WebKit/commit/8e6e423bd1723b22cf1afb692c42a9f5abb626e8
Author: Philippe Normand <[email protected]>
Date: 2026-10-02 (Fri, 02 Oct 2026)
Changed paths:
M Source/WebCore/platform/glib/UserAgentQuirks.cpp
M Tools/TestWebKitAPI/Tests/WebCore/UserAgentQuirks.cpp
Log Message:
-----------
Cherry-pick 322389@main (05af7052314c).
https://bugs.webkit.org/show_bug.cgi?id=325936
[WPE][GTK] Add User-Agent quirk for Amazon Luna
https://bugs.webkit.org/show_bug.cgi?id=325936
Reviewed by Adrian Perez de Castro.
Use Chrome UA for luna.amazon.* otherwise the user gets an error popup when
starting a game.
Test: Tools/TestWebKitAPI/Tests/WebCore/glib/UserAgentQuirks.cpp
* Source/WebCore/platform/glib/UserAgentQuirks.cpp:
(WebCore::urlRequiresChromeBrowser):
* Tools/TestWebKitAPI/Tests/WebCore/glib/UserAgentQuirks.cpp:
(TestWebKitAPI::TEST(UserAgentTest, Quirks)):
Canonical link: https://commits.webkit.org/322389@main
Canonical link: https://commits.webkit.org/317695.380@webkitglib/2.54
Commit: 6cebb146c89ad399aa0cff9d81a53923aa9ec854
https://github.com/WebKit/WebKit/commit/6cebb146c89ad399aa0cff9d81a53923aa9ec854
Author: Sergio Villar Senin <[email protected]>
Date: 2026-10-02 (Fri, 02 Oct 2026)
Changed paths:
M Source/WebCore/Modules/webxr/WebXROpaqueFramebuffer.cpp
M
Source/WebCore/platform/graphics/android/GraphicsContextGLTextureMapperAndroid.cpp
M Source/WebCore/platform/graphics/angle/GraphicsContextGLANGLE.cpp
M Source/WebCore/platform/graphics/angle/GraphicsContextGLANGLE.h
M Source/WebCore/platform/graphics/cocoa/GraphicsContextGLCocoa.h
M Source/WebCore/platform/graphics/cocoa/GraphicsContextGLCocoa.mm
M Source/WebCore/platform/graphics/gbm/GraphicsContextGLTextureMapperGBM.cpp
Log Message:
-----------
Cherry-pick 322147@main (e19beafbaf11).
https://bugs.webkit.org/show_bug.cgi?id=324239
[WebXR] Discard MSAA attachments after rendering
https://bugs.webkit.org/show_bug.cgi?id=324239
Reviewed by Kimmo Kinnunen.
In order to implement MSAA in WebXR, WebKit uses a multisampled
renderbuffer. Render buffers are write-only objects, nobody is going to
read from them after the contents are resolved. On tile-based rendering
GPUs, after a render pass is completed, the contents of the renderbuffer
are saved into RAM because the OpenGL driver does not know whether it
can simply discard them. For a 3200*1600 framebuffer with 4x MSAA that's
82Mb written per frame (actually 82 + 82 if depth/stencil are used too).
That's a very expensive operation that adds nothing and should be
avoided.
The fix is to do the same as VisionOS, discard the render buffer
attachments before finishing the render pass. VisionOS does not even
need the blit as that port uses a special ANGLE extension for Metal
backend that gives an FBO a resolve destination alongside its
multisampled attachment.
No new tests as this operates at OpenGLES driver level.
* Source/WebCore/Modules/webxr/WebXROpaqueFramebuffer.cpp:
(WebCore::WebXROpaqueFramebuffer::resolveMSAAFramebuffer):
* Source/WebCore/platform/graphics/angle/GraphicsContextGLANGLE.cpp:
(WebCore::GraphicsContextGLANGLE::framebufferDiscard):
* Source/WebCore/platform/graphics/angle/GraphicsContextGLANGLE.h:
*
Source/WebCore/platform/graphics/android/GraphicsContextGLTextureMapperAndroid.cpp:
(WebCore::GraphicsContextGLTextureMapperAndroid::enableRequiredWebXRExtensionsImpl):
* Source/WebCore/platform/graphics/cocoa/GraphicsContextGLCocoa.h:
* Source/WebCore/platform/graphics/cocoa/GraphicsContextGLCocoa.mm:
(WebCore::GraphicsContextGLCocoa::framebufferDiscard): Deleted.
*
Source/WebCore/platform/graphics/gbm/GraphicsContextGLTextureMapperGBM.cpp:
(WebCore::GraphicsContextGLTextureMapperGBM::enableRequiredWebXRExtensionsImpl):
Canonical link: https://commits.webkit.org/322147@main
Canonical link: https://commits.webkit.org/317695.381@webkitglib/2.54
Compare: https://github.com/WebKit/WebKit/compare/f10c36f9c8d7...6cebb146c89a
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