Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 3b5c5e2e255ef2c714e98eac5c3b088e057eb82e
      
https://github.com/WebKit/WebKit/commit/3b5c5e2e255ef2c714e98eac5c3b088e057eb82e
  Author: Matt Woodrow <[email protected]>
  Date:   2026-02-13 (Fri, 13 Feb 2026)

  Changed paths:
    M Source/WTF/wtf/PlatformHave.h
    M Source/WebCore/Configurations/AllowedSPI.toml
    M Source/WebCore/PAL/pal/cg/CoreGraphicsSoftLink.cpp
    M Source/WebCore/PAL/pal/cg/CoreGraphicsSoftLink.h
    M Source/WebCore/PAL/pal/spi/cg/CoreGraphicsSPI.h
    M Source/WebCore/platform/graphics/ImageBuffer.cpp
    M Source/WebCore/platform/graphics/ImageBuffer.h
    M Source/WebCore/platform/graphics/ImageBufferBackend.h
    M Source/WebCore/platform/graphics/cg/ImageBufferIOSurfaceBackend.cpp
    M Source/WebCore/platform/graphics/cg/ImageBufferIOSurfaceBackend.h
    M Source/WebKit/GPUProcess/graphics/RemoteImageBufferSet.cpp
    M Source/WebKit/GPUProcess/graphics/RemoteImageBufferSet.h
    M Source/WebKit/GPUProcess/graphics/RemoteImageBufferSet.messages.in
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.h
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.mm
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.mm
    M 
Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStore.h
    M 
Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStore.mm
    M Source/WebKit/WebProcess/GPU/graphics/RemoteImageBufferSetProxy.cpp
    M Source/WebKit/WebProcess/GPU/graphics/RemoteImageBufferSetProxy.h

  Log Message:
  -----------
  Flush tile drawing only after we've finished drawing to all of the tiles.
https://bugs.webkit.org/show_bug.cgi?id=307722
<rdar://problem/170273718>

Reviewed by Kimmo Kinnunen.

We can use CGIOSurfaceContextFlushQueue to start rendering after each tile, and 
then only flush at the end of painting.

* Source/WTF/wtf/PlatformHave.h:
* Source/WebCore/Configurations/AllowedSPI.toml:
* Source/WebCore/PAL/pal/cg/CoreGraphicsSoftLink.cpp:
* Source/WebCore/PAL/pal/cg/CoreGraphicsSoftLink.h:
* Source/WebCore/PAL/pal/spi/cg/CoreGraphicsSPI.h:
* Source/WebCore/platform/graphics/ImageBuffer.cpp:
(WebCore::ImageBuffer::submitDrawingCommands):
* Source/WebCore/platform/graphics/ImageBuffer.h:
* Source/WebCore/platform/graphics/ImageBufferBackend.h:
(WebCore::ImageBufferBackend::submitDrawingCommands):
* Source/WebCore/platform/graphics/cg/ImageBufferIOSurfaceBackend.cpp:
(WebCore::ImageBufferIOSurfaceBackend::submitDrawingCommands):
* Source/WebCore/platform/graphics/cg/ImageBufferIOSurfaceBackend.h:
* Source/WebKit/GPUProcess/graphics/RemoteImageBufferSet.cpp:
(WebKit::RemoteImageBufferSet::submitDrawingCommands):
* Source/WebKit/GPUProcess/graphics/RemoteImageBufferSet.h:
* Source/WebKit/GPUProcess/graphics/RemoteImageBufferSet.messages.in:
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.h:
(WebKit::RemoteLayerBackingStore::submitDrawingCommands):
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.mm:
(WebKit::RemoteLayerBackingStore::drawInContext):
(WebKit::RemoteLayerBackingStore::flush):
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.mm:
(WebKit::RemoteLayerBackingStoreCollection::paintReachableBackingStoreContents):
* 
Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStore.h:
* 
Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStore.mm:
(WebKit::RemoteLayerWithRemoteRenderingBackingStore::submitDrawingCommands):
* Source/WebKit/WebProcess/GPU/graphics/RemoteImageBufferSetProxy.cpp:
(WebKit::RemoteImageBufferSetProxy::submitDrawingCommands):
* Source/WebKit/WebProcess/GPU/graphics/RemoteImageBufferSetProxy.h:

Canonical link: https://commits.webkit.org/307551@main



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