[webkit-changes] [WebKit/WebKit] ac18fb: Implement GraphicsLayerAsyncContentsDisplayDelegat...

[mattwoodrow]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ac18fb1c144afb42706b9012347ce37fc47226da
      https://github.com/WebKit/WebKit/commit/ac18fb1c144afb42706b9012347ce37fc47226da
  Author: Matt Woodrow <mattwoodrow at apple.com>
  Date:   2022-12-23 (Fri, 23 Dec 2022)

  Changed paths:
    M Source/WebCore/platform/graphics/ImageBuffer.h
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.h
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStore.mm
    M Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.h
    M Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.messages.in
    M Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm
    M Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeHost.h
    M Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeHost.mm
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/GraphicsLayerCARemote.cpp
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/GraphicsLayerCARemote.h
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.h
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.mm

  Log Message:
  -----------
  Implement GraphicsLayerAsyncContentsDisplayDelegate for GraphicsLayerCARemote
https://bugs.webkit.org/show_bug.cgi?id=249116

Reviewed by Simon Fraser.

Relatively simple, it attempts to convert the ImageBuffer to a shareable bitmap handle, and sends
that directly to the UI process main thread if so.

* Source/WebCore/platform/graphics/ImageBuffer.h:
* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.h:
* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.messages.in:
* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm:
(WebKit::RemoteLayerTreeDrawingAreaProxy::asyncSetLayerContents):
* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeHost.h:
* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeHost.mm:
(WebKit::RemoteLayerTreeHost::asyncSetLayerContents):
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/GraphicsLayerCARemote.cpp:
(WebKit::GraphicsLayerCARemoteAsyncContentsDisplayDelegate::GraphicsLayerCARemoteAsyncContentsDisplayDelegate):
(WebKit::GraphicsLayerCARemote::createAsyncContentsDisplayDelegate):
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/GraphicsLayerCARemote.h:
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.h:
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.mm:
(WebKit::RemoteLayerTreeContext::drawingAreaIdentifier const):

Canonical link: https://commits.webkit.org/258289@main