[webkit-changes] [WebKit/WebKit] dff0f0: Layer contents are not invalidated when the GPUP c...

[mattwoodrow]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: dff0f0bbe2c58d24fb850b3f4caaa8fb019b73b4
      https://github.com/WebKit/WebKit/commit/dff0f0bbe2c58d24fb850b3f4caaa8fb019b73b4
  Author: Matt Woodrow <mattwoodrow at apple.com>
  Date:   2023-10-19 (Thu, 19 Oct 2023)

  Changed paths:
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.h
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStoreCollection.h
    M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStoreCollection.mm
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.h
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.mm
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.h
    M Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.mm
    M Source/WebKit/WebProcess/WebPage/WebPage.cpp
    M Source/WebKit/WebProcess/WebPage/WebPage.h
    M Source/WebKit/WebProcess/WebProcess.cpp

  Log Message:
  -----------
  Layer contents are not invalidated when the GPUP crashes.
https://bugs.webkit.org/show_bug.cgi?id=263211
<rdar://115756729>

Reviewed by Simon Fraser.

GPUP crashes result in any remote image buffers have new backends created in the new process, but nothing currently notifies the rendering code that we need to repaint the pixel contents.

* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.h:
(WebKit::RemoteLayerBackingStoreCollection::gpuProcessConnectionWasDestroyed):
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStoreCollection.h:
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerWithRemoteRenderingBackingStoreCollection.mm:
(WebKit::RemoteLayerWithRemoteRenderingBackingStoreCollection::gpuProcessConnectionWasDestroyed):
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.h:
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeContext.mm:
(WebKit::RemoteLayerTreeContext::gpuProcessConnectionWasDestroyed):
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.h:
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.mm:
(WebKit::RemoteLayerTreeDrawingArea::gpuProcessConnectionWasDestroyed):
* Source/WebKit/WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::gpuProcessConnectionWasDestroyed):
* Source/WebKit/WebProcess/WebPage/WebPage.h:
* Source/WebKit/WebProcess/WebProcess.cpp:
(WebKit::WebProcess::gpuProcessConnectionClosed):

Canonical link: https://commits.webkit.org/269546@main