Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: bb4da53917de7e7e3788b43bf8b9aba9ee81d718
https://github.com/WebKit/WebKit/commit/bb4da53917de7e7e3788b43bf8b9aba9ee81d718
Author: Matt Woodrow <[email protected]>
Date: 2023-11-08 (Wed, 08 Nov 2023)
Changed paths:
A LayoutTests/http/tests/site-isolation/double-iframe-expected.html
A LayoutTests/http/tests/site-isolation/double-iframe.html
M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.h
M Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.mm
M
Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.mm
Log Message:
-----------
Multiple iframes in same isolated process results in one of them not being
drawn.
https://bugs.webkit.org/show_bug.cgi?id=264356
<rdar://118034981>
Reviewed by Alex Christensen.
RemoteLayerBackingStoreCollection::willCommitLayerTree collects all the backing
stores that were unreachable,
and includes that list in the transaction so that the UI process can ensure the
buffer references are removed.
This changes moves that call until we've finished building all the
transactions, so that were not considering
buffers only used in latter transactions to be unreachable for the first
transaction.
It also adds a new 'willBuildTransaction' function. The set of backing stores
that need display is a property
of the transaction (where we call prepareBuffersForDisplay, and then paint
them), so we want to clear this
state per-transaction, not per rendering update.
* LayoutTests/http/tests/site-isolation/double-iframe-expected.html: Added.
* LayoutTests/http/tests/site-isolation/double-iframe.html: Added.
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.h:
* Source/WebKit/Shared/RemoteLayerTree/RemoteLayerBackingStoreCollection.mm:
(WebKit::RemoteLayerBackingStoreCollection::willFlushLayers):
(WebKit::RemoteLayerBackingStoreCollection::willBuildTransaction):
*
Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteLayerTreeDrawingArea.mm:
(WebKit::RemoteLayerTreeDrawingArea::updateRendering):
Canonical link: https://commits.webkit.org/270399@main
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