Bug 265295
| Summary: | Speedometer 3: Sync wait in RemoteLayerWithRemoteRenderingBackingStoreCollection::prepareBackingStoresForDisplay | ||
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| Product: | WebKit | Reporter: | Matt Woodrow <mattwoodrow> |
| Component: | Layout and Rendering | Assignee: | Matt Woodrow <mattwoodrow> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | bfulgham, fujii.hironori, simon.fraser, webkit-bug-importer, zalan |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Matt Woodrow
Having a synchronous call to prepareBackingStoresForDisplay blocks the main thread, while the GPU Process existing commands (like canvas drawing from rAF).
We should be able to avoid this in the common case, and just asynchronously let the GPU know that we're starting layer drawing for a frame.
<rdar://116792212>
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| Add attachment proposed patch, testcase, etc. |
Matt Woodrow
Pull request: https://github.com/WebKit/WebKit/pull/20858
EWS
Committed 271747@main (3dd074a9e5d2): <https://commits.webkit.org/271747@main>
Reviewed commits have been landed. Closing PR #20858 and removing active labels.
Fujii Hironori
Windows port regressed.
Bug 266138 – REGRESSION(271747@main): [Win] ASSERTION FAILED: canSafelyBeUsed() under WebKit::RemoteImageBufferProxy::streamConnection