Bug 255254 - [UI-side compositing] Scrolling is not as smooth as it should be on 120Hz displays
Summary: [UI-side compositing] Scrolling is not as smooth as it should be on 120Hz dis...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: Scrolling (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2023-04-10 15:36 PDT by Simon Fraser (smfr)
Modified: 2023-04-10 19:25 PDT (History)
2 users (show)

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Description Simon Fraser (smfr) 2023-04-10 15:36:04 PDT 
The scrolling thread blocks on RemoteLayerTreeEventDispatcher::waitForRenderingUpdateCompletionOrTimeout() for too long (up to 8ms) on 120Hz displays, when it should only block for 4ms.
Comment 1 Simon Fraser (smfr) 2023-04-10 15:36:15 PDT 
rdar://107837416
Comment 2 Simon Fraser (smfr) 2023-04-10 15:43:02 PDT 
Pull request: https://github.com/WebKit/WebKit/pull/12591
Comment 3 EWS 2023-04-10 19:25:03 PDT 
Committed 262801@main (80da2ab73cf5): <https://commits.webkit.org/262801@main>

Reviewed commits have been landed. Closing PR #12591 and removing active labels.