RESOLVED FIXED 231593
Scrolling thread animations need to commit layers on the scrolling thread 
https://bugs.webkit.org/show_bug.cgi?id=231593
Summary Scrolling thread animations need to commit layers on the scrolling thread
Simon Fraser (smfr)
Reported 2021-10-12 10:23:53 PDT
Scrolling thread animations need to commit layers on the scrolling thread
Attachments
Patch (24.15 KB, patch)
2021-10-12 10:30 PDT, Simon Fraser (smfr) 		thorton: review+
ews-feeder: commit-queue-
DetailsFormatted DiffDiff
Patch (24.18 KB, patch)
2021-10-12 12:15 PDT, Simon Fraser (smfr) 		ews-feeder: commit-queue-
DetailsFormatted DiffDiff
Patch (24.15 KB, patch)
2021-10-12 13:04 PDT, Simon Fraser (smfr) 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2021-10-12 10:30:41 PDT
Created attachment 440955 [details] Patch
Tim Horton
Comment 2 2021-10-12 11:06:58 PDT
Comment on attachment 440955 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=440955&action=review > Source/WebKit/ChangeLog:8 > + Scroll animations were running the scrolling thread (in that the timers were firing on that "on" > Source/WebKit/ChangeLog:9 > + thread), but the scrolling thread wasn't changing layer positons, so those animations positons! > Source/WebKit/ChangeLog:26 > + Scroll animations are still based on a 60Hz timer, but in future should be driven by > + displayDidRefresh() notifications. Excitement!
Simon Fraser (smfr)
Comment 3 2021-10-12 12:15:04 PDT
Created attachment 440967 [details] Patch
Simon Fraser (smfr)
Comment 4 2021-10-12 13:04:32 PDT
Created attachment 440973 [details] Patch
Simon Fraser (smfr)
Comment 5 2021-10-12 13:58:23 PDT
https://trac.webkit.org/changeset/284022/webkit
Radar WebKit Bug Importer
Comment 6 2021-10-12 13:59:40 PDT
<rdar://problem/84165163>
Ryan Haddad
Comment 7 2021-10-12 15:44:58 PDT
Reverted r284022 for reason: Caused tests to exit early due to an assertion failure Committed r284049 (242878@main): <https://commits.webkit.org/242878@main>
Ryan Haddad
Comment 8 2021-10-12 15:47:56 PDT
(In reply to Ryan Haddad from comment #7) > Reverted r284022 for reason: > > Caused tests to exit early due to an assertion failure ASSERTION FAILED: connectionInfo.fullSpeedUpdatesClientCount /Volumes/Data/worker/macOS-AppleSilicon-Big-Sur-Debug-Build-EWS/build/Source/WebKit/UIProcess/mac/DisplayLink.cpp(186) : void WebKit::DisplayLink::decrementFullSpeedRequestClientCount(IPC::Connection &) https://ews-build.s3-us-west-2.amazonaws.com/macOS-AppleSilicon-Big-Sur-Debug-WK2-Tests-EWS/r440955-14272-rerun/results.html
Simon Fraser (smfr)
Comment 9 2021-10-12 17:15:15 PDT
Re-landed in https://trac.webkit.org/changeset/284064/webkit
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