Bug 212168

Summary: [macOS] Scrolling synchronization part 1: Have the scrolling thread wait half a frame for the main thread to complete the rendering update
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: ScrollingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: benjamin, cdumez, cmarcelo, ews-watchlist, fred.wang, jamesr, luiz, simon.fraser, thorton, tonikitoo, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on: 213135    
Bug Blocks: 210884    
Attachments:
Description Flags
Patch
thorton: review+
Patch
none
Patch none

Simon Fraser (smfr)
Reported 2020-05-20 14:34:53 PDT
[macOS] Scrolling synchronization part 1: Have the scrolling thread wait half a frame for the main thread to complete the rendering update
Attachments
Patch (21.29 KB, patch)
2020-05-20 14:47 PDT, Simon Fraser (smfr) 		thorton: review+
DetailsFormatted DiffDiff
Patch (28.00 KB, patch)
2020-05-20 21:43 PDT, Simon Fraser (smfr) 		no flags
DetailsFormatted DiffDiff
Patch (28.86 KB, patch)
2020-05-20 21:47 PDT, Simon Fraser (smfr) 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2020-05-20 14:47:40 PDT
Created attachment 399894 [details] Patch
Tim Horton
Comment 2 2020-05-20 14:59:51 PDT
Comment on attachment 399894 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=399894&action=review > Source/WebCore/page/scrolling/ThreadedScrollingTree.cpp:227 > + auto displayFPS = nominalFramesPerSecond(); valueOr?
Simon Fraser (smfr)
Comment 3 2020-05-20 21:43:50 PDT
Created attachment 399930 [details] Patch
Simon Fraser (smfr)
Comment 4 2020-05-20 21:47:06 PDT
Created attachment 399931 [details] Patch
EWS
Comment 5 2020-05-20 23:47:29 PDT
Committed r261985: <https://trac.webkit.org/changeset/261985> All reviewed patches have been landed. Closing bug and clearing flags on attachment 399931 [details].
Radar WebKit Bug Importer
Comment 6 2020-05-20 23:48:16 PDT
<rdar://problem/63481163>
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