Bug 208270 - Overflow scrolling should not require event region rebuilding
Summary: Overflow scrolling should not require event region rebuilding
Status: RESOLVED INVALID
Alias: None
Product: WebKit
Classification: Unclassified
Component: Scrolling (show other bugs)
Version: Safari Technology Preview
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2020-02-26 15:40 PST by Simon Fraser (smfr)
Modified: 2020-06-26 16:35 PDT (History)
3 users (show)

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Description Simon Fraser (smfr) 2020-02-26 15:40:31 PST 
We should avoid rebuilding event regions on overflow scrolling. It's expensive and should not be necessary.
Comment 1 Radar WebKit Bug Importer 2020-02-26 15:40:53 PST 
<rdar://problem/59824741>
Comment 2 Simon Fraser (smfr) 2020-06-26 16:35:34 PDT 
I confirmed that we don't invalidate event regions on scrolling.