Bug 197766

Summary: When the scroller hosting a shared layer becomes non-scrollable, content disappears
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: CompositingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: commit-queue, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 197561    
Attachments:
Description Flags
Testcase
none
Patch none

Simon Fraser (smfr)
Reported 2019-05-09 21:42:57 PDT
Created attachment 369542 [details] Testcase Attached testcase shows a bug where when a scroller becomes non-scrollable, we change the layer configuration in a way that ends up leaving content unpainted.
Attachments
Testcase (1.33 KB, text/html)
2019-05-09 21:42 PDT, Simon Fraser (smfr) 		no flags
Details
Patch (5.70 KB, patch)
2019-05-11 11:55 PDT, Simon Fraser (smfr) 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2019-05-11 11:54:27 PDT
<rdar://problem/50695808>
Simon Fraser (smfr)
Comment 2 2019-05-11 11:55:19 PDT
Created attachment 369657 [details] Patch
alan
Comment 3 2019-05-11 11:59:45 PDT
Comment on attachment 369657 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=369657&action=review > Source/WebCore/ChangeLog:10 > + its backing store. We always made backing for overlap layers, so even if the sharing layers even if (extra whitespace)
WebKit Commit Bot
Comment 4 2019-05-11 13:58:57 PDT
Comment on attachment 369657 [details] Patch Clearing flags on attachment: 369657 Committed r245206: <https://trac.webkit.org/changeset/245206>
WebKit Commit Bot
Comment 5 2019-05-11 13:58:59 PDT
All reviewed patches have been landed. Closing bug.
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