Bug 224304

Summary: Wasted vector capacity in various DisplayList related code paths
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: Layout and RenderingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, ews-watchlist, mmaxfield, simon.fraser, webkit-bug-importer, wenson_hsieh, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=224307
Attachments:
Description Flags
Patch
wenson_hsieh: review+
Patch
ews-feeder: commit-queue-
Patch ews-feeder: commit-queue-

Simon Fraser (smfr)
Reported 2021-04-07 13:44:46 PDT
Wasted vector capacity in various DisplayList related code paths
Attachments
Patch (5.45 KB, patch)
2021-04-07 13:48 PDT, Simon Fraser (smfr) 		wenson_hsieh: review+
DetailsFormatted DiffDiff
Patch (6.84 KB, patch)
2021-04-07 14:12 PDT, Simon Fraser (smfr) 		ews-feeder: commit-queue-
DetailsFormatted DiffDiff
Patch (6.84 KB, patch)
2021-04-07 14:39 PDT, Simon Fraser (smfr) 		ews-feeder: commit-queue-
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2021-04-07 13:48:11 PDT
Created attachment 425433 [details] Patch
Simon Fraser (smfr)
Comment 2 2021-04-07 13:49:11 PDT
This is a first cut. DrawGlyphs could be rewritten to allocate only as much space as is required. ItemBuffers could be shrunk.
Simon Fraser (smfr)
Comment 3 2021-04-07 14:12:11 PDT
Created attachment 425437 [details] Patch
Simon Fraser (smfr)
Comment 4 2021-04-07 14:39:18 PDT
Created attachment 425440 [details] Patch
Simon Fraser (smfr)
Comment 5 2021-04-07 15:47:25 PDT
https://trac.webkit.org/changeset/275639/webkit
Radar WebKit Bug Importer
Comment 6 2021-04-07 15:48:15 PDT
<rdar://problem/76369458>
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