Bug 262700

Summary:	Cache total advance width on GlyphBuffer
Product:	WebKit	Reporter:	Chris Dumez <cdumez>
Component:	Layout and Rendering	Assignee:	Chris Dumez <cdumez>
Status:	ASSIGNED ---
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Chris Dumez 2023-10-05 08:03:58 PDT

Cache total advance width on GlyphBuffer so that FontCascade::widthForSimpleText() can get it cheaply. FontCascade::widthForSimpleText() is hot on profiles.

Comment 1 Chris Dumez 2023-10-05 08:12:17 PDT

Pull request: https://github.com/WebKit/WebKit/pull/18694

Comment 2 Radar WebKit Bug Importer 2023-10-12 08:04:13 PDT

<rdar://problem/116863058>