Bug 264026 - Changing width or height of a canvas synchronously creates the backing store
Summary: Changing width or height of a canvas synchronously creates the backing store
Status: RESOLVED WONTFIX
Alias: None
Product: WebKit
Classification: Unclassified
Component: Canvas (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Ryosuke Niwa
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2023-10-31 23:35 PDT by Ryosuke Niwa
Modified: 2023-11-16 11:41 PST (History)
2 users (show)

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Description Ryosuke Niwa 2023-10-31 23:35:51 PDT 
When changing the width or the height of a canvas, we synchronously create the new drawing context. Do so lazily instead.
Comment 1 Ryosuke Niwa 2023-10-31 23:38:26 PDT 
Pull request: https://github.com/WebKit/WebKit/pull/19823
Comment 2 Radar WebKit Bug Importer 2023-11-07 22:36:15 PST 
<rdar://problem/118099759>
Comment 3 Ryosuke Niwa 2023-11-16 11:41:05 PST 
This turned out to be a speedometer 3 regression.