[Webkit-unassigned] [Bug 254118] New: [UI-side compositing] A no-op rendering update still triggers a WindowServer update
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Mar 18 11:40:05 PDT 2023
https://bugs.webkit.org/show_bug.cgi?id=254118
Bug ID: 254118
Summary: [UI-side compositing] A no-op rendering update still
triggers a WindowServer update
Product: WebKit
Version: WebKit Local Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit Process Model
Assignee: webkit-unassigned at lists.webkit.org
Reporter: simon.fraser at apple.com
A page that runs requestAnimationFrame() which doesn't trigger any rendering will still trigger UI-process CA commits, and thus WindowServer updates. This is a power drain.
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