Bug 299650

Summary:	An element with a background image does not always count as contentful to paint-timing
Product:	WebKit	Reporter:	Simon Fraser (smfr) <simon.fraser>
Component:	Layout and Rendering	Assignee:	Simon Fraser (smfr) <simon.fraser>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Simon Fraser (smfr)

Reported 2025-09-26 20:06:59 PDT

`RenderBox::imageChanged()` has an early return for `!isComposited()` before it calls `incrementVisuallyNonEmptyPixelCountIfNeeded()`, which is wrong.

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Radar WebKit Bug Importer

Comment 1 2025-09-26 20:07:16 PDT

<rdar://problem/161456094>

Simon Fraser (smfr)

Comment 2 2025-09-26 20:11:55 PDT

Pull request: https://github.com/WebKit/WebKit/pull/51428

EWS

Comment 3 2025-09-28 12:01:35 PDT

Committed 300667@main (55423322fb83): <https://commits.webkit.org/300667@main> Reviewed commits have been landed. Closing PR #51428 and removing active labels.

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