Bug 219017

Summary: REGRESSION (r269824): YouTube media control bar sometimes flickers
Product: WebKit Reporter: Tim Horton <thorton>
Component: CompositingAssignee: Tim Horton <thorton>
Status: RESOLVED FIXED    
Severity: Normal CC: simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
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Description Tim Horton 2020-11-16 19:10:16 PST
REGRESSION (r269824): YouTube media control bar sometimes flickers
Comment 1 Tim Horton 2020-11-16 19:10:45 PST
Created attachment 414299 [details]
Patch
Comment 2 Tim Horton 2020-11-16 19:10:47 PST
<rdar://problem/71454799>
Comment 3 Simon Fraser (smfr) 2020-11-16 19:20:53 PST
Comment on attachment 414299 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=414299&action=review

> LayoutTests/compositing/repaint/transparent-layer-repaint-expected.html:4
> +  <style type="text/css" media="screen">

No need for `type="text/css" media="screen"`

> LayoutTests/compositing/repaint/transparent-layer-repaint-expected.html:9
> +        -webkit-transform: translateZ(0);

no prefix!

> LayoutTests/compositing/repaint/transparent-layer-repaint.html:9
> +        -webkit-transform: translateZ(0);

No prefix.

> LayoutTests/compositing/repaint/transparent-layer-repaint.html:25
> +            await UIHelper.ensurePresentationUpdate();

Maybe UIHelper.renderingUpdate()?

> LayoutTests/compositing/repaint/transparent-layer-repaint.html:27
> +            await UIHelper.ensurePresentationUpdate();

Same
Comment 4 Tim Horton 2020-11-16 19:29:10 PST
(In reply to Simon Fraser (smfr) from comment #3)
> Comment on attachment 414299 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=414299&action=review
> 
> > LayoutTests/compositing/repaint/transparent-layer-repaint-expected.html:4
> > +  <style type="text/css" media="screen">
> 
> No need for `type="text/css" media="screen"`

Erk, I removed them from the other one (obviously I started with a really antique test).

> > LayoutTests/compositing/repaint/transparent-layer-repaint-expected.html:9
> > +        -webkit-transform: translateZ(0);
> 
> no prefix!

TRUE

> > LayoutTests/compositing/repaint/transparent-layer-repaint.html:9
> > +        -webkit-transform: translateZ(0);
> 
> No prefix.
> 
> > LayoutTests/compositing/repaint/transparent-layer-repaint.html:25
> > +            await UIHelper.ensurePresentationUpdate();
> 
> Maybe UIHelper.renderingUpdate()?

Whazzat. I'll look!

> > LayoutTests/compositing/repaint/transparent-layer-repaint.html:27
> > +            await UIHelper.ensurePresentationUpdate();
> 
> Same
Comment 5 Tim Horton 2020-11-16 19:36:38 PST
Created attachment 414301 [details]
Patch
Comment 6 EWS 2020-11-17 00:28:53 PST
Committed r269895: <https://trac.webkit.org/changeset/269895>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 414301 [details].