Bug 53731

Summary: REGRESSION: Artifacts on box-shadow corners in some cases
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: CSSAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: mitz, simon.fraser
Priority: P1 Keywords: LayoutTestFailure, Regression
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
Testcase
none
Patch mitz: review+

Description Simon Fraser (smfr) 2011-02-03 16:18:29 PST
Created attachment 81135 [details]
Testcase

The attached testcase shows some artifacts on the corners.
Comment 1 Simon Fraser (smfr) 2011-02-03 20:25:35 PST
Created attachment 81180 [details]
Patch
Comment 2 mitz 2011-02-03 21:22:03 PST
Comment on attachment 81180 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=81180&action=review

> LayoutTests/ChangeLog:14
> +        * platform/mac/fast/box-shadow/shadow-tiling-artifact-expected.checksum: Added.
> +        * platform/mac/fast/box-shadow/shadow-tiling-artifact-expected.png: Added.
> +        * platform/mac/fast/box-shadow/shadow-tiling-artifact-expected.txt: Added.

What’s Mac-specific about these results?
Comment 3 Simon Fraser (smfr) 2011-02-03 21:24:33 PST
(In reply to comment #2)
> (From update of attachment 81180 [details])
> View in context: https://bugs.webkit.org/attachment.cgi?id=81180&action=review
> 
> > LayoutTests/ChangeLog:14
> > +        * platform/mac/fast/box-shadow/shadow-tiling-artifact-expected.checksum: Added.
> > +        * platform/mac/fast/box-shadow/shadow-tiling-artifact-expected.png: Added.
> > +        * platform/mac/fast/box-shadow/shadow-tiling-artifact-expected.txt: Added.
> 
> What’s Mac-specific about these results?

We only use ShadowBlur on CG platforms currently.
Comment 4 Simon Fraser (smfr) 2011-02-03 21:28:52 PST
http://trac.webkit.org/changeset/77601