Bug 188486

Summary: CSS reference filter with feDisplacementMap shows buffer corruption on Retina displays
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: SVGAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: commit-queue, dino, ews-watchlist, kondapallykalyan, mmaxfield, sabouhallawa, simon.fraser, webkit-bug-importer, zimmermann
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Screenshot
none
Testcase
none
Patch none

Simon Fraser (smfr)
Reported 2018-08-11 17:35:59 PDT
https://codepen.io/yoksel/pen/VBVRWa Looks very wrong on Mac and iOS.
Attachments
Screenshot (175.90 KB, image/png)
2018-08-11 17:37 PDT, Simon Fraser (smfr) 		no flags
Details
Testcase (1.02 KB, text/html)
2018-09-23 11:24 PDT, Simon Fraser (smfr) 		no flags
Details
Patch (5.30 KB, patch)
2018-09-23 11:44 PDT, Simon Fraser (smfr) 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2018-08-11 17:37:03 PDT
Created attachment 346974 [details] Screenshot
Radar WebKit Bug Importer
Comment 2 2018-08-11 17:37:25 PDT
<rdar://problem/43189750>
Simon Fraser (smfr)
Comment 3 2018-09-19 16:53:36 PDT
Only happens on Retina displays.
Simon Fraser (smfr)
Comment 4 2018-09-23 11:24:33 PDT
Created attachment 350576 [details] Testcase I think this is mostly about feDisplacementMap
Simon Fraser (smfr)
Comment 5 2018-09-23 11:44:29 PDT
Created attachment 350577 [details] Patch
WebKit Commit Bot
Comment 6 2018-09-24 11:20:33 PDT
Comment on attachment 350577 [details] Patch Clearing flags on attachment: 350577 Committed r236415: <https://trac.webkit.org/changeset/236415>
WebKit Commit Bot
Comment 7 2018-09-24 11:20:34 PDT
All reviewed patches have been landed. Closing bug.
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