[Webkit-unassigned] [Bug 107487] New: [Safari] Inconsistent color in element drawn across compositing tiles

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=107487

           Summary: [Safari] Inconsistent color in element drawn across
                    compositing tiles
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.8
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mvujovic at adobe.com
                CC: michelangelo at webkit.org, simon.fraser at apple.com,
                    achicu at adobe.com


Created an attachment (id=183852)
 --> (https://bugs.webkit.org/attachment.cgi?id=183852&action=review)
Reproduction

Open the attached reproduction in Safari WebKit nightly r140335.

The portion of green div located between y=512px and y=1024px of the document renders with a different shade of green than the rest of the div.

Using different color spaces on your monitor may make the issue more or less obvious.

This only reproduces in Safari. Chromium and Firefox render the entire div with the same shade of green as Safari does between y=512px and y=1024px.

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