[Webkit-unassigned] [Bug 111855] New: Rendered colors shift when element gets a layer

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=111855

           Summary: Rendered colors shift when element gets a layer
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mibalan at adobe.com


Elements that have the same CSS color get actually rendered with slightly different hues if one of them is on a layer.

This doesn't happen on all configurations - from my testing, on the Mac platform, it seems to be limited to Mac 10.8 if the video card is not an Intel chip (e.g. ATi or nVidia)

See the attached sample - on configurations where the bug is present, the second line of text will be slightly redder (purple-blue) than the first line of text. The attached .png file shows how this bug manifests.

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