[Webkit-unassigned] [Bug 113732] New: [qt][efl][ac] Composited layers with opacity != 1 causes layout mess

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=113732

           Summary: [qt][efl][ac] Composited layers with opacity != 1
                    causes layout mess
           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: bruno.abinader at basyskom.com
        Depends on: 50418


Created an attachment (id=196038)
 --> (https://bugs.webkit.org/attachment.cgi?id=196038&action=review)
Test

When working on a layout test for bug 50418, I have noticed that composited layers with a mixed set of layout positioning methods (fixed, absolute, relative, float) causes some visual artifacts with layout and rendering (see attached test). In Chrome it behaves correctly, while on both EFL and Qt running MiniBrowser I observed the same issues.

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