[Webkit-unassigned] [Bug 63176] New: Avoid using a transparency layer for rgba() border drawing when possible

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=63176

           Summary: Avoid using a transparency layer for rgba() border
                    drawing when possible
           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: simon.fraser at apple.com
                CC: bdakin at apple.com


The border drawing code uses a transparency layer sometimes for rgba() borders. However, I think some cases can be ignored, like:

border-top: 2px solid blue;
border-bottom: 2px solid rgba(0, 0, 0, 0.8);

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