[Webkit-unassigned] [Bug 64584] New: Avoid rounded rect corner-drawing overhead if no corners are visible

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64584

           Summary: Avoid rounded rect corner-drawing overhead if no
                    corners are visible
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ianh at apple.com


We fall into a slow path when drawing a border for an element with nonzero border-radius.  If the rounded corners are outside the clip rect, however, we can set their radius to zero without visual effect.

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