[Webkit-unassigned] [Bug 94985] New: scale3d breaks caret rendering

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=94985

           Summary: scale3d breaks caret rendering
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: gregg at radiuus.com
                CC: eric at webkit.org


I am seeing repaint issues with transforming elements that have carets. This includes textareas, inputs, and divs (possibly more, but that's all I've tested). Adding the scale3d css property to an element the caret no longer blinks and no longer moves when using the arrow keys. When the arrow keys are moved, the caret DOES actually move, just not visually, since when you type the text appears in the correct spot.

I've attached an HTML file that shows the issue. Also, here is a jsfiddle showing the same:

http://jsfiddle.net/galtschul/StbKg/

One thing to point out is that when I scale using scale3d(1.01,1.01,1) the issue does not seem to occur.

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