[Webkit-unassigned] [Bug 49035] SVG <path> inside a <defs> is still marked as needing layout at the end of FrameView::layout

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Nov 20 09:24:36 PST 2010


https://bugs.webkit.org/show_bug.cgi?id=49035


Rob Buis <rwlbuis at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |rwlbuis at gmail.com




--- Comment #6 from Rob Buis <rwlbuis at gmail.com>  2010-11-20 09:24:36 PST ---
The testcase can be reduced some more:


<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
    <rect id="rect" x="0" y="100" width="50" height="50" fill="white" mask="url(#mask4)"/>
     <mask id="mask4">
    </mask>
</defs>
</svg>

First look points at RenderSVGResourceContainer::layout(), where removeAllClientsFromCache can be called. For the above case this means the already layouted rect (done in SVGSupport::layoutChildren) gets
invalidated, so setNeedsLayout(true) is called on it and the assert from bug 49019 is hit. The problem seems to be only triggered when the resource is after the referencing element.
Cheers,

Rob.

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