[Webkit-unassigned] [Bug 14003] WebKit invalidates *way* too much during JS based SVG animation

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=14003





------- Comment #1 from eric at webkit.org  2007-06-05 14:53 PDT -------
Ok, it turns out the problem is due to this line:

    while (child) {
        if (!child->isRenderPath() ||
static_cast<RenderPath*>(child)->hasRelativeValues())
            child->setNeedsLayout(true);


We end up causing any container child to re-layout, even when not necessary. 
Instead the RenderSVGContainer code needs to be smart enough to see if it's
width/height has changed, and then (and only then) bother to mark it's
relative-length path or container kids as needing layout.


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