[Webkit-unassigned] [Bug 10408] SVGSVGElement does not support suspendRedraw, unsuspendRedraw

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jun 6 10:14:11 PDT 2012


--- Comment #11 from Dirk Schulze <krit at webkit.org>  2012-06-06 10:14:08 PST ---

> Just a quick followup--it's always good to double-check these things. I instrumented the code and wroteup a testcase and verified that RenderSVGImage::paint skips the hard work if the dirty rect doesn't intersect the image repaint rect.

Sorry for the late reply. But this is exactly the reason why suspendRedraw would be counter productive. You would scroll and suddenly the content disappears, just because the drawing got suspend and we clip to the visible content.

But it looks like you have performance issues. Raks, can you add an example that we can profile?

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