[Webkit-unassigned] [Bug 82051] Direct shadow casting by the background is an unnaturally *slow* path on some ports for some apps

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82051





--- Comment #5 from Tom Hudson <tomhudson at google.com>  2012-03-23 11:15:52 PST ---
It might be something in the platform glue for Chromium, rather than Skia? The new code path ends up being presented to Skia as a 4px radius gaussian blur of the 1000x800 div that's being scrolled; I presume CG is doing something much smarter if this is a fast path. I filed http://code.google.com/p/chromium/issues/detail?id=119778 against Chromium to see if I can get somebody familiar with those layers to take a look.

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