[Webkit-unassigned] [Bug 35146] Support tiled backing store

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=35146





--- Comment #45 from Antti Koivisto <koivisto at iki.fi>  2010-03-16 09:40:06 PST ---
> FWIW, the argument is that this has been handled by WebKit clients and not
> WebKit code in all existing cases that I am aware of.  Moreover,
> WebCore/platform has not ever contained a backingstore class.  I don't see why
> this should be implemented in WebCore if only one port is using it.  That's
> all.  Kind of moot at this point though.

Some more interesting tiling features will only be possible if tiling is done
inside WebKit. Examples include tiled compositing layers, tiled subframes and
tile painting from a secondary thread. Putting more of the code to the Qt layer
(with hooks) would of course be possible but generally the idea is to avoid
that in the project. Hopefully this will be useful for others as well in the
future.

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