[cairo] Cache solid patterns

[Behdad Esfahbod]

On Tue, 2007-03-13 at 19:29 -0400, Chris Wilson wrote:

> This is the old solid colour surface cache moved up a level to cache
> the allocated patterns. This is important for toolkits such as GTK+,
> which tend to use a small colour palette across many widgets and
> trigger frequent reallocation of the same solid patterns.

Looks good.  Please commit after Mathias commits his MUTEX patch so we
don't regress again.

-- 
behdad
http://behdad.org/

"Those who would give up Essential Liberty to purchase a little
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