[cairo] Road map for remaining pixman refactoring

[Chris Wilson]

On Tue, 2009-06-02 at 10:37 +0200, Soeren Sandmann wrote:
> So basically, instead of working on one pixel at a time, the new
> scheme works with lists of coordinates and pixels instead. It seems to
> be slightly faster for many benchmarks:

Replaying a trace of firefox shows no significant change [x86, Core2].
master: 36.3s
many-pixels: 36.8s

Which probably says more about the benchmark than it does about the
patch. :-|
-ickle