[cairo] Speeding up the tessellator

[Chris Wilson]

Carl, just some profile driven optimisations for the tessellator for
review. The highlight is a cumulative performance boost of ~30% (as
measured by the tessellate perf-case and an across the board increase of
~10% for fill).
-- 
Chris
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0002--tessellator-Simplify-special-cases-of-edges-to-com.patch
Type: text/x-patch
Size: 0 bytes
Desc: 
Url : http://lists.cairographics.org/archives/cairo/attachments/20081008/eebc280d/attachment-0005.bin