[cairo-bugs] [Bug 41483] an alternative approach for faster rendering using GL/GLES with None AA or default AA

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Oct 11 04:12:17 PDT 2011


--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> 2011-10-11 04:12:14 PDT ---
Clipping is a little more complicated than that. ;-) You need to compute the
intersection between the clip->boxes and the nested clip->paths.

As always it may be interesting to compare the cost of geometric clipping
versus stencil buffer fill rates. And for aligned clips (ie clip regions) it
still may be even faster to keep using scissors.

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