[Pixman] [PATCH] Pixman uses separable convolutions for GOOD/BEST

Bill Spitzak spitzak at gmail.com
Mon Jul 28 19:30:49 PDT 2014

This replicates the results of my recent cairo patch in pixman.
GOOD/BEST will use larger filters for scaling down to produce
nice resulting images. BEST will also produce "square" pixels
when scaling up, useful for image editors and similar to OS/X.

With these changes, provided they are also placed into the xrender
back end, the cairo patch for filtering can be removed.

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