[cairo] Pixman scaling performance
sandmann at daimi.au.dk
Fri Nov 27 04:11:41 PST 2009
Siarhei Siamashka <siarhei.siamashka at gmail.com> writes:
> It's mostly a question about the status of
> branch, which should improve performance of nearest scaling.
> If tested with render_bench program on ARM Cortex-A8, we get the
> following results (it's mostly showing the performance of OVER
> compositing operation with nearest or bilinear scaling).
> As expected, bilinear scaling improved a lot in git (almost reaching
> imlib2), but nearest scaling is still a bit too slow.
> Both SRC and OVER operations are quite important for browsers.
I was hoping that someone would take your old scaling fast paths and
- do them with preprocessor macros instead of duplicating them
- go through the fast path system on top of the 'flags' branch
instead of the additional if statements.
But it may make sese to merge the unroll branch regardless.
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