[Pixman] [PATCH 2/3] ARM: NEON scanline functions for bilinear scaling with A8 mask

Soeren Sandmann sandmann at cs.au.dk
Wed Apr 13 13:31:45 PDT 2011

Siarhei Siamashka <siarhei.siamashka at gmail.com> writes:

>> or are these macros being duplicated between
>> pixman-arm-neon-asm.S and this new file? If so, maybe it would be better
>> to put them in a header file and share them.
> The whole problem with sharing these macros is that they already did
> change a bit, and they are going to change even more in order to
> improve performance. Taekyun Kim took the initial implementation of
> NEON bilinear code and extended it to support more compositing
> operations such as OVER and ADD, thus branching the older code. And
> because we don't have a stable foundation yet, it seems to be not very
> practical updating his code right now to use newer revisions of these
> common macros because these macros are still going to be updated
> again. I suggested taking his code as-is for pixman-0.22.0 in order to
> give the rest of the world at least some more or less complete set of
> ARM NEON bilinear fast paths sooner.

Okay, that makes sense I guess.


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