[Pixman] [PATCH] ARMv5 optimisations

Søren Sandmann sandmann at cs.au.dk
Sat Sep 29 18:34:02 PDT 2012


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

>> As the code comes from the Android code base, it is Apache licensed -
>> is this a problem with Pixman?
>
> I am not a lawyer, but Apache license does not seem to be
> compatible with GPL2 according to:
>    http://www.apache.org/licenses/GPL-compatibility.html
> This is an extra restriction, which does not exist in the current
> pixman MIT/X11 license. I personally would not touch Apache licensed
> code without a really good reason.

Yeah, unfortunately we can't ship Apache licensed code in pixman.

> BTW, the nearest scaling code from pixman-arm-simd-asm.S can be
> moved to the arm-v5 file if pixman gets ARMv5 support.

There is also an old bug here:

    https://bugs.freedesktop.org/show_bug.cgi?id=13445

with some ARM assembly fill routines that probably could be resurrected
fairly easily.


Søren


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