On Fri, 24 Apr 2015 00:02:53 +0100, cu wrote:
I'll bring up an old topic as the issue came up again. I have been using
an old version of Pixman (0.24 I believe) with manual assembly
optimizations that someone posted here. It's been a couple of years
since it was posted. That version compiles on
I'll bring up an old topic as the issue came up again. I have been using
an old version of Pixman (0.24 I believe) with manual assembly
optimizations that someone posted here. It's been a couple of years
since it was posted. That version compiles on armv7 and is fairly fast.
As of June Apple requi
On Thu, 23 Apr 2015 13:10:10 +0100, Pekka Paalanen wrote:
Affine-bench differs from lowlevel-blt-bench in the following:
- does not test different sized operations fitting to specific caches,
destination is always 1920x1080
- allows defining the affine transformation parameters
- carefully co
On Thu, 23 Apr 2015 17:12:59 +0100, I wrote:
I imagine most of the time, you'll have a source image of fixed size, and
you'll either have a target destination size (in which case your task is
to calculate the transform matrix coefficients) or you'll have a target
scaling factor (in which case you
On Thu, 23 Apr 2015 12:46:56 +0100,
Pekka Paalanen wrote:
On Wed, 15 Apr 2015 17:03:43 +0100
"Ben Avison" wrote:
For nearest-neighbour scaling, the nth pixel of a source or mask image is
considered to cover the space (n, n+1]. Yes, that's inclusive at the
upper end and exclusive at the lowe
From: Ben Avison
Affine-bench is written by following the example of lowlevel-blt-bench.
Affine-bench differs from lowlevel-blt-bench in the following:
- does not test different sized operations fitting to specific caches,
destination is always 1920x1080
- allows defining the affine transforma
On Wed, 15 Apr 2015 17:03:43 +0100
"Ben Avison" wrote:
> On Wed, 15 Apr 2015 10:39:54 +0100,
> Pekka Paalanen wrote:
>
> > On Tue, 14 Apr 2015 19:00:58 +0100
> > "Ben Avison" wrote:
> >
> >> Assume the reasonable case that you want to plot the whole of
> >> an image of size x,y at a size m,n.
