Re: [Pixman] [PATCH 5/5] test: Add a new benchmarker targeting affine operations

2015-04-15 Thread Ben Avison
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. You need to set the diagonals of the transform to floor(pixman_fixed_1*(x-1)/(m-

Re: [Pixman] [PATCH 5/5] test: Add a new benchmarker targeting affine operations

2015-04-15 Thread Pekka Paalanen
On Tue, 14 Apr 2015 19:00:58 +0100 "Ben Avison" wrote: > On Tue, 14 Apr 2015 11:28:42 +0100, Pekka Paalanen > wrote: > > So the matrices are indexed as matrix[row][column] in Pixman? > > That's my understanding, yes. > > > A short'ish comment somewhere to say why you are doing this offsetting

[Pixman] Going to land: Re: [PATCH 0/7] lowlevel-blt-bench test pattern parser

2015-04-15 Thread Pekka Paalanen
On Tue, 14 Apr 2015 17:15:10 +0100 "Ben Avison" wrote: > On Tue, 14 Apr 2015 09:36:38 +0100, > Pekka Paalanen wrote: > > > On Mon, 13 Apr 2015 18:42:45 +0100 > > "Ben Avison" wrote: > > > >> On Mon, 13 Apr 2015 12:31:35 +0100, > >> Pekka Paalanen wrote: > >> > None of the existing tests has a

Re: [Pixman] [PATCH] test: Add a new benchmarker targeting affine operations

2015-04-15 Thread Pekka Paalanen
On Tue, 14 Apr 2015 15:16:01 -0400 "Lennart Sorensen" wrote: > On Tue, Apr 14, 2015 at 07:20:50PM +0100, Ben Avison wrote: > > On Tue, 14 Apr 2015 11:28:51 +0100, Pekka Paalanen > > wrote: > > >you asked about reading the cache sizes; I have no idea about that. > > > > > >>+#define PAGE_SIZE (4