[Pixman] [PATCH v3] test: Add cover-test
oded.gabbay at gmail.com
Fri Sep 4 02:04:00 PDT 2015
On Thu, Sep 3, 2015 at 3:54 PM, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> On Wed, 2 Sep 2015 20:35:59 +0100
> Ben Avison <bavison at riscosopen.org> wrote:
>> This test aims to verify both numerical correctness and the honouring of
>> array bounds for scaled plots (both nearest-neighbour and bilinear) at or
>> close to the boundary conditions for applicability of "cover" type fast paths
>> and iter fetch routines.
>> It has a secondary purpose: by setting the env var EXACT (to any value) it
>> will only test plots that are exactly on the boundary condition. This makes
>> it possible to ensure that "cover" routines are being used to the maximum,
>> although this requires the use of a debugger or code instrumentation to
>> test/Makefile.sources | 1 +
>> test/cover-test.c | 426 +++++++++++++++++++++++++++++++++++++++++++++++++
>> 2 files changed, 427 insertions(+), 0 deletions(-)
>> create mode 100644 test/cover-test.c
> Reviewed-by: Pekka Paalanen <pekka.paalanen at collabora.co.uk>
> I ran cover-test on x86_64 with all combinations of:
> - interpolation bits 7 and 4
> - with and without EXACT
> - PIXMAN_DISABLE unset and set to "ssse3", "ssse3 sse2" and "ssse3 sse2 mmx"
> They all pass.
> However, Oded say this fails CRC for him. Maybe he can comment more.
> Oded, what page size do you have on those PPC64 platforms?
PAGESIZE on those systems is 64KB
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