st/nine: Fix output shift calculation
authorAxel Davy <axel.davy@ens.fr>
Sat, 12 Mar 2016 11:24:51 +0000 (12:24 +0100)
committerAxel Davy <axel.davy@ens.fr>
Wed, 18 May 2016 21:37:14 +0000 (23:37 +0200)
commitca7c78a88ecc828a1b08dc18667d2a70d9d0e09d
tree6efd9cd4bb349ce0296205435b822eff10197704
parentb8d95d40872dafbd372c071455d26ab078cdd170
st/nine: Fix output shift calculation

We were getting it wrong for negative values.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
src/gallium/state_trackers/nine/nine_shader.c