Mesa (master): radeonsi/nir: fix shader ballot return value bitsize

[Timothy Arceri]

Module: Mesa
Branch: master
Commit: 6acab18828f90d8ecefec059c6d646f3ab8de541
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6acab18828f90d8ecefec059c6d646f3ab8de541

Author: Timothy Arceri <tarceri at itsqueeze.com>
Date:   Tue Feb 13 09:34:16 2018 +1100

radeonsi/nir: fix shader ballot return value bitsize

Fixes cts test:
KHR-GL46.shader_ballot_tests.ShaderBallotFunctionBallot

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeonsi/si_shader_nir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader_nir.c b/src/gallium/drivers/radeonsi/si_shader_nir.c
index ba4a66fabb..0a09963e91 100644
--- a/src/gallium/drivers/radeonsi/si_shader_nir.c
+++ b/src/gallium/drivers/radeonsi/si_shader_nir.c
@@ -630,7 +630,7 @@ si_lower_nir(struct si_shader_selector* sel)
 
 	const nir_lower_subgroups_options subgroups_options = {
 		.subgroup_size = 64,
-		.ballot_bit_size = 32,
+		.ballot_bit_size = 64,
 		.lower_to_scalar = true,
 		.lower_subgroup_masks = true,
 		.lower_vote_trivial = false,