From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 13 Aug 2019 19:26:51 +0000 (-0400)
Subject: tgsi_to_nir: expand vec3 system values to vec4
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fad962eddc218cf95276e6b4d335e2dce3009aec;p=mesa.git

tgsi_to_nir: expand vec3 system values to vec4

for nir_intrinsic_load_work_group_id

Reviewed-by: Eric Anholt <eric@anholt.net>
---

diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c
index cd8604eec71..cb03c56e406 100644
--- a/src/gallium/auxiliary/nir/tgsi_to_nir.c
+++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c
@@ -655,6 +655,9 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned file, unsigned index,
          unreachable("bad system value");
       }
 
+      if (load->num_components == 3)
+         load = nir_swizzle(b, load, SWIZ(X, Y, Z, Z), 4);
+
       src = nir_src_for_ssa(load);
       b->shader->info.system_values_read |=
          (1 << nir_system_value_from_intrinsic(op));