From 6ba67795db924832c1a209d1466abfa13d9d68d5 Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Tue, 26 Jan 2016 11:48:23 -0800
Subject: [PATCH] nir/spirv: Add proper support for InstanceIndex

---
 src/glsl/nir/spirv/vtn_variables.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/glsl/nir/spirv/vtn_variables.c b/src/glsl/nir/spirv/vtn_variables.c
index 8fea43b2e96..dd006c355d9 100644
--- a/src/glsl/nir/spirv/vtn_variables.c
+++ b/src/glsl/nir/spirv/vtn_variables.c
@@ -784,7 +784,9 @@ vtn_get_builtin_location(struct vtn_builder *b,
       set_mode_system_value(mode);
       break;
    case SpvBuiltInInstanceIndex:
-      /* XXX */
+      *location = SYSTEM_VALUE_INSTANCE_INDEX;
+      set_mode_system_value(mode);
+      break;
    case SpvBuiltInInstanceId:
       *location = SYSTEM_VALUE_INSTANCE_ID;
       set_mode_system_value(mode);
-- 
2.30.2