[Mesa-stable] [PATCH 4/4] nir/spirv: Make gl_PrimitiveId a system value

[Jason Ekstrand]

Before, we were treating it as an output which is just completely bogus.
We could go for an input but a system value makes more sense.

Cc: "13.0" <mesa-stable at lists.freedesktop.org>
---
 src/compiler/spirv/vtn_variables.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index bbcca14..a4d5367 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -806,8 +806,8 @@ vtn_get_builtin_location(struct vtn_builder *b,
       set_mode_system_value(mode);
       break;
    case SpvBuiltInPrimitiveId:
-      *location = VARYING_SLOT_PRIMITIVE_ID;
-      *mode = nir_var_shader_out;
+      *location = SYSTEM_VALUE_PRIMITIVE_ID;
+      set_mode_system_value(mode);
       break;
    case SpvBuiltInInvocationId:
       *location = SYSTEM_VALUE_INVOCATION_ID;
-- 
2.5.0.400.gff86faf