From c7472de858f4a5ab260dc0929366450e59ce0a94 Mon Sep 17 00:00:00 2001
From: Faith Ekstrand <faith.ekstrand@collabora.com>
Date: Thu, 19 Mar 2026 12:12:57 -0400
Subject: [PATCH] nak: Add support for load_primitive_id

Reviewed-by: Mary Guillemard <mary@mary.zone>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40512>
---
 src/nouveau/compiler/nak_nir_lower_fs_inputs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/nouveau/compiler/nak_nir_lower_fs_inputs.c b/src/nouveau/compiler/nak_nir_lower_fs_inputs.c
index 949e1f16798..a71f16cb79a 100644
--- a/src/nouveau/compiler/nak_nir_lower_fs_inputs.c
+++ b/src/nouveau/compiler/nak_nir_lower_fs_inputs.c
@@ -210,7 +210,8 @@ lower_fs_input_intrin(nir_builder *b, nir_intrinsic_instr *intrin, void *data)
    }
 
    case nir_intrinsic_load_front_face:
-   case nir_intrinsic_load_layer_id: {
+   case nir_intrinsic_load_layer_id:
+   case nir_intrinsic_load_primitive_id: {
       assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
       const gl_system_value sysval =
          nir_system_value_from_intrinsic(intrin->intrinsic);