From 7e4ee9bd2f6078ea2eded871c00cb9df12ff442d Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@collabora.com>
Date: Thu, 6 May 2021 16:48:31 -0400
Subject: [PATCH] pan/bi: Map load_subgroup_invocation to FAU

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10022>
---
 src/panfrost/bifrost/bifrost_compile.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c
index d39860f..5d6861f 100644
--- a/src/panfrost/bifrost/bifrost_compile.c
+++ b/src/panfrost/bifrost/bifrost_compile.c
@@ -1212,6 +1212,10 @@ bi_emit_intrinsic(bi_builder *b, nir_intrinsic_instr *instr)
                 bi_mov_i32_to(b, dst, bi_register(62));
                 break;
 
+        case nir_intrinsic_load_subgroup_invocation:
+                bi_mov_i32_to(b, dst, bi_fau(BIR_FAU_LANE_ID, false));
+                break;
+
         case nir_intrinsic_load_local_invocation_id:
                 for (unsigned i = 0; i < 3; ++i)
                         bi_u16_to_u32_to(b, bi_word(dst, i),
-- 
2.7.4