From 7de0d93fcd660e3770b03f77a2674df2977c059c Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Fri, 18 Dec 2020 12:29:27 +1000
Subject: [PATCH] llvmpipe: enable lower device id to zero

this is to support vulkan device group

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviweed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8154>
---
 src/gallium/drivers/llvmpipe/lp_screen.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index a76aa8d8c34..69b35b8a74d 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -581,6 +581,7 @@ static const struct nir_shader_compiler_options gallivm_nir_options = {
    .lower_cs_local_index_from_id = true,
    .lower_uniforms_to_ubo = true,
    .lower_vector_cmp = true,
+   .lower_device_index_to_zero = true,
 };
 
 static void