From 94e0091190f3c01f3277f3224cda9277e6727ea6 Mon Sep 17 00:00:00 2001
From: Jesse Natalie <jenatali@microsoft.com>
Date: Thu, 8 Feb 2024 09:07:13 -0800
Subject: [PATCH] microsoft/compiler: Only use simplified subgroup ID algorithm
 for compute

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27528>
---
 src/microsoft/compiler/dxil_nir.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/microsoft/compiler/dxil_nir.c b/src/microsoft/compiler/dxil_nir.c
index 987e887d80f..dbefc910199 100644
--- a/src/microsoft/compiler/dxil_nir.c
+++ b/src/microsoft/compiler/dxil_nir.c
@@ -1931,7 +1931,8 @@ lower_subgroup_id(nir_builder *b, nir_intrinsic_instr *intr, void *data)
       return false;
 
    b->cursor = nir_before_impl(b->impl);
-   if (b->shader->info.workgroup_size[1] == 1 &&
+   if (b->shader->info.stage == MESA_SHADER_COMPUTE &&
+       b->shader->info.workgroup_size[1] == 1 &&
        b->shader->info.workgroup_size[2] == 1) {
       /* When using Nx1x1 groups, use a simple stable algorithm
        * which is almost guaranteed to be correct. */