From d11a417ded1c2ed5a8fc1a7162488ff73065eca7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Louis-Francis=20Ratt=C3=A9-Boulianne?= <lfrb@collabora.com>
Date: Tue, 9 Nov 2021 22:54:57 -0500
Subject: [PATCH] microsoft/spirv_to_dxil: lower input attachments

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14765>
---
 src/microsoft/spirv_to_dxil/spirv_to_dxil.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/microsoft/spirv_to_dxil/spirv_to_dxil.c b/src/microsoft/spirv_to_dxil/spirv_to_dxil.c
index 50dda8d5f31..3c9e0580502 100644
--- a/src/microsoft/spirv_to_dxil/spirv_to_dxil.c
+++ b/src/microsoft/spirv_to_dxil/spirv_to_dxil.c
@@ -336,6 +336,14 @@ spirv_to_dxil(const uint32_t *words, size_t word_count,
             conf->runtime_data_cbv.register_space,
             conf->runtime_data_cbv.base_shader_register);
 
+   if (stage == MESA_SHADER_FRAGMENT) {
+      NIR_PASS_V(nir, nir_lower_input_attachments,
+                 &(nir_input_attachment_options){
+                     .use_fragcoord_sysval = false,
+                     .use_layer_id_sysval = true,
+                 });
+   }
+
    NIR_PASS_V(nir, nir_opt_deref);
 
    if (conf->read_only_images_as_srvs) {