From 252a89a2c9c6ecce734fb1fc3e2c83ab2a3c847e Mon Sep 17 00:00:00 2001
From: Jesse Natalie <jenatali@microsoft.com>
Date: Fri, 28 Jan 2022 12:55:29 -0800
Subject: [PATCH] d3d12: Set lower full fp64 compiler options flag when needed

Reviewed-by: Bill Kristiansen <billkris@microsoft.com>
Reviewed-By: Sil Vilerino <sivileri@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14837>
---
 src/gallium/drivers/d3d12/d3d12_screen.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/d3d12/d3d12_screen.cpp b/src/gallium/drivers/d3d12/d3d12_screen.cpp
index 17a48b07c0e..43d58b861a3 100644
--- a/src/gallium/drivers/d3d12/d3d12_screen.cpp
+++ b/src/gallium/drivers/d3d12/d3d12_screen.cpp
@@ -1235,6 +1235,9 @@ d3d12_init_screen(struct d3d12_screen *screen, struct sw_winsys *winsys, IUnknow
       screen->nir_options.lower_int64_options = (nir_lower_int64_options)~0;
    }
 
+   if (!screen->opts.DoublePrecisionFloatShaderOps)
+      screen->nir_options.lower_doubles_options = (nir_lower_doubles_options)~0;
+
    return true;
 
 failed: