From 564a9e18a7f4aa2787beb75421c6807830369aed Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Thu, 11 Feb 2021 10:33:25 -0500
Subject: [PATCH] zink: lower flrp64 and ffma64 when in softfp64 mode

fixes a bunch of crashes

Reviewed-by: Hoe Hao Cheng <haochengho12907@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8986>
---
 src/gallium/drivers/zink/zink_compiler.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/zink/zink_compiler.c b/src/gallium/drivers/zink/zink_compiler.c
index d69c514025a..999b2f0aefc 100644
--- a/src/gallium/drivers/zink/zink_compiler.c
+++ b/src/gallium/drivers/zink/zink_compiler.c
@@ -234,8 +234,11 @@ zink_screen_init_compiler(struct zink_screen *screen)
    if (!screen->info.feats.features.shaderInt64)
       screen->nir_options.lower_int64_options = ~0;
 
-   if (!screen->info.feats.features.shaderFloat64)
+   if (!screen->info.feats.features.shaderFloat64) {
       screen->nir_options.lower_doubles_options = ~0;
+      screen->nir_options.lower_flrp64 = true;
+      screen->nir_options.lower_ffma64 = true;
+   }
 }
 
 const void *