From 00288d4f53fa792b3931437bcd2810290bc18441 Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Thu, 23 Feb 2023 16:25:17 -0500
Subject: [PATCH] zink: delete dead uniform variables

this just obfuscate nir, so delete them now

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21522>
---
 src/gallium/drivers/zink/zink_compiler.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_compiler.c b/src/gallium/drivers/zink/zink_compiler.c
index a81b7808320..0e3371b55fa 100644
--- a/src/gallium/drivers/zink/zink_compiler.c
+++ b/src/gallium/drivers/zink/zink_compiler.c
@@ -4445,6 +4445,10 @@ zink_shader_create(struct zink_screen *screen, struct nir_shader *nir,
                else
                   ret->bindings[ztype][ret->num_bindings[ztype]].size = 1;
                ret->num_bindings[ztype]++;
+            } else if (var->data.mode == nir_var_uniform) {
+               /* this is a dead uniform */
+               var->data.mode = 0;
+               exec_node_remove(&var->node);
             }
          }
       }