From a9f408bd5214ff7a6698099f08ddec2063d21d4d Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Wed, 20 Sep 2023 12:46:13 +0200
Subject: [PATCH] rusticl/mesa: fix `set_constant_buffer` when passing an empty
 buffer

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25303>
---
 src/gallium/frontends/rusticl/mesa/pipe/context.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/frontends/rusticl/mesa/pipe/context.rs b/src/gallium/frontends/rusticl/mesa/pipe/context.rs
index 13d6589..70814d7 100644
--- a/src/gallium/frontends/rusticl/mesa/pipe/context.rs
+++ b/src/gallium/frontends/rusticl/mesa/pipe/context.rs
@@ -389,7 +389,7 @@ impl PipeContext {
                 pipe_shader_type::PIPE_SHADER_COMPUTE,
                 idx,
                 false,
-                &cb,
+                if data.is_empty() { ptr::null() } else { &cb },
             )
         }
     }
-- 
2.7.4