From 87ecdd4eff07e563bf8eed8706c5ee96183ff3b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcin=20=C5=9Alusarz?= <marcin.slusarz@intel.com>
Date: Fri, 6 Aug 2021 15:27:52 +0200
Subject: [PATCH] glsl: preserve all metadata when
 lower_buffer_interface_derefs doesn't make progress
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Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13189>
---
 src/compiler/glsl/gl_nir_lower_buffers.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/glsl/gl_nir_lower_buffers.c b/src/compiler/glsl/gl_nir_lower_buffers.c
index b0ce128c196..06460ad6a54 100644
--- a/src/compiler/glsl/gl_nir_lower_buffers.c
+++ b/src/compiler/glsl/gl_nir_lower_buffers.c
@@ -320,6 +320,8 @@ lower_buffer_interface_derefs_impl(nir_function_impl *impl,
    if (progress) {
       nir_metadata_preserve(impl, nir_metadata_block_index |
                                   nir_metadata_dominance);
+   } else {
+      nir_metadata_preserve(impl, nir_metadata_all);
    }
 
    return progress;