From 146e843254e4b42d5f13d744676b4897c78f86d9 Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Thu, 17 Jul 2025 02:47:29 +0200
Subject: [PATCH] zink: disallow intensity buffer images

Fixes: 475c43cf8a7 ("zink: translate intensity formats")
Acked-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36199>
---
 src/gallium/drivers/zink/zink_screen.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index e1871b0ea1c..b1c7e5c3d4a 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -1363,6 +1363,11 @@ zink_is_format_supported(struct pipe_screen *pscreen,
          }
       }
 
+      /* We can't swizzle buffer views */
+      if (bind & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_SHADER_IMAGE) &&
+          util_format_is_intensity(format))
+          return false;
+
       if (bind & PIPE_BIND_SAMPLER_VIEW &&
          !(props->bufferFeatures & VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT))
             return false;