From e03d23ddc93917c6cfd43c6debd84fdf2b11cae9 Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Thu, 17 Jul 2025 11:38:48 +0200
Subject: [PATCH] zink: disable shader images for intensity formats

Vulkan only allows identity remapping on storage images descriptors.

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 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index b1c7e5c3d4a..93bdd325299 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -1408,6 +1408,10 @@ zink_is_format_supported(struct pipe_screen *pscreen,
       if (bind & PIPE_BIND_SHADER_IMAGE &&
           !(props->optimalTilingFeatures & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT))
          return false;
+
+      /* Can't swizzle storage images. */
+      if (bind & PIPE_BIND_SHADER_IMAGE && util_format_is_intensity(format))
+         return false;
    }
 
    return true;