zink: add depth/stencil needs shader swizzle workaround field

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21571>

src/gallium/drivers/zink/zink_screen.c

@@ -2514,6 +2514,18 @@ init_driver_workarounds(struct zink_screen *screen)
       screen->driver_workarounds.needs_sanitised_layer = false;
       break;
    }
+   /* these drivers will produce undefined results when using swizzle 1 with combined z/s textures
+    * TODO: use a future device property when available
+    */
+   switch (screen->info.driver_props.driverID) {
+   case VK_DRIVER_ID_IMAGINATION_PROPRIETARY:
+   case VK_DRIVER_ID_IMAGINATION_OPEN_SOURCE_MESA:
+      screen->driver_workarounds.needs_zs_shader_swizzle = true;
+      break;
+   default:
+      screen->driver_workarounds.needs_zs_shader_swizzle = false;
+      break;
+   }
 
    /* When robust contexts are advertised but robustImageAccess2 is not available */
    screen->driver_workarounds.lower_robustImageAccess2 =
@@ -3037,7 +3049,8 @@ zink_internal_create_screen(const struct pipe_screen_config *config)
                           !screen->driver_workarounds.no_linesmooth &&
                           !screen->driver_workarounds.no_hw_gl_point &&
                           !screen->driver_workarounds.lower_robustImageAccess2 &&
-                          !screen->driconf.emulate_point_smooth;
+                          !screen->driconf.emulate_point_smooth &&
+                          !screen->driver_workarounds.needs_zs_shader_swizzle;
    if (!screen->optimal_keys)
       screen->info.have_EXT_graphics_pipeline_library = false;
 

src/gallium/drivers/zink/zink_types.h

@@ -1413,6 +1413,7 @@ struct zink_screen {
       bool no_linesmooth;
       bool no_hw_gl_point;
       bool lower_robustImageAccess2;
+      bool needs_zs_shader_swizzle;
       unsigned z16_unscaled_bias;
       unsigned z24_unscaled_bias;
       unsigned extra_swapchain_images;