From f4f4f3647f30c9f401bd4b04eb38869e400b70f1 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 20 Dec 2022 02:12:44 +0100
Subject: [PATCH] [d3d11] Do not create storage image views with swizzle

This happens when a game uses A8_UNORM UAVs. Vulkan doesn't allow this,
and it's not meaningful for stores anyway, we'd need shader emulation.
---
 src/d3d11/d3d11_view_uav.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/d3d11/d3d11_view_uav.cpp b/src/d3d11/d3d11_view_uav.cpp
index 562626acd..51a7ceddd 100644
--- a/src/d3d11/d3d11_view_uav.cpp
+++ b/src/d3d11/d3d11_view_uav.cpp
@@ -59,9 +59,11 @@ namespace dxvk {
       DxvkImageViewCreateInfo viewInfo;
       viewInfo.format  = formatInfo.Format;
       viewInfo.aspect  = formatInfo.Aspect;
-      viewInfo.swizzle = formatInfo.Swizzle;
       viewInfo.usage   = VK_IMAGE_USAGE_STORAGE_BIT;
-      
+
+      if (!util::isIdentityMapping(formatInfo.Swizzle))
+        Logger::warn(str::format("UAV format ", pDesc->Format, " has non-identity swizzle, but UAV swizzles are not supported"));
+
       switch (pDesc->ViewDimension) {
         case D3D11_UAV_DIMENSION_TEXTURE1D:
           viewInfo.type      = VK_IMAGE_VIEW_TYPE_1D;