From bc853d0e48925c78293d4fd4229b8ada798da2a5 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Wed, 18 Sep 2019 13:15:22 +0200
Subject: [PATCH] [d3d11] Only use mapped buffer for images if bind flags are
 non-zero

We really shouldn't use the intermediate buffer for DYNAMIC images
that can only ever be used for copy commands, since the copies will
be redundant.
---
 src/d3d11/d3d11_texture.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/d3d11/d3d11_texture.cpp b/src/d3d11/d3d11_texture.cpp
index d588ccf8..45839c6c 100644
--- a/src/d3d11/d3d11_texture.cpp
+++ b/src/d3d11/d3d11_texture.cpp
@@ -415,6 +415,7 @@ namespace dxvk {
     //    writing the image to device-local image may be more efficient than
     //    reading its contents from host-visible memory.
     if (m_desc.Usage         == D3D11_USAGE_DYNAMIC
+     && m_desc.BindFlags     != 0
      && m_desc.TextureLayout != D3D11_TEXTURE_LAYOUT_ROW_MAJOR)
       return D3D11_COMMON_TEXTURE_MAP_MODE_BUFFER;