From c9d61e16d9c9616543e43202a72714f6c554484e Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Fri, 28 Sep 2018 19:39:52 +0200
Subject: [PATCH] [d3d11] Skip ResolveSubresource when dst and src resource are
 the same

Fixes black screen issue in Mortal Kombat X (#670).
---
 src/d3d11/d3d11_context.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/d3d11/d3d11_context.cpp b/src/d3d11/d3d11_context.cpp
index 6b70cc172..735686762 100644
--- a/src/d3d11/d3d11_context.cpp
+++ b/src/d3d11/d3d11_context.cpp
@@ -1146,7 +1146,10 @@ namespace dxvk {
           ID3D11Resource*                   pSrcResource,
           UINT                              SrcSubresource,
           DXGI_FORMAT                       Format) {
-    if (!pDstResource || !pSrcResource)
+    bool isSameSubresource = pDstResource   == pSrcResource
+                          && DstSubresource == SrcSubresource;
+    
+    if (!pDstResource || !pSrcResource || isSameSubresource)
       return;
     
     D3D11_RESOURCE_DIMENSION dstResourceType;