From 3322da4b94d309132244f97c3a2028660b7f6cd4 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Fri, 24 Jul 2020 12:24:49 +0200
Subject: [PATCH] [dxgi] Add DXGIGetDebugInterface1 stub

Required for Metro Exodus. Also exports the DXGI entry points
with their correct ordinals.
---
 src/dxgi/dxgi.def      |  9 +++++----
 src/dxgi/dxgi_main.cpp | 10 ++++++++++
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/dxgi/dxgi.def b/src/dxgi/dxgi.def
index 39417b5fb..c5509571b 100644
--- a/src/dxgi/dxgi.def
+++ b/src/dxgi/dxgi.def
@@ -1,6 +1,7 @@
 LIBRARY DXGI.DLL
 EXPORTS  
-    CreateDXGIFactory
-    CreateDXGIFactory1
-    CreateDXGIFactory2
-    DXGIDeclareAdapterRemovalSupport
+    CreateDXGIFactory @9
+    CreateDXGIFactory1 @10
+    CreateDXGIFactory2 @11
+    DXGIDeclareAdapterRemovalSupport @16
+    DXGIGetDebugInterface1 @17
diff --git a/src/dxgi/dxgi_main.cpp b/src/dxgi/dxgi_main.cpp
index 0d09f0433..17530f53e 100644
--- a/src/dxgi/dxgi_main.cpp
+++ b/src/dxgi/dxgi_main.cpp
@@ -44,4 +44,14 @@ extern "C" {
     dxvk::Logger::warn("DXGIDeclareAdapterRemovalSupport: Stub");
     return S_OK;
   }
+
+  DLLEXPORT HRESULT __stdcall DXGIGetDebugInterface1(UINT Flags, REFIID riid, void **ppDebug) {
+    static bool errorShown = false;
+
+    if (!std::exchange(errorShown, true))
+      dxvk::Logger::warn("DXGIGetDebugInterface1: Stub");
+
+    return E_NOINTERFACE;
+  }
+
 }
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