From fc91fe1d3417656721132b0dc4c2558407b95ba0 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Mon, 9 Dec 2019 23:27:56 +0100
Subject: [PATCH] [dxgi] Add fake implementation of
 DxgiFactory::EnumWarpAdapter

Apparently FIFA 19 needs this.
---
 src/dxgi/dxgi_factory.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/dxgi/dxgi_factory.cpp b/src/dxgi/dxgi_factory.cpp
index 061fbd754..7d61f34ff 100644
--- a/src/dxgi/dxgi_factory.cpp
+++ b/src/dxgi/dxgi_factory.cpp
@@ -228,8 +228,18 @@ namespace dxvk {
           void**                ppvAdapter) {
     InitReturnPtr(ppvAdapter);
 
-    Logger::err("DxgiFactory::EnumWarpAdapter: Not implemented");
-    return E_NOTIMPL;
+    static bool s_errorShown = false;
+
+    if (!std::exchange(s_errorShown, true))
+      Logger::warn("DxgiFactory::EnumWarpAdapter: WARP not supported, returning first hardware adapter");
+
+    Com<IDXGIAdapter1> adapter;
+    HRESULT hr = EnumAdapters1(0, &adapter);
+
+    if (FAILED(hr))
+      return hr;
+
+    return adapter->QueryInterface(riid, ppvAdapter);
   }