[d3d11] Overwatch: Fake success in CreateGeometryShaderWithStreamOutput

src/d3d11/d3d11_device.cpp

@@ -1115,7 +1115,10 @@ namespace dxvk {
           ID3D11GeometryShader**      ppGeometryShader) {
     InitReturnPtr(ppGeometryShader);
     Logger::err("D3D11Device::CreateGeometryShaderWithStreamOutput: Not implemented");
-    return E_NOTIMPL;
+    
+    // Returning S_OK instead of an error fixes some issues
+    // with Overwatch until this is properly implemented
+    return m_d3d11Options.test(D3D11Option::FakeStreamOutSupport) ? S_OK : E_NOTIMPL;
   }
   
   

src/d3d11/d3d11_options.cpp

@@ -7,6 +7,7 @@ namespace dxvk {
   const static std::unordered_map<std::string, D3D11OptionSet> g_d3d11AppOptions = {{
     { "Dishonored2.exe", D3D11OptionSet(D3D11Option::AllowMapFlagNoWait)           },
     { "Fallout4.exe",    D3D11OptionSet(D3D11Option::DisableGetDataFlagDoNotFlush) },
+    { "Overwatch.exe",   D3D11OptionSet(D3D11Option::FakeStreamOutSupport)         },
   }};
   
   

src/d3d11/d3d11_options.h

@@ -23,6 +23,16 @@ namespace dxvk {
      * when passing the \c DONOTFLUSH flag.
      */
     DisableGetDataFlagDoNotFlush = 1,
+    
+    /**
+     * \brief Fakes stream output support
+     * 
+     * Temporary hack that fixes issues in some games
+     * which technically need stream output but work
+     * well enough without it. Will be removed once
+     * Stream Output is properly supported in DXVK.
+     */
+    FakeStreamOutSupport = 63,
   };
   
   using D3D11OptionSet = Flags<D3D11Option>;