template project, first version

Effects11/IUnknownImp.h

@@ -0,0 +1,57 @@
+//--------------------------------------------------------------------------------------
+// File: IUnknownImp.h
+//
+// Direct3D 11 Effects Helper for COM interop
+//
+// Lifetime for most Effects objects is based on the the lifetime of the master
+// effect, so the reference count is not used.
+//
+// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
+// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
+// PARTICULAR PURPOSE.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+//
+// http://go.microsoft.com/fwlink/p/?LinkId=271568
+//--------------------------------------------------------------------------------------
+
+#pragma once
+
+#define IUNKNOWN_IMP(Class, Interface, BaseInterface) \
+ \
+HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, _COM_Outptr_ LPVOID *ppv) override \
+{ \
+    if( !ppv ) \
+        return E_INVALIDARG; \
+ \
+    *ppv = nullptr; \
+    if(IsEqualIID(iid, IID_IUnknown)) \
+    { \
+        *ppv = (IUnknown*)((Interface*)this); \
+    } \
+    else if(IsEqualIID(iid, IID_##Interface)) \
+    { \
+        *ppv = (Interface *)this; \
+    } \
+    else if(IsEqualIID(iid, IID_##BaseInterface)) \
+    { \
+        *ppv = (BaseInterface *)this; \
+    } \
+    else \
+    { \
+        return E_NOINTERFACE; \
+    } \
+ \
+    return S_OK; \
+} \
+ \
+ULONG STDMETHODCALLTYPE AddRef() override \
+{ \
+    return 1; \
+} \
+ \
+ULONG STDMETHODCALLTYPE Release() override \
+{ \
+    return 0; \
+}