[dxvk] Define IDXVKUserDefinedAnnotation

Something common to share for perf markers between D3D9 and D3D11.

Inherits from the public D3D11 interface.

src/dxvk/dxvk_annotation.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <d3d11_1.h>
+#include <d3d9.h>
+
+MIDL_INTERFACE("7f2c2f72-1cc8-4979-8d9c-7e3faeddecde")
+IDXVKUserDefinedAnnotation : public ID3DUserDefinedAnnotation {
+
+public:
+
+  INT STDMETHODCALLTYPE BeginEvent(
+          LPCWSTR                 Name) final {
+    return this->BeginEvent(0, Name);
+  }
+
+  void STDMETHODCALLTYPE SetMarker(
+          LPCWSTR                 Name) final {
+    this->SetMarker(0, Name);
+  }
+
+  virtual INT STDMETHODCALLTYPE BeginEvent(
+          D3DCOLOR                Color,
+          LPCWSTR                 Name) = 0;
+
+  virtual void STDMETHODCALLTYPE SetMarker(
+          D3DCOLOR                Color,
+          LPCWSTR                 Name) = 0;
+
+};
+
+#ifdef _MSC_VER
+struct __declspec(uuid("7f2c2f72-1cc8-4979-8d9c-7e3faeddecde")) IDXVKUserDefinedAnnotation;
+#else
+__CRT_UUID_DECL(IDXVKUserDefinedAnnotation, 0x7f2c2f72,0x1cc8,0x4979,0x8d,0x9c,0x7e,0x3f,0xae,0xdd,0xec,0xde);
+#endif