[idd] initial indirect driver with Looking Glass monitor

idd/LGIdd/CIndirectMonitorContext.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <Windows.h>
+#include <wdf.h>
+#include <IddCx.h>
+
+#include <memory>
+#include "CSwapChainProcessor.h"
+
+class CIndirectMonitorContext
+{
+protected:
+  IDDCX_MONITOR m_monitor;
+  std::unique_ptr<CSwapChainProcessor> m_thread;
+
+public:
+  CIndirectMonitorContext(_In_ IDDCX_MONITOR monitor);
+
+  virtual ~CIndirectMonitorContext();
+  
+  void AssignSwapChain(IDDCX_SWAPCHAIN swapChain, LUID renderAdapter, HANDLE newFrameEvent);
+  void UnassignSwapChain();
+};
+
+struct CIndirectMonitorContextWrapper
+{
+  CIndirectMonitorContext* context;
+
+  void Cleanup()
+  {
+    delete context;
+    context = nullptr;
+  }
+};
+
+WDF_DECLARE_CONTEXT_TYPE(CIndirectMonitorContextWrapper);