public HolographicGraphicsPresenter(GraphicsDevice device, PresentationParameters presentationParameters, HolographicSpace holographicSpace) : base(device, presentationParameters) { if (GraphicsDevice.RenderTargetViewAllocator.DescriptorHeap.Description.DescriptorCount != BufferCount) { GraphicsDevice.RenderTargetViewAllocator.Dispose(); GraphicsDevice.RenderTargetViewAllocator = new DescriptorAllocator(GraphicsDevice, DescriptorHeapType.RenderTargetView, descriptorCount: BufferCount); } using (IDXGIDevice dxgiDevice = GraphicsDevice.NativeDirect3D11Device.QueryInterface <IDXGIDevice>()) { IDirect3DDevice direct3DInteropDevice = Direct3DInterop.CreateDirect3DDevice(dxgiDevice); HolographicSpace = holographicSpace; HolographicSpace.SetDirect3D11Device(direct3DInteropDevice); } HolographicDisplay = HolographicDisplay.GetDefault(); SpatialStationaryFrameOfReference = HolographicDisplay.SpatialLocator.CreateStationaryFrameOfReferenceAtCurrentLocation(); HolographicFrame = HolographicSpace.CreateNextFrame(); HolographicSurface = HolographicFrame.GetRenderingParameters(HolographicFrame.CurrentPrediction.CameraPoses[0]).Direct3D11BackBuffer; HolographicBackBuffer = GetHolographicBackBuffer(); renderTarget = CreateRenderTarget(); direct3D11RenderTarget = CreateDirect3D11RenderTarget(); }