internal D3D12GraphicsDevice(D3D12GraphicsAdapter graphicsAdapter, IGraphicsSurface graphicsSurface, int graphicsContextCount)
: base(graphicsAdapter, graphicsSurface)
{
_idleGraphicsFence = new D3D12GraphicsFence(this);
_d3d12CommandQueue = new ValueLazy <Pointer <ID3D12CommandQueue> >(CreateD3D12CommandQueue);
_d3d12Device = new ValueLazy <Pointer <ID3D12Device> >(CreateD3D12Device);
_d3d12RenderTargetDescriptorHeap = new ValueLazy <Pointer <ID3D12DescriptorHeap> >(CreateD3D12RenderTargetDescriptorHeap);
_dxgiSwapChain = new ValueLazy <Pointer <IDXGISwapChain3> >(CreateDxgiSwapChain);
_graphicsContexts = CreateGraphicsContexts(this, graphicsContextCount);
_ = _state.Transition(to: Initialized);
WaitForIdleGraphicsFence.Reset();
graphicsSurface.SizeChanged += OnGraphicsSurfaceSizeChanged;
internal D3D12GraphicsDevice(D3D12GraphicsAdapter adapter, IGraphicsSurface surface, int contextCount)
: base(adapter, surface)
{
_idleFence = new D3D12GraphicsFence(this);
_d3d12CommandQueue = new ValueLazy <Pointer <ID3D12CommandQueue> >(CreateD3D12CommandQueue);
_d3d12Device = new ValueLazy <Pointer <ID3D12Device> >(CreateD3D12Device);
_d3d12Options = new ValueLazy <D3D12_FEATURE_DATA_D3D12_OPTIONS>(GetD3D12Options);
_d3d12RenderTargetDescriptorHeap = new ValueLazy <Pointer <ID3D12DescriptorHeap> >(CreateD3D12RenderTargetDescriptorHeap);
_dxgiSwapChain = new ValueLazy <Pointer <IDXGISwapChain3> >(CreateDxgiSwapChain);
_memoryAllocator = new ValueLazy <D3D12GraphicsMemoryAllocator>(CreateMemoryAllocator);
_cbvSrvUavDescriptorHandleIncrementSize = new ValueLazy <uint>(GetCbvSrvUavDescriptorHandleIncrementSize);
_contexts = CreateContexts(this, contextCount);
_ = _state.Transition(to: Initialized);
WaitForIdleGraphicsFence.Reset();
surface.SizeChanged += OnGraphicsSurfaceSizeChanged;