/// <summary> /// Checks if given DirectX12 backend is supported. /// </summary> /// <returns>True if supported, false otherwise.</returns> public static bool IsSupported() { if (s_isSupported.HasValue) { return(s_isSupported.Value); } if (Platform.PlatformType != PlatformType.Windows && Platform.PlatformType != PlatformType.UWP && Platform.PlatformType != PlatformType.XboxOne) { s_isSupported = false; return(false); } if (CreateDXGIFactory1(out IDXGIFactory1 tempDXGIFactory1).Failure) { s_isSupported = false; return(false); } var adapters = tempDXGIFactory1.EnumAdapters1(); for (var i = 0; i < adapters.Length; i++) { var adapter = adapters[i]; var desc = adapter.Description1; // Don't select the Basic Render Driver adapter. if ((desc.Flags & AdapterFlags.Software) != AdapterFlags.None) { continue; } if (ID3D12Device.IsSupported(adapter, FeatureLevel.Level_11_0)) { s_isSupported = true; return(true); } } s_isSupported = true; return(true); }
public static bool IsSupported() { return(ID3D12Device.IsSupported(null, FeatureLevel.Level_11_0)); }
public static bool IsSupported() { return(ID3D12Device.IsSupported(null, Vortice.DirectX.Direct3D.FeatureLevel.Level_11_0)); }
protected Application(bool useDirect3D12) { _wndProc = ProcessWindowMessage; var wndClassEx = new WNDCLASSEX { Size = Unsafe.SizeOf <WNDCLASSEX>(), Styles = WindowClassStyles.CS_HREDRAW | WindowClassStyles.CS_VREDRAW | WindowClassStyles.CS_OWNDC, WindowProc = _wndProc, InstanceHandle = HInstance, CursorHandle = LoadCursor(IntPtr.Zero, SystemCursor.IDC_ARROW), BackgroundBrushHandle = IntPtr.Zero, IconHandle = IntPtr.Zero, ClassName = WndClassName, }; var atom = RegisterClassEx(ref wndClassEx); if (atom == 0) { throw new InvalidOperationException( $"Failed to register window class. Error: {Marshal.GetLastWin32Error()}" ); } Window = new Window("Vortice", 800, 600); if (useDirect3D12 && !ID3D12Device.IsSupported(null, FeatureLevel.Level_11_0)) { useDirect3D12 = false; } var debugFactory = false; #if DEBUG if (useDirect3D12) { if (D3D12GetDebugInterface <ID3D12Debug>(out var debug).Success) { debug.EnableDebugLayer(); debugFactory = true; } } #endif if (useDirect3D12) { if (CreateDXGIFactory2(debugFactory, out IDXGIFactory4 dxgiFactory4).Failure) { throw new InvalidOperationException("Cannot create IDXGIFactory4"); } _dxgiFactory = dxgiFactory4; } else { if (CreateDXGIFactory2(debugFactory, out _dxgiFactory).Failure) { throw new InvalidOperationException("Cannot create IDXGIFactory4"); } } if (useDirect3D12) { Debug.Assert(D3D12CreateDevice(null, FeatureLevel.Level_11_0, out _d3d12Device).Success); _d3d12CommandQueue = _d3d12Device.CreateCommandQueue(new CommandQueueDescription(CommandListType.Direct, CommandQueuePriority.Normal)); } else { var featureLevels = new FeatureLevel[] { FeatureLevel.Level_11_1, FeatureLevel.Level_11_0 }; Debug.Assert(ID3D11Device.TryCreate( null, DriverType.Hardware, DeviceCreationFlags.BgraSupport, featureLevels, out _d3d11Device, out _d3d11DeviceContext).Success); } var swapChainDesc = new SwapChainDescription1 { BufferCount = FrameCount, Width = Window.Width, Height = Window.Height, Format = Format.B8G8R8A8_UNorm, Usage = Vortice.Usage.RenderTargetOutput, SwapEffect = SwapEffect.FlipDiscard, SampleDescription = new SampleDescription(1, 0) }; SwapChain = DXGIFactory.CreateSwapChainForHwnd(_d3d12CommandQueue, Window.Handle, swapChainDesc); DXGIFactory.MakeWindowAssociation(Window.Handle, WindowAssociationFlags.IgnoreAltEnter); if (useDirect3D12) { SwapChain3 = SwapChain.QueryInterface <IDXGISwapChain3>(); _frameIndex = SwapChain3.GetCurrentBackBufferIndex(); } _rtvHeap = _d3d12Device.CreateDescriptorHeap(new DescriptorHeapDescription(DescriptorHeapType.RenderTargetView, FrameCount)); _rtvDescriptorSize = _d3d12Device.GetDescriptorHandleIncrementSize(DescriptorHeapType.RenderTargetView); // Create frame resources. { var rtvHandle = _rtvHeap.GetCPUDescriptorHandleForHeapStart(); // Create a RTV for each frame. _renderTargets = new ID3D12Resource[FrameCount]; for (var i = 0; i < FrameCount; i++) { _renderTargets[i] = SwapChain.GetBuffer <ID3D12Resource>(i); _d3d12Device.CreateRenderTargetView(_renderTargets[i], null, rtvHandle); rtvHandle += _rtvDescriptorSize; } } _commandAllocator = _d3d12Device.CreateCommandAllocator(CommandListType.Direct); _commandList = _d3d12Device.CreateCommandList(CommandListType.Direct, _commandAllocator); _commandList.Close(); // Create synchronization objects. _d3d12Fence = _d3d12Device.CreateFence(0); _fenceValue = 1; _fenceEvent = new AutoResetEvent(false); }