public D3D11GraphicsDevice(D3D11DeviceOptions options, SwapchainDescription?swapchainDesc)
{
var flags = (DeviceCreationFlags)options.DeviceCreationFlags;
#if DEBUG
flags |= DeviceCreationFlags.Debug;
#endif
// If debug flag set but SDK layers aren't available we can't enable debug.
if (0 != (flags & DeviceCreationFlags.Debug) && !Vortice.Direct3D11.D3D11.SdkLayersAvailable())
{
flags &= ~DeviceCreationFlags.Debug;
}
try
{
if (options.AdapterPtr != IntPtr.Zero)
{
_dxgiAdapter = new IDXGIAdapter(options.AdapterPtr);
Vortice.Direct3D11.D3D11.D3D11CreateDevice(_dxgiAdapter,
Vortice.Direct3D.DriverType.Hardware,
flags,
new[]
{
Vortice.Direct3D.FeatureLevel.Level_11_1,
Vortice.Direct3D.FeatureLevel.Level_11_0,
},
out _device).CheckError();
}
else
{
Vortice.Direct3D11.D3D11.D3D11CreateDevice(null,
Vortice.Direct3D.DriverType.Hardware,
flags,
new[]
{
Vortice.Direct3D.FeatureLevel.Level_11_1,
Vortice.Direct3D.FeatureLevel.Level_11_0,
},
out _device).CheckError();
}
}
catch
{
Vortice.Direct3D11.D3D11.D3D11CreateDevice(null,
Vortice.Direct3D.DriverType.Hardware,
flags,
null,
out _device).CheckError();
}
using (var dxgiDevice = _device.QueryInterface <Vortice.DXGI.IDXGIDevice>())
{
// Store a pointer to the DXGI adapter.
// This is for the case of no preferred DXGI adapter, or fallback to WARP.
_dxgiAdapter = dxgiDevice.Adapter;
}
if (swapchainDesc != null)
{
SwapchainDescription desc = swapchainDesc.Value;
_mainSwapchain = new D3D11Swapchain(_device, ref desc);
}
_immediateContext = _device.ImmediateContext;
_device.CheckThreadingSupport(out _supportsConcurrentResources, out _supportsCommandLists);
Features = new GraphicsDeviceFeatures(
computeShader: true,
geometryShader: true,
tessellationShaders: true,
multipleViewports: true,
samplerLodBias: true,
drawBaseVertex: true,
drawBaseInstance: true,
drawIndirect: true,
drawIndirectBaseInstance: true,
fillModeWireframe: true,
samplerAnisotropy: true,
depthClipDisable: true,
texture1D: true,
independentBlend: true,
structuredBuffer: true,
subsetTextureView: true,
commandListDebugMarkers: _device.FeatureLevel >= Vortice.Direct3D.FeatureLevel.Level_11_1,
bufferRangeBinding: _device.FeatureLevel >= Vortice.Direct3D.FeatureLevel.Level_11_1,
shaderFloat64: _device.CheckFeatureSupport <FeatureDataDoubles>(Vortice.Direct3D11.Feature.Doubles).DoublePrecisionFloatShaderOps);
_d3d11ResourceFactory = new D3D11ResourceFactory(this);
_d3d11Info = new BackendInfoD3D11(this);
PostDeviceCreated();
}
public DeviceD3D11(IDXGIFactory1 factory, bool validation)
{
DXGIFactory = factory;
var adapters = DXGIFactory.EnumAdapters1();
for (var i = 0; i < adapters.Length; i++)
{
var adapter = adapters[0];
var desc = adapter.Description1;
// Don't select the Basic Render Driver adapter.
if ((desc.Flags & AdapterFlags.Software) != AdapterFlags.None)
{
continue;
}
var creationFlags = DeviceCreationFlags.BgraSupport /* | DeviceCreationFlags.VideoSupport*/;
if (validation)
{
creationFlags |= DeviceCreationFlags.Debug;
}
if (D3D11CreateDevice(
null,
DriverType.Hardware,
creationFlags,
s_featureLevels,
out D3D11Device,
out FeatureLevel,
out D3D11DeviceContext).Failure)
{
// Remove debug flag not being supported.
creationFlags &= ~DeviceCreationFlags.Debug;
if (D3D11CreateDevice(null, DriverType.Hardware,
creationFlags, s_featureLevels,
out D3D11Device, out FeatureLevel, out D3D11DeviceContext).Failure)
{
throw new GraphicsException("Cannot create D3D11 Device");
}
}
DXGIAdapter = adapter;
break;
}
D3D11Device1 = D3D11Device.QueryInterfaceOrNull <ID3D11Device1>();
// Detect multithreading
FeatureDataThreading featureDataThreading = default;
if (D3D11Device.CheckFeatureSupport(DirectX.Direct3D11.Feature.Threading, ref featureDataThreading))
{
SupportsConcurrentResources = featureDataThreading.DriverConcurrentCreates;
SupportsCommandLists = featureDataThreading.DriverCommandLists;
}
// Init device features.
InitializeFeatures();
// Create command queue's.
_graphicsCommandQueue = new CommandQueueD3D11(this, D3D11DeviceContext);
_computeCommandQueue = new CommandQueueD3D11(this, CommandQueueType.Compute);
_copyCommandQueue = new CommandQueueD3D11(this, CommandQueueType.Copy);
}
