/// <summary>
/// Check if this device is supporting threading.
/// </summary>
/// <param name="supportsConcurrentResources">Support concurrent resources.</param>
/// <param name="supportsCommandLists">Support command lists.</param>
/// <returns>
/// A <see cref="Result"/> object describing the result of the operation.
/// </returns>
public Result CheckThreadingSupport(out bool supportsConcurrentResources, out bool supportsCommandLists)
{
FeatureDataThreading support = default;
Result result = CheckFeatureSupport(Feature.Threading, &support, sizeof(FeatureDataThreading));
if (result.Failure)
{
supportsConcurrentResources = false;
supportsCommandLists = false;
}
else
{
supportsConcurrentResources = support.DriverConcurrentCreates;
supportsCommandLists = support.DriverCommandLists;
}
return(result);
}
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);
}
