public static Result TryCreate(
IDXGIAdapter adapter,
DriverType driverType,
DeviceCreationFlags flags,
FeatureLevel[] featureLevels,
out ID3D11Device device,
out ID3D11DeviceContext immediateContext)
{
var result = D3D11.CreateDevice(
adapter,
driverType,
IntPtr.Zero,
(int)flags,
featureLevels,
(featureLevels != null) ? featureLevels.Length : 0,
D3D11.SdkVersion,
out device,
out FeatureLevel featureLevel,
out immediateContext);
if (result.Failure)
{
return(result);
}
if (immediateContext != null)
{
device.AddRef();
device.ImmediateContext__ = immediateContext;
immediateContext.Device__ = device;
}
return(result);
}
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)
{
VorticeD3D11.D3D11CreateDevice(options.AdapterPtr,
Vortice.Direct3D.DriverType.Hardware,
flags,
new[]
{
Vortice.Direct3D.FeatureLevel.Level_11_1,
Vortice.Direct3D.FeatureLevel.Level_11_0,
},
out _device).CheckError();
}
else
{
VorticeD3D11.D3D11CreateDevice(IntPtr.Zero,
Vortice.Direct3D.DriverType.Hardware,
flags,
new[]
{
Vortice.Direct3D.FeatureLevel.Level_11_1,
Vortice.Direct3D.FeatureLevel.Level_11_0,
},
out _device).CheckError();
}
}
catch
{
VorticeD3D11.D3D11CreateDevice(IntPtr.Zero,
Vortice.Direct3D.DriverType.Hardware,
flags,
null,
out _device).CheckError();
}
using (IDXGIDevice dxgiDevice = _device.QueryInterface <IDXGIDevice>())
{
// Store a pointer to the DXGI adapter.
// This is for the case of no preferred DXGI adapter, or fallback to WARP.
dxgiDevice.GetAdapter(out _dxgiAdapter).CheckError();
_deviceName = _dxgiAdapter.Description.Description;
}
if (swapchainDesc != null)
{
SwapchainDescription desc = swapchainDesc.Value;
_mainSwapchain = new D3D11Swapchain(this, 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();
}
