internal DeviceFeatures(Device device)
{
mapFeaturesPerFormat = new FeaturesPerFormat[256];
// Check global features
level = device.FeatureLevel;
hasComputeShaders = device.CheckFeatureSupport(Feature.ComputeShaders);
hasDoublePrecision = device.CheckFeatureSupport(Feature.ShaderDoubles);
device.CheckThreadingSupport(out hasMultiThreadingConcurrentResources, out hasDriverCommandLists);
// Check features for each DXGI.Format
foreach (var format in Enum.GetValues(typeof(Format)))
{
var dxgiFormat = (Format)format;
var maximumMSAA = MSAALevel.None;
var computeShaderFormatSupport = ComputeShaderFormatSupport.None;
var formatSupport = FormatSupport.None;
if (!ObsoleteFormatToExcludes.Contains(dxgiFormat))
{
maximumMSAA = GetMaximumMSAASampleCount(device, dxgiFormat);
if (hasComputeShaders)
{
computeShaderFormatSupport = device.CheckComputeShaderFormatSupport(dxgiFormat);
}
formatSupport = device.CheckFormatSupport(dxgiFormat);
}
mapFeaturesPerFormat[(int)dxgiFormat] = new FeaturesPerFormat(dxgiFormat, maximumMSAA, computeShaderFormatSupport, formatSupport);
}
}
private Device()
{
DeviceCreationFlags flags = DeviceCreationFlags.DisableGpuTimeout;
#if DEBUG
flags |= DeviceCreationFlags.Debug;
#endif
// create 11.1 if possible (disable gpu timeout) but 11.0 is also fine
Handle = new SharpDX.Direct3D11.Device(DriverType.Hardware, flags, new FeatureLevel[] { FeatureLevel.Level_11_1, FeatureLevel.Level_11_0 });
// obtain the factory that created the device
var obj = Handle.QueryInterface <SharpDX.DXGI.Device>();
var adapter = obj.Adapter;
FactoryHandle = adapter.GetParent <SharpDX.DXGI.Factory>();
context = Handle.ImmediateContext;
SetDefaults();
SupportsDouble = Handle.CheckFeatureSupport(SharpDX.Direct3D11.Feature.ShaderDoubles);
}
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) && !SdkLayersAvailable)
{
flags &= ~DeviceCreationFlags.Debug;
}
try
{
if (options.AdapterPtr != IntPtr.Zero)
{
_dxgiAdapter = new Adapter(options.AdapterPtr);
_device = new SharpDX.Direct3D11.Device(_dxgiAdapter,
flags,
SharpDX.Direct3D.FeatureLevel.Level_11_1);
}
else
{
_device = new SharpDX.Direct3D11.Device(
SharpDX.Direct3D.DriverType.Hardware,
flags,
SharpDX.Direct3D.FeatureLevel.Level_11_1);
}
}
catch (SharpDXException)
{
_device = new SharpDX.Direct3D11.Device(SharpDX.Direct3D.DriverType.Hardware, flags);
}
using (var dxgiDevice = _device.QueryInterface <SharpDX.DXGI.Device>())
{
// 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 >= SharpDX.Direct3D.FeatureLevel.Level_11_1,
bufferRangeBinding: _device.FeatureLevel >= SharpDX.Direct3D.FeatureLevel.Level_11_1,
shaderFloat64: _device.CheckFeatureSupport(Feature.ShaderDoubles));
_d3d11ResourceFactory = new D3D11ResourceFactory(this);
_d3d11Info = new BackendInfoD3D11(this);
PostDeviceCreated();
}
