public static IDXGISwapChain1 CreateSwapChainForHwnd(
ID3D11Device device,
IntPtr hwnd)
{
IDXGIDevice dxgiDevice = device.QueryInterface <IDXGIDevice>();
IDXGIFactory2 dxgiFactory = dxgiDevice.GetAdapter().GetParent <IDXGIFactory2>();
SwapChainDescription1 dxgiDesc = new()
{
Format = Format.B8G8R8A8_UNorm,
SampleDescription = new SampleDescription(1, 0),
BufferUsage = Usage.RenderTargetOutput,
BufferCount = 2,
};
return(dxgiFactory.CreateSwapChainForHwnd(
device,
hwnd,
dxgiDesc));
}
public D3D11GraphicsDevice(bool validation, Window window)
{
Window = window;
if (CreateDXGIFactory1(out Factory).Failure)
{
throw new InvalidOperationException("Cannot create IDXGIFactory1");
}
var creationFlags = DeviceCreationFlags.BgraSupport;
if (validation)
{
creationFlags |= DeviceCreationFlags.Debug;
}
if (D3D11CreateDevice(
IntPtr.Zero,
DriverType.Hardware,
creationFlags,
s_featureLevels,
out Device, out FeatureLevel, out DeviceContext).Failure)
{
// Remove debug flag not being supported.
creationFlags &= ~DeviceCreationFlags.Debug;
var result = D3D11CreateDevice(null, DriverType.Hardware,
creationFlags, s_featureLevels,
out Device, out FeatureLevel, out DeviceContext);
if (result.Failure)
{
// This will fail on Win 7 due to lack of 11.1, so re-try again without it
D3D11CreateDevice(
IntPtr.Zero,
DriverType.Hardware,
creationFlags,
s_featureLevelsNoLevel11,
out Device, out FeatureLevel, out DeviceContext).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 Adapter).CheckError();
}
IntPtr hwnd = (IntPtr)window.Handle;
var swapChainDescription = new SwapChainDescription()
{
BufferCount = FrameCount,
BufferDescription = new ModeDescription(window.Width, window.Height, Format.B8G8R8A8_UNorm),
IsWindowed = true,
OutputWindow = hwnd,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = DXGI.Usage.RenderTargetOutput
};
SwapChain = Factory.CreateSwapChain(Device, swapChainDescription);
Factory.MakeWindowAssociation(hwnd, WindowAssociationFlags.IgnoreAltEnter);
BackBuffer = SwapChain.GetBuffer <ID3D11Texture2D>(0);
RenderTargetView = Device.CreateRenderTargetView(BackBuffer);
}
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();
}
