private void CreateCommandListAndAllocator(ID3D12Device *d3D12Device, ID3D12PipelineState *d3D12PipelineState, out ID3D12GraphicsCommandList *d3D12CommandList, out ID3D12CommandAllocator *d3D12CommandAllocator)
{
using ComPtr <ID3D12CommandAllocator> d3D12CommandAllocatorComPtr = d3D12Device->CreateCommandAllocator(this.d3D12CommandListType);
using ComPtr <ID3D12GraphicsCommandList> d3D12CommandListComPtr = d3D12Device->CreateCommandList(this.d3D12CommandListType, d3D12CommandAllocatorComPtr.Get(), d3D12PipelineState);
fixed(ID3D12GraphicsCommandList **d3D12CommandListPtr = &d3D12CommandList)
fixed(ID3D12CommandAllocator **d3D12CommandAllocatorPtr = &d3D12CommandAllocator)
{
d3D12CommandListComPtr.CopyTo(d3D12CommandListPtr);
d3D12CommandAllocatorComPtr.CopyTo(d3D12CommandAllocatorPtr);
}
}
/// <summary>
/// Creates an <see cref="ID2D1Device"/> instance.
/// </summary>
/// <param name="d2D1Factory2">The input <see cref="ID2D1Factory2"/> instance to use to create the device.</param>
/// <returns>A new <see cref="ID2D1Device"/> instance.</returns>
public static unsafe ComPtr <ID2D1Device> CreateD2D1Device(ID2D1Factory2 *d2D1Factory2)
{
using ComPtr <ID3D11Device> d3D11Device = default;
uint creationFlags = (uint)D3D11_CREATE_DEVICE_FLAG.D3D11_CREATE_DEVICE_BGRA_SUPPORT;
D3D_FEATURE_LEVEL *featureLevels = stackalloc[]
{
D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_11_1,
D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_10_0,
D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_9_3,
D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_9_2,
D3D_FEATURE_LEVEL.D3D_FEATURE_LEVEL_9_1
};
D3D_FEATURE_LEVEL d3DFeatureLevel;
// Create the Direct3D 11 API device and context
DirectX.D3D11CreateDevice(
pAdapter: null,
DriverType: D3D_DRIVER_TYPE.D3D_DRIVER_TYPE_HARDWARE,
Software: HMODULE.NULL,
Flags: creationFlags,
pFeatureLevels: featureLevels,
FeatureLevels: 7,
SDKVersion: D3D11.D3D11_SDK_VERSION,
ppDevice: d3D11Device.GetAddressOf(),
pFeatureLevel: &d3DFeatureLevel,
ppImmediateContext: null).Assert();
using ComPtr <IDXGIDevice3> dxgiDevice3 = default;
// Get a DXGI device from the D3D11 device
d3D11Device.CopyTo(dxgiDevice3.GetAddressOf()).Assert();
using ComPtr <ID2D1Device> d2D1Device = default;
// Create a D2D1 device
d2D1Factory2->CreateDevice(
dxgiDevice: (IDXGIDevice *)dxgiDevice3.Get(),
d2dDevice: d2D1Device.GetAddressOf());
return(d2D1Device.Move());
}
/// <summary>
/// Tries to check or create a warp <see cref="ID3D12Device"/> object.
/// </summary>
/// <param name="d3D12Device">A pointer to the <see cref="ID3D12Device"/> object to create, or <see langword="null"/>.</param>
/// <param name="dxgiAdapter">A pointer to the <see cref="IDXGIAdapter"/> object used to create <paramref name="d3D12Device"/>, or <see langword="null"/>.</param>
/// <param name="dxgiDescription1">A pointer to the <see cref="DXGI_ADAPTER_DESC1"/> value for the device found.</param>
/// <returns>Whether a warp device was created successfully.</returns>
private static unsafe bool TryGetWarpDevice(ID3D12Device **d3D12Device, IDXGIAdapter **dxgiAdapter, DXGI_ADAPTER_DESC1 *dxgiDescription1)
{
using ComPtr <IDXGIFactory4> dxgiFactory4 = default;
EnableDebugMode();
FX.CreateDXGIFactory2(IDXGIFactoryCreationFlags, FX.__uuidof <IDXGIFactory4>(), dxgiFactory4.GetVoidAddressOf()).Assert();
using ComPtr <IDXGIAdapter1> dxgiAdapter1 = default;
dxgiFactory4.Get()->EnumWarpAdapter(FX.__uuidof <IDXGIAdapter1>(), dxgiAdapter1.GetVoidAddressOf()).Assert();
dxgiAdapter1.Get()->GetDesc1(dxgiDescription1).Assert();
HRESULT createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
(void **)d3D12Device);
dxgiAdapter1.CopyTo(dxgiAdapter);
return(FX.SUCCEEDED(createDeviceResult));
}
/// <summary>
/// Tries to check or create a default <see cref="ID3D12Device"/> object.
/// </summary>
/// <param name="d3D12Device">A pointer to the <see cref="ID3D12Device"/> object to create, or <see langword="null"/>.</param>
/// <param name="dxgiAdapter">A pointer to the <see cref="IDXGIAdapter"/> object used to create <paramref name="d3D12Device"/>, or <see langword="null"/>.</param>
/// <param name="dxgiDescription1">A pointer to the <see cref="DXGI_ADAPTER_DESC1"/> value for the device found.</param>
/// <returns>Whether a default device was found with the requested feature level.</returns>
private static unsafe bool TryGetDefaultDevice(ID3D12Device **d3D12Device, IDXGIAdapter **dxgiAdapter, DXGI_ADAPTER_DESC1 *dxgiDescription1)
{
using ComPtr <IDXGIFactory4> dxgiFactory4 = default;
EnableDebugMode();
FX.CreateDXGIFactory2(IDXGIFactoryCreationFlags, FX.__uuidof <IDXGIFactory4>(), dxgiFactory4.GetVoidAddressOf()).Assert();
uint i = 0;
while (true)
{
using ComPtr <IDXGIAdapter1> dxgiAdapter1 = default;
HRESULT enumAdapters1Result = dxgiFactory4.Get()->EnumAdapters1(i++, dxgiAdapter1.GetAddressOf());
if (enumAdapters1Result == FX.DXGI_ERROR_NOT_FOUND)
{
return(false);
}
enumAdapters1Result.Assert();
dxgiAdapter1.Get()->GetDesc1(dxgiDescription1).Assert();
if (dxgiDescription1->VendorId == MicrosoftVendorId &&
dxgiDescription1->DeviceId == WarpDeviceId)
{
continue;
}
// Explicit paths for when a device is being retrieved or not, with special handling
// for the additional check that is required for the SM6 level. This can't be checked
// without creating a device first, so the path for when the target device pointer is
// null is useful to do an initial filtering using D3D12CreateDevice to avoid creating
// a device for adapters that would've failed at the FL11 check already.
if (d3D12Device == null)
{
HRESULT createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
null);
if (FX.SUCCEEDED(createDeviceResult))
{
using ComPtr <ID3D12Device> d3D12DeviceCandidate = default;
createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
d3D12DeviceCandidate.GetVoidAddressOf());
if (FX.SUCCEEDED(createDeviceResult) &&
d3D12DeviceCandidate.Get()->IsShaderModelSupported(D3D_SHADER_MODEL_6_0))
{
return(true);
}
}
}
else
{
using ComPtr <ID3D12Device> d3D12DeviceCandidate = default;
HRESULT createDeviceResult = FX.D3D12CreateDevice(
dxgiAdapter1.AsIUnknown().Get(),
D3D_FEATURE_LEVEL_11_0,
FX.__uuidof <ID3D12Device>(),
d3D12DeviceCandidate.GetVoidAddressOf());
if (FX.SUCCEEDED(createDeviceResult) &&
d3D12DeviceCandidate.Get()->IsShaderModelSupported(D3D_SHADER_MODEL_6_0))
{
d3D12DeviceCandidate.CopyTo(d3D12Device);
dxgiAdapter1.CopyTo(dxgiAdapter);
return(true);
}
}
}
}