/// <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());
}
