public static ID2D1DeviceContext CreateRenderTarget(
ID2D1Factory1 factory2d,
ID3D11Device device3d)
{
var dxgiDevice = device3d.QueryInterface <IDXGIDevice>();
using (ID2D1Device device2d = factory2d.CreateDevice(dxgiDevice))
{
return(device2d.CreateDeviceContext(DeviceContextOptions.None));
}
}
public static ComObject <T> CreateDevice <T>(this ID2D1Factory1 factory, IDXGIDevice device) where T : ID2D1Device
{
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
if (device == null)
{
throw new ArgumentNullException(nameof(device));
}
factory.CreateDevice(device, out var dev).ThrowOnError();
return(new ComObject <T>((T)dev));
}
void EnsureDevice(IntPtr hWnd)
{
if (m_device)
{
return;
}
// D3D
Span <D3D_FEATURE_LEVEL> levels = stackalloc D3D_FEATURE_LEVEL[]
{
D3D_FEATURE_LEVEL._11_1,
D3D_FEATURE_LEVEL._11_0,
D3D_FEATURE_LEVEL._10_1,
D3D_FEATURE_LEVEL._10_0,
D3D_FEATURE_LEVEL._9_3,
D3D_FEATURE_LEVEL._9_2,
D3D_FEATURE_LEVEL._9_1
};
var flags =
D3D11_CREATE_DEVICE_FLAG._DEBUG |
D3D11_CREATE_DEVICE_FLAG._BGRA_SUPPORT;
var level = default(D3D_FEATURE_LEVEL);
d3d11.D3D11CreateDevice(
null,
D3D_DRIVER_TYPE._HARDWARE,
IntPtr.Zero,
(uint)flags,
ref MemoryMarshal.GetReference(levels),
(uint)levels.Length,
Constants.D3D11_SDK_VERSION,
out m_device,
out level,
out m_context).ThrowIfFailed();
// D2D
using (var dxgiDevice = new IDXGIDevice())
{
m_device.QueryInterface(ref IDXGIDevice.IID, out dxgiDevice.PtrForNew).ThrowIfFailed();
using (var d2dFactory = new ID2D1Factory1())
{
var factory_opt = new D2D1_FACTORY_OPTIONS
{
};
d2d1.D2D1CreateFactory(D2D1_FACTORY_TYPE._SINGLE_THREADED,
ref ID2D1Factory1.IID, ref factory_opt, out d2dFactory.PtrForNew).ThrowIfFailed();
d2dFactory.GetDesktopDpi(out float x, out float y);
// using (var d2dDevice = new ())
{
var prop = new D2D1_CREATION_PROPERTIES
{
};
d2dFactory.CreateDevice(dxgiDevice, out ID2D1Device d2dDevice).ThrowIfFailed();
using (d2dDevice)
d2dDevice.CreateDeviceContext(D2D1_DEVICE_CONTEXT_OPTIONS._NONE, out m_d2dContext).ThrowIfFailed();
}
}
// SWAPChain
// using (var adapter = new ())
{
dxgiDevice.GetAdapter(out IDXGIAdapter adapter).ThrowIfFailed();
using (adapter)
using (var dxgiFactory = new IDXGIFactory2())
{
adapter.GetParent(ref IDXGIFactory2.IID, out dxgiFactory.PtrForNew).ThrowIfFailed();
var swapChainDesc = new DXGI_SWAP_CHAIN_DESC1
{
Width = 0,
Height = 0,
Format = DXGI_FORMAT._B8G8R8A8_UNORM,
Stereo = 0
};
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
swapChainDesc.BufferUsage = DXGI_USAGE._RENDER_TARGET_OUTPUT;
swapChainDesc.BufferCount = 2;
//swapChainDesc.Scaling = DXGI_SCALING_NONE;
swapChainDesc.Scaling = DXGI_SCALING._STRETCH;
//swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT._DISCARD;
swapChainDesc.AlphaMode = DXGI_ALPHA_MODE._UNSPECIFIED;
var fs = new DXGI_SWAP_CHAIN_FULLSCREEN_DESC
{
Windowed = 1,
};
dxgiFactory.CreateSwapChainForHwnd(
dxgiDevice,
hWnd,
ref swapChainDesc,
ref fs,
null,
out m_swapchain).ThrowIfFailed();
Console.Write("CreateSwapchain");
}
}
}
// Dwrite
dwrite.DWriteCreateFactory(DWRITE_FACTORY_TYPE._SHARED, ref IDWriteFactory.IID, out m_dwriteFactory.PtrForNew).ThrowIfFailed();
}