private void InitializeDirectX(GameWindow gameWindow)
{
using (var defaultDevice = new SharpDX.Direct3D11.Device(DriverType.Hardware, DeviceCreationFlags.BgraSupport))
{
_d3dDevice = defaultDevice.QueryInterface <SharpDX.Direct3D11.Device1>();
}
var swapChainDesc = new SwapChainDescription1()
{
Width = 0,
Height = 0,
Format = Format.B8G8R8A8_UNorm,
BufferCount = 2,
Usage = Usage.BackBuffer | Usage.RenderTargetOutput,
SwapEffect = SwapEffect.FlipSequential,
SampleDescription = new SampleDescription(1, 0),
Scaling = Scaling.AspectRatioStretch
};
using (var dxgiDevice = _d3dDevice.QueryInterface <SharpDX.DXGI.Device2>())
using (var dxgiFactory = dxgiDevice.Adapter.GetParent <SharpDX.DXGI.Factory2>())
{
var window = new ComObject(gameWindow.WindowObject);
_swapChain = new SwapChain1(dxgiFactory, _d3dDevice, window, ref swapChainDesc);
_d2dFactory = new SharpDX.Direct2D1.Factory1();
_d2dDevice = new SharpDX.Direct2D1.Device(_d2dFactory, dxgiDevice);
}
_deviceContext = new SharpDX.Direct2D1.DeviceContext(_d2dDevice, new DeviceContextOptions());
using (var surface = Surface.FromSwapChain(_swapChain, 0))
{
var pixelFormat = new SharpDX.Direct2D1.PixelFormat(Format.Unknown, SharpDX.Direct2D1.AlphaMode.Premultiplied);
var bitmapProperties = new BitmapProperties1(pixelFormat, 0, 0, BitmapOptions.Target | BitmapOptions.CannotDraw);
_d2dTargetBitmap = new SharpDX.Direct2D1.Bitmap1(_deviceContext, surface, bitmapProperties);
_deviceContext.Target = _d2dTargetBitmap;
}
_dwriteFactory = new SharpDX.DirectWrite.Factory1();
_wicFactory = new ImagingFactory();
_formatConverter = new FormatConverter(_wicFactory);
_deviceContext.TextAntialiasMode = SharpDX.Direct2D1.TextAntialiasMode.Cleartype;
}
/// <summary>
/// Unloads content and disposes all unmanaged resources.
/// </summary>
private void DisposeAndUnloadContent()
{
_disposeCollector.DisposeAndClear();
_d2dDeviceContext = null;
_d2dDevice = null;
_dwFactory = null;
_presenter = null;
_graphicsDevice = null;
}
/// <summary>
/// Creates the surface-independent resources and loads the content.
/// </summary>
private void CreateDeviceAndLoadContent()
{
Debug.Assert(_graphicsDevice == null);
var flags = GetDeviceCreationFlags();
Debug.Assert(flags.HasFlag(DeviceCreationFlags.BgraSupport)); // mandatory for D2D support
// initialize Direct3D11 - this is the bridge between Direct2D and control surface
_graphicsDevice = _disposeCollector.Collect(GraphicsDevice.New(flags));
// get the low-level DXGI device reference
using (var dxgiDevice = ((Device)_graphicsDevice).QueryInterface<SharpDX.DXGI.Device>())
{
// create D2D device sharing same GPU driver instance
_d2dDevice =_disposeCollector.Collect(new D2D.Device(dxgiDevice, new D2D.CreationProperties { DebugLevel = D2DDebugLevel }));
// create D2D device context used in drawing and resource creation
// this allows us to not recreate the resources if render target gets recreated because of size change
_d2dDeviceContext = _disposeCollector.Collect(new D2D.DeviceContext(_d2dDevice, D2D.DeviceContextOptions.EnableMultithreadedOptimizations));
}
// device-independent factory used to create all DirectWrite resources
_dwFactory = _disposeCollector.Collect(new SharpDX.DirectWrite.Factory1());
// load scene-specific content:
LoadContent();
}