public SharpDX.Direct2D1.Bitmap GetTileDx(RenderTarget renderTarget)
{
if (TileDx == null)
{
TileDx = this.Tile.ToDxBitmap(renderTarget);
this.Tile.Dispose();
}
return(TileDx);
}
public Renderer2D(Form form, DriverType driverType)
{
_form = form;
var swapChainDescription = new SwapChainDescription
{
BufferCount = 1,
ModeDescription = new ModeDescription(_form.ClientSize.Width, _form.ClientSize.Height, new Rational(60, 1), Format.B8G8R8A8_UNorm),
IsWindowed = true,
OutputHandle = _form.Handle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard, // TODO FlipDiscard is preferred for performance but it breaks current screen shot capture.
Usage = Usage.RenderTargetOutput
};
var directXDriverType = driverType switch
{
DriverType.Hardware => SharpDX.Direct3D.DriverType.Hardware,
DriverType.Software => SharpDX.Direct3D.DriverType.Warp,
_ => throw new ArgumentOutOfRangeException(nameof(driverType), driverType, "Unknown driver type.")
};
Device.CreateWithSwapChain(
directXDriverType,
DeviceCreationFlags.BgraSupport, // TODO Investigate DeviceCreationFlags.Debug
new[] { FeatureLevel.Level_11_0 },
swapChainDescription,
out _d3D11Device,
out _dxgiSwapChain);
using var dxgiFactory = _dxgiSwapChain.GetParent <SharpDX.DXGI.Factory>();
dxgiFactory.MakeWindowAssociation(_form.Handle, WindowAssociationFlags.IgnoreAll); // Ignore all windows events
using var dxgiDevice = _d3D11Device.QueryInterface <SharpDX.DXGI.Device>();
using var d2D1Device = new SharpDX.Direct2D1.Device(dxgiDevice);
_d2D1DeviceContext = new SharpDX.Direct2D1.DeviceContext(d2D1Device, DeviceContextOptions.None);
using var backBufferSurface = _dxgiSwapChain.GetBackBuffer <Surface>(0);
var renderTargetBitmap = new SharpDX.Direct2D1.Bitmap(_d2D1DeviceContext, backBufferSurface,
new BitmapProperties(new PixelFormat(Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied)));
_d2D1DeviceContext.Target = renderTargetBitmap;
}
// TODO It should specify more clearly what formats are supported and maybe expose some importer extensions?
public ITexture CreateTexture(Stream stream)
{
using var gdiBitmap = new Bitmap(stream);
SharpDX.Direct2D1.Bitmap d2D1Bitmap;
// Get access to raw GDI bitmap data
var gdiBitmapData = gdiBitmap.LockBits(new System.Drawing.Rectangle(0, 0, gdiBitmap.Width, gdiBitmap.Height), ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
// Fill data stream with GDI bitmap data to create Direct2D1 bitmap from it
var stride = Math.Abs(gdiBitmapData.Stride);
using (var convertedBitmapDataStream = new DataStream(gdiBitmap.Height * stride, true, true))
{
// Convert pixel format from ARGB to BGRA
for (var i = 0; i < gdiBitmap.Height * stride; i += sizeof(int))
{
var pixelValue = Marshal.ReadInt32(gdiBitmapData.Scan0, i);
var pixelColor = Color.FromArgb(pixelValue);
convertedBitmapDataStream.WriteByte(pixelColor.B);
convertedBitmapDataStream.WriteByte(pixelColor.G);
convertedBitmapDataStream.WriteByte(pixelColor.R);
convertedBitmapDataStream.WriteByte(pixelColor.A);
}
convertedBitmapDataStream.Position = 0;
// Create Direct2D1 bitmap from data stream
d2D1Bitmap = new SharpDX.Direct2D1.Bitmap(_d2D1DeviceContext, new Size2(gdiBitmap.Width, gdiBitmap.Height), convertedBitmapDataStream, stride,
new BitmapProperties(new PixelFormat(Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied)));
}
// Close access to raw GDI bitmap data
gdiBitmap.UnlockBits(gdiBitmapData);
return(new Texture(d2D1Bitmap));
}
