private void CreateSwapChain(IntPtr window, bool vsync)
{
using (SharpDX.DXGI.Factory4 factory = new Factory4())
{
//SharpDX.DXGI.Adapter adapter = factory.GetAdapterByLuid(_dev.AdapterLuid);
//System.Console.WriteLine($" Adapter: {adapter.Description.Description}");
System.Console.WriteLine($" Adapter: {factory.Adapters[0].Description.Description}");
if (!vsync)
{
using (SharpDX.DXGI.Factory5 factory5 = factory.QueryInterface <Factory5>())
{
if (factory5 != null)
{
SharpDX.Mathematics.Interop.RawBool tearing = false;
GCHandle pinnedInt = GCHandle.Alloc(tearing, GCHandleType.Pinned);
IntPtr pointer = pinnedInt.AddrOfPinnedObject();
factory5.CheckFeatureSupport(SharpDX.DXGI.Feature.PresentAllowTearing, pointer, System.Runtime.InteropServices.Marshal.SizeOf(tearing));
if (tearing != false)
{
_swapChainFlags = SharpDX.DXGI.SwapChainFlags.AllowTearing;
_presentFlags = SharpDX.DXGI.PresentFlags.AllowTearing;
}
pinnedInt.Free();
}
}
_syncInterval = 0;
}
else
{
_syncInterval = 1;
}
SharpDX.DXGI.SwapChainDescription1 desc = new SharpDX.DXGI.SwapChainDescription1();
desc.Width = 0;
desc.Height = 0;
desc.Format = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
desc.Stereo = false;
desc.SampleDescription = new SampleDescription {
Count = 1, Quality = 0
};
desc.Usage = SharpDX.DXGI.Usage.RenderTargetOutput;
desc.BufferCount = FrameCount;
desc.Scaling = SharpDX.DXGI.Scaling.Stretch;
desc.SwapEffect = SharpDX.DXGI.SwapEffect.FlipDiscard;
desc.AlphaMode = SharpDX.DXGI.AlphaMode.Unspecified;
desc.Flags = _swapChainFlags;
using (SharpDX.DXGI.SwapChain1 swapChain = new SharpDX.DXGI.SwapChain1(factory, _queue, window, ref desc))
{
factory.MakeWindowAssociation(window, WindowAssociationFlags.IgnoreAltEnter);
_swapChain = swapChain.QueryInterface <SharpDX.DXGI.SwapChain3>();
}
}
}
private void SwapChainPanel_OnLoaded(object sender, RoutedEventArgs e)
{
using (var defDevice = new D3D.Device(DriverType.Hardware, D3D.DeviceCreationFlags.Debug))
{
_device = defDevice.QueryInterface <D3D.Device3>();
}
_context = _device.ImmediateContext3;
var pixelScale = DisplayInformation.GetForCurrentView().LogicalDpi / 96.0f;
var swapChainDesc = new DXGI.SwapChainDescription1()
{
AlphaMode = DXGI.AlphaMode.Premultiplied,
BufferCount = 2,
Flags = DXGI.SwapChainFlags.None,
Format = DXGI.Format.B8G8R8A8_UNorm,
Width = (int)(panel.RenderSize.Width * pixelScale),
Height = (int)(panel.RenderSize.Height * pixelScale),
SampleDescription = new DXGI.SampleDescription(1, 0),
Scaling = DXGI.Scaling.Stretch,
Stereo = false,
SwapEffect = DXGI.SwapEffect.FlipSequential,
Usage = DXGI.Usage.BackBuffer | DXGI.Usage.RenderTargetOutput
};
using (var dxgiDevice = _device.QueryInterface <DXGI.Device3>())
{
var factory = dxgiDevice.Adapter.GetParent <DXGI.Factory4>();
using (var tmpSwapChain = new DXGI.SwapChain1(factory, _device, ref swapChainDesc))
{
_swapChain = tmpSwapChain.QueryInterface <DXGI.SwapChain3>();
}
}
using (var nativeObject = ComObject.As <DXGI.ISwapChainPanelNative>(panel))
{
nativeObject.SwapChain = _swapChain;
}
using (var depthBuffer = new D3D.Texture2D(_device, new D3D.Texture2DDescription()
{
Format = DXGI.Format.D24_UNorm_S8_UInt,
ArraySize = 1,
MipLevels = 1,
Width = swapChainDesc.Width,
Height = swapChainDesc.Height,
SampleDescription = new DXGI.SampleDescription(1, 0),
BindFlags = D3D.BindFlags.DepthStencil,
}))
{
_depthStencilView = new D3D.DepthStencilView(_device, depthBuffer, new D3D.DepthStencilViewDescription()
{
Dimension = D3D.DepthStencilViewDimension.Texture2D
});
}
_backBuffer = D3D.Resource.FromSwapChain <D3D.Texture2D>(_swapChain, 0);
_renderView = new D3D.RenderTargetView1(_device, _backBuffer);
var viewport = new ViewportF(0, 0, (float)panel.RenderSize.Width, (float)panel.RenderSize.Height, 0.0f, 1.0f);
_context.Rasterizer.SetViewport(viewport);
ShaderBytecode shaderBytecode;
using (shaderBytecode = ShaderBytecode.CompileFromFile("shaders.hlsl", "vs", "vs_5_0", ShaderFlags.Debug))
{
_vertexShader = new D3D.VertexShader(_device, shaderBytecode);
}
using (var byteCode = ShaderBytecode.CompileFromFile(@"shaders.hlsl", "ps", "ps_5_0", ShaderFlags.Debug))
{
_pixelShader = new D3D.PixelShader(_device, byteCode);
}
D3D.InputElement[] inputElements =
{
new D3D.InputElement("POSITION", 0, DXGI.Format.R32G32B32A32_Float, 0, 0),
};
_inputLayout = new D3D.InputLayout(_device, shaderBytecode, inputElements);
_vertices = new[]
{
new Vector4(-0.5f, 0.0f, 0.5f, 1.0f),
new Vector4(0.0f, 0.5f, 0.5f, 1.0f),
new Vector4(0.5f, 0.0f, 0.5f, 1.0f),
};
_vertexBuffer = D3D.Buffer.Create(_device, D3D.BindFlags.VertexBuffer, _vertices);
_vertexBinding = new D3D.VertexBufferBinding(_vertexBuffer, Utilities.SizeOf <Vector4>(), 0);
_constantBuffer = new SharpDX.Direct3D11.Buffer(
_device,
Utilities.SizeOf <SharpDX.Matrix>(),
D3D.ResourceUsage.Default,
D3D.BindFlags.ConstantBuffer,
D3D.CpuAccessFlags.None,
D3D.ResourceOptionFlags.None,
0);
_timer = new Stopwatch();
_timer.Start();
CompositionTarget.Rendering += CompositionTarget_Rendering;
}
