protected override SharpDX.DXGI.SwapChain1 CreateSwapChain(SharpDX.DXGI.Factory2 factory, SharpDX.Direct3D11.Device1 device, SharpDX.DXGI.SwapChainDescription1 desc)
{
// Creates a SwapChain from a CoreWindow pointer
SwapChainFullScreenDescription scFullScreenDesc = new SwapChainFullScreenDescription()
{
Windowed = deviceManager.Settings.IsWindowed,
RefreshRate = new Rational(120, 1)
};
#if DIRECTX11_1
return(new SwapChain1(factory, device, form.Handle, ref desc));
#else
return(factory.CreateSwapChainForHwnd(device, form.Handle, ref desc, scFullScreenDesc, null));
#endif
}
public void Initialize()
{
if (!_deviceManager.IsInitialized)
{
throw new InvalidOperationException("Device manager is not initialized");
}
if (Initialized)
{
Uninitialize();
}
var swapChainDescription = new SwapChainDescription1
{
Width = Width,
Height = Height,
Format = Format.B8G8R8A8_UNorm,
Stereo = false,
SampleDescription = new SampleDescription(SampleCount, SampleQuality),
Usage = Usage.BackBuffer | Usage.RenderTargetOutput,
BufferCount = 1,
Scaling = Scaling.Stretch,
SwapEffect = SwapEffect.Discard,
Flags = SwapChainFlags.AllowModeSwitch
};
var fullScreenDescription = new SwapChainFullScreenDescription
{
RefreshRate = new Rational(60, 1),
Scaling = DisplayModeScaling.Centered,
Windowed = true
};
using (var dxgiDevice2 = _deviceManager.Device.QueryInterface <Device2>())
using (var dxgiFactory2 = dxgiDevice2.Adapter.GetParent <Factory2>())
{
SwapChain = new SwapChain1(dxgiFactory2, _deviceManager.Device, _windowHandle, ref swapChainDescription, fullScreenDescription);
dxgiFactory2.MakeWindowAssociation(_windowHandle, WindowAssociationFlags.IgnoreAll);
}
Texture = Resource.FromSwapChain <Texture2D>(SwapChain, 0);
RenderTargetView = new RenderTargetView(_deviceManager.Device, Texture);
Initialized = true;
}
/// <summary>
/// Creates a swapchain associated to the specified HWND. This is applicable only for Desktop platform.
/// </summary>
/// <param name="factory">The DXGI Factory used to create the swapchain.</param>
/// <param name="device">The associated device instance.</param>
/// <param name="hwnd">The HWND of the window to which this swapchain is associated.</param>
/// <param name="description">The swap chain description.</param>
/// <param name="fullScreenDescription">The fullscreen description of the swap chain. Default is null.</param>
/// <param name="restrictToOutput">The output to which this swap chain should be restricted. Default is null, meaning that there is no restriction.</param>
public SwapChain1(Factory2 factory, ComObject device, IntPtr hwnd, ref SwapChainDescription1 description, SwapChainFullScreenDescription? fullScreenDescription = null, Output restrictToOutput = null)
: base(IntPtr.Zero)
{
factory.CreateSwapChainForHwnd(device, hwnd, ref description, fullScreenDescription, restrictToOutput, this);
}
public void Initialize()
{
if(!_deviceManager.IsInitialized)
throw new InvalidOperationException("Device manager is not initialized");
if(Initialized)
Uninitialize();
var swapChainDescription = new SwapChainDescription1
{
Width = Width,
Height = Height,
Format = Format.B8G8R8A8_UNorm,
Stereo = false,
SampleDescription = new SampleDescription(SampleCount, SampleQuality),
Usage = Usage.BackBuffer | Usage.RenderTargetOutput,
BufferCount = 1,
Scaling = Scaling.Stretch,
SwapEffect = SwapEffect.Discard,
Flags = SwapChainFlags.AllowModeSwitch
};
var fullScreenDescription = new SwapChainFullScreenDescription
{
RefreshRate = new Rational(60, 1),
Scaling = DisplayModeScaling.Centered,
Windowed = true
};
using(var dxgiDevice2 = _deviceManager.Device.QueryInterface<Device2>())
using(var dxgiFactory2 = dxgiDevice2.Adapter.GetParent<Factory2>())
{
SwapChain = new SwapChain1(dxgiFactory2, _deviceManager.Device, _windowHandle, ref swapChainDescription, fullScreenDescription);
dxgiFactory2.MakeWindowAssociation(_windowHandle, WindowAssociationFlags.IgnoreAll);
}
Texture = Resource.FromSwapChain<Texture2D>(SwapChain, 0);
RenderTargetView = new RenderTargetView(_deviceManager.Device, Texture);
Initialized = true;
}
public static void Run()
{
var featureLevels = new[]
{
FeatureLevel.Level_11_1,
FeatureLevel.Level_11_0
};
const DeviceCreationFlags creationFlags = DeviceCreationFlags.BgraSupport | DeviceCreationFlags.Debug;
const int width = 640;
const int height = 480;
using (var form = new RenderForm
{
Width = width,
Height = height
})
{
var swapChainDescription = new SwapChainDescription1
{
Width = form.ClientSize.Width,
Height = form.ClientSize.Height,
Format = Format.B8G8R8A8_UNorm,
Stereo = false,
SampleDescription = new SampleDescription(4, 4),
Usage = Usage.BackBuffer | Usage.RenderTargetOutput,
BufferCount = 1,
Scaling = Scaling.Stretch,
SwapEffect = SwapEffect.Discard,
Flags = SwapChainFlags.AllowModeSwitch
};
var swapChainFullScreenDescription = new SwapChainFullScreenDescription
{
RefreshRate = new Rational(60, 1),
Scaling = DisplayModeScaling.Centered,
Windowed = true
};
var samplerStateDescription = new SamplerStateDescription
{
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
Filter = Filter.MinMagMipLinear
};
var rasterizerStateDescription = RasterizerStateDescription.Default();
rasterizerStateDescription.IsFrontCounterClockwise = true;
// Set up the graphics devices
using (var device0 = new SharpDX.Direct3D11.Device(DriverType.Hardware, creationFlags, featureLevels))
using (var device1 = device0.QueryInterface <SharpDX.Direct3D11.Device1>())
using (var context = device0.ImmediateContext.QueryInterface <DeviceContext1>())
// Create shaders and related resources
using (var vertexShaderBytecode = ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", ShaderFlags.Debug))
using (var vertexShader = new VertexShader(device1, vertexShaderBytecode))
using (var pixelShaderBytecode = ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", ShaderFlags.Debug))
using (var pixelShader = new PixelShader(device1, pixelShaderBytecode))
using (var inputLayout = new InputLayout(device1, ShaderSignature.GetInputSignature(vertexShaderBytecode), new[]
{
new InputElement("SV_Position", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 16, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 32, 0),
}))
using (var worldViewProjectionBuffer = new SharpDX.Direct3D11.Buffer(device1, Utilities.SizeOf <Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None, 0))
using (var texture = TextureLoader.CreateTexture2DFromBitmap(device1, TextureLoader.LoadBitmap(new SharpDX.WIC.ImagingFactory2(), "text.png")))
using (ShaderResourceView textureView = new ShaderResourceView(device1, texture))
using (var samplerState = new SamplerState(device1, samplerStateDescription))
// Prepare rendering targets and related resources
using (var dxgiDevice2 = device1.QueryInterface <SharpDX.DXGI.Device2>())
using (var dxgiFactory2 = dxgiDevice2.Adapter.GetParent <Factory2>())
using (var swapChain = new SwapChain1(dxgiFactory2, device1, form.Handle, ref swapChainDescription, swapChainFullScreenDescription))
using (var backBuffer = SharpDX.Direct3D11.Resource.FromSwapChain <Texture2D>(swapChain, 0))
using (var rasterizerState = new RasterizerState(device1, rasterizerStateDescription))
using (var renderTargetView = new RenderTargetView(device1, backBuffer))
{
var viewport = new ViewportF(0, 0, backBuffer.Description.Width, backBuffer.Description.Height);
context.Rasterizer.SetViewport(viewport);
context.Rasterizer.State = rasterizerState;
var depthBufferDescription = new Texture2DDescription
{
Format = Format.D32_Float_S8X24_UInt,
ArraySize = 1,
MipLevels = 1,
Width = backBuffer.Description.Width,
Height = backBuffer.Description.Height,
SampleDescription = swapChain.Description.SampleDescription,
BindFlags = BindFlags.DepthStencil,
};
var depthStencilViewDescription = new DepthStencilViewDescription
{
Dimension = swapChain.Description.SampleDescription.Count > 1 || swapChain.Description.SampleDescription.Quality > 0
? DepthStencilViewDimension.Texture2DMultisampled
: DepthStencilViewDimension.Texture2D
};
var depthStencilStateDescription = new DepthStencilStateDescription
{
IsDepthEnabled = true,
DepthComparison = Comparison.Less,
DepthWriteMask = DepthWriteMask.All,
IsStencilEnabled = false,
StencilReadMask = 0xff,
StencilWriteMask = 0xff,
FrontFace = new DepthStencilOperationDescription
{
Comparison = Comparison.Always,
PassOperation = StencilOperation.Keep,
FailOperation = StencilOperation.Keep,
DepthFailOperation = StencilOperation.Increment
},
BackFace = new DepthStencilOperationDescription
{
Comparison = Comparison.Always,
PassOperation = StencilOperation.Keep,
FailOperation = StencilOperation.Keep,
DepthFailOperation = StencilOperation.Decrement
}
};
using (var depthBuffer = new Texture2D(device1, depthBufferDescription))
using (var depthStencilView = new DepthStencilView(device1, depthBuffer, depthStencilViewDescription))
using (var depthStencilState = new DepthStencilState(device1, depthStencilStateDescription))
{
context.OutputMerger.SetRenderTargets(depthStencilView, renderTargetView);
context.OutputMerger.DepthStencilState = depthStencilState;
context.InputAssembler.InputLayout = inputLayout;
context.VertexShader.SetConstantBuffer(0, worldViewProjectionBuffer);
context.VertexShader.Set(vertexShader);
context.PixelShader.Set(pixelShader);
context.PixelShader.SetShaderResource(0, textureView);
context.PixelShader.SetSampler(0, samplerState);
form.Show();
var cameraPosition = new Vector3(1.5f, 1.8f, -3);
var cameraTarget = Vector3.Zero;
var cameraUp = Vector3.UnitY;
var worldMatrix = Matrix.Identity;
var viewMatrix = Matrix.LookAtLH(cameraPosition, cameraTarget, cameraUp); // reorient everything to camera space
var projectionMatrix = Matrix.PerspectiveFovLH((float)Math.PI / 3f, form.ClientSize.Width / (float)form.ClientSize.Height, .5f, 100f); // create a generic perspective projection matrix
var viewProjection = Matrix.Multiply(viewMatrix, projectionMatrix); // apply the perspective projection to the view matrix so that we're performing both operations
var worldViewProjection = worldMatrix * viewProjection; // include world translation with the view projection matrix
worldViewProjection.Transpose();
var model = GetCubeModel();
using (var vertexBuffer = CreateBuffer(device1, BindFlags.VertexBuffer, model.Vertices))
using (var indexBuffer = CreateBuffer(device1, BindFlags.IndexBuffer, model.Triangles))
{
var vertexBufferBinding = new VertexBufferBinding(vertexBuffer, Utilities.SizeOf <Vertex>(), 0);
context.InputAssembler.SetVertexBuffers(0, vertexBufferBinding);
context.InputAssembler.SetIndexBuffer(indexBuffer, Format.R32_UInt, 0);
context.UpdateSubresource(ref worldViewProjection, worldViewProjectionBuffer);
RenderLoop.Run(form, () =>
{
context.ClearRenderTargetView(renderTargetView, Color.CornflowerBlue);
context.ClearDepthStencilView(depthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1.0f, 0);
context.DrawIndexed(model.Triangles.Length * 3, 0, 0);
swapChain.Present(1, PresentFlags.None);
});
}
}
}
}
}
