public VRUI(Device device, SharpDX.Toolkit.Graphics.GraphicsDevice gd)
{
Texture2DDescription uiTextureDescription = new Texture2DDescription()
{
Width = 1024,
Height = 512,
MipLevels = 1,
ArraySize = 1,
Format = Format.B8G8R8A8_UNorm,
Usage = ResourceUsage.Default,
SampleDescription = new SampleDescription(1, 0),
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.Shared
};
uiTexture = new SharpDX.Direct3D11.Texture2D(device, uiTextureDescription);
using (DX2D.Factory factory2d = new DX2D.Factory(SharpDX.Direct2D1.FactoryType.SingleThreaded, DX2D.DebugLevel.Information))
{
DX2D.RenderTargetProperties renderTargetProperties = new DX2D.RenderTargetProperties()
{
DpiX = 96,
DpiY = 96,
PixelFormat = new DX2D.PixelFormat(Format.B8G8R8A8_UNorm, DX2D.AlphaMode.Premultiplied),
Type = DX2D.RenderTargetType.Hardware,
MinLevel = DX2D.FeatureLevel.Level_10,
Usage = DX2D.RenderTargetUsage.None
};
using (var uiSurface = uiTexture.QueryInterface <Surface>())
target2d = new DX2D.RenderTarget(factory2d, uiSurface, renderTargetProperties)
{
AntialiasMode = DX2D.AntialiasMode.PerPrimitive
};
}
// 2D materials
uiEffect = new SharpDX.Toolkit.Graphics.BasicEffect(gd)
{
PreferPerPixelLighting = false,
Texture = SharpDX.Toolkit.Graphics.Texture2D.New(gd, uiTexture),
TextureEnabled = true,
LightingEnabled = false
};
BlendStateDescription blendStateDescription = new BlendStateDescription()
{
AlphaToCoverageEnable = false
};
blendStateDescription.RenderTarget[0].IsBlendEnabled = true;
blendStateDescription.RenderTarget[0].SourceBlend = BlendOption.SourceAlpha;
blendStateDescription.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;
blendStateDescription.RenderTarget[0].BlendOperation = BlendOperation.Add;
blendStateDescription.RenderTarget[0].SourceAlphaBlend = BlendOption.Zero;
blendStateDescription.RenderTarget[0].DestinationAlphaBlend = BlendOption.Zero;
blendStateDescription.RenderTarget[0].AlphaBlendOperation = BlendOperation.Add;
blendStateDescription.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
using (var blendState = SharpDX.Toolkit.Graphics.BlendState.New(gd, blendStateDescription))
gd.SetBlendState(blendState);
uiPrimitive = SharpDX.Toolkit.Graphics.GeometricPrimitive.Plane.New(gd, 2, 1);
using (SharpDX.DirectWrite.Factory factoryDW = new SharpDX.DirectWrite.Factory())
{
textFormat = new SharpDX.DirectWrite.TextFormat(factoryDW, "Segoe UI Light", 34f)
{
TextAlignment = SharpDX.DirectWrite.TextAlignment.Center,
ParagraphAlignment = SharpDX.DirectWrite.ParagraphAlignment.Center
};
textFormatSmall = new SharpDX.DirectWrite.TextFormat(factoryDW, "Segoe UI Light", 20f)
{
TextAlignment = SharpDX.DirectWrite.TextAlignment.Center,
ParagraphAlignment = SharpDX.DirectWrite.ParagraphAlignment.Center
};
}
textBrush = new SharpDX.Direct2D1.SolidColorBrush(target2d, new Color(1f, 1f, 1f, 1f));
blueBrush = new SharpDX.Direct2D1.SolidColorBrush(target2d, new Color(0, 167, 245, 255));
uiInitialized = true;
}
public void Start()
{
running = true;
Task.Factory.StartNew(() =>
{
form = new SharpDX.Windows.RenderForm("Oculus UI Debug");
form.Width = 1024 + 16;
form.Height = 512 + 39;
form.AllowUserResizing = false;
// Create DirectX drawing device.
SharpDX.Direct3D11.Device device = new Device(SharpDX.Direct3D.DriverType.Hardware, DeviceCreationFlags.Debug);
// Create DirectX Graphics Interface factory, used to create the swap chain.
Factory factory = new Factory();
DeviceContext immediateContext = device.ImmediateContext;
// Define the properties of the swap chain.
SwapChainDescription swapChainDescription = new SwapChainDescription();
swapChainDescription.BufferCount = 1;
swapChainDescription.IsWindowed = true;
swapChainDescription.OutputHandle = form.Handle;
swapChainDescription.SampleDescription = new SampleDescription(1, 0);
swapChainDescription.Usage = Usage.RenderTargetOutput | Usage.ShaderInput;
swapChainDescription.SwapEffect = SwapEffect.Sequential;
swapChainDescription.Flags = SwapChainFlags.AllowModeSwitch;
swapChainDescription.ModeDescription.Width = 1024;
swapChainDescription.ModeDescription.Height = 512;
swapChainDescription.ModeDescription.Format = Format.R8G8B8A8_UNorm;
swapChainDescription.ModeDescription.RefreshRate.Numerator = 0;
swapChainDescription.ModeDescription.RefreshRate.Denominator = 1;
// Create the swap chain.
SharpDX.DXGI.SwapChain swapChain = new SwapChain(factory, device, swapChainDescription);
// Retrieve the back buffer of the swap chain.
Texture2D backBuffer = swapChain.GetBackBuffer <Texture2D>(0);
RenderTargetView backBufferRenderTargetView = new RenderTargetView(device, backBuffer);
// Create a depth buffer, using the same width and height as the back buffer.
Texture2DDescription depthBufferDescription = new Texture2DDescription();
depthBufferDescription.Format = Format.D32_Float;
depthBufferDescription.ArraySize = 1;
depthBufferDescription.MipLevels = 1;
depthBufferDescription.Width = 1024;
depthBufferDescription.Height = 512;
depthBufferDescription.SampleDescription = new SampleDescription(1, 0);
depthBufferDescription.Usage = ResourceUsage.Default;
depthBufferDescription.BindFlags = BindFlags.DepthStencil;
depthBufferDescription.CpuAccessFlags = CpuAccessFlags.None;
depthBufferDescription.OptionFlags = ResourceOptionFlags.None;
// Define how the depth buffer will be used to filter out objects, based on their distance from the viewer.
DepthStencilStateDescription depthStencilStateDescription = new DepthStencilStateDescription();
depthStencilStateDescription.IsDepthEnabled = true;
depthStencilStateDescription.DepthComparison = Comparison.Less;
depthStencilStateDescription.DepthWriteMask = DepthWriteMask.Zero;
// Create the depth buffer.
Texture2D depthBuffer = new Texture2D(device, depthBufferDescription);
DepthStencilView depthStencilView = new DepthStencilView(device, depthBuffer);
DepthStencilState depthStencilState = new DepthStencilState(device, depthStencilStateDescription);
Viewport viewport = new Viewport(0, 0, 1024, 512, 0.0f, 1.0f);
immediateContext.OutputMerger.SetDepthStencilState(depthStencilState);
immediateContext.OutputMerger.SetRenderTargets(depthStencilView, backBufferRenderTargetView);
immediateContext.Rasterizer.SetViewport(viewport);
SharpDX.Toolkit.Graphics.GraphicsDevice gd = SharpDX.Toolkit.Graphics.GraphicsDevice.New(device);
var blendStateDescription = new BlendStateDescription();
blendStateDescription.AlphaToCoverageEnable = false;
blendStateDescription.RenderTarget[0].IsBlendEnabled = true;
blendStateDescription.RenderTarget[0].SourceBlend = BlendOption.SourceAlpha;
blendStateDescription.RenderTarget[0].DestinationBlend = BlendOption.InverseSourceAlpha;
blendStateDescription.RenderTarget[0].BlendOperation = BlendOperation.Add;
blendStateDescription.RenderTarget[0].SourceAlphaBlend = BlendOption.Zero;
blendStateDescription.RenderTarget[0].DestinationAlphaBlend = BlendOption.Zero;
blendStateDescription.RenderTarget[0].AlphaBlendOperation = BlendOperation.Add;
blendStateDescription.RenderTarget[0].RenderTargetWriteMask = ColorWriteMaskFlags.All;
var blendState = SharpDX.Toolkit.Graphics.BlendState.New(gd, blendStateDescription);
gd.SetBlendState(blendState);
var resource = sharedTexture.QueryInterface <SharpDX.DXGI.Resource>();
var texture = device.OpenSharedResource <Texture2D>(resource.SharedHandle);
var basicEffect = new SharpDX.Toolkit.Graphics.BasicEffect(gd);
basicEffect.PreferPerPixelLighting = false;
basicEffect.Texture = SharpDX.Toolkit.Graphics.Texture2D.New(gd, texture);
basicEffect.TextureEnabled = true;
basicEffect.LightingEnabled = false;
// background texture
var backgroundTexture = SharpDX.Toolkit.Graphics.Texture2D.Load(gd, "Graphics/debug.png");
var backEffect = new SharpDX.Toolkit.Graphics.BasicEffect(gd);
backEffect.PreferPerPixelLighting = false;
backEffect.Texture = backgroundTexture;
backEffect.TextureEnabled = true;
backEffect.LightingEnabled = false;
var primitive = SharpDX.Toolkit.Graphics.GeometricPrimitive.Plane.New(gd, 2f, 2f, 1);
// Retrieve the DXGI device, in order to set the maximum frame latency.
using (SharpDX.DXGI.Device1 dxgiDevice = device.QueryInterface <SharpDX.DXGI.Device1>())
{
dxgiDevice.MaximumFrameLatency = 1;
}
RenderLoop.Run(form, () =>
{
immediateContext.ClearRenderTargetView(backBufferRenderTargetView, new Color4(1f, 0.5f, 0.3f, 1f));
immediateContext.ClearDepthStencilView(depthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, 1.0f, 0);
backEffect.World = basicEffect.World = Matrix.Identity;
backEffect.View = basicEffect.View = Matrix.Identity;
backEffect.Projection = basicEffect.Projection = Matrix.Identity;
primitive.Draw(backEffect);
primitive.Draw(basicEffect);
swapChain.Present(0, PresentFlags.None);
if (!running)
{
form.Close();
}
});
});
}