629 lines
26 KiB
C#
629 lines
26 KiB
C#
using System;
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using ANX.Framework;
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using ANX.Framework.Graphics;
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using ANX.Framework.NonXNA;
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using ANX.RenderSystem.Windows.DX11.Helpers;
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using SharpDX.D3DCompiler;
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using SharpDX.Direct3D;
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using SharpDX.Direct3D11;
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using SharpDX.DXGI;
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using Device = SharpDX.Direct3D11.Device;
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using ANX.BaseDirectX;
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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namespace ANX.RenderSystem.Windows.DX11
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{
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public class GraphicsDeviceWindowsDX11 : INativeGraphicsDevice
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{
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#region Constants
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private const float ColorMultiplier = 1f / 255f;
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#endregion
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#region Private
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private DeviceContext deviceContext;
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private SwapChain swapChain;
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private RenderTargetView renderView;
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private RenderTargetView[] renderTargetView = new RenderTargetView[1];
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private DepthStencilView depthStencilView;
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private SharpDX.Direct3D11.Texture2D depthStencilBuffer;
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private SharpDX.Direct3D11.Texture2D backBuffer;
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internal Effect_DX11 currentEffect;
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private VertexBuffer currentVertexBuffer;
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private IndexBuffer currentIndexBuffer;
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private SharpDX.Direct3D11.Viewport currentViewport;
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private uint lastClearColor;
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private SharpDX.Color4 clearColor;
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#endregion
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internal DeviceContext NativeDevice
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{
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get
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{
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return this.deviceContext;
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}
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}
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public bool VSync { get; set; }
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public GraphicsDeviceWindowsDX11(PresentationParameters presentationParameters)
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{
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VSync = true;
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// SwapChain description
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var desc = new SwapChainDescription()
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{
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BufferCount = 1,
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ModeDescription = new ModeDescription(presentationParameters.BackBufferWidth,
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presentationParameters.BackBufferHeight, new Rational(60, 1),
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BaseFormatConverter.Translate(presentationParameters.BackBufferFormat)),
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IsWindowed = true,
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OutputHandle = presentationParameters.DeviceWindowHandle,
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SampleDescription = new SampleDescription(1, 0),
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SwapEffect = SwapEffect.Discard,
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Usage = Usage.RenderTargetOutput
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};
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// Create Device and SwapChain
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Device dxDevice;
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#if DIRECTX_DEBUG_LAYER
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// http://msdn.microsoft.com/en-us/library/windows/desktop/bb205068(v=vs.85).aspx
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Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.Debug, desc, out dxDevice, out swapChain);
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#else
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Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, desc, out dxDevice, out swapChain);
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#endif
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this.deviceContext = dxDevice.ImmediateContext;
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// Ignore all windows events
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Factory factory = swapChain.GetParent<Factory>();
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factory.MakeWindowAssociation(presentationParameters.DeviceWindowHandle, WindowAssociationFlags.IgnoreAll);
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WindowHelper.ResizeRenderWindow(presentationParameters);
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// New RenderTargetView from the backbuffer
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backBuffer = SharpDX.Direct3D11.Texture2D.FromSwapChain<SharpDX.Direct3D11.Texture2D>(swapChain, 0);
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renderView = new RenderTargetView(deviceContext.Device, backBuffer);
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currentViewport = new SharpDX.Direct3D11.Viewport(0, 0, presentationParameters.BackBufferWidth, presentationParameters.BackBufferHeight);
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//
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// create the depth stencil buffer
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//
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Format depthFormat = BaseFormatConverter.Translate(presentationParameters.DepthStencilFormat);
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if (depthFormat != Format.Unknown)
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{
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CreateDepthStencilBuffer(depthFormat);
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}
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}
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private void CreateDepthStencilBuffer(Format depthFormat)
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{
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if (this.depthStencilBuffer != null &&
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this.depthStencilBuffer.Description.Format == depthFormat &&
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this.depthStencilBuffer.Description.Width == this.backBuffer.Description.Width &&
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this.depthStencilBuffer.Description.Height == this.backBuffer.Description.Height)
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{
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// a DepthStencilBuffer with the right format and the right size already exists -> nothing to do
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return;
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}
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if (this.depthStencilView != null)
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{
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this.depthStencilView.Dispose();
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this.depthStencilView = null;
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}
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if (this.depthStencilBuffer != null)
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{
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this.depthStencilBuffer.Dispose();
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this.depthStencilBuffer = null;
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}
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if (depthFormat == Format.Unknown)
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{
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// no DepthStencilBuffer to create... Old one was disposed already...
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return;
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}
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DepthStencilViewDescription depthStencilViewDesc = new DepthStencilViewDescription()
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{
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Format = depthFormat,
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};
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Texture2DDescription depthStencilTextureDesc = new Texture2DDescription()
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{
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Width = this.backBuffer.Description.Width,
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Height = this.backBuffer.Description.Height,
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MipLevels = 1,
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ArraySize = 1,
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Format = depthFormat,
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SampleDescription = new SampleDescription(1, 0),
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Usage = ResourceUsage.Default,
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BindFlags = BindFlags.DepthStencil,
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CpuAccessFlags = CpuAccessFlags.None,
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OptionFlags = ResourceOptionFlags.None
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};
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this.depthStencilBuffer = new SharpDX.Direct3D11.Texture2D(deviceContext.Device, depthStencilTextureDesc);
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this.depthStencilView = new DepthStencilView(deviceContext.Device, this.depthStencilBuffer);
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Clear(ClearOptions.DepthBuffer | ClearOptions.Stencil, ANX.Framework.Vector4.Zero, 1.0f, 0); //TODO: this workaround is working but maybe not the best solution to issue #472
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}
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#region Clear
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public void Clear(ref Color color)
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{
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uint newClearColor = color.PackedValue;
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if (lastClearColor != newClearColor)
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{
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lastClearColor = newClearColor;
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clearColor.Red = color.R * ColorMultiplier;
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clearColor.Green = color.G * ColorMultiplier;
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clearColor.Blue = color.B * ColorMultiplier;
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clearColor.Alpha = color.A * ColorMultiplier;
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}
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if (this.renderTargetView[0] == null)
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{
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this.deviceContext.ClearRenderTargetView(this.renderView, this.clearColor);
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}
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else
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{
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for (int i = 0; i < this.renderTargetView.Length; i++)
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{
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if (this.renderTargetView[i] == null)
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{
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break;
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}
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this.deviceContext.ClearRenderTargetView(this.renderTargetView[i], this.clearColor);
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}
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}
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}
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public void Clear(ClearOptions options, ANX.Framework.Vector4 color, float depth, int stencil)
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{
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if ((options & ClearOptions.Target) == ClearOptions.Target)
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{
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// Clear a RenderTarget (or BackBuffer)
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this.clearColor.Red = color.X;
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this.clearColor.Green = color.Y;
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this.clearColor.Blue = color.Z;
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this.clearColor.Alpha = color.W;
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this.lastClearColor = 0;
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if (this.renderTargetView[0] == null)
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{
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this.deviceContext.ClearRenderTargetView(this.renderView, this.clearColor);
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}
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else
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{
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for (int i = 0; i < this.renderTargetView.Length; i++)
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{
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if (this.renderTargetView[i] == null)
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{
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break;
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}
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this.deviceContext.ClearRenderTargetView(this.renderTargetView[i], this.clearColor);
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}
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}
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}
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if (this.depthStencilView != null)
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{
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if ((options | ClearOptions.Stencil | ClearOptions.DepthBuffer) == options)
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{
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// Clear the stencil buffer
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deviceContext.ClearDepthStencilView(this.depthStencilView, DepthStencilClearFlags.Depth | DepthStencilClearFlags.Stencil, depth, (byte)stencil);
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}
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else if ((options | ClearOptions.Stencil) == options)
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{
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deviceContext.ClearDepthStencilView(this.depthStencilView, DepthStencilClearFlags.Stencil, depth, (byte)stencil);
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}
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else
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{
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deviceContext.ClearDepthStencilView(this.depthStencilView, DepthStencilClearFlags.Depth, depth, (byte)stencil);
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}
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}
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}
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#endregion
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#region Present
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public void Present()
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{
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swapChain.Present(VSync ? 1 : 0, PresentFlags.None);
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}
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#endregion
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#region DrawPrimitives & DrawIndexedPrimitives
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public void DrawIndexedPrimitives(PrimitiveType primitiveType, int baseVertex, int minVertexIndex,
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int numVertices, int startIndex, int primitiveCount)
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{
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SharpDX.Direct3D11.EffectPass pass;
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SharpDX.Direct3D11.EffectTechnique technique;
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ShaderBytecode passSignature;
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SetupEffectForDraw(out pass, out technique, out passSignature);
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SetupInputLayout(passSignature);
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// Prepare All the stages
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deviceContext.InputAssembler.PrimitiveTopology = BaseFormatConverter.Translate(primitiveType);
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deviceContext.Rasterizer.SetViewports(currentViewport);
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deviceContext.OutputMerger.SetTargets(this.depthStencilView, this.renderView);
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for (int i = 0; i < technique.Description.PassCount; ++i)
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{
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pass.Apply(deviceContext);
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deviceContext.DrawIndexed(BaseFormatConverter.CalculateVertexCount(primitiveType, primitiveCount), startIndex, baseVertex);
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}
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}
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public void DrawPrimitives(PrimitiveType primitiveType, int vertexOffset, int primitiveCount)
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{
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SharpDX.Direct3D11.EffectPass pass; SharpDX.Direct3D11.EffectTechnique technique; ShaderBytecode passSignature;
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SetupEffectForDraw(out pass, out technique, out passSignature);
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SetupInputLayout(passSignature);
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// Prepare All the stages
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deviceContext.InputAssembler.PrimitiveTopology = BaseFormatConverter.Translate(primitiveType);
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deviceContext.Rasterizer.SetViewports(currentViewport);
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deviceContext.OutputMerger.SetTargets(this.depthStencilView, this.renderView);
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for (int i = 0; i < technique.Description.PassCount; ++i)
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{
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pass.Apply(deviceContext);
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deviceContext.Draw(primitiveCount, vertexOffset);
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}
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}
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#endregion // DrawPrimitives & DrawIndexedPrimitives
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#region DrawInstancedPrimitives
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public void DrawInstancedPrimitives(PrimitiveType primitiveType, int baseVertex, int minVertexIndex, int numVertices, int startIndex, int primitiveCount, int instanceCount)
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{
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deviceContext.DrawIndexedInstanced(numVertices, instanceCount, startIndex, baseVertex, 0);
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}
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#endregion // DrawInstancedPrimitives
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#region DrawUserIndexedPrimitives<T>
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public void DrawUserIndexedPrimitives<T>(PrimitiveType primitiveType, T[] vertexData, int vertexOffset, int numVertices, Array indexData, int indexOffset, int primitiveCount, VertexDeclaration vertexDeclaration, IndexElementSize indexFormat) where T : struct, IVertexType
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{
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int vertexCount = vertexData.Length;
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int indexCount = indexData.Length;
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VertexBuffer_DX11 vb11 = new VertexBuffer_DX11(this.deviceContext.Device, vertexDeclaration, vertexCount, BufferUsage.None);
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vb11.SetData<T>(null, vertexData);
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SharpDX.Direct3D11.VertexBufferBinding nativeVertexBufferBindings = new SharpDX.Direct3D11.VertexBufferBinding(vb11.NativeBuffer, vertexDeclaration.VertexStride, 0);
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deviceContext.InputAssembler.SetVertexBuffers(0, nativeVertexBufferBindings);
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IndexBuffer_DX11 idx10 = new IndexBuffer_DX11(this.deviceContext.Device, indexFormat, indexCount, BufferUsage.None);
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if (indexData.GetType() == typeof(Int16[]))
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{
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idx10.SetData<short>(null, (short[])indexData);
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}
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else
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{
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idx10.SetData<int>(null, (int[])indexData);
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}
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DrawIndexedPrimitives(primitiveType, 0, vertexOffset, numVertices, indexOffset, primitiveCount);
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}
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#endregion // DrawUserIndexedPrimitives<T>
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#region DrawUserPrimitives<T>
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public void DrawUserPrimitives<T>(PrimitiveType primitiveType, T[] vertexData, int vertexOffset, int primitiveCount, VertexDeclaration vertexDeclaration) where T : struct, IVertexType
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{
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int vertexCount = vertexData.Length;
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VertexBuffer_DX11 vb11 = new VertexBuffer_DX11(this.deviceContext.Device, vertexDeclaration, vertexCount, BufferUsage.None);
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vb11.SetData<T>(null, vertexData);
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SharpDX.Direct3D11.VertexBufferBinding nativeVertexBufferBindings = new SharpDX.Direct3D11.VertexBufferBinding(vb11.NativeBuffer, vertexDeclaration.VertexStride, 0);
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deviceContext.InputAssembler.SetVertexBuffers(0, nativeVertexBufferBindings);
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SharpDX.Direct3D11.EffectPass pass; SharpDX.Direct3D11.EffectTechnique technique; ShaderBytecode passSignature;
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SetupEffectForDraw(out pass, out technique, out passSignature);
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var layout = CreateInputLayout(deviceContext.Device, passSignature, vertexDeclaration);
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deviceContext.InputAssembler.InputLayout = layout;
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// Prepare All the stages
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deviceContext.InputAssembler.PrimitiveTopology = BaseFormatConverter.Translate(primitiveType);
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deviceContext.Rasterizer.SetViewports(currentViewport);
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//device.OutputMerger.SetTargets(this.depthStencilView, this.renderView);
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for (int i = 0; i < technique.Description.PassCount; ++i)
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{
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pass.Apply(deviceContext);
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deviceContext.Draw(primitiveCount, vertexOffset);
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}
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}
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#endregion // DrawUserPrimitives<T>
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private void SetupEffectForDraw(out SharpDX.Direct3D11.EffectPass pass, out SharpDX.Direct3D11.EffectTechnique technique, out ShaderBytecode passSignature)
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{
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// get the current effect
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//TODO: check for null and throw exception
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Effect_DX11 effect = this.currentEffect;
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// get the input semantic of the current effect / technique that is used
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//TODO: check for null's and throw exceptions
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// TODO: get the correct pass index!
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technique = effect.GetCurrentTechnique().NativeTechnique;
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pass = technique.GetPassByIndex(0);
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passSignature = pass.Description.Signature;
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}
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private void SetupInputLayout(ShaderBytecode passSignature)
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{
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// get the VertexDeclaration from current VertexBuffer to create input layout for the input assembler
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//TODO: check for null and throw exception
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VertexDeclaration vertexDeclaration = currentVertexBuffer.VertexDeclaration;
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var layout = CreateInputLayout(deviceContext.Device, passSignature, vertexDeclaration);
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deviceContext.InputAssembler.InputLayout = layout;
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}
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public void SetIndexBuffer(IndexBuffer indexBuffer)
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{
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if (indexBuffer == null)
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{
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throw new ArgumentNullException("indexBuffer");
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}
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this.currentIndexBuffer = indexBuffer;
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IndexBuffer_DX11 nativeIndexBuffer = indexBuffer.NativeIndexBuffer as IndexBuffer_DX11;
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if (nativeIndexBuffer != null)
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{
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deviceContext.InputAssembler.SetIndexBuffer(nativeIndexBuffer.NativeBuffer,
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BaseFormatConverter.Translate(indexBuffer.IndexElementSize), 0);
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}
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else
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{
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throw new Exception("couldn't fetch native DirectX10 IndexBuffer");
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}
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}
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#if XNAEXT
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public void SetConstantBuffer(int slot, ANX.Framework.Graphics.ConstantBuffer constantBuffer)
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{
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if (constantBuffer == null)
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{
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throw new ArgumentNullException("constantBuffer");
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}
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throw new NotImplementedException();
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}
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#endif
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public void SetVertexBuffers(ANX.Framework.Graphics.VertexBufferBinding[] vertexBuffers)
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{
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if (vertexBuffers == null)
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{
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throw new ArgumentNullException("vertexBuffers");
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}
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this.currentVertexBuffer = vertexBuffers[0].VertexBuffer; //TODO: hmmmmm, not nice :-)
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SharpDX.Direct3D11.VertexBufferBinding[] nativeVertexBufferBindings = new SharpDX.Direct3D11.VertexBufferBinding[vertexBuffers.Length];
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for (int i = 0; i < vertexBuffers.Length; i++)
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{
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ANX.Framework.Graphics.VertexBufferBinding anxVertexBufferBinding = vertexBuffers[i];
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VertexBuffer_DX11 nativeVertexBuffer = anxVertexBufferBinding.VertexBuffer.NativeVertexBuffer as VertexBuffer_DX11;
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if (nativeVertexBuffer != null)
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{
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nativeVertexBufferBindings[i] = new SharpDX.Direct3D11.VertexBufferBinding(nativeVertexBuffer.NativeBuffer, anxVertexBufferBinding.VertexBuffer.VertexDeclaration.VertexStride, anxVertexBufferBinding.VertexOffset);
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}
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else
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{
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throw new Exception("couldn't fetch native DirectX10 VertexBuffer");
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}
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}
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deviceContext.InputAssembler.SetVertexBuffers(0, nativeVertexBufferBindings);
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}
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public void SetViewport(ANX.Framework.Graphics.Viewport viewport)
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{
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this.currentViewport = new SharpDX.Direct3D11.Viewport(viewport.X, viewport.Y, viewport.Width, viewport.Height, viewport.MinDepth, viewport.MaxDepth);
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}
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/// <summary>
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/// This method creates a InputLayout which is needed by DirectX 10 for rendering primitives. The VertexDeclaration of ANX/XNA needs to be mapped
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/// to the DirectX 10 types. This is what this method is for.
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/// </summary>
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private InputLayout CreateInputLayout(Device device, ShaderBytecode passSignature, VertexDeclaration vertexDeclaration)
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{
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VertexElement[] vertexElements = vertexDeclaration.GetVertexElements();
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int elementCount = vertexElements.Length;
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InputElement[] inputElements = new InputElement[elementCount];
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for (int i = 0; i < elementCount; i++)
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{
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inputElements[i] = CreateInputElementFromVertexElement(vertexElements[i]);
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}
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// Layout from VertexShader input signature
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return new InputLayout(device, passSignature, inputElements);
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}
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private InputElement CreateInputElementFromVertexElement(VertexElement vertexElement)
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{
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string elementName = BaseFormatConverter.Translate(ref vertexElement);
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Format elementFormat;
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switch (vertexElement.VertexElementFormat)
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{
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case VertexElementFormat.Vector2:
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elementFormat = Format.R32G32_Float;
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break;
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case VertexElementFormat.Vector3:
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elementFormat = Format.R32G32B32_Float;
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break;
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case VertexElementFormat.Vector4:
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elementFormat = Format.R32G32B32A32_Float;
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break;
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case VertexElementFormat.Color:
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elementFormat = Format.R8G8B8A8_UNorm;
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break;
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default:
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throw new Exception("can't map '" + vertexElement.VertexElementFormat.ToString() + "' to DXGI.Format in DirectX10 RenderSystem CreateInputElementFromVertexElement");
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}
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return new InputElement(elementName, vertexElement.UsageIndex, elementFormat, vertexElement.Offset, 0);
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}
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public void SetRenderTargets(params RenderTargetBinding[] renderTargets)
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{
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if (renderTargets == null)
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{
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// reset the RenderTarget to backbuffer
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for (int i = 0; i < renderTargetView.Length; i++)
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{
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if (renderTargetView[i] != null)
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{
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renderTargetView[i].Dispose();
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renderTargetView[i] = null;
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}
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|
}
|
|
|
|
//deviceContext.OutputMerger.SetRenderTargets(1, new RenderTargetView[] { this.renderView }, this.depthStencilView);
|
|
deviceContext.OutputMerger.SetTargets(this.depthStencilView, this.renderView);
|
|
}
|
|
else
|
|
{
|
|
int renderTargetCount = renderTargets.Length;
|
|
if (this.renderTargetView.Length != renderTargetCount)
|
|
{
|
|
for (int i = 0; i < renderTargetView.Length; i++)
|
|
{
|
|
if (renderTargetView[i] != null)
|
|
{
|
|
renderTargetView[i].Dispose();
|
|
renderTargetView[i] = null;
|
|
}
|
|
}
|
|
|
|
this.renderTargetView = new RenderTargetView[renderTargetCount];
|
|
}
|
|
|
|
for (int i = 0; i < renderTargetCount; i++)
|
|
{
|
|
RenderTarget2D renderTarget = renderTargets[i].RenderTarget as RenderTarget2D;
|
|
if (renderTarget != null)
|
|
{
|
|
RenderTarget2D_DX11 nativeRenderTarget = renderTarget.NativeRenderTarget as RenderTarget2D_DX11;
|
|
|
|
if (renderTargetView[i] != null)
|
|
{
|
|
renderTargetView[i].Dispose();
|
|
}
|
|
|
|
renderTargetView[i] = new RenderTargetView(deviceContext.Device, ((Texture2D_DX11)nativeRenderTarget).NativeShaderResourceView.Resource);
|
|
}
|
|
}
|
|
|
|
//deviceContext.OutputMerger.SetRenderTargets(renderTargetCount, renderTargetView, this.depthStencilView);
|
|
deviceContext.OutputMerger.SetTargets(this.depthStencilView, this.renderTargetView);
|
|
}
|
|
}
|
|
|
|
public void GetBackBufferData<T>(ANX.Framework.Rectangle? rect, T[] data, int startIndex, int elementCount) where T : struct
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public void GetBackBufferData<T>(T[] data) where T : struct
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public void GetBackBufferData<T>(T[] data, int startIndex, int elementCount) where T : struct
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
public void ResizeBuffers(PresentationParameters presentationParameters)
|
|
{
|
|
if (swapChain != null)
|
|
{
|
|
renderView.Dispose();
|
|
backBuffer.Dispose();
|
|
|
|
//TODO: handle format
|
|
|
|
swapChain.ResizeBuffers(swapChain.Description.BufferCount, presentationParameters.BackBufferWidth, presentationParameters.BackBufferHeight, Format.R8G8B8A8_UNorm, swapChain.Description.Flags);
|
|
|
|
backBuffer = SharpDX.Direct3D11.Texture2D.FromSwapChain<SharpDX.Direct3D11.Texture2D>(swapChain, 0);
|
|
renderView = new RenderTargetView(deviceContext.Device, backBuffer);
|
|
|
|
currentViewport = new SharpDX.Direct3D11.Viewport(0, 0, presentationParameters.BackBufferWidth, presentationParameters.BackBufferHeight);
|
|
|
|
//
|
|
// create the depth stencil buffer
|
|
//
|
|
Format depthFormat = BaseFormatConverter.Translate(presentationParameters.DepthStencilFormat);
|
|
if (depthFormat != Format.Unknown)
|
|
{
|
|
CreateDepthStencilBuffer(depthFormat);
|
|
}
|
|
}
|
|
|
|
WindowHelper.ResizeRenderWindow(presentationParameters);
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
for (int i = 0; i < renderTargetView.Length; i++)
|
|
{
|
|
if (renderTargetView[i] != null)
|
|
{
|
|
renderTargetView[i].Dispose();
|
|
renderTargetView[i] = null;
|
|
}
|
|
}
|
|
|
|
if (swapChain != null)
|
|
{
|
|
renderView.Dispose();
|
|
renderView = null;
|
|
|
|
backBuffer.Dispose();
|
|
backBuffer = null;
|
|
|
|
swapChain.Dispose();
|
|
swapChain = null;
|
|
}
|
|
|
|
if (this.depthStencilView != null)
|
|
{
|
|
this.depthStencilBuffer.Dispose();
|
|
this.depthStencilBuffer = null;
|
|
|
|
this.depthStencilView.Dispose();
|
|
this.depthStencilView = null;
|
|
}
|
|
|
|
//TODO: dispose everything else
|
|
}
|
|
}
|
|
}
|