private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["standardVS"],
PixelShader = _shaders["opaquePS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = unchecked ((int)uint.MaxValue),
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
_psos["opaque"] = Device.CreateGraphicsPipelineState(opaquePsoDesc);
}
protected void Initialize(PipelineStateDescription description)
{
var pipelineStateDescription = new GraphicsPipelineStateDescription()
{
// From mesh
InputLayout = FromVertexLayout(description.InputLayout),
// From effect
RootSignature = description.RootSignature.NativeRootSignature,
VertexShader = new SharpDX.Direct3D12.ShaderBytecode(description.VertexShader),
PixelShader = new SharpDX.Direct3D12.ShaderBytecode(description.PixelShader),
// Common
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = Format.D32_Float,
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
pipelineStateDescription.RenderTargetFormats[0] = Format.B8G8R8A8_UNorm;
NativePipelineState = Device.NativeDevice.CreateGraphicsPipelineState(pipelineStateDescription);
}
private void PlatformConstruct(GraphicsDevice graphicsDevice, PipelineStateDescription description)
{
var rasterizerState = description.RasterizerState.ToRasterizerStateDescription();
var blendState = description.BlendState.ToBlendStateDescription();
var depthStencilState = description.DepthStencilState.ToDepthStencilStateDescription();
var deviceDescription = new GraphicsPipelineStateDescription
{
BlendState = blendState,
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = depthStencilState,
Flags = PipelineStateFlags.None,
InputLayout = description.VertexDescriptor?.DeviceInputLayoutDescription ?? new InputLayoutDescription(),
PixelShader = description.PixelShader.DeviceBytecode,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RasterizerState = rasterizerState,
RenderTargetCount = 1,
RootSignature = description.PipelineLayout.DeviceRootSignature,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
SampleMask = int.MaxValue,
StreamOutput = new StreamOutputDescription(),
VertexShader = description.VertexShader.DeviceBytecode
};
deviceDescription.RenderTargetFormats[0] = description.RenderTargetFormat.ToDxgiFormat();
DevicePipelineState = AddDisposable(graphicsDevice.Device.CreateGraphicsPipelineState(deviceDescription));
}
private void CreatePSO(InputElement[] inputElementDescs, ShaderBytecode vertexShader, ShaderBytecode pixelShader)
{
// Describe and create the graphics pipeline state object (PSO).
var psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = rootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = new DepthStencilStateDescription()
{
IsDepthEnabled = true,
DepthComparison = Comparison.LessEqual,
DepthWriteMask = DepthWriteMask.All,
IsStencilEnabled = false
},
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
pipelineState = device.CreateGraphicsPipelineState(psoDesc);
commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);
commandList.Close();
}
public unsafe ID3D12PipelineState LoadGraphicsPipeline(string name, GraphicsPipelineStateDescription description)
{
Guard.NotNullOrEmpty(name, nameof(name));
Guard.NotNull(description, nameof(description));
return(LoadGraphicsPipeline(name, description, typeof(ID3D12PipelineState).GUID));
}
public static GraphicsPipelineStateDescription Copy(this GraphicsPipelineStateDescription desc)
{
var newDesc = new GraphicsPipelineStateDescription
{
BlendState = desc.BlendState,
CachedPSO = desc.CachedPSO,
DepthStencilFormat = desc.DepthStencilFormat,
DepthStencilState = desc.DepthStencilState,
SampleDescription = desc.SampleDescription,
DomainShader = desc.DomainShader,
Flags = desc.Flags,
GeometryShader = desc.GeometryShader,
HullShader = desc.HullShader,
IBStripCutValue = desc.IBStripCutValue,
InputLayout = desc.InputLayout,
NodeMask = desc.NodeMask,
PixelShader = desc.PixelShader,
PrimitiveTopologyType = desc.PrimitiveTopologyType,
RasterizerState = desc.RasterizerState,
RenderTargetCount = desc.RenderTargetCount,
SampleMask = desc.SampleMask,
StreamOutput = desc.StreamOutput,
VertexShader = desc.VertexShader,
RootSignature = desc.RootSignature
};
for (int i = 0; i < desc.RenderTargetFormats.Length; i++)
{
newDesc.RenderTargetFormats[i] = desc.RenderTargetFormats[i];
}
return(newDesc);
}
private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["tessVS"],
HullShader = _shaders["tessHS"],
DomainShader = _shaders["tessDS"],
PixelShader = _shaders["tessPS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = unchecked ((int)0xFFFFFFFF),
PrimitiveTopologyType = PrimitiveTopologyType.Patch,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
opaquePsoDesc.RasterizerState.FillMode = FillMode.Wireframe;
_psos["opaque"] = Device.CreateGraphicsPipelineState(opaquePsoDesc);
}
private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["standardVS"],
PixelShader = _shaders["opaquePS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat,
StreamOutput = new StreamOutputDescription() //find out how this should actually be done later
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
_opaquePso = Device.CreateGraphicsPipelineState(opaquePsoDesc);
}
private void BuildPSO()
{
var psoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _mvsByteCode,
PixelShader = _mpsByteCode,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat,
//Flags = PipelineStateFlags.None,
//IBStripCutValue = IndexBufferStripCutValue.Disabled,
//NodeMask = 0,
//CachedPSO = new CachedPipelineState(),
//DomainShader = new ShaderBytecode(),
//GeometryShader = new ShaderBytecode(),
//HullShader = new ShaderBytecode(),
//RenderTargetFormats = new Format[] { },
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = BackBufferFormat;
_pso = Device.CreateGraphicsPipelineState(psoDesc);
}
private bool Add(string name, GraphicsPipelineStateDescription description)
{
Pipeline pipeline = new Pipeline();
pipeline.Description = description;
pipeline.State = Engine.Instance.Core.Device.CreateGraphicsPipelineState(description);
return(Pipelines.TryAdd(name, pipeline));
}
void GetPipelineState()
{
DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange() { RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, DescriptorCount = 1 } };
RootParameter parameter = new RootParameter(ShaderVisibility.Vertex, ranges);
// Create a root signature.
RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter });
var rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());
// Create the pipeline state, which includes compiling and loading shaders.
string filePath = @"E:\Code\ROE1\RoeHack-master\Forms\bin\Debug\DirectXHooker\shaders.hlsl";
#if DEBUG
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile(filePath, "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("filePath, "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile(filePath, "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile(filePath, "PSMain", "ps_5_0"));
#endif
// Define the vertex input layout.
InputElement[] inputElementDescs = new InputElement[]
{
new InputElement("POSITION",0,Format.R32G32B32_Float,0,0),
new InputElement("COLOR",0,Format.R32G32B32A32_Float,12,0)
};
// Describe and create the graphics pipeline state object (PSO).
GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = rootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.DepthStencilState.IsDepthEnabled = false;
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
pipelineState = device.CreateGraphicsPipelineState(psoDesc);
}
private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["standardVS"],
PixelShader = _shaders["opaquePS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = unchecked ((int)uint.MaxValue),
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat,
StreamOutput = new StreamOutputDescription() //find out how this should actually be done later
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
_psos["opaque"] = Device.CreateGraphicsPipelineState(opaquePsoDesc);
//
// PSO for highlight objects.
//
GraphicsPipelineStateDescription highlightPsoDesc = opaquePsoDesc.Copy();
// Change the depth test from < to <= so that if we draw the same triangle twice, it will
// still pass the depth test. This is needed because we redraw the picked triangle with a
// different material to highlight it. If we do not use <=, the triangle will fail the
// depth test the 2nd time we try and draw it.
highlightPsoDesc.DepthStencilState.DepthComparison = Comparison.LessEqual;
// Standard transparency blending.
var transparencyBlendDesc = new RenderTargetBlendDescription
{
IsBlendEnabled = true,
LogicOpEnable = false,
SourceBlend = BlendOption.SourceAlpha,
DestinationBlend = BlendOption.InverseSourceAlpha,
BlendOperation = BlendOperation.Add,
SourceAlphaBlend = BlendOption.One,
DestinationAlphaBlend = BlendOption.Zero,
AlphaBlendOperation = BlendOperation.Add,
RenderTargetWriteMask = ColorWriteMaskFlags.All
};
highlightPsoDesc.BlendState.RenderTarget[0] = transparencyBlendDesc;
_psos["highlight"] = Device.CreateGraphicsPipelineState(highlightPsoDesc);
}
private void PlatformCreateShaders()
{
var inputElementDescs = new[]
{
new InputElement("POSITION", 0, Format.R32G32_Float, 0, 0),
new InputElement("COLOR", 0, Format.B8G8R8A8_UNorm, 8, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 8 + 4, 0)
};
var psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = graphicsHost.RootSignature,
VertexShader = DXHelper.CompileShader(vertexShaderSource, "main", "vs_5_0"),
PixelShader = DXHelper.CompileShader(pixelShaderSource, "main", "ps_5_0"),
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = new DepthStencilStateDescription()
{
IsDepthEnabled = false, IsStencilEnabled = false
},
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
pipelineState = graphicsHost.Device.CreateGraphicsPipelineState(psoDesc);
// TODO: Move buffer
var constantBufferDesc = ResourceDescription.Buffer(1024 * 64);
constantBuffer = graphicsHost.Device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, constantBufferDesc, ResourceStates.GenericRead);
constantBuffer.Name = "[SpriteRenderer] Constant Buffer";
var cbvDesc = new ConstantBufferViewDescription()
{
BufferLocation = constantBuffer.GPUVirtualAddress,
SizeInBytes = (SharpDX.Utilities.SizeOf <ConstantBuffer>() + 255) & ~255,
};
graphicsHost.Device.CreateConstantBufferView(cbvDesc, graphicsHost.CBVHeap.CPUDescriptorHandleForHeapStart);
mappedConstantBuffer = constantBuffer.Map(0);
SharpDX.Utilities.Write(mappedConstantBuffer, ref constantBufferData);
}
public void LoadShaders(string path)
{
BuildDescriptorHeaps();
BuildConstantBuffers <Simple2DConst>();
if (RootMake == null)
{
BuildRootSignature();
Root = _rootSignature;
}
else
{
RootMake?.Invoke();
}
VertexCode = LoadVertex(path);
FragCode = LoadFrag(path);
SetupShader();
var psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(Input),
RootSignature = Root,
VertexShader = VertexCode,
PixelShader = FragCode,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = new DepthStencilStateDescription()
{
IsDepthEnabled = false, IsStencilEnabled = false
},
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
//psoDesc.
pipelineState = DXGlobal.device.CreateGraphicsPipelineState(psoDesc);
_pip = pipelineState;
// commandList = DXGlobal.device.CreateCommandList(CommandListType.Direct, DXGlobal.Display.DirectCmdListAlloc, pipelineState);
}
private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["standardVS"],
PixelShader = _shaders["opaquePS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = unchecked ((int)uint.MaxValue),
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat,
StreamOutput = new StreamOutputDescription() //find out how this should actually be done later
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
_psos["opaque"] = Device.CreateGraphicsPipelineState(opaquePsoDesc);
//
// PSO for sky.
//
GraphicsPipelineStateDescription skyPsoDesc = opaquePsoDesc.Copy();
// The camera is inside the sky sphere, so just turn off culling.
skyPsoDesc.RasterizerState.CullMode = CullMode.None;
// Make sure the depth function is LESS_EQUAL and not just LESS.
// Otherwise, the normalized depth values at z = 1 (NDC) will
// fail the depth test if the depth buffer was cleared to 1.
skyPsoDesc.DepthStencilState.DepthComparison = Comparison.LessEqual;
skyPsoDesc.RootSignature = _rootSignature;
skyPsoDesc.VertexShader = _shaders["skyVS"];
skyPsoDesc.PixelShader = _shaders["skyPS"];
_psos["sky"] = Device.CreateGraphicsPipelineState(skyPsoDesc);
}
private static GraphicsPipelineStateDescription CreateGraphicsPipelineStateDescription(GraphicsDevice device, RootSignature rootSignature, InputElementDescription[] inputElements, byte[] vertexShader, byte[] pixelShader, byte[]?geometryShader, byte[]?hullShader, byte[]?domainShader)
{
RasterizerDescription rasterizerDescription = RasterizerDescription.CullNone;
rasterizerDescription.FrontCounterClockwise = true;
BlendDescription blendDescription = BlendDescription.AlphaBlend;
InputLayoutDescription inputLayoutDescription = new InputLayoutDescription(inputElements.Select(i => Unsafe.As <InputElementDescription, Vortice.Direct3D12.InputElementDescription>(ref i)).ToArray());
GraphicsPipelineStateDescription pipelineStateDescription = new GraphicsPipelineStateDescription
{
InputLayout = inputLayoutDescription,
RootSignature = rootSignature.NativeRootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
GeometryShader = geometryShader,
HullShader = hullShader,
DomainShader = domainShader,
RasterizerState = rasterizerDescription,
BlendState = blendDescription,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
StreamOutput = new StreamOutputDescription()
};
DepthStencilView?depthStencilBuffer = device.CommandList.DepthStencilBuffer;
if (depthStencilBuffer != null)
{
pipelineStateDescription.DepthStencilFormat = (Format)depthStencilBuffer.Resource.Description.Format;
}
Format[] renderTargetFormats = new Format[device.CommandList.RenderTargets.Length];
for (int i = 0; i < renderTargetFormats.Length; i++)
{
renderTargetFormats[i] = (Format)device.CommandList.RenderTargets[i].Resource.Description.Format;
}
pipelineStateDescription.RenderTargetFormats = renderTargetFormats;
return(pipelineStateDescription);
}
private static GraphicsPipelineStateDescription CreateGraphicsPipelineStateDescription(GraphicsDevice device, InputElementDescription[] inputElements, ID3D12RootSignature rootSignature, ShaderBytecode vertexShader, ShaderBytecode pixelShader, ShaderBytecode geometryShader, ShaderBytecode hullShader, ShaderBytecode domainShader)
{
RasterizerDescription rasterizerDescription = RasterizerDescription.CullNone;
rasterizerDescription.FrontCounterClockwise = true;
BlendDescription blendDescription = BlendDescription.AlphaBlend;
GraphicsPipelineStateDescription pipelineStateDescription = new GraphicsPipelineStateDescription
{
InputLayout = new InputLayoutDescription(inputElements),
RootSignature = rootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
GeometryShader = geometryShader,
HullShader = hullShader,
DomainShader = domainShader,
RasterizerState = rasterizerDescription,
BlendState = blendDescription,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
StreamOutput = new StreamOutputDescription()
};
Texture?depthStencilBuffer = device.CommandList.DepthStencilBuffer;
if (depthStencilBuffer != null)
{
pipelineStateDescription.DepthStencilFormat = (Format)depthStencilBuffer.Description.Format;
}
Format[] renderTargetFormats = new Format[device.CommandList.RenderTargets.Length];
for (int i = 0; i < renderTargetFormats.Length; i++)
{
renderTargetFormats[i] = (Format)((Texture)device.CommandList.RenderTargets[i]).Description.Format;
}
pipelineStateDescription.RenderTargetFormats = renderTargetFormats;
return(pipelineStateDescription);
}
public void CreatePipeline()
{
InputElementDescription[] inputElementDescs = new InputElementDescription[]
{
new InputElementDescription("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElementDescription("COLOR", 0, Format.R32G32B32A32_Float, 12, 0),
};
var psoDesc = new GraphicsPipelineStateDescription()
{
RootSignature = RootSignature,
InputLayout = new InputLayoutDescription(inputElementDescs),
SampleMask = uint.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RasterizerState = RasterizerDescription.CullCounterClockwise,
BlendState = BlendDescription.Opaque,
DepthStencilState = DepthStencilDescription.None,
RenderTargetFormats = new[] { Format.R8G8B8A8_UNorm },
DepthStencilFormat = Format.Unknown,
SampleDescription = new SampleDescription(1, 0),
//IndexBufferStripCutValue = IndexBufferStripCutValue.Value0xFFFF
StreamOutput = new StreamOutputDescription()
{
//RasterizedStream =
},
HullShader = PipelineStateDescription.HullShader == null ? null : PipelineStateDescription.HullShader.Data,
GeometryShader = PipelineStateDescription.GeometryShader == null ? null : PipelineStateDescription.GeometryShader.Data,
DomainShader = PipelineStateDescription.DomainShader == null ? null : PipelineStateDescription.DomainShader.Data,
VertexShader = PipelineStateDescription.VertexShader == null ? null : PipelineStateDescription.VertexShader.Data,
PixelShader = PipelineStateDescription.PixelShader == null ? null : PipelineStateDescription.PixelShader.Data,
};
oldPipelineState = GraphicsDevice.NativeDevice.CreateGraphicsPipelineState <ID3D12PipelineState>(psoDesc);
}
private void BuildPSO()
{
var psoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _mvsByteCode,
PixelShader = _mpsByteCode,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat
};
psoDesc.RenderTargetFormats[0] = BackBufferFormat;
_pso = Device.CreateGraphicsPipelineState(psoDesc);
}
private void LoadAssets()
{
// Create an empty root signature.
var rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout);
rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());
// Create the pipeline state, which includes compiling and loading shaders.
#if DEBUG
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif
// Define the vertex input layout.
var inputElementDescs = new []
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 12, 0)
};
// Describe and create the graphics pipeline state object (PSO).
var psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = rootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = new DepthStencilStateDescription()
{
IsDepthEnabled = false, IsStencilEnabled = false
},
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
pipelineState = device.CreateGraphicsPipelineState(psoDesc);
// Create the command list.
commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);
// Create the vertex buffer.
float aspectRatio = viewport.Width / viewport.Height;
// Define the geometry for a triangle.
var triangleVertices = new []
{
new Vertex()
{
Position = new Vector3(0.0f, 0.25f * aspectRatio, 0.0f), Color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
},
new Vertex()
{
Position = new Vector3(0.25f, -0.25f * aspectRatio, 0.0f), Color = new Vector4(0.0f, 1.0f, 0.0f, 1.0f)
},
new Vertex()
{
Position = new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f), Color = new Vector4(0.0f, 0.0f, 1.0f, 1.0f)
},
};
int vertexBufferSize = Utilities.SizeOf(triangleVertices);
// Note: using upload heaps to transfer static data like vert buffers is not
// recommended. Every time the GPU needs it, the upload heap will be marshalled
// over. Please read up on Default Heap usage. An upload heap is used here for
// code simplicity and because there are very few verts to actually transfer.
vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
// Copy the triangle data to the vertex buffer.
IntPtr pVertexDataBegin = vertexBuffer.Map(0);
Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
vertexBuffer.Unmap(0);
// Initialize the vertex buffer view.
vertexBufferView = new VertexBufferView();
vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
vertexBufferView.StrideInBytes = Utilities.SizeOf <Vertex>();
vertexBufferView.SizeInBytes = vertexBufferSize;
// Command lists are created in the recording state, but there is nothing
// to record yet. The main loop expects it to be closed, so close it now.
commandList.Close();
// Create synchronization objects.
fence = device.CreateFence(0, FenceFlags.None);
fenceValue = 1;
// Create an event handle to use for frame synchronization.
fenceEvent = new AutoResetEvent(false);
}
private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["standardVS"],
PixelShader = _shaders["opaquePS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat,
StreamOutput = new StreamOutputDescription() //find out how this should actually be done later
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
_psos["opaque"] = Device.CreateGraphicsPipelineState(opaquePsoDesc);
//
// PSO for transparent objects.
//
GraphicsPipelineStateDescription transparentPsoDesc = opaquePsoDesc.Copy();
var transparencyBlendDesc = new RenderTargetBlendDescription
{
IsBlendEnabled = true,
LogicOpEnable = false,
SourceBlend = BlendOption.SourceAlpha,
DestinationBlend = BlendOption.InverseSourceAlpha,
BlendOperation = BlendOperation.Add,
SourceAlphaBlend = BlendOption.One,
DestinationAlphaBlend = BlendOption.Zero,
AlphaBlendOperation = BlendOperation.Add,
LogicOp = LogicOperation.Noop,
RenderTargetWriteMask = ColorWriteMaskFlags.All
};
transparentPsoDesc.BlendState.RenderTarget[0] = transparencyBlendDesc;
_psos["transparent"] = Device.CreateGraphicsPipelineState(transparentPsoDesc);
//
// PSO for alpha tested objects.
//
GraphicsPipelineStateDescription alphaTestedPsoDesc = opaquePsoDesc.Copy();
alphaTestedPsoDesc.PixelShader = _shaders["alphaTestedPS"];
alphaTestedPsoDesc.RasterizerState.CullMode = CullMode.None;
_psos["alphaTested"] = Device.CreateGraphicsPipelineState(alphaTestedPsoDesc);
//
// PSO for drawing waves.
//
GraphicsPipelineStateDescription wavesRenderPSO = transparentPsoDesc.Copy();
wavesRenderPSO.VertexShader = _shaders["wavesVS"];
_psos["wavesRender"] = Device.CreateGraphicsPipelineState(wavesRenderPSO);
//
// PSO for compositing post process.
//
GraphicsPipelineStateDescription compositePSO = opaquePsoDesc.Copy();
compositePSO.RootSignature = _postProcessRootSignature;
// Disable depth test.
compositePSO.DepthStencilState.IsDepthEnabled = false;
compositePSO.DepthStencilState.DepthWriteMask = DepthWriteMask.Zero;
compositePSO.DepthStencilState.DepthComparison = Comparison.Always;
compositePSO.VertexShader = _shaders["compositeVS"];
compositePSO.PixelShader = _shaders["compositePS"];
_psos["composite"] = Device.CreateGraphicsPipelineState(compositePSO);
//
// PSO for disturbing waves.
//
var wavesDisturbPSO = new ComputePipelineStateDescription
{
RootSignaturePointer = _wavesRootSignature,
ComputeShader = _shaders["wavesDisturbCS"],
Flags = PipelineStateFlags.None
};
_psos["wavesDisturb"] = Device.CreateComputePipelineState(wavesDisturbPSO);
//
// PSO for updating waves.
//
var wavesUpdatePSO = new ComputePipelineStateDescription
{
RootSignaturePointer = _wavesRootSignature,
ComputeShader = _shaders["wavesUpdateCS"],
Flags = PipelineStateFlags.None
};
_psos["wavesUpdate"] = Device.CreateComputePipelineState(wavesUpdatePSO);
//
// PSO for sobel.
//
var sobelPSO = new ComputePipelineStateDescription
{
RootSignaturePointer = _postProcessRootSignature,
ComputeShader = _shaders["sobelCS"],
Flags = PipelineStateFlags.None
};
_psos["sobel"] = Device.CreateComputePipelineState(sobelPSO);
}
private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["standardVS"],
PixelShader = _shaders["opaquePS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
_psos["opaque"] = Device.CreateGraphicsPipelineState(opaquePsoDesc);
//
// PSO for transparent objects.
//
GraphicsPipelineStateDescription transparentPsoDesc = opaquePsoDesc.Copy();
var transparencyBlendDesc = new RenderTargetBlendDescription
{
IsBlendEnabled = true,
LogicOpEnable = false, // TODO: API suggestion: Rename to IsLogicOpEnabled similar to IsBlendEnabled.
SourceBlend = BlendOption.SourceAlpha,
DestinationBlend = BlendOption.InverseSourceAlpha,
BlendOperation = BlendOperation.Add,
SourceAlphaBlend = BlendOption.One,
DestinationAlphaBlend = BlendOption.Zero,
AlphaBlendOperation = BlendOperation.Add,
LogicOp = LogicOperation.Noop,
RenderTargetWriteMask = ColorWriteMaskFlags.All
};
transparentPsoDesc.BlendState.RenderTarget[0] = transparencyBlendDesc;
_psos["transparent"] = Device.CreateGraphicsPipelineState(transparentPsoDesc);
//
// PSO for alpha tested objects.
//
GraphicsPipelineStateDescription alphaTestedPsoDesc = opaquePsoDesc.Copy();
alphaTestedPsoDesc.PixelShader = _shaders["alphaTestedPS"];
alphaTestedPsoDesc.RasterizerState.CullMode = CullMode.None;
_psos["alphaTested"] = Device.CreateGraphicsPipelineState(alphaTestedPsoDesc);
}
public void BuildPSO(Device3 device, GraphicsCommandList commandList)
{
World = Matrix.Translation(-2.5f, -2.5f, -2.5f);
buffer.World = World;
light = new Lighting
{
GlobalAmbientX = 1,
GlobalAmbientY = 1,
GlobalAmbientZ = 1,
KaX = .1f,
KaY = .1f,
KaZ = .1f,
KdX = .5f,
KdY = .5f,
KdZ = .5f,
KeX = .25f,
KeY = .25f,
KeZ = .25f,
KsX = .1f,
KsY = .1f,
KsZ = .1f,
LightColorX = 1,
LightColorY = 1,
LightColorZ = 1,
LightPositionX = 10,
LightPositionY = 10,
LightPositionZ = 10,
shininess = 5
};
DescriptorHeapDescription srvHeapDesc = new DescriptorHeapDescription()
{
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
};
_srvDescriptorHeap = device.CreateDescriptorHeap(srvHeapDesc);
//setup descriptor ranges
DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange()
{
RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0
} };
//Get sampler state setup
StaticSamplerDescription sampler = new StaticSamplerDescription()
{
Filter = Filter.MinimumMinMagMipPoint,
AddressU = TextureAddressMode.Border,
AddressV = TextureAddressMode.Border,
AddressW = TextureAddressMode.Border,
MipLODBias = 0,
MaxAnisotropy = 0,
ComparisonFunc = Comparison.Never,
BorderColor = StaticBorderColor.TransparentBlack,
MinLOD = 0.0f,
MaxLOD = float.MaxValue,
ShaderRegister = 0,
RegisterSpace = 0,
ShaderVisibility = ShaderVisibility.Pixel,
};
Projection = Matrix.PerspectiveFovLH((float)Math.PI / 3f, 4f / 3f, 1, 1000);
View = Matrix.LookAtLH(new Vector3(10 * (float)Math.Sin(rotation), 5, 10 * (float)Math.Cos(rotation)), Vector3.Zero, Vector3.UnitY);
World = Matrix.Translation(-2.5f, -2.5f, -2.5f);
DescriptorHeapDescription cbvHeapDesc = new DescriptorHeapDescription()
{
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
};
_objectViewHeap = device.CreateDescriptorHeap(cbvHeapDesc);
_lightingViewHeap = device.CreateDescriptorHeap(cbvHeapDesc);
RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges),
new RootParameter(ShaderVisibility.All, new RootDescriptor(1, 0), RootParameterType.ConstantBufferView),
new RootParameter(ShaderVisibility.All, new RootDescriptor(2, 0), RootParameterType.ConstantBufferView) };
// Create an empty root signature.
RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters, new StaticSamplerDescription[] { sampler });
_rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());
// Create the pipeline state, which includes compiling and loading shaders.
#if DEBUG
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/LitVertex.hlsl", "PSMain", "ps_5_0"));
#endif
// Define the vertex input layout.
InputElement[] inputElementDescs = new InputElement[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 24, 0)
};
// Describe and create the graphics pipeline state object (PSO).
GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = _rootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D24_UNorm_S8_UInt,
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
_pipelineState = device.CreateGraphicsPipelineState(psoDesc);
// Define the geometry for a triangle.
Vertex[] triangleVertices = new Vertex[]
{
//Front
new Vertex()
{
Position = new Vector3(0, 0, 0), TexCoord = new Vector2(1, 1), Normal = -Vector3.UnitZ
},
new Vertex()
{
Position = new Vector3(0, 5, 0), TexCoord = new Vector2(1, 0), Normal = -Vector3.UnitZ
},
new Vertex()
{
Position = new Vector3(5, 0, 0), TexCoord = new Vector2(0, 1), Normal = -Vector3.UnitZ
},
new Vertex()
{
Position = new Vector3(5, 5, 0), TexCoord = new Vector2(0, 0), Normal = -Vector3.UnitZ
},
//Back
new Vertex()
{
Position = new Vector3(0, 0, 5), TexCoord = new Vector2(1, 1), Normal = Vector3.UnitZ
},
new Vertex()
{
Position = new Vector3(0, 5, 5), TexCoord = new Vector2(1, 0), Normal = Vector3.UnitZ
},
new Vertex()
{
Position = new Vector3(5, 0, 5), TexCoord = new Vector2(0, 1), Normal = Vector3.UnitZ
},
new Vertex()
{
Position = new Vector3(5, 5, 5), TexCoord = new Vector2(0, 0), Normal = Vector3.UnitZ
},
//Left
new Vertex()
{
Position = new Vector3(0, 0, 0), TexCoord = new Vector2(1, 1), Normal = -Vector3.UnitX
},
new Vertex()
{
Position = new Vector3(0, 5, 0), TexCoord = new Vector2(1, 0), Normal = -Vector3.UnitX
},
new Vertex()
{
Position = new Vector3(0, 0, 5), TexCoord = new Vector2(0, 1), Normal = -Vector3.UnitX
},
new Vertex()
{
Position = new Vector3(0, 5, 5), TexCoord = new Vector2(0, 0), Normal = -Vector3.UnitX
},
//Right
new Vertex()
{
Position = new Vector3(5, 0, 0), TexCoord = new Vector2(1, 1), Normal = Vector3.UnitX
},
new Vertex()
{
Position = new Vector3(5, 5, 0), TexCoord = new Vector2(1, 0), Normal = Vector3.UnitX
},
new Vertex()
{
Position = new Vector3(5, 0, 5), TexCoord = new Vector2(0, 1), Normal = Vector3.UnitX
},
new Vertex()
{
Position = new Vector3(5, 5, 5), TexCoord = new Vector2(0, 0), Normal = Vector3.UnitX
},
//Top
new Vertex()
{
Position = new Vector3(0, 0, 0), TexCoord = new Vector2(1, 1), Normal = -Vector3.UnitY
},
new Vertex()
{
Position = new Vector3(0, 0, 5), TexCoord = new Vector2(1, 0), Normal = -Vector3.UnitY
},
new Vertex()
{
Position = new Vector3(5, 0, 0), TexCoord = new Vector2(0, 1), Normal = -Vector3.UnitY
},
new Vertex()
{
Position = new Vector3(5, 0, 5), TexCoord = new Vector2(0, 0), Normal = -Vector3.UnitY
},
//Bottom
new Vertex()
{
Position = new Vector3(0, 5, 0), TexCoord = new Vector2(1, 1), Normal = Vector3.UnitY
},
new Vertex()
{
Position = new Vector3(0, 5, 5), TexCoord = new Vector2(1, 0), Normal = Vector3.UnitY
},
new Vertex()
{
Position = new Vector3(5, 5, 0), TexCoord = new Vector2(0, 1), Normal = Vector3.UnitY
},
new Vertex()
{
Position = new Vector3(5, 5, 5), TexCoord = new Vector2(0, 0), Normal = Vector3.UnitY
}
};
int vertexBufferSize = Utilities.SizeOf(triangleVertices);
// Note: using upload heaps to transfer static data like vert buffers is not
// recommended. Every time the GPU needs it, the upload heap will be marshalled
// over. Please read up on Default Heap usage. An upload heap is used here for
// code simplicity and because there are very few verts to actually transfer.
_vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
// Copy the triangle data to the vertex buffer.
IntPtr pVertexDataBegin = _vertexBuffer.Map(0);
Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
_vertexBuffer.Unmap(0);
_indicies = new int[] { 0, 1, 2,
3, 2, 1,
6, 5, 4,
5, 6, 7,
10, 9, 8,
9, 10, 11,
12, 13, 14,
15, 14, 13,
18, 17, 16,
17, 18, 19,
20, 21, 22,
23, 22, 21 };
int indBufferSize = Utilities.SizeOf(_indicies);
_indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indBufferSize), ResourceStates.GenericRead);
IntPtr pIndBegin = _indexBuffer.Map(0);
Utilities.Write(pIndBegin, _indicies, 0, _indicies.Length);
_indexBuffer.Unmap(0);
_indexBufferView = new IndexBufferView()
{
BufferLocation = _indexBuffer.GPUVirtualAddress,
Format = Format.R32_UInt,
SizeInBytes = indBufferSize
};
// Initialize the vertex buffer view.
_vertexBufferView = new VertexBufferView
{
BufferLocation = _vertexBuffer.GPUVirtualAddress,
StrideInBytes = Utilities.SizeOf <Vertex>(),
SizeInBytes = vertexBufferSize
};
_objectBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(Utilities.SizeOf <ObjectData>()), ResourceStates.GenericRead);
//// Describe and create a constant buffer view.
ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
{
BufferLocation = _objectBuffer.GPUVirtualAddress,
SizeInBytes = (Utilities.SizeOf <ObjectData>() + 255) & ~255
};
device.CreateConstantBufferView(cbvDesc, _objectViewHeap.CPUDescriptorHandleForHeapStart);
// Initialize and map the constant buffers. We don't unmap this until the
// app closes. Keeping things mapped for the lifetime of the resource is okay.
_objectPointer = _objectBuffer.Map(0);
Utilities.Write(_objectPointer, ref buffer);
_lightingBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(Utilities.SizeOf <Lighting>()), ResourceStates.GenericRead);
//// Describe and create a constant buffer view.
ConstantBufferViewDescription cbvDesc2 = new ConstantBufferViewDescription()
{
BufferLocation = _objectBuffer.GPUVirtualAddress,
SizeInBytes = (Utilities.SizeOf <Lighting>() + 255) & ~255
};
device.CreateConstantBufferView(cbvDesc2, _lightingViewHeap.CPUDescriptorHandleForHeapStart);
// Initialize and map the constant buffers. We don't unmap this until the
// app closes. Keeping things mapped for the lifetime of the resource is okay.
_lightingPointer = _lightingBuffer.Map(0);
Utilities.Write(_lightingPointer, ref light);
Resource textureUploadHeap;
// Create the texture.
// Describe and create a Texture2D.
ResourceDescription textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, textureWidth, textureHeight);
_texture = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination);
long uploadBufferSize = GetRequiredIntermediateSize(device, _texture, 0, 1);
// Create the GPU upload buffer.
textureUploadHeap = device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None, ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, textureWidth, textureHeight), ResourceStates.GenericRead);
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the Texture2D.
byte[] textureData = GenerateTextureData();
GCHandle handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
textureUploadHeap.WriteToSubresource(0, null, ptr, 4 * textureWidth, textureData.Length);
handle.Free();
commandList.CopyTextureRegion(new TextureCopyLocation(_texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null);
commandList.ResourceBarrierTransition(_texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);
// Describe and create a SRV for the texture.
ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription()
{
Shader4ComponentMapping = ComponentMapping(0, 1, 2, 3),
Format = textureDesc.Format,
Dimension = ShaderResourceViewDimension.Texture2D,
};
srvDesc.Texture2D.MipLevels = 1;
device.CreateShaderResourceView(_texture, srvDesc, _srvDescriptorHeap.CPUDescriptorHandleForHeapStart);
_resources = new[] { new GraphicsResource()
{
Heap = _srvDescriptorHeap, Register = 0, type = ResourceType.DescriptorTable
},
new GraphicsResource()
{
Resource = _objectBuffer, Register = 2, type = ResourceType.ConstantBufferView
},
new GraphicsResource()
{
Resource = _lightingBuffer, Register = 1, type = ResourceType.ConstantBufferView
} };
}
internal void Prepare(PipelineStateDescription pipelineStateDescription)
{
if (pipelineStateDescription.RootSignature != null)
{
var effectReflection = pipelineStateDescription.EffectBytecode.Reflection;
var computeShader = pipelineStateDescription.EffectBytecode.Stages.FirstOrDefault(e => e.Stage == ShaderStage.Compute);
IsCompute = computeShader != null;
var rootSignatureParameters = new List <RootParameter>();
var immutableSamplers = new List <StaticSamplerDescription>();
SrvBindCounts = new int[pipelineStateDescription.RootSignature.EffectDescriptorSetReflection.Layouts.Count];
SamplerBindCounts = new int[pipelineStateDescription.RootSignature.EffectDescriptorSetReflection.Layouts.Count];
for (int layoutIndex = 0; layoutIndex < pipelineStateDescription.RootSignature.EffectDescriptorSetReflection.Layouts.Count; layoutIndex++)
{
var layout = pipelineStateDescription.RootSignature.EffectDescriptorSetReflection.Layouts[layoutIndex];
if (layout.Layout == null)
{
continue;
}
// TODO D3D12 for now, we don't control register so we simply generate one resource table per shader stage and per descriptor set layout
// we should switch to a model where we make sure VS/PS don't overlap for common descriptors so that they can be shared
var srvDescriptorRanges = new Dictionary <ShaderStage, List <DescriptorRange> >();
var samplerDescriptorRanges = new Dictionary <ShaderStage, List <DescriptorRange> >();
int descriptorSrvOffset = 0;
int descriptorSamplerOffset = 0;
foreach (var item in layout.Layout.Entries)
{
var isSampler = item.Class == EffectParameterClass.Sampler;
// Find matching resource bindings
foreach (var binding in effectReflection.ResourceBindings)
{
if (binding.Stage == ShaderStage.None || binding.KeyInfo.Key != item.Key)
{
continue;
}
List <DescriptorRange> descriptorRanges;
{
var dictionary = isSampler ? samplerDescriptorRanges : srvDescriptorRanges;
if (dictionary.TryGetValue(binding.Stage, out descriptorRanges) == false)
{
descriptorRanges = dictionary[binding.Stage] = new List <DescriptorRange>();
}
}
if (isSampler)
{
if (item.ImmutableSampler != null)
{
immutableSamplers.Add(new StaticSamplerDescription(ShaderStage2ShaderVisibility(binding.Stage), binding.SlotStart, 0)
{
// TODO D3D12 ImmutableSampler should only be a state description instead of a GPU object?
Filter = (Filter)item.ImmutableSampler.Description.Filter,
ComparisonFunc = (Comparison)item.ImmutableSampler.Description.CompareFunction,
BorderColor = ColorHelper.ConvertStatic(item.ImmutableSampler.Description.BorderColor),
AddressU = (SharpDX.Direct3D12.TextureAddressMode)item.ImmutableSampler.Description.AddressU,
AddressV = (SharpDX.Direct3D12.TextureAddressMode)item.ImmutableSampler.Description.AddressV,
AddressW = (SharpDX.Direct3D12.TextureAddressMode)item.ImmutableSampler.Description.AddressW,
MinLOD = item.ImmutableSampler.Description.MinMipLevel,
MaxLOD = item.ImmutableSampler.Description.MaxMipLevel,
MipLODBias = item.ImmutableSampler.Description.MipMapLevelOfDetailBias,
MaxAnisotropy = item.ImmutableSampler.Description.MaxAnisotropy,
});
}
else
{
// Add descriptor range
descriptorRanges.Add(new DescriptorRange(DescriptorRangeType.Sampler, item.ArraySize, binding.SlotStart, 0, descriptorSamplerOffset));
}
}
else
{
DescriptorRangeType descriptorRangeType;
switch (binding.Class)
{
case EffectParameterClass.ConstantBuffer:
descriptorRangeType = DescriptorRangeType.ConstantBufferView;
break;
case EffectParameterClass.ShaderResourceView:
descriptorRangeType = DescriptorRangeType.ShaderResourceView;
break;
case EffectParameterClass.UnorderedAccessView:
descriptorRangeType = DescriptorRangeType.UnorderedAccessView;
break;
default:
throw new NotImplementedException();
}
// Add descriptor range
descriptorRanges.Add(new DescriptorRange(descriptorRangeType, item.ArraySize, binding.SlotStart, 0, descriptorSrvOffset));
}
}
// Move to next element (mirror what is done in DescriptorSetLayout)
if (isSampler)
{
if (item.ImmutableSampler == null)
{
descriptorSamplerOffset += item.ArraySize;
}
}
else
{
descriptorSrvOffset += item.ArraySize;
}
}
foreach (var stage in srvDescriptorRanges)
{
if (stage.Value.Count > 0)
{
rootSignatureParameters.Add(new RootParameter(ShaderStage2ShaderVisibility(stage.Key), stage.Value.ToArray()));
SrvBindCounts[layoutIndex]++;
}
}
foreach (var stage in samplerDescriptorRanges)
{
if (stage.Value.Count > 0)
{
rootSignatureParameters.Add(new RootParameter(ShaderStage2ShaderVisibility(stage.Key), stage.Value.ToArray()));
SamplerBindCounts[layoutIndex]++;
}
}
}
var rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootSignatureParameters.ToArray(), immutableSamplers.ToArray());
var rootSignature = NativeDevice.CreateRootSignature(0, rootSignatureDesc.Serialize());
InputElement[] inputElements = null;
if (pipelineStateDescription.InputElements != null)
{
inputElements = new InputElement[pipelineStateDescription.InputElements.Length];
for (int i = 0; i < inputElements.Length; ++i)
{
var inputElement = pipelineStateDescription.InputElements[i];
inputElements[i] = new InputElement
{
Format = (SharpDX.DXGI.Format)inputElement.Format,
AlignedByteOffset = inputElement.AlignedByteOffset,
SemanticName = inputElement.SemanticName,
SemanticIndex = inputElement.SemanticIndex,
Slot = inputElement.InputSlot,
Classification = (SharpDX.Direct3D12.InputClassification)inputElement.InputSlotClass,
InstanceDataStepRate = inputElement.InstanceDataStepRate,
};
}
}
PrimitiveTopologyType primitiveTopologyType;
switch (pipelineStateDescription.PrimitiveType)
{
case PrimitiveType.Undefined:
primitiveTopologyType = PrimitiveTopologyType.Undefined;
break;
case PrimitiveType.PointList:
primitiveTopologyType = PrimitiveTopologyType.Point;
break;
case PrimitiveType.LineList:
case PrimitiveType.LineStrip:
case PrimitiveType.LineListWithAdjacency:
case PrimitiveType.LineStripWithAdjacency:
primitiveTopologyType = PrimitiveTopologyType.Line;
break;
case PrimitiveType.TriangleList:
case PrimitiveType.TriangleStrip:
case PrimitiveType.TriangleListWithAdjacency:
case PrimitiveType.TriangleStripWithAdjacency:
primitiveTopologyType = PrimitiveTopologyType.Triangle;
break;
default:
if (pipelineStateDescription.PrimitiveType >= PrimitiveType.PatchList && pipelineStateDescription.PrimitiveType < PrimitiveType.PatchList + 32)
{
primitiveTopologyType = PrimitiveTopologyType.Patch;
}
else
{
throw new ArgumentOutOfRangeException("pipelineStateDescription.PrimitiveType");
}
break;
}
// Check if it should use compute pipeline state
if (IsCompute)
{
var nativePipelineStateDescription = new ComputePipelineStateDescription
{
ComputeShader = computeShader.Data,
Flags = PipelineStateFlags.None,
RootSignaturePointer = rootSignature,
};
CompiledState = NativeDevice.CreateComputePipelineState(nativePipelineStateDescription);
}
else
{
var nativePipelineStateDescription = new GraphicsPipelineStateDescription
{
InputLayout = new InputLayoutDescription(inputElements),
RootSignature = rootSignature,
RasterizerState = CreateRasterizerState(pipelineStateDescription.RasterizerState),
BlendState = CreateBlendState(pipelineStateDescription.BlendState),
SampleMask = (int)pipelineStateDescription.SampleMask,
DepthStencilFormat = (SharpDX.DXGI.Format)pipelineStateDescription.Output.DepthStencilFormat,
DepthStencilState = CreateDepthStencilState(pipelineStateDescription.DepthStencilState),
RenderTargetCount = pipelineStateDescription.Output.RenderTargetCount,
// TODO D3D12 hardcoded
StreamOutput = new StreamOutputDescription(),
PrimitiveTopologyType = primitiveTopologyType,
// TODO D3D12 hardcoded
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
};
// Disable depth buffer if no format specified
if (nativePipelineStateDescription.DepthStencilFormat == Format.Unknown)
nativePipelineStateDescription.DepthStencilState.IsDepthEnabled = false;
fixed(PixelFormat *renderTargetFormats = &pipelineStateDescription.Output.RenderTargetFormat0)
{
for (int i = 0; i < pipelineStateDescription.Output.RenderTargetCount; ++i)
{
nativePipelineStateDescription.RenderTargetFormats[i] = (SharpDX.DXGI.Format)renderTargetFormats[i];
}
}
foreach (var stage in pipelineStateDescription.EffectBytecode.Stages)
{
switch (stage.Stage)
{
case ShaderStage.Vertex:
nativePipelineStateDescription.VertexShader = stage.Data;
break;
case ShaderStage.Hull:
nativePipelineStateDescription.HullShader = stage.Data;
break;
case ShaderStage.Domain:
nativePipelineStateDescription.DomainShader = stage.Data;
break;
case ShaderStage.Geometry:
nativePipelineStateDescription.GeometryShader = stage.Data;
break;
case ShaderStage.Pixel:
nativePipelineStateDescription.PixelShader = stage.Data;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
CompiledState = NativeDevice.CreateGraphicsPipelineState(nativePipelineStateDescription);
}
RootSignature = rootSignature;
PrimitiveTopology = (PrimitiveTopology)pipelineStateDescription.PrimitiveType;
HasScissorEnabled = pipelineStateDescription.RasterizerState.ScissorTestEnable;
}
}
/// <summary>
/// Setup resources for rendering
/// </summary>
void LoadAssets()
{
// Create the main command list
commandList = Collect(device.CreateCommandList(CommandListType.Direct, commandListAllocator, pipelineState));
// Create the descriptor heap for the render target view
descriptorHeapRT = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.RenderTargetView,
DescriptorCount = 1
}));
#if USE_DEPTH
descriptorHeapDS = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.DepthStencilView,
DescriptorCount = 1
}));
#endif
#if USE_TEXTURE
descriptorHeapCB = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
DescriptorCount = 2,
Flags = DescriptorHeapFlags.ShaderVisible,
}));
descriptorHeapS = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.Sampler,
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
}));
descriptorsHeaps[0] = descriptorHeapCB;
descriptorsHeaps[1] = descriptorHeapS;
#else
descriptorHeapCB = Collect(device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
}));
descriptorsHeaps[0] = descriptorHeapCB;
#endif
#if true // root signature in code
var rsparams = new RootParameter[]
{
new RootParameter(ShaderVisibility.Vertex, new RootDescriptor(), RootParameterType.ConstantBufferView),
new RootParameter(ShaderVisibility.Vertex,
new DescriptorRange
{
RangeType = DescriptorRangeType.ConstantBufferView,
BaseShaderRegister = 1,
DescriptorCount = 1,
}),
#if USE_TEXTURE
new RootParameter(ShaderVisibility.Pixel,
new DescriptorRange
{
RangeType = DescriptorRangeType.ShaderResourceView,
BaseShaderRegister = 0,
DescriptorCount = 1,
}),
new RootParameter(ShaderVisibility.Pixel,
new DescriptorRange
{
RangeType = DescriptorRangeType.Sampler,
BaseShaderRegister = 0,
DescriptorCount = 1,
}),
#endif
};
var rs = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rsparams);
rootSignature = Collect(device.CreateRootSignature(rs.Serialize()));
#else
var rootSignatureByteCode = Utilities.ReadStream(assembly.GetManifestResourceStream("Shaders.Cube" + shaderNameSuffix + ".rs"));
using (var bufferRootSignature = DataBuffer.Create(rootSignatureByteCode))
rootSignature = Collect(device.CreateRootSignature(bufferRootSignature));
#endif
byte[] vertexShaderByteCode = GetResourceBytes("Cube" + shaderNameSuffix + ".vso");
byte[] pixelShaderByteCode = GetResourceBytes("Cube" + shaderNameSuffix + ".pso");
var layout = new InputLayoutDescription(new InputElement[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0),
new InputElement("NORMAL", 0, Format.R32G32B32_Float, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 0),
#if USE_INSTANCES
new InputElement("OFFSET", 0, Format.R32G32B32_Float, 0, 1, InputClassification.PerInstanceData, 1),
#endif
});
#region pipeline state
var psd = new GraphicsPipelineStateDescription
{
InputLayout = layout,
VertexShader = vertexShaderByteCode,
PixelShader = pixelShaderByteCode,
RootSignature = rootSignature,
DepthStencilState = DepthStencilStateDescription.Default(),
DepthStencilFormat = Format.Unknown,
BlendState = BlendStateDescription.Default(),
RasterizerState = RasterizerStateDescription.Default(),
SampleDescription = new SampleDescription(1, 0),
RenderTargetCount = 1,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
SampleMask = -1,
StreamOutput = new StreamOutputDescription()
};
psd.RenderTargetFormats[0] = Format.R8G8B8A8_UNorm;
#if USE_DEPTH
psd.DepthStencilFormat = Format.D32_Float;
#else
psd.DepthStencilState.IsDepthEnabled = false;
#endif
//psd.RasterizerState.CullMode = CullMode.None;
pipelineState = Collect(device.CreateGraphicsPipelineState(psd));
#endregion pipeline state
#region vertices
var vertices = new[]
{
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Front
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // BACK
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // BACK
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Top
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Top
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Bottom
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Bottom
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Left
-1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Left
-1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Right
1.0f, -1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 0.0f, // Right
1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
};
#endregion vertices
#region vertex buffer
// Instantiate Vertex buiffer from vertex data
int sizeOfFloat = sizeof(float);
int sizeInBytes = vertices.Length * sizeOfFloat;
vertexBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, sizeInBytes, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
vertexBufferView = new[]
{
new VertexBufferView
{
BufferLocation = vertexBuffer.GPUVirtualAddress,
SizeInBytes = sizeInBytes,
StrideInBytes = sizeOfFloat * 8,
}
};
var ptr = vertexBuffer.Map(0);
Utilities.Write(ptr, vertices, 0, vertices.Length);
vertexBuffer.Unmap(0);
#endregion vertex buffer
#region instances
#if USE_INSTANCES
int instanceSizeInBytes = sizeOfFloat * instances.Length;
instancesBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, instanceSizeInBytes, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
instancesBufferView = new[]
{
new VertexBufferView
{
BufferLocation = instancesBuffer.GPUVirtualAddress,
SizeInBytes = instanceSizeInBytes,
StrideInBytes = sizeOfFloat * 3,
}
};
ptr = instancesBuffer.Map(0);
Utilities.Write(ptr, instances, 0, instances.Length);
instancesBuffer.Unmap(0);
#endif
#endregion instances
#region indices
#if USE_INDICES
var indexData = new[]
{
0, 1, 2, 3, 4,
5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22,
23, 24, 25, 26, 27, 28,
29, 30, 31, 32, 33
};
sizeInBytes = indexData.Length * sizeof(int);
indexBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, sizeInBytes, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
ptr = indexBuffer.Map(0);
Utilities.Write(ptr, indexData, 0, indexData.Length);
indexBuffer.Unmap(0);
indexBufferView = new IndexBufferView
{
BufferLocation = indexBuffer.GPUVirtualAddress,
SizeInBytes = sizeInBytes,
Format = Format.R32_UInt
};
#endif
#endregion indices
#region transform
transWorld = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, 16 * sizeOfMatrix, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
transWorldPtr = transWorld.Map(0);
transViewProj = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Buffer, 0, sizeOfMatrix, 1, 1, 1, Format.Unknown, 1, 0, TextureLayout.RowMajor, ResourceFlags.None),
ResourceStates.GenericRead));
device.CreateConstantBufferView(new ConstantBufferViewDescription
{
BufferLocation = transViewProj.GPUVirtualAddress,
SizeInBytes = sizeOfMatrix,
}, descriptorHeapCB.CPUDescriptorHandleForHeapStart);
var view = Matrix.LookAtLH(new Vector3(5, 5, -5), Vector3.Zero, Vector3.UnitY);
var proj = Matrix.PerspectiveFovLH(MathUtil.Pi / 4, (float)width / height, 0.1f, 100);
var vpT = view * proj;
vpT.Transpose();
ptr = transViewProj.Map(0);
Utilities.Write(ptr, ref vpT);
transViewProj.Unmap(0);
#endregion transform
#if USE_TEXTURE
#region texture
Resource buf;
using (var tl = new TextureLoader("GeneticaMortarlessBlocks.jpg"))
{
int w = tl.Width, h = tl.Height;
var descrs = new[]
{
new ResourceDescription(ResourceDimension.Texture2D,
0, w, h, 1, 1,
Format.B8G8R8A8_UNorm, 1, 0,
TextureLayout.Unknown,
ResourceFlags.None),
};
texture = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
descrs[0],
ResourceStates.CopyDestination)
);
var resAllocInfo = device.GetResourceAllocationInfo(1, 1, descrs);
buf = device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
new ResourceDescription(
ResourceDimension.Buffer,
0,
resAllocInfo.SizeInBytes,
1, 1, 1,
Format.Unknown,
1, 0,
TextureLayout.RowMajor,
ResourceFlags.None),
ResourceStates.GenericRead);
var ptrBuf = buf.Map(0);
int rowPitch = tl.CopyImageData(ptrBuf);
buf.Unmap(0);
var src = new TextureCopyLocation(buf,
new PlacedSubResourceFootprint
{
Offset = 0,
Footprint = new SubResourceFootprint
{
Format = Format.B8G8R8A8_UNorm_SRgb,
Width = w,
Height = h,
Depth = 1,
RowPitch = rowPitch
}
}
);
var dst = new TextureCopyLocation(texture, 0);
// record copy
commandList.CopyTextureRegion(dst, 0, 0, 0, src, null);
commandList.ResourceBarrierTransition(texture, ResourceStates.CopyDestination, ResourceStates.GenericRead);
}
descrOffsetCB = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
device.CreateShaderResourceView(texture, null, descriptorHeapCB.CPUDescriptorHandleForHeapStart + descrOffsetCB);
#endregion texture
#region sampler
device.CreateSampler(new SamplerStateDescription
{
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
Filter = Filter.MaximumMinMagMipLinear,
}, descriptorHeapS.CPUDescriptorHandleForHeapStart);
#endregion sampler
#endif
// Get the backbuffer and creates the render target view
renderTarget = Collect(swapChain.GetBackBuffer <Resource>(0));
device.CreateRenderTargetView(renderTarget, null, descriptorHeapRT.CPUDescriptorHandleForHeapStart);
#if USE_DEPTH
depthBuffer = Collect(device.CreateCommittedResource(
new HeapProperties(HeapType.Default),
HeapFlags.None,
new ResourceDescription(ResourceDimension.Texture2D, 0, width, height, 1, 1, Format.D32_Float, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowDepthStencil),
ResourceStates.Present,
new ClearValue
{
Format = Format.D32_Float,
DepthStencil = new DepthStencilValue
{
Depth = 1,
Stencil = 0,
}
}));
device.CreateDepthStencilView(depthBuffer, null, descriptorHeapDS.CPUDescriptorHandleForHeapStart);
#endif
// Create the viewport
viewPort = new ViewportF(0, 0, width, height);
// Create the scissor
scissorRectangle = new Rectangle(0, 0, width, height);
// Create a fence to wait for next frame
fence = Collect(device.CreateFence(0, FenceFlags.None));
currentFence = 1;
// Close command list
commandList.Close();
commandQueue.ExecuteCommandList(commandList);
// Create an event handle use for VTBL
CreateWaitEvent();
// Wait the command list to complete
WaitForPrevFrame();
#if USE_TEXTURE
buf.Dispose();
#endif
}
private void LoadAssets()
{
DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange()
{
RangeType = DescriptorRangeType.ShaderResourceView, DescriptorCount = 1, OffsetInDescriptorsFromTableStart = int.MinValue, BaseShaderRegister = 0
} };
StaticSamplerDescription sampler = new StaticSamplerDescription()
{
Filter = Filter.MinimumMinMagMipPoint,
AddressU = TextureAddressMode.Border,
AddressV = TextureAddressMode.Border,
AddressW = TextureAddressMode.Border,
MipLODBias = 0,
MaxAnisotropy = 0,
ComparisonFunc = Comparison.Never,
BorderColor = StaticBorderColor.TransparentBlack,
MinLOD = 0.0f,
MaxLOD = float.MaxValue,
ShaderRegister = 0,
RegisterSpace = 0,
ShaderVisibility = ShaderVisibility.Pixel,
};
RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges) };
RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters, new StaticSamplerDescription[] { sampler });
rootSignature = device.CreateRootSignature(0, rootSignatureDesc.Serialize());
// Create the pipeline state, which includes compiling and loading shaders.
#if DEBUG
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif
// Define the vertex input layout.
InputElement[] inputElementDescs = new InputElement[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
};
// Describe and create the graphics pipeline state object (PSO).
GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = rootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = new DepthStencilStateDescription()
{
IsDepthEnabled = false, IsStencilEnabled = false
},
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
pipelineState = device.CreateGraphicsPipelineState(psoDesc);
// Create the command list.
commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);
// Create the vertex buffer.
float aspectRatio = viewport.Width / viewport.Height;
// Define the geometry for a triangle.
Vertex[] triangleVertices = new Vertex[]
{
new Vertex()
{
position = new Vector3(0.0f, 0.25f * aspectRatio, 0.0f), uv = new Vector2(0.5f, 0.0f)
},
new Vertex()
{
position = new Vector3(0.25f, -0.25f * aspectRatio, 0.0f), uv = new Vector2(1.0f, 1.0f)
},
new Vertex()
{
position = new Vector3(-0.25f, -0.25f * aspectRatio, 0.0f), uv = new Vector2(0.0f, 1.0f)
},
};
int vertexBufferSize = Utilities.SizeOf(triangleVertices);
// Note: using upload heaps to transfer static data like vert buffers is not
// recommended. Every time the GPU needs it, the upload heap will be marshalled
// over. Please read up on Default Heap usage. An upload heap is used here for
// code simplicity and because there are very few verts to actually transfer.
vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
// Copy the triangle data to the vertex buffer.
IntPtr pVertexDataBegin = vertexBuffer.Map(0);
Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
vertexBuffer.Unmap(0);
// Initialize the vertex buffer view.
vertexBufferView = new VertexBufferView();
vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
vertexBufferView.StrideInBytes = Utilities.SizeOf <Vertex>();
vertexBufferView.SizeInBytes = vertexBufferSize;
Resource textureUploadHeap;
// Create the texture.
// Describe and create a Texture2D.
ResourceDescription textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight);
texture = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, textureDesc, ResourceStates.CopyDestination);
long uploadBufferSize = GetRequiredIntermediateSize(this.texture, 0, 1);
// Create the GPU upload buffer.
textureUploadHeap = device.CreateCommittedResource(new HeapProperties(CpuPageProperty.WriteBack, MemoryPool.L0), HeapFlags.None, ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight), ResourceStates.GenericRead);
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the Texture2D.
byte[] textureData = GenerateTextureData();
GCHandle handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
IntPtr ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
textureUploadHeap.WriteToSubresource(0, null, ptr, TexturePixelSize * TextureWidth, textureData.Length);
handle.Free();
commandList.CopyTextureRegion(new TextureCopyLocation(texture, 0), 0, 0, 0, new TextureCopyLocation(textureUploadHeap, 0), null);
commandList.ResourceBarrierTransition(this.texture, ResourceStates.CopyDestination, ResourceStates.PixelShaderResource);
// Describe and create a SRV for the texture.
ShaderResourceViewDescription srvDesc = new ShaderResourceViewDescription()
{
Shader4ComponentMapping = D3DXUtilities.DefaultComponentMapping(),
Format = textureDesc.Format,
Dimension = ShaderResourceViewDimension.Texture2D,
};
srvDesc.Texture2D.MipLevels = 1;
device.CreateShaderResourceView(this.texture, srvDesc, shaderRenderViewHeap.CPUDescriptorHandleForHeapStart);
// Command lists are created in the recording state, but there is nothing
// to record yet. The main loop expects it to be closed, so close it now.
commandList.Close();
commandQueue.ExecuteCommandList(commandList);
// Create synchronization objects.
fence = device.CreateFence(0, FenceFlags.None);
fenceValue = 1;
// Create an event handle to use for frame synchronization.
fenceEvent = new AutoResetEvent(false);
WaitForPreviousFrame();
//release temp texture
textureUploadHeap.Dispose();
}
//创建资源
private void LoadAssets()
{
//创建一个空的根签名
var rootSignatureDesc = new RootSignatureDescription(
RootSignatureFlags.AllowInputAssemblerInputLayout,
//根常量
new[] {
new RootParameter(ShaderVisibility.All, //指定可以访问根签名绑定的内容的着色器，这里设置为顶点着色器
new DescriptorRange()
{
RangeType = DescriptorRangeType.ConstantBufferView, //指定描述符范围，这里的参数是CBV
BaseShaderRegister = 0, //指定描述符范围内的基本着色器
OffsetInDescriptorsFromTableStart = int.MinValue, //描述符从根签名开始的偏移量
DescriptorCount = 1 //描述符范围内的描述符数
})
});
//表示该根签名需要一组顶点缓冲区来绑定
rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());
//创建流水线状态，负责编译和加载着色器
#if DEBUG
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VS", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VS", "vs_5_0"));
#endif
//#if DEBUG
// var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PS", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
//#else
// var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PS", "ps_5_0"));
//#endif
//描述输入装配器阶段的输入元素，这里定义顶点输入布局
var inputElementDescs = new[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
};
//创建流水线状态对象（PSO）
var psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs), //描述输入缓冲器
RootSignature = rootSignature, //根签名
VertexShader = vertexShader, //顶点着色器
//PixelShader = pixelShader,//像素着色器
RasterizerState = RasterizerStateDescription.Default(), //描述光栅器状态
BlendState = BlendStateDescription.Default(), //描述混合状态
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float, //描述深度/模板格式（纹理资源）
DepthStencilState = DepthStencilStateDescription.Default(), //描述深度模板状态
SampleMask = int.MaxValue, //混合状态的样本掩码
PrimitiveTopologyType = PrimitiveTopologyType.Triangle, //定义该管道的几何或外壳着色器的输入类型，这里是三角
RenderTargetCount = 1, //RTVFormat成员中的渲染目标格式数
Flags = PipelineStateFlags.None, //用于控制管道状态的标志，这里表示没有标志
SampleDescription = new SampleDescription(1, 0), //描述资源的多采样参数
StreamOutput = new StreamOutputDescription() //描述输出缓冲器
};
psoDesc.RenderTargetFormats[0] = Format.R8G8B8A8_UNorm; //描述渲染目标格式的数组
//设置管道
pipelineState = device.CreateGraphicsPipelineState(psoDesc);
//创建命令列表
commandList = device.CreateCommandList(
CommandListType.Direct, //指定命令列表的创建类型，Direct命令列表不会继承任何GPU状态
commandAllocator, //指向设备创建的命令列表对象的指针
pipelineState); //指向(管道)内存块的指针
commandList.Close();
float aspectRatio = viewPort.Width / viewPort.Height;
//定义待绘制图形的几何形状
string bitmapPath = @"C:\Users\yulanli\Desktop\TerrainForm\heightMap.BMP";
Bitmap bitmap = new Bitmap(bitmapPath);
xCount = (bitmap.Width - 1) / 2;
yCount = (bitmap.Height - 1) / 2;
cellWidth = bitmap.Width / xCount;
cellHeight = bitmap.Height / yCount;
var vertices = new PositionTextured[(xCount + 1) * (yCount + 1)];//定义顶点
for (int i = 0; i < yCount + 1; i++)
{
for (int j = 0; j < xCount + 1; j++)
{
System.Drawing.Color color = bitmap.GetPixel((int)(j * cellWidth), (int)(i * cellHeight));
float height = float.Parse(color.R.ToString()) + float.Parse(color.G.ToString()) + float.Parse(color.B.ToString());
height /= 10;
vertices[j + i * (xCount + 1)].Position = new Vector3(j * cellWidth, height, i * cellHeight);
vertices[j + i * (xCount + 1)].Texcoord = new Vector2((float)j / (xCount + 1), (float)i / (yCount + 1));
}
}
texture = TextureLoader.TextureLoader.CreateTextureFromDDS(device, @"C:\Users\yulanli\Desktop\TerrainForm\colorMapDDS.DDS");
//创建待绘制图形的顶点索引
indices = new int[6 * xCount * yCount];
for (int i = 0; i < yCount; i++)
{
for (int j = 0; j < xCount; j++)
{
indices[6 * (j + i * xCount)] = j + i * (xCount + 1);
indices[6 * (j + i * xCount) + 1] = j + (i + 1) * (xCount + 1);
indices[6 * (j + i * xCount) + 2] = j + i * (xCount + 1) + 1;
indices[6 * (j + i * xCount) + 3] = j + i * (xCount + 1) + 1;
indices[6 * (j + i * xCount) + 4] = j + (i + 1) * (xCount + 1);
indices[6 * (j + i * xCount) + 5] = j + (i + 1) * (xCount + 1) + 1;
}
}
//创建视锥体
//创建摄像机
CamTarget = new Vector3(bitmap.Width / 2, 0f, bitmap.Height / 2);
view = Matrix.LookAtLH(
CamPostion, //摄像机原点
CamTarget, //摄像机观察目标点
Vector3.UnitY); //当前世界的向上方向的向量，通常为（0,1,0），即这里的UnitY参数
proj = Matrix.Identity;
proj = Matrix.PerspectiveFovLH(
(float)Math.PI / 4.0f, //用弧度制表示垂直视场角，这里是45°角
aspectRatio, //纵横比
0.3f, //到近平面的距离
500.0f //到远平面的距离
);
var worldViewProj = Matrix.Multiply(proj, view);
//使用上传堆来传递顶点缓冲区的数据
/*--------------------------------------------------*
* 不推荐使用上传堆来传递像顶点缓冲区这样的静态数据 *
* 这里使用上载堆是为了代码的简洁性，并且还因为需要 *
* 传递的资源很少 *
*--------------------------------------------------*/
var vertexBufferSize = Utilities.SizeOf(vertices);
vertexBuffer = device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
ResourceDescription.Buffer(vertexBufferSize),
ResourceStates.GenericRead);
//将顶点的数据复制到顶点缓冲区
IntPtr pVertexDataBegin = vertexBuffer.Map(0);
Utilities.Write(
pVertexDataBegin,
vertices,
0,
vertices.Length);
vertexBuffer.Unmap(0);
//初始化顶点缓冲区视图
vertexBufferView = new VertexBufferView();
vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
vertexBufferView.StrideInBytes = Utilities.SizeOf <PositionTextured>();
vertexBufferView.SizeInBytes = vertexBufferSize;
//使用上传堆来传递索引缓冲区的数据
int indexBufferSize = Utilities.SizeOf(indices);
indexBuffer = device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
ResourceDescription.Buffer(indexBufferSize),
ResourceStates.GenericRead);
//将索引的数据复制到索引缓冲区
IntPtr pIndexDataBegin = indexBuffer.Map(0);
Utilities.Write(
pIndexDataBegin,
indices,
0,
indices.Length);
indexBuffer.Unmap(0);
//初始化索引缓冲区视图
indexBufferView = new IndexBufferView();
indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
indexBufferView.SizeInBytes = indexBufferSize;
indexBufferView.Format = Format.R32_UInt;
//创建bundle
bundle = device.CreateCommandList(
0,
CommandListType.Bundle,
bundleAllocator,
pipelineState);
bundle.SetGraphicsRootSignature(rootSignature);
bundle.PrimitiveTopology = SharpDX.Direct3D.PrimitiveTopology.TriangleList;
bundle.SetVertexBuffer(0, vertexBufferView);
bundle.SetIndexBuffer(indexBufferView);
//bundle.DrawInstanced(
// vertices.Length,//VertexCountPerInstance,要绘制的顶点数
// 1,//InstanceCount，要绘制的实例数，这里是1个
// 0,//StartVertexLocation，第一个顶点的索引，这里是0
// 0);//StartInstanceLocation，在从顶点缓冲区读取每个实例数据之前添加到每个索引的值
bundle.DrawIndexedInstanced(
indices.Length, //IndexCountPerInstance,要绘制的索引数
1, //InstanceCount，要绘制的实例数，这里是1个
0, //StartIndexLocation，第一个顶点的索引，这里是0
0, //BaseVertexLocation,,从顶点缓冲区读取顶点之前添加到每个索引的值
0); //StartInstanceLocation，在从顶点缓冲区读取每个实例数据之前添加到每个索引的值
bundle.Close();
//使用上传堆来传递常量缓冲区的数据
/*--------------------------------------------------*
* 不推荐使用上传堆来传递像垂直缓冲区这样的静态数据 *
* 这里使用上载堆是为了代码的简洁性，并且还因为需要 *
* 传递的资源很少 *
*--------------------------------------------------*/
constantBuffer = device.CreateCommittedResource(
new HeapProperties(HeapType.Upload),
HeapFlags.None,
ResourceDescription.Buffer(1024 * 64),
ResourceStates.GenericRead);
//创建SRV视图
var srvDesc = new ShaderResourceViewDescription();
srvDesc.Texture2D.MostDetailedMip = 0;
srvDesc.Texture2D.ResourceMinLODClamp = 0.0f;
device.CreateShaderResourceView(texture, srvDesc, shaderRenderViewHeap.CPUDescriptorHandleForHeapStart);
//创建常量缓冲区视图（CBV）
var cbvDesc = new ConstantBufferViewDescription()
{
BufferLocation = constantBuffer.GPUVirtualAddress,
SizeInBytes = (Utilities.SizeOf <ConstantBuffer>() + 255) & ~255
};
device.CreateConstantBufferView(
cbvDesc,
constantBufferViewHeap.CPUDescriptorHandleForHeapStart);
//初始化并映射常量缓冲区
/*--------------------------------------------------*
* 直到应用程序关闭，我们才会取消映射，因此在资源的 *
* 生命周期中保持映射是可以的 *
*------------------------------------------------- */
constantBufferPointer = constantBuffer.Map(0);
Utilities.Write(constantBufferPointer, ref worldViewProj);
//创建同步对象
//创建围栏
fence = device.CreateFence(
0, //围栏的初始值
FenceFlags.None); //指定围栏的类型，None表示没有指定的类型
fenceValue = 1;
//创建用于帧同步的事件句柄
fenceEvent = new AutoResetEvent(false);
}
private void LoadAssets()
{
DescriptorRange[] ranges = new DescriptorRange[] { new DescriptorRange()
{
RangeType = DescriptorRangeType.ConstantBufferView, BaseShaderRegister = 0, DescriptorCount = 1
} };
RootParameter parameter = new RootParameter(ShaderVisibility.Vertex, ranges);
// Create a root signature.
RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, new RootParameter[] { parameter });
rootSignature = device.CreateRootSignature(rootSignatureDesc.Serialize());
// Create the pipeline state, which includes compiling and loading shaders.
#if DEBUG
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("shaders.hlsl", "PSMain", "ps_5_0"));
#endif
// Define the vertex input layout.
InputElement[] inputElementDescs = new InputElement[]
{
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 12, 0)
};
// Describe and create the graphics pipeline state object (PSO).
GraphicsPipelineStateDescription psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = rootSignature,
VertexShader = vertexShader,
PixelShader = pixelShader,
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilFormat = SharpDX.DXGI.Format.D32_Float,
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = int.MaxValue,
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
Flags = PipelineStateFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
StreamOutput = new StreamOutputDescription()
};
psoDesc.RenderTargetFormats[0] = SharpDX.DXGI.Format.R8G8B8A8_UNorm;
pipelineState = device.CreateGraphicsPipelineState(psoDesc);
// Create the command list.
commandList = device.CreateCommandList(CommandListType.Direct, commandAllocator, pipelineState);
// Command lists are created in the recording state, but there is nothing
// to record yet. The main loop expects it to be closed, so close it now.
commandList.Close();
// Create the vertex buffer.
float aspectRatio = viewport.Width / viewport.Height;
// Define the geometry for a cube.
Vertex[] vertices = new[]
{
////TOP
new Vertex(new Vector3(-5, 5, 5), new Vector4(0, 1, 0, 0)),
new Vertex(new Vector3(5, 5, 5), new Vector4(0, 1, 0, 0)),
new Vertex(new Vector3(5, 5, -5), new Vector4(0, 1, 0, 0)),
new Vertex(new Vector3(-5, 5, -5), new Vector4(0, 1, 0, 0)),
//BOTTOM
new Vertex(new Vector3(-5, -5, 5), new Vector4(1, 0, 1, 1)),
new Vertex(new Vector3(5, -5, 5), new Vector4(1, 0, 1, 1)),
new Vertex(new Vector3(5, -5, -5), new Vector4(1, 0, 1, 1)),
new Vertex(new Vector3(-5, -5, -5), new Vector4(1, 0, 1, 1)),
//LEFT
new Vertex(new Vector3(-5, -5, 5), new Vector4(1, 0, 0, 1)),
new Vertex(new Vector3(-5, 5, 5), new Vector4(1, 0, 0, 1)),
new Vertex(new Vector3(-5, 5, -5), new Vector4(1, 0, 0, 1)),
new Vertex(new Vector3(-5, -5, -5), new Vector4(1, 0, 0, 1)),
//RIGHT
new Vertex(new Vector3(5, -5, 5), new Vector4(1, 1, 0, 1)),
new Vertex(new Vector3(5, 5, 5), new Vector4(1, 1, 0, 1)),
new Vertex(new Vector3(5, 5, -5), new Vector4(1, 1, 0, 1)),
new Vertex(new Vector3(5, -5, -5), new Vector4(1, 1, 0, 1)),
//FRONT
new Vertex(new Vector3(-5, 5, 5), new Vector4(0, 1, 1, 1)),
new Vertex(new Vector3(5, 5, 5), new Vector4(0, 1, 1, 1)),
new Vertex(new Vector3(5, -5, 5), new Vector4(0, 1, 1, 1)),
new Vertex(new Vector3(-5, -5, 5), new Vector4(0, 1, 1, 1)),
//BACK
new Vertex(new Vector3(-5, 5, -5), new Vector4(0, 0, 1, 1)),
new Vertex(new Vector3(5, 5, -5), new Vector4(0, 0, 1, 1)),
new Vertex(new Vector3(5, -5, -5), new Vector4(0, 0, 1, 1)),
new Vertex(new Vector3(-5, -5, -5), new Vector4(0, 0, 1, 1))
};
int vertexBufferSize = Utilities.SizeOf(vertices);
// Note: using upload heaps to transfer static data like vert buffers is not
// recommended. Every time the GPU needs it, the upload heap will be marshalled
// over. Please read up on Default Heap usage. An upload heap is used here for
// code simplicity and because there are very few verts to actually transfer.
vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
// Copy the triangle data to the vertex buffer.
IntPtr pVertexDataBegin = vertexBuffer.Map(0);
Utilities.Write(pVertexDataBegin, vertices, 0, vertices.Length);
vertexBuffer.Unmap(0);
// Initialize the vertex buffer view.
vertexBufferView = new VertexBufferView();
vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
vertexBufferView.StrideInBytes = Utilities.SizeOf <Vertex>();
vertexBufferView.SizeInBytes = vertexBufferSize;
//Create Index Buffer
//Indices
int[] indices = new int[]
{
0, 1, 2, 0, 2, 3,
4, 6, 5, 4, 7, 6,
8, 9, 10, 8, 10, 11,
12, 14, 13, 12, 15, 14,
16, 18, 17, 16, 19, 18,
20, 21, 22, 20, 22, 23
};
int indexBufferSize = Utilities.SizeOf(indices);
indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);
// Copy the triangle data to the vertex buffer.
IntPtr pIndexDataBegin = indexBuffer.Map(0);
Utilities.Write(pIndexDataBegin, indices, 0, indices.Length);
indexBuffer.Unmap(0);
// Initialize the index buffer view.
indexBufferView = new IndexBufferView();
indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
indexBufferView.Format = Format.R32_UInt;
indexBufferView.SizeInBytes = indexBufferSize;
//constant Buffer for each cubes
constantBufferViewHeap = device.CreateDescriptorHeap(new DescriptorHeapDescription()
{
DescriptorCount = NumCubes,
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
Flags = DescriptorHeapFlags.ShaderVisible
});
int constantBufferSize = (Utilities.SizeOf <Transform>() + 255) & ~255;
constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(constantBufferSize * NumCubes), ResourceStates.GenericRead);
constantBufferDescriptorSize = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
//First cube
ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
{
BufferLocation = constantBuffer.GPUVirtualAddress,
SizeInBytes = constantBufferSize
};
CpuDescriptorHandle cbHandleHeapStart = constantBufferViewHeap.CPUDescriptorHandleForHeapStart;
for (int i = 0; i < NumCubes; i++)
{
device.CreateConstantBufferView(cbvDesc, cbHandleHeapStart);
cbvDesc.BufferLocation += Utilities.SizeOf <Transform>();
cbHandleHeapStart += constantBufferDescriptorSize;
}
InitBundles();
}
private void BuildPSOs()
{
//
// PSO for opaque objects.
//
var opaquePsoDesc = new GraphicsPipelineStateDescription
{
InputLayout = _inputLayout,
RootSignature = _rootSignature,
VertexShader = _shaders["standardVS"],
PixelShader = _shaders["opaquePS"],
RasterizerState = RasterizerStateDescription.Default(),
BlendState = BlendStateDescription.Default(),
DepthStencilState = DepthStencilStateDescription.Default(),
SampleMask = unchecked ((int)uint.MaxValue),
PrimitiveTopologyType = PrimitiveTopologyType.Triangle,
RenderTargetCount = 1,
SampleDescription = new SampleDescription(MsaaCount, MsaaQuality),
DepthStencilFormat = DepthStencilFormat
};
opaquePsoDesc.RenderTargetFormats[0] = BackBufferFormat;
_psos["opaque"] = Device.CreateGraphicsPipelineState(opaquePsoDesc);
//
// PSO for shadow map pass.
//
var smapPsoDesc = opaquePsoDesc.Copy();
smapPsoDesc.RasterizerState.DepthBias = 100000;
smapPsoDesc.RasterizerState.DepthBiasClamp = 0.0f;
smapPsoDesc.RasterizerState.SlopeScaledDepthBias = 1.0f;
smapPsoDesc.VertexShader = _shaders["shadowVS"];
smapPsoDesc.PixelShader = _shaders["shadowOpaquePS"];
// Shadow map pass does not have a render target.
smapPsoDesc.RenderTargetFormats[0] = Format.Unknown;
smapPsoDesc.RenderTargetCount = 0;
_psos["shadow_opaque"] = Device.CreateGraphicsPipelineState(smapPsoDesc);
//
// PSO for debug layer.
//
var debugPsoDesc = opaquePsoDesc.Copy();
debugPsoDesc.VertexShader = _shaders["debugVS"];
debugPsoDesc.PixelShader = _shaders["debugPS"];
_psos["debug"] = Device.CreateGraphicsPipelineState(debugPsoDesc);
//
// PSO for sky.
//
GraphicsPipelineStateDescription skyPsoDesc = opaquePsoDesc.Copy();
// The camera is inside the sky sphere, so just turn off culling.
skyPsoDesc.RasterizerState.CullMode = CullMode.None;
// Make sure the depth function is LESS_EQUAL and not just LESS.
// Otherwise, the normalized depth values at z = 1 (NDC) will
// fail the depth test if the depth buffer was cleared to 1.
skyPsoDesc.DepthStencilState.DepthComparison = Comparison.LessEqual;
skyPsoDesc.VertexShader = _shaders["skyVS"];
skyPsoDesc.PixelShader = _shaders["skyPS"];
_psos["sky"] = Device.CreateGraphicsPipelineState(skyPsoDesc);
}
public ID3D12PipelineState GetState(GraphicsDevice device, PSODesc desc, RootSignature rootSignature)
{
foreach (var psoCombind in PSOCombinds)
{
if (psoCombind.PSODesc == desc && psoCombind.rootSignature == rootSignature)
{
if (psoCombind.pipelineState == null)
{
throw new Exception("pipeline state error");
}
return(psoCombind.pipelineState);
}
}
InputLayoutDescription inputLayoutDescription;
if (device.inputLayouts.TryGetValue(desc.InputLayout, out inputLayoutDescription))
{
}
else
{
inputLayoutDescription = new InputLayoutDescription(new InputElementDescription("POSITION", 0, Format.R32G32B32_Float, 0));
}
GraphicsPipelineStateDescription graphicsPipelineStateDescription = new GraphicsPipelineStateDescription();
graphicsPipelineStateDescription.RootSignature = rootSignature.rootSignature;
graphicsPipelineStateDescription.VertexShader = vertexShader;
graphicsPipelineStateDescription.GeometryShader = geometryShader;
graphicsPipelineStateDescription.PixelShader = pixelShader;
graphicsPipelineStateDescription.PrimitiveTopologyType = PrimitiveTopologyType.Triangle;
graphicsPipelineStateDescription.InputLayout = inputLayoutDescription;
graphicsPipelineStateDescription.DepthStencilFormat = desc.DepthStencilFormat;
graphicsPipelineStateDescription.RenderTargetFormats = new Format[desc.RenderTargetCount];
Array.Fill(graphicsPipelineStateDescription.RenderTargetFormats, desc.RenderTargetFormat);
if (desc.BlendState == "Alpha")
{
graphicsPipelineStateDescription.BlendState = blendStateAlpha();
}
else if (desc.BlendState == "Add")
{
graphicsPipelineStateDescription.BlendState = BlendDescription.Additive;
}
else
{
graphicsPipelineStateDescription.BlendState = BlendDescription.Opaque;
}
graphicsPipelineStateDescription.DepthStencilState = new DepthStencilDescription(desc.DepthStencilFormat != Format.Unknown, desc.DepthStencilFormat != Format.Unknown);
graphicsPipelineStateDescription.SampleMask = uint.MaxValue;
var RasterizerState = new RasterizerDescription(CullMode.None, FillMode.Solid);
RasterizerState.DepthBias = desc.DepthBias;
RasterizerState.SlopeScaledDepthBias = desc.SlopeScaledDepthBias;
graphicsPipelineStateDescription.RasterizerState = RasterizerState;
var pipelineState = device.device.CreateGraphicsPipelineState <ID3D12PipelineState>(graphicsPipelineStateDescription);
if (pipelineState == null)
{
throw new Exception("pipeline state error");
}
PSOCombinds.Add(new PSOCombind {
PSODesc = desc, pipelineState = pipelineState, rootSignature = rootSignature
});
return(pipelineState);
}