private bool Add(string name, IndexBufferView index, Resource data)
{
bool result = Resources.TryAdd(name, data);
result = (result == true) ? Indices.TryAdd(name, index) : false;
return(result);
}
public override void InitBuffer(MpGe.Data.Vertex[] verts, short[] indices, int size, int stride)
{
int vertexBufferSize = Utilities.SizeOf(verts);
vertexBuffer = DXGlobal.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, verts, 0, verts.Length);
vertexBuffer.Unmap(0);
// Initialize the vertex buffer view.
vertexBufferView = new VertexBufferView();
vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
vertexBufferView.StrideInBytes = Utilities.SizeOf <MpGe.Data.Vertex>();
vertexBufferView.SizeInBytes = vertexBufferSize;
int indexBufferSize = Utilities.SizeOf(indices);
indexBuffer = DXGlobal.device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);
IntPtr pIndexDataBegin = indexBuffer.Map(0);
Utilities.Write(pIndexDataBegin, indices, 0, indices.Length);
indexBuffer.Unmap(0);
indexBufferView = new IndexBufferView();
indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
indexBufferView.Format = Format.R16_Typeless;
indexBufferView.SizeInBytes = indexBufferSize;
IndexCount = indices.Length;
}
public Task <Mesh> GetMeshAsync(int meshIndex)
{
GltfLoader.Schema.Mesh mesh = gltf.Meshes[meshIndex];
Span <byte> indexBuffer = Span <byte> .Empty;
IndexBufferView?indexBufferView = null;
bool is32BitIndex = false;
if (mesh.Primitives[0].Indices.HasValue)
{
indexBuffer = GetIndexBuffer(mesh, out int stride);
is32BitIndex = stride == sizeof(int);
indexBufferView = new IndexBufferView(GraphicsResource.CreateBuffer(GraphicsDevice, indexBuffer, ResourceFlags.None), is32BitIndex);
}
VertexBufferView[] vertexBufferViews = GetVertexBufferViews(mesh, indexBuffer, is32BitIndex);
int materialIndex = 0;
if (mesh.Primitives[0].Material.HasValue)
{
materialIndex = mesh.Primitives[0].Material ?? throw new Exception();
}
Node node = gltf.Nodes.First(n => n.Mesh == meshIndex);
float[] matrix = node.Matrix;
Matrix4x4 worldMatrix = Matrix4x4.Transpose(new Matrix4x4(
matrix[0], matrix[1], matrix[2], matrix[3],
matrix[4], matrix[5], matrix[6], matrix[7],
matrix[8], matrix[9], matrix[10], matrix[11],
matrix[12], matrix[13], matrix[14], matrix[15]));
float[] s = node.Scale;
float[] r = node.Rotation;
float[] t = node.Translation;
Vector3 scale = new Vector3(s[0], s[1], s[2]);
Quaternion rotation = new Quaternion(r[0], r[1], r[2], r[3]);
Vector3 translation = new Vector3(t[0], t[1], t[2]);
worldMatrix *= Matrix4x4.CreateScale(scale)
* Matrix4x4.CreateFromQuaternion(rotation)
* Matrix4x4.CreateTranslation(translation);
MeshDraw meshDraw = new MeshDraw
{
IndexBufferView = indexBufferView,
VertexBufferViews = vertexBufferViews
};
return(Task.FromResult(new Mesh(meshDraw)
{
MaterialIndex = materialIndex, WorldMatrix = worldMatrix
}));
}
void ConstructPlatformDependentMembers(Int64 bufferLocation, H1PixelFormat format, Int32 sizeInBytes)
{
m_IBVDesc = new IndexBufferView()
{
BufferLocation = bufferLocation,
Format = H1RHIDefinitionHelper.ConvertToFormat(format),
SizeInBytes = sizeInBytes,
};
}
public void SetIndexBuffer(Buffer buffer, IndexType type)
{
IndexBufferView indexBufferView = new IndexBufferView()
{
BufferLocation = (ulong)buffer.GPUVirtualAddress,
SizeInBytes = buffer.SizeInBytes,
Format = ConvertExtensions.ToIndexType(type),
};
nativeCommandList.IASetIndexBuffer(indexBufferView);
}
//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 LoadAssets()
{
// Create the root signature description.
var rootSignatureDesc = new RootSignatureDescription(
RootSignatureFlags.AllowInputAssemblerInputLayout,
// Root Parameters
new[]
{
new RootParameter(ShaderVisibility.All,
new []
{
new DescriptorRange()
{
RangeType = DescriptorRangeType.ShaderResourceView,
DescriptorCount = 1,
OffsetInDescriptorsFromTableStart = int.MinValue,
BaseShaderRegister = 0
},
new DescriptorRange()
{
RangeType = DescriptorRangeType.ConstantBufferView,
DescriptorCount = 1,
OffsetInDescriptorsFromTableStart = int.MinValue + 1,
BaseShaderRegister = 0
}
}),
new RootParameter(ShaderVisibility.Pixel,
new DescriptorRange()
{
RangeType = DescriptorRangeType.Sampler,
DescriptorCount = 1,
OffsetInDescriptorsFromTableStart = int.MinValue,
BaseShaderRegister = 0
}),
});
//// Samplers
//new[]
//{
// new StaticSamplerDescription(ShaderVisibility.Pixel, 0, 0)
// {
// Filter = Filter.MinimumMinMagMipPoint,
// AddressUVW = TextureAddressMode.Border,
// }
//});
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.Compile(SharpDX.IO.NativeFile.ReadAllText("../../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.Compile(SharpDX.IO.NativeFile.ReadAllText("../../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
#if DEBUG
//var result = SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug);
var geometryShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_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("TEXCOORD", 0, Format.R32G32_Float, 12, 0)
};
// Describe and create the graphics pipeline state object (PSO).
var psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = rootSignature,
VertexShader = vertexShader,
GeometryShader = geometryShader,
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();
// build vertex buffer
var triangleVertices = new[]
{
//TOP
new Vertex()
{
Position = new Vector3(-1f, 1f, 1f), TexCoord = new Vector2(1f, 1f)
},
new Vertex()
{
Position = new Vector3(1f, 1f, 1f), TexCoord = new Vector2(0f, 1f)
},
new Vertex()
{
Position = new Vector3(1f, 1f, -1f), TexCoord = new Vector2(0f, 0f)
},
new Vertex()
{
Position = new Vector3(-1f, 1f, -1f), TexCoord = new Vector2(1f, 0f)
},
//BOTTOM
new Vertex()
{
Position = new Vector3(-1f, -1f, 1f), TexCoord = new Vector2(1f, 1f)
},
new Vertex()
{
Position = new Vector3(1f, -1f, 1f), TexCoord = new Vector2(0f, 1f)
},
new Vertex()
{
Position = new Vector3(1f, -1f, -1f), TexCoord = new Vector2(0f, 0f)
},
new Vertex()
{
Position = new Vector3(-1f, -1f, -1f), TexCoord = new Vector2(1f, 0f)
},
//LEFT
new Vertex()
{
Position = new Vector3(-1f, -1f, 1f), TexCoord = new Vector2(0f, 1f)
},
new Vertex()
{
Position = new Vector3(-1f, 1f, 1f), TexCoord = new Vector2(0f, 0f)
},
new Vertex()
{
Position = new Vector3(-1f, 1f, -1f), TexCoord = new Vector2(1f, 0f)
},
new Vertex()
{
Position = new Vector3(-1f, -1f, -1f), TexCoord = new Vector2(1f, 1f)
},
//RIGHT
new Vertex()
{
Position = new Vector3(1f, -1f, 1f), TexCoord = new Vector2(1f, 1f)
},
new Vertex()
{
Position = new Vector3(1f, 1f, 1f), TexCoord = new Vector2(1f, 0f)
},
new Vertex()
{
Position = new Vector3(1f, 1f, -1f), TexCoord = new Vector2(0f, 0f)
},
new Vertex()
{
Position = new Vector3(1f, -1f, -1f), TexCoord = new Vector2(0f, 1f)
},
//FRONT
new Vertex()
{
Position = new Vector3(-1f, 1f, 1f), TexCoord = new Vector2(1f, 0f)
},
new Vertex()
{
Position = new Vector3(1f, 1f, 1f), TexCoord = new Vector2(0f, 0f)
},
new Vertex()
{
Position = new Vector3(1f, -1f, 1f), TexCoord = new Vector2(0f, 1f)
},
new Vertex()
{
Position = new Vector3(-1f, -1f, 1f), TexCoord = new Vector2(1f, 1f)
},
//BACK
new Vertex()
{
Position = new Vector3(-1f, 1f, -1f), TexCoord = new Vector2(0f, 0f)
},
new Vertex()
{
Position = new Vector3(1f, 1f, -1f), TexCoord = new Vector2(1f, 0f)
},
new Vertex()
{
Position = new Vector3(1f, -1f, -1f), TexCoord = new Vector2(1f, 1f)
},
new Vertex()
{
Position = new Vector3(-1f, -1f, -1f), TexCoord = new Vector2(0f, 1f)
}
};
int vertexBufferSize = Utilities.SizeOf(triangleVertices);
vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
IntPtr pVertexDataBegin = vertexBuffer.Map(0);
Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
vertexBuffer.Unmap(0);
vertexBufferView = new VertexBufferView();
vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
vertexBufferView.StrideInBytes = Utilities.SizeOf <Vertex>();
vertexBufferView.SizeInBytes = vertexBufferSize;
// build index buffer
var triangleIndexes = new uint[]
{
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(triangleIndexes);
indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);
IntPtr pIndexDataBegin = indexBuffer.Map(0);
Utilities.Write(pIndexDataBegin, triangleIndexes, 0, triangleIndexes.Length);
indexBuffer.Unmap(0);
indexBufferView = new IndexBufferView();
indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
indexBufferView.SizeInBytes = indexBufferSize;
indexBufferView.Format = Format.R32_UInt;
// Create the texture.
// Describe and create a Texture2D.
var textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight, 1, 1, 1, 0, ResourceFlags.None, TextureLayout.Unknown, 0);
texture = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, textureDesc, ResourceStates.GenericRead, null);
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the Texture2D.
byte[] textureData = Utilities.ReadStream(new FileStream("../../texture1.dds", FileMode.Open));
texture.Name = "Texture";
var handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
texture.WriteToSubresource(0, null, ptr, TextureWidth * 4, textureData.Length);
handle.Free();
// Describe and create a SRV for the texture.
var srvDesc = new ShaderResourceViewDescription
{
Shader4ComponentMapping = ((((0) & 0x7) | (((1) & 0x7) << 3) | (((2) & 0x7) << (3 * 2)) | (((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),
Format = textureDesc.Format,
Dimension = ShaderResourceViewDimension.Texture2D,
Texture2D =
{
MipLevels = 1,
MostDetailedMip = 0,
PlaneSlice = 0,
ResourceMinLODClamp = 0.0f
},
};
device.CreateShaderResourceView(texture, srvDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart);
SamplerStateDescription samplerDesc = new SamplerStateDescription
{
Filter = Filter.MinMagMipLinear,
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
MaximumAnisotropy = 0,
MaximumLod = float.MaxValue,
MinimumLod = -float.MaxValue,
MipLodBias = 0,
ComparisonFunction = Comparison.Never
};
device.CreateSampler(samplerDesc, samplerViewHeap.CPUDescriptorHandleForHeapStart);
// build constant buffer
constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);
var cbDesc = new ConstantBufferViewDescription()
{
BufferLocation = constantBuffer.GPUVirtualAddress,
SizeInBytes = (Utilities.SizeOf <ConstantBufferData>() + 255) & ~255
};
var srvCbvStep = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
device.CreateConstantBufferView(cbDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart + srvCbvStep);
constantBufferData = new ConstantBufferData
{
Project = Matrix.Identity
};
constantBufferPointer = constantBuffer.Map(0);
Utilities.Write(constantBufferPointer, ref constantBufferData);
// build depth buffer
DescriptorHeapDescription descDescriptorHeapDSB = new DescriptorHeapDescription()
{
DescriptorCount = 1,
Type = DescriptorHeapType.DepthStencilView,
Flags = DescriptorHeapFlags.None
};
DescriptorHeap descriptorHeapDSB = device.CreateDescriptorHeap(descDescriptorHeapDSB);
ResourceDescription descDepth = new ResourceDescription()
{
Dimension = ResourceDimension.Texture2D,
DepthOrArraySize = 1,
MipLevels = 0,
Flags = ResourceFlags.AllowDepthStencil,
Width = (int)viewport.Width,
Height = (int)viewport.Height,
Format = Format.R32_Typeless,
Layout = TextureLayout.Unknown,
SampleDescription = new SampleDescription()
{
Count = 1
}
};
ClearValue dsvClearValue = new ClearValue()
{
Format = Format.D32_Float,
DepthStencil = new DepthStencilValue()
{
Depth = 1.0f,
Stencil = 0
}
};
Resource renderTargetDepth = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, descDepth, ResourceStates.GenericRead, dsvClearValue);
DepthStencilViewDescription depthDSV = new DepthStencilViewDescription()
{
Dimension = DepthStencilViewDimension.Texture2D,
Format = Format.D32_Float,
Texture2D = new DepthStencilViewDescription.Texture2DResource()
{
MipSlice = 0
}
};
device.CreateDepthStencilView(renderTargetDepth, depthDSV, descriptorHeapDSB.CPUDescriptorHandleForHeapStart);
handleDSV = descriptorHeapDSB.CPUDescriptorHandleForHeapStart;
fence = device.CreateFence(0, FenceFlags.None);
fenceValue = 1;
fenceEvent = new AutoResetEvent(false);
}
public void BuildPSO(Device3 device, GraphicsCommandList commandList)
{
buffer = new CBuffer()
{
Rows = 3,
Columns = 5
};
DescriptorHeapDescription cbvHeapDesc = new DescriptorHeapDescription()
{
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
};
_constantBufferViewHeap = device.CreateDescriptorHeap(cbvHeapDesc);
DescriptorHeapDescription srvHeapDesc = new DescriptorHeapDescription()
{
DescriptorCount = 1,
Flags = DescriptorHeapFlags.ShaderVisible,
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView
};
_srvDescriptorHeap = device.CreateDescriptorHeap(srvHeapDesc);
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,
};
RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.Pixel, ranges),
new RootParameter(ShaderVisibility.Pixel, new RootDescriptor(1, 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/AtlasWalk.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/AtlasWalk.hlsl", "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/AtlasWalk.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/AtlasWalk.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);
// Define the geometry for a triangle.
Vertex[] triangleVertices = new Vertex[]
{
new Vertex()
{
position = new Vector3(-0.5f, -0.5f, 0.5f), texCoord = new Vector2(1.0f, 1.0f)
},
new Vertex()
{
position = new Vector3(-0.5f, 0.5f, 0.5f), texCoord = new Vector2(1.0f, 0.0f)
},
new Vertex()
{
position = new Vector3(0.5f, -0.5f, 0.5f), texCoord = new Vector2(0.0f, 1.0f)
},
new Vertex()
{
position = new Vector3(0.5f, 0.5f, 0.5f), texCoord = new Vector2(0.0f, 0.0f)
}
};
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);
_indicies = new int[] { 0, 1, 2,
3, 2, 1 };
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
};
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);
_constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);
//// Describe and create a constant buffer view.
ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
{
BufferLocation = _constantBuffer.GPUVirtualAddress,
SizeInBytes = (Utilities.SizeOf <CBuffer>() + 255) & ~255
};
device.CreateConstantBufferView(cbvDesc, _constantBufferViewHeap.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.
_constantBufferPointer = _constantBuffer.Map(0);
Utilities.Write(_constantBufferPointer, ref buffer);
_resources = new[] { new GraphicsResource()
{
Heap = _srvDescriptorHeap, Register = 0, type = ResourceType.DescriptorTable
},
new GraphicsResource()
{
Resource = _constantBuffer, Register = 1, type = ResourceType.ConstantBufferView
} };
}
private void LoadMesh(CpuDescriptorHandle heapStart)
{
SamplerStateDescription samplerDesc = new SamplerStateDescription()
{
Filter = Filter.ComparisonMinMagMipLinear,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
MinimumLod = float.MinValue,
MaximumLod = float.MaxValue,
MipLodBias = 0,
MaximumAnisotropy = 0,
ComparisonFunction = Comparison.Never
};
var heapPosition = heapStart;
// Load model from obj.
var importer = new Assimp.AssimpContext();
var scene = importer.ImportFile(@"../../../Models/lara/lara.obj", PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.FlipUVs | PostProcessSteps.PreTransformVertices);
Vertex[] vertices = new Vertex[scene.Meshes.Sum(m => m.VertexCount)];
int[] indices = new int[scene.Meshes.Sum(m => m.FaceCount * 3)];
faceCounts = new List <int>();
int vertexOffSet = 0;
int indexOffSet = 0;
foreach (var mesh in scene.Meshes)
{
var positions = mesh.Vertices;
var normals = mesh.Normals;
var texs = mesh.TextureCoordinateChannels[0];
for (int i = 0; i < mesh.VertexCount; i++)
{
vertices[vertexOffSet + i] = new Vertex()
{
position = new Vector3(positions[i].X, positions[i].Y, positions[i].Z),
normal = new Vector3(normals[i].X, normals[i].Y, normals[i].Z),
textureCoordinate = new Vector3(texs[i].X, texs[i].Y, texs[i].Z)
};
}
var faces = mesh.Faces;
for (int i = 0; i < mesh.FaceCount; i++)
{
indices[i * 3 + indexOffSet] = (int)faces[i].Indices[0] + vertexOffSet;
indices[i * 3 + 1 + indexOffSet] = (int)faces[i].Indices[1] + vertexOffSet;
indices[i * 3 + 2 + indexOffSet] = (int)faces[i].Indices[2] + vertexOffSet;
}
faceCounts.Add(mesh.FaceCount * 3);
vertexOffSet += mesh.VertexCount;
indexOffSet += mesh.FaceCount * 3;
string textureName = System.IO.Path.GetFileName(scene.Materials[mesh.MaterialIndex].TextureDiffuse.FilePath);
var texResource = TextureUtilities.CreateTextureFromDDS(device, @"../../../Models/lara/" + textureName);
textures.Add(texResource);
int D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING = 5768;
ShaderResourceViewDescription desc = new ShaderResourceViewDescription
{
Dimension = ShaderResourceViewDimension.Texture2D,
Format = texResource.Description.Format,
Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING,
};
desc.Texture2D.MipLevels = 1;
desc.Texture2D.MostDetailedMip = 0;
desc.Texture2D.ResourceMinLODClamp = 0;
device.CreateShaderResourceView(texResource, desc, heapStart);
heapStart += constantBufferDescriptorSize;
}
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
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;
}
private bool Add(string name, IndexBufferView index, Resource data)
{
bool result = Resources.TryAdd(name, data);
result = (result == true) ? Indices.TryAdd(name, index) : false;
return result;
}
public void BuildPSO(Device3 device, GraphicsCommandList commandList)
{
_resources = new GraphicsResource[0];
// Create an empty root signature.
RootSignatureDescription 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/SimpleShader.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/SimpleShader.hlsl", "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/SimpleShader.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/SimpleShader.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 = 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);
// Define the geometry for a triangle.
Vertex[] triangleVertices = new Vertex[]
{
new Vertex()
{
position = new Vector3(-0.5f, -0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
},
new Vertex()
{
position = new Vector3(-0.5f, 0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
},
new Vertex()
{
position = new Vector3(0.5f, -0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 0.0f, 1.0f)
},
new Vertex()
{
position = new Vector3(0.5f, 0.5f, 0.5f), color = new Vector4(1.0f, 0.0f, 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);
_indicies = new int[] { 0, 1, 2,
3, 2, 1 };
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
};
}
private void LoadMesh(CpuDescriptorHandle heapStart)
{
SamplerStateDescription samplerDesc = new SamplerStateDescription()
{
Filter = Filter.ComparisonMinMagMipLinear,
AddressU = TextureAddressMode.Wrap,
AddressV = TextureAddressMode.Wrap,
AddressW = TextureAddressMode.Wrap,
MinimumLod = float.MinValue,
MaximumLod = float.MaxValue,
MipLodBias = 0,
MaximumAnisotropy = 0,
ComparisonFunction = Comparison.Never
};
var heapPosition = heapStart;
// Load model from obj.
var importer = new Assimp.AssimpContext();
var scene = importer.ImportFile(@"../../../Models/lara/lara.obj", PostProcessSteps.GenerateSmoothNormals | PostProcessSteps.FlipUVs | PostProcessSteps.PreTransformVertices);
Vertex[] vertices = new Vertex[scene.Meshes.Sum(m => m.VertexCount)];
int[] indices = new int[scene.Meshes.Sum(m => m.FaceCount * 3)];
faceCounts = new List<int>();
int vertexOffSet = 0;
int indexOffSet = 0;
foreach (var mesh in scene.Meshes)
{
var positions = mesh.Vertices;
var normals = mesh.Normals;
var texs = mesh.TextureCoordinateChannels[0];
for (int i = 0; i < mesh.VertexCount; i++)
{
vertices[vertexOffSet + i] = new Vertex()
{
position = new Vector3(positions[i].X, positions[i].Y, positions[i].Z),
normal = new Vector3(normals[i].X, normals[i].Y, normals[i].Z),
textureCoordinate = new Vector3(texs[i].X, texs[i].Y, texs[i].Z)
};
}
var faces = mesh.Faces;
for (int i = 0; i < mesh.FaceCount; i++)
{
indices[i * 3 + indexOffSet] = (int)faces[i].Indices[0] + vertexOffSet;
indices[i * 3 + 1 + indexOffSet] = (int)faces[i].Indices[1] + vertexOffSet;
indices[i * 3 + 2 + indexOffSet] = (int)faces[i].Indices[2] + vertexOffSet;
}
faceCounts.Add(mesh.FaceCount * 3);
vertexOffSet += mesh.VertexCount;
indexOffSet += mesh.FaceCount * 3;
string textureName = System.IO.Path.GetFileName(scene.Materials[mesh.MaterialIndex].TextureDiffuse.FilePath);
var texResource = TextureUtilities.CreateTextureFromDDS(device, @"../../../Models/lara/" + textureName);
textures.Add(texResource);
int D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING = 5768;
ShaderResourceViewDescription desc = new ShaderResourceViewDescription
{
Dimension = ShaderResourceViewDimension.Texture2D,
Format = texResource.Description.Format,
Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING,
};
desc.Texture2D.MipLevels = 1;
desc.Texture2D.MostDetailedMip = 0;
desc.Texture2D.ResourceMinLODClamp = 0;
device.CreateShaderResourceView(texResource, desc, heapStart);
heapStart += constantBufferDescriptorSize;
}
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
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;
}
public void SetIndexBuffer(Buffer buffer, int offset, bool is32bits)
{
var newIndexBuffer = new IndexBufferView(buffer, offset, is32bits);
if (indexBuffer != newIndexBuffer)
{
// Setup index buffer
indexBuffer = newIndexBuffer;
// Setup index buffer
GL.BindBuffer(BufferTarget.ElementArrayBuffer, indexBuffer.Buffer != null ? indexBuffer.Buffer.BufferId : 0);
}
}
public void BuildPSO(Device3 device, GraphicsCommandList commandList)
{
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
};
_perPassViewHeap = device.CreateDescriptorHeap(cbvHeapDesc);
RootParameter[] rootParameters = new RootParameter[] { new RootParameter(ShaderVisibility.All, new RootDescriptor(0, 0), RootParameterType.ConstantBufferView) };
// Create an empty root signature.
RootSignatureDescription rootSignatureDesc = new RootSignatureDescription(RootSignatureFlags.AllowInputAssemblerInputLayout, rootParameters);
_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/Untextured.hlsl", "VSMain", "vs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var vertexShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/Untextured.hlsl", "VSMain", "vs_5_0"));
#endif
#if DEBUG
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/Untextured.hlsl", "PSMain", "ps_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug));
#else
var pixelShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.CompileFromFile("Shaders/Untextured.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.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), Color = new Vector4(0, 0, 1, 1)
},
new Vertex()
{
Position = new Vector3(0, 5, 0), Color = new Vector4(0, 0, 1, 1)
},
new Vertex()
{
Position = new Vector3(5, 0, 0), Color = new Vector4(0, 0, 1, 1)
},
new Vertex()
{
Position = new Vector3(5, 5, 0), Color = new Vector4(0, 0, 1, 1)
},
//Back
new Vertex()
{
Position = new Vector3(0, 0, 5), Color = new Vector4(0, 0, 1, 1)
},
new Vertex()
{
Position = new Vector3(0, 5, 5), Color = new Vector4(0, 0, 1, 1)
},
new Vertex()
{
Position = new Vector3(5, 0, 5), Color = new Vector4(0, 0, 1, 1)
},
new Vertex()
{
Position = new Vector3(5, 5, 5), Color = new Vector4(0, 0, 1, 1)
},
//Left
new Vertex()
{
Position = new Vector3(0, 0, 0), Color = new Vector4(0, 1, 0, 1)
},
new Vertex()
{
Position = new Vector3(0, 5, 0), Color = new Vector4(0, 1, 0, 1)
},
new Vertex()
{
Position = new Vector3(0, 0, 5), Color = new Vector4(0, 1, 0, 1)
},
new Vertex()
{
Position = new Vector3(0, 5, 5), Color = new Vector4(0, 1, 0, 1)
},
//Right
new Vertex()
{
Position = new Vector3(5, 0, 0), Color = new Vector4(0, 1, 0, 1)
},
new Vertex()
{
Position = new Vector3(5, 5, 0), Color = new Vector4(0, 1, 0, 1)
},
new Vertex()
{
Position = new Vector3(5, 0, 5), Color = new Vector4(0, 1, 0, 1)
},
new Vertex()
{
Position = new Vector3(5, 5, 5), Color = new Vector4(0, 1, 0, 1)
},
//Top
new Vertex()
{
Position = new Vector3(0, 0, 0), Color = new Vector4(1, 0, 0, 1)
},
new Vertex()
{
Position = new Vector3(0, 0, 5), Color = new Vector4(1, 0, 0, 1)
},
new Vertex()
{
Position = new Vector3(5, 0, 0), Color = new Vector4(1, 0, 0, 1)
},
new Vertex()
{
Position = new Vector3(5, 0, 5), Color = new Vector4(1, 0, 0, 1)
},
//Bottom
new Vertex()
{
Position = new Vector3(0, 5, 0), Color = new Vector4(1, 0, 0, 1)
},
new Vertex()
{
Position = new Vector3(0, 5, 5), Color = new Vector4(1, 0, 0, 1)
},
new Vertex()
{
Position = new Vector3(5, 5, 0), Color = new Vector4(1, 0, 0, 1)
},
new Vertex()
{
Position = new Vector3(5, 5, 5), Color = new Vector4(1, 0, 0, 1)
}
};
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
};
_perPassBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(Utilities.SizeOf <PerPass>()), ResourceStates.GenericRead);
//// Describe and create a constant buffer view.
ConstantBufferViewDescription cbvDesc = new ConstantBufferViewDescription()
{
BufferLocation = _perPassBuffer.GPUVirtualAddress,
SizeInBytes = (Utilities.SizeOf <PerPass>() + 255) & ~255
};
device.CreateConstantBufferView(cbvDesc, _perPassViewHeap.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.
_perPassPointer = _perPassBuffer.Map(0);
Utilities.Write(_perPassPointer, ref buffer);
_resources = new[] { new GraphicsResource()
{
Resource = _perPassBuffer, Register = 0, type = ResourceType.ConstantBufferView
} };
}
private void LoadAssets()
{
// Create the root signature description.
var rootSignatureDesc = new RootSignatureDescription(
RootSignatureFlags.AllowInputAssemblerInputLayout,
// Root Parameters
new[]
{
new RootParameter(ShaderVisibility.All,
new []
{
new DescriptorRange()
{
RangeType = DescriptorRangeType.ShaderResourceView,
DescriptorCount = 1,
OffsetInDescriptorsFromTableStart = int.MinValue,
BaseShaderRegister = 0
},
new DescriptorRange()
{
RangeType = DescriptorRangeType.ConstantBufferView,
DescriptorCount = 1,
OffsetInDescriptorsFromTableStart = int.MinValue + 1,
BaseShaderRegister = 0
}
}),
new RootParameter(ShaderVisibility.Pixel,
new DescriptorRange()
{
RangeType = DescriptorRangeType.Sampler,
DescriptorCount = 1,
OffsetInDescriptorsFromTableStart = int.MinValue,
BaseShaderRegister = 0
}),
});
//// Samplers
//new[]
//{
// new StaticSamplerDescription(ShaderVisibility.Pixel, 0, 0)
// {
// Filter = Filter.MinimumMinMagMipPoint,
// AddressUVW = TextureAddressMode.Border,
// }
//});
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.Compile(SharpDX.IO.NativeFile.ReadAllText("../../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.Compile(SharpDX.IO.NativeFile.ReadAllText("../../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
#if DEBUG
//var result = SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_5_0", SharpDX.D3DCompiler.ShaderFlags.Debug);
var geometryShader = new ShaderBytecode(SharpDX.D3DCompiler.ShaderBytecode.Compile(SharpDX.IO.NativeFile.ReadAllText("../../shaders.hlsl"), "GSMain", "gs_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("TEXCOORD",0,Format.R32G32_Float,12,0)
};
// Describe and create the graphics pipeline state object (PSO).
var psoDesc = new GraphicsPipelineStateDescription()
{
InputLayout = new InputLayoutDescription(inputElementDescs),
RootSignature = rootSignature,
VertexShader = vertexShader,
GeometryShader = geometryShader,
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();
// build vertex buffer
var triangleVertices = new[]
{
//TOP
new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
//BOTTOM
new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
//LEFT
new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(0f ,0f)} ,
new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,1f)} ,
//RIGHT
new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(1f ,0f)} ,
new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,1f)} ,
//FRONT
new Vertex() {Position = new Vector3(-1f , 1f , 1f) , TexCoord = new Vector2(1f ,0f)} ,
new Vertex() {Position = new Vector3(1f , 1f , 1f) , TexCoord = new Vector2(0f ,0f)} ,
new Vertex() {Position = new Vector3(1f ,-1f , 1f) , TexCoord = new Vector2(0f ,1f)} ,
new Vertex() {Position = new Vector3(-1f ,-1f , 1f) , TexCoord = new Vector2(1f ,1f)} ,
//BACK
new Vertex() {Position = new Vector3(-1f , 1f ,-1f) , TexCoord = new Vector2(0f ,0f)} ,
new Vertex() {Position = new Vector3(1f , 1f ,-1f) , TexCoord = new Vector2(1f ,0f)} ,
new Vertex() {Position = new Vector3(1f ,-1f ,-1f) , TexCoord = new Vector2(1f ,1f)} ,
new Vertex() {Position = new Vector3(-1f ,-1f ,-1f) , TexCoord = new Vector2(0f ,1f)}
};
int vertexBufferSize = Utilities.SizeOf(triangleVertices);
vertexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(vertexBufferSize), ResourceStates.GenericRead);
IntPtr pVertexDataBegin = vertexBuffer.Map(0);
Utilities.Write(pVertexDataBegin, triangleVertices, 0, triangleVertices.Length);
vertexBuffer.Unmap(0);
vertexBufferView = new VertexBufferView();
vertexBufferView.BufferLocation = vertexBuffer.GPUVirtualAddress;
vertexBufferView.StrideInBytes = Utilities.SizeOf<Vertex>();
vertexBufferView.SizeInBytes = vertexBufferSize;
// build index buffer
var triangleIndexes = new uint[]
{
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(triangleIndexes);
indexBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(indexBufferSize), ResourceStates.GenericRead);
IntPtr pIndexDataBegin = indexBuffer.Map(0);
Utilities.Write(pIndexDataBegin, triangleIndexes, 0, triangleIndexes.Length);
indexBuffer.Unmap(0);
indexBufferView = new IndexBufferView();
indexBufferView.BufferLocation = indexBuffer.GPUVirtualAddress;
indexBufferView.SizeInBytes = indexBufferSize;
indexBufferView.Format = Format.R32_UInt;
// Create the texture.
// Describe and create a Texture2D.
var textureDesc = ResourceDescription.Texture2D(Format.R8G8B8A8_UNorm, TextureWidth, TextureHeight, 1, 1, 1, 0, ResourceFlags.None, TextureLayout.Unknown, 0);
texture = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, textureDesc, ResourceStates.GenericRead, null);
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the Texture2D.
byte[] textureData = Utilities.ReadStream(new FileStream("../../texture1.dds", FileMode.Open));
texture.Name = "Texture";
var handle = GCHandle.Alloc(textureData, GCHandleType.Pinned);
var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(textureData, 0);
texture.WriteToSubresource(0, null, ptr, TextureWidth * 4, textureData.Length);
handle.Free();
// Describe and create a SRV for the texture.
var srvDesc = new ShaderResourceViewDescription
{
Shader4ComponentMapping = ((((0) & 0x7) |(((1) & 0x7) << 3) |(((2) & 0x7) << (3 * 2)) |(((3) & 0x7) << (3 * 3)) | (1 << (3 * 4)))),
Format = textureDesc.Format,
Dimension = ShaderResourceViewDimension.Texture2D,
Texture2D =
{
MipLevels = 1,
MostDetailedMip = 0,
PlaneSlice = 0,
ResourceMinLODClamp = 0.0f
},
};
device.CreateShaderResourceView(texture, srvDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart);
SamplerStateDescription samplerDesc = new SamplerStateDescription
{
Filter = Filter.MinMagMipLinear,
AddressU = TextureAddressMode.Clamp,
AddressV = TextureAddressMode.Clamp,
AddressW = TextureAddressMode.Clamp,
MaximumAnisotropy = 0,
MaximumLod = float.MaxValue,
MinimumLod = -float.MaxValue,
MipLodBias = 0,
ComparisonFunction = Comparison.Never
};
device.CreateSampler(samplerDesc, samplerViewHeap.CPUDescriptorHandleForHeapStart);
// build constant buffer
constantBuffer = device.CreateCommittedResource(new HeapProperties(HeapType.Upload), HeapFlags.None, ResourceDescription.Buffer(1024 * 64), ResourceStates.GenericRead);
var cbDesc = new ConstantBufferViewDescription()
{
BufferLocation = constantBuffer.GPUVirtualAddress,
SizeInBytes = (Utilities.SizeOf<ConstantBufferData>() + 255) & ~255
};
var srvCbvStep = device.GetDescriptorHandleIncrementSize(DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView);
device.CreateConstantBufferView(cbDesc, srvCbvHeap.CPUDescriptorHandleForHeapStart + srvCbvStep);
constantBufferData = new ConstantBufferData
{
Project = Matrix.Identity
};
constantBufferPointer = constantBuffer.Map(0);
Utilities.Write(constantBufferPointer, ref constantBufferData);
// build depth buffer
DescriptorHeapDescription descDescriptorHeapDSB = new DescriptorHeapDescription()
{
DescriptorCount = 1,
Type = DescriptorHeapType.DepthStencilView,
Flags = DescriptorHeapFlags.None
};
DescriptorHeap descriptorHeapDSB = device.CreateDescriptorHeap(descDescriptorHeapDSB);
ResourceDescription descDepth = new ResourceDescription()
{
Dimension = ResourceDimension.Texture2D,
DepthOrArraySize = 1,
MipLevels = 0,
Flags = ResourceFlags.AllowDepthStencil,
Width = (int)viewport.Width,
Height = (int)viewport.Height,
Format = Format.R32_Typeless,
Layout = TextureLayout.Unknown,
SampleDescription = new SampleDescription() { Count = 1 }
};
ClearValue dsvClearValue = new ClearValue()
{
Format = Format.D32_Float,
DepthStencil = new DepthStencilValue()
{
Depth = 1.0f,
Stencil = 0
}
};
Resource renderTargetDepth = device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None, descDepth, ResourceStates.GenericRead, dsvClearValue);
DepthStencilViewDescription depthDSV = new DepthStencilViewDescription()
{
Dimension = DepthStencilViewDimension.Texture2D,
Format = Format.D32_Float,
Texture2D = new DepthStencilViewDescription.Texture2DResource()
{
MipSlice = 0
}
};
device.CreateDepthStencilView(renderTargetDepth, depthDSV, descriptorHeapDSB.CPUDescriptorHandleForHeapStart);
handleDSV = descriptorHeapDSB.CPUDescriptorHandleForHeapStart;
fence = device.CreateFence(0, FenceFlags.None);
fenceValue = 1;
fenceEvent = new AutoResetEvent(false);
}
/// <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.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();
}
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
} };
}
public void SetIndexBuffer(Buffer buffer, int offset, bool is32bits)
{
var newIndexBuffer = new IndexBufferView(buffer, offset, is32bits);
if (indexBuffer != newIndexBuffer)
{
// Setup index buffer
indexBuffer = newIndexBuffer;
}
}
