private DescriptorSet(GraphicsDevice graphicsDevice, DescriptorPool pool, DescriptorSetLayout desc)
{
if (pool.SrvOffset + desc.SrvCount > pool.SrvCount || pool.SamplerOffset + desc.SamplerCount > pool.SamplerCount)
{
// Eearly exit if OOM, IsValid should return false (TODO: different mechanism?)
Device = null;
BindingOffsets = null;
Description = null;
SrvStart = new CpuDescriptorHandle();
SamplerStart = new CpuDescriptorHandle();
return;
}
Device = graphicsDevice;
BindingOffsets = desc.BindingOffsets;
Description = desc;
// Store start CpuDescriptorHandle
SrvStart = desc.SrvCount > 0 ? (pool.SrvStart + graphicsDevice.SrvHandleIncrementSize * pool.SrvOffset) : new CpuDescriptorHandle();
SamplerStart = desc.SamplerCount > 0 ? (pool.SamplerStart + graphicsDevice.SamplerHandleIncrementSize * pool.SamplerOffset) : new CpuDescriptorHandle();
// Allocation is done, bump offsets
// TODO D3D12 thread safety?
pool.SrvOffset += desc.SrvCount;
pool.SamplerOffset += desc.SamplerCount;
}
private DescriptorPool(GraphicsDevice graphicsDevice, DescriptorTypeCount[] counts) : base(graphicsDevice)
{
// For now, we put everything together so let's compute total count
foreach (var count in counts)
{
if (count.Type == EffectParameterClass.Sampler)
SamplerCount += count.Count;
else
SrvCount += count.Count;
}
if (SrvCount > 0)
{
SrvHeap = graphicsDevice.NativeDevice.CreateDescriptorHeap(new DescriptorHeapDescription
{
DescriptorCount = SrvCount,
Flags = DescriptorHeapFlags.None,
Type = DescriptorHeapType.ConstantBufferViewShaderResourceViewUnorderedAccessView,
});
SrvStart = SrvHeap.CPUDescriptorHandleForHeapStart;
}
if (SamplerCount > 0)
{
SamplerHeap = graphicsDevice.NativeDevice.CreateDescriptorHeap(new DescriptorHeapDescription
{
DescriptorCount = SamplerCount,
Flags = DescriptorHeapFlags.None,
Type = DescriptorHeapType.Sampler,
});
SamplerStart = SamplerHeap.CPUDescriptorHandleForHeapStart;
}
}
/// <summary>
/// <p> Sets CPU descriptor handles for the render targets and depth stencil. </p>
/// </summary>
/// <param name="numRenderTargetDescriptors"><dd> <p> The number of entries in the <em>pRenderTargetDescriptors</em> array. </p> </dd></param>
/// <param name="renderTargetDescriptorsRef"><dd> <p> Specifies an array of <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structures that describe the CPU descriptor handles that represents the start of the heap of render target descriptors. </p> </dd></param>
/// <param name="rTsSingleHandleToDescriptorRange"><dd> <p><strong>True</strong> means the handle passed in is the reference to a contiguous range of <em>NumRenderTargetDescriptors</em> descriptors. This case is useful if the set of descriptors to bind already happens to be contiguous in memory (so all that?s needed is a handle to the first one). For example, if <em>NumRenderTargetDescriptors</em> is 3 then the memory layout is taken as follows:</p><p>In this case the driver dereferences the handle and then increments the memory being pointed to.</p> <p><strong>False</strong> means that the handle is the first of an array of <em>NumRenderTargetDescriptors</em> handles. The false case allows an application to bind a set of descriptors from different locations at once. Again assuming that <em>NumRenderTargetDescriptors</em> is 3, the memory layout is taken as follows:</p><p>In this case the driver dereferences three handles that are expected to be adjacent to each other in memory.</p> </dd></param>
/// <param name="depthStencilDescriptorRef"><dd> <p> A reference to a <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structure that describes the CPU descriptor handle that represents the start of the heap that holds the depth stencil descriptor. </p> </dd></param>
/// <include file='.\..\Documentation\CodeComments.xml' path="/comments/comment[@id='ID3D12GraphicsCommandList::OMSetRenderTargets']/*"/>
/// <msdn-id>dn986884</msdn-id>
/// <unmanaged>void ID3D12GraphicsCommandList::OMSetRenderTargets([In] unsigned int NumRenderTargetDescriptors,[In, Optional] const void* pRenderTargetDescriptors,[In] BOOL RTsSingleHandleToDescriptorRange,[In, Optional] const D3D12_CPU_DESCRIPTOR_HANDLE* pDepthStencilDescriptor)</unmanaged>
/// <unmanaged-short>ID3D12GraphicsCommandList::OMSetRenderTargets</unmanaged-short>
public unsafe void SetRenderTargets(CpuDescriptorHandle?renderTargetDescriptor, SharpDX.Direct3D12.CpuDescriptorHandle?depthStencilDescriptorRef)
{
var renderTargetDesc = new CpuDescriptorHandle();
if (renderTargetDescriptor.HasValue)
{
renderTargetDesc = renderTargetDescriptor.Value;
}
SetRenderTargets(renderTargetDesc.Ptr != PointerSize.Zero ? 1 : 0, renderTargetDescriptor.HasValue ? new IntPtr(&renderTargetDesc) : IntPtr.Zero, false, depthStencilDescriptorRef);
}
public override void SetDefaultRenderTarget(int width, int height, bool doClearColor)
{
SharpDX.Direct3D12.ResourceBarrier barrier = new SharpDX.Direct3D12.ResourceBarrier();
barrier.Type = SharpDX.Direct3D12.ResourceBarrierType.Transition;
barrier.Flags = SharpDX.Direct3D12.ResourceBarrierFlags.None;
if (_sampleDesc.Count > 1)
{
barrier.Transition = new SharpDX.Direct3D12.ResourceTransitionBarrier(_backBuffersAA[_frameIndex],
SharpDX.Direct3D12.ResourceStates.ResolveSource,
SharpDX.Direct3D12.ResourceStates.RenderTarget)
{
Subresource = 0
};
}
else
{
barrier.Transition = new SharpDX.Direct3D12.ResourceTransitionBarrier(_backBuffers[_frameIndex],
SharpDX.Direct3D12.ResourceStates.Present,
SharpDX.Direct3D12.ResourceStates.RenderTarget)
{
Subresource = 0
};
}
_commands.ResourceBarrier(barrier);
SharpDX.Direct3D12.CpuDescriptorHandle rtv = _heapRTV.CPUDescriptorHandleForHeapStart;
rtv.Ptr += _frameIndex * _sizeRTV;
if (doClearColor)
{
SharpDX.Mathematics.Interop.RawColor4 clearColor = new SharpDX.Mathematics.Interop.RawColor4(0.0f, 0.0f, 0.0f, 0.0f);
_commands.ClearRenderTargetView(rtv, clearColor, 0, null);
}
SharpDX.Direct3D12.CpuDescriptorHandle dsv = _heapDSV.CPUDescriptorHandleForHeapStart;
_commands.ClearDepthStencilView(dsv, SharpDX.Direct3D12.ClearFlags.FlagsStencil, 0.0f, 0, 0, null);
_commands.SetRenderTargets(1, rtv, dsv);
_commands.SetViewports(1, _viewport);
}
private void BuildDepthBuffer()
{
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;
}
/// <summary>
/// <p> Sets all the elements in a render target to one value. </p>
/// </summary>
/// <param name="renderTargetView"><dd> <p> Specifies a <see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/> structure that describes the CPU descriptor handle that represents the start of the heap for the render target to be cleared. </p> </dd></param>
/// <param name="colorRGBA"><dd> <p> A 4-component array that represents the color to fill the render target with. </p> </dd></param>
/// <param name="numRects"><dd> <p> The number of rectangles in the array that the <em>pRects</em> parameter specifies. </p> </dd></param>
/// <param name="rectsRef"><dd> <p> An array of <strong>D3D12_RECT</strong> structures for the rectangles in the resource view to clear. If <strong><c>null</c></strong>, <strong>ClearRenderTargetView</strong> clears the entire resource view. </p> </dd></param>
/// <include file='.\..\Documentation\CodeComments.xml' path="/comments/comment[@id='ID3D12GraphicsCommandList::ClearRenderTargetView']/*"/>
/// <msdn-id>dn903842</msdn-id>
/// <unmanaged>void ID3D12GraphicsCommandList::ClearRenderTargetView([In] D3D12_CPU_DESCRIPTOR_HANDLE RenderTargetView,[In] const SHARPDX_COLOR4* ColorRGBA,[In] unsigned int NumRects,[In, Buffer] const RECT* pRects)</unmanaged>
/// <unmanaged-short>ID3D12GraphicsCommandList::ClearRenderTargetView</unmanaged-short>
public void ClearRenderTargetView(CpuDescriptorHandle renderTargetView, Mathematics.Interop.RawColor4 colorRGBA)
{
ClearRenderTargetView(renderTargetView, colorRGBA, 0, null);
}
/// <summary>
/// <p> Sets CPU descriptor handles for the render targets and depth stencil. </p>
/// </summary>
/// <param name="numRenderTargetDescriptors"><dd> <p> The number of entries in the <em>pRenderTargetDescriptors</em> array. </p> </dd></param>
/// <param name="renderTargetDescriptorsRef"><dd> <p> Specifies an array of <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structures that describe the CPU descriptor handles that represents the start of the heap of render target descriptors. </p> </dd></param>
/// <param name="rTsSingleHandleToDescriptorRange"><dd> <p><strong>True</strong> means the handle passed in is the reference to a contiguous range of <em>NumRenderTargetDescriptors</em> descriptors. This case is useful if the set of descriptors to bind already happens to be contiguous in memory (so all that?s needed is a handle to the first one). For example, if <em>NumRenderTargetDescriptors</em> is 3 then the memory layout is taken as follows:</p><p>In this case the driver dereferences the handle and then increments the memory being pointed to.</p> <p><strong>False</strong> means that the handle is the first of an array of <em>NumRenderTargetDescriptors</em> handles. The false case allows an application to bind a set of descriptors from different locations at once. Again assuming that <em>NumRenderTargetDescriptors</em> is 3, the memory layout is taken as follows:</p><p>In this case the driver dereferences three handles that are expected to be adjacent to each other in memory.</p> </dd></param>
/// <param name="depthStencilDescriptorRef"><dd> <p> A reference to a <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structure that describes the CPU descriptor handle that represents the start of the heap that holds the depth stencil descriptor. </p> </dd></param>
/// <include file='.\..\Documentation\CodeComments.xml' path="/comments/comment[@id='ID3D12GraphicsCommandList::OMSetRenderTargets']/*"/>
/// <msdn-id>dn986884</msdn-id>
/// <unmanaged>void ID3D12GraphicsCommandList::OMSetRenderTargets([In] unsigned int NumRenderTargetDescriptors,[In, Optional] const void* pRenderTargetDescriptors,[In] BOOL RTsSingleHandleToDescriptorRange,[In, Optional] const D3D12_CPU_DESCRIPTOR_HANDLE* pDepthStencilDescriptor)</unmanaged>
/// <unmanaged-short>ID3D12GraphicsCommandList::OMSetRenderTargets</unmanaged-short>
public unsafe void SetRenderTargets(CpuDescriptorHandle? renderTargetDescriptor, SharpDX.Direct3D12.CpuDescriptorHandle? depthStencilDescriptorRef)
{
var renderTargetDesc = new CpuDescriptorHandle();
if (renderTargetDescriptor.HasValue)
{
renderTargetDesc = renderTargetDescriptor.Value;
}
SetRenderTargets(renderTargetDesc.Ptr != PointerSize.Zero ? 1 : 0, renderTargetDescriptor.HasValue ? new IntPtr(&renderTargetDesc) : IntPtr.Zero, false, depthStencilDescriptorRef);
}
/// <summary>
/// <p> Sets CPU descriptor handles for the render targets and depth stencil. </p>
/// </summary>
/// <param name="numRenderTargetDescriptors"><dd> <p> The number of entries in the <em>pRenderTargetDescriptors</em> array. </p> </dd></param>
/// <param name="renderTargetDescriptorsRef"><dd> <p> Specifies an array of <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structures that describe the CPU descriptor handles that represents the start of the heap of render target descriptors. </p> </dd></param>
/// <param name="rTsSingleHandleToDescriptorRange"><dd> <p><strong>True</strong> means the handle passed in is the reference to a contiguous range of <em>NumRenderTargetDescriptors</em> descriptors. This case is useful if the set of descriptors to bind already happens to be contiguous in memory (so all that?s needed is a handle to the first one). For example, if <em>NumRenderTargetDescriptors</em> is 3 then the memory layout is taken as follows:</p><p>In this case the driver dereferences the handle and then increments the memory being pointed to.</p> <p><strong>False</strong> means that the handle is the first of an array of <em>NumRenderTargetDescriptors</em> handles. The false case allows an application to bind a set of descriptors from different locations at once. Again assuming that <em>NumRenderTargetDescriptors</em> is 3, the memory layout is taken as follows:</p><p>In this case the driver dereferences three handles that are expected to be adjacent to each other in memory.</p> </dd></param>
/// <param name="depthStencilDescriptorRef"><dd> <p> A reference to a <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structure that describes the CPU descriptor handle that represents the start of the heap that holds the depth stencil descriptor. </p> </dd></param>
/// <include file='.\..\Documentation\CodeComments.xml' path="/comments/comment[@id='ID3D12GraphicsCommandList::OMSetRenderTargets']/*"/>
/// <msdn-id>dn986884</msdn-id>
/// <unmanaged>void ID3D12GraphicsCommandList::OMSetRenderTargets([In] unsigned int NumRenderTargetDescriptors,[In, Optional] const void* pRenderTargetDescriptors,[In] BOOL RTsSingleHandleToDescriptorRange,[In, Optional] const D3D12_CPU_DESCRIPTOR_HANDLE* pDepthStencilDescriptor)</unmanaged>
/// <unmanaged-short>ID3D12GraphicsCommandList::OMSetRenderTargets</unmanaged-short>
public unsafe void SetRenderTargets(CpuDescriptorHandle[] renderTargetDescriptors, SharpDX.Direct3D12.CpuDescriptorHandle? depthStencilDescriptorRef)
{
fixed (void* pRT = renderTargetDescriptors)
SetRenderTargets(renderTargetDescriptors != null ? renderTargetDescriptors.Length : 0, new IntPtr(pRT), false, depthStencilDescriptorRef);
}
/// <summary>
/// <p> Sets CPU descriptor handles for the render targets and depth stencil. </p>
/// </summary>
/// <param name="numRenderTargetDescriptors"><dd> <p> The number of entries in the <em>pRenderTargetDescriptors</em> array. </p> </dd></param>
/// <param name="renderTargetDescriptorsRef"><dd> <p> Specifies an array of <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structures that describe the CPU descriptor handles that represents the start of the heap of render target descriptors. </p> </dd></param>
/// <param name="rTsSingleHandleToDescriptorRange"><dd> <p><strong>True</strong> means the handle passed in is the reference to a contiguous range of <em>NumRenderTargetDescriptors</em> descriptors. This case is useful if the set of descriptors to bind already happens to be contiguous in memory (so all that?s needed is a handle to the first one). For example, if <em>NumRenderTargetDescriptors</em> is 3 then the memory layout is taken as follows:</p><p>In this case the driver dereferences the handle and then increments the memory being pointed to.</p> <p><strong>False</strong> means that the handle is the first of an array of <em>NumRenderTargetDescriptors</em> handles. The false case allows an application to bind a set of descriptors from different locations at once. Again assuming that <em>NumRenderTargetDescriptors</em> is 3, the memory layout is taken as follows:</p><p>In this case the driver dereferences three handles that are expected to be adjacent to each other in memory.</p> </dd></param>
/// <param name="depthStencilDescriptorRef"><dd> <p> A reference to a <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structure that describes the CPU descriptor handle that represents the start of the heap that holds the depth stencil descriptor. </p> </dd></param>
/// <include file='.\..\Documentation\CodeComments.xml' path="/comments/comment[@id='ID3D12GraphicsCommandList::OMSetRenderTargets']/*"/>
/// <msdn-id>dn986884</msdn-id>
/// <unmanaged>void ID3D12GraphicsCommandList::OMSetRenderTargets([In] unsigned int NumRenderTargetDescriptors,[In, Optional] const void* pRenderTargetDescriptors,[In] BOOL RTsSingleHandleToDescriptorRange,[In, Optional] const D3D12_CPU_DESCRIPTOR_HANDLE* pDepthStencilDescriptor)</unmanaged>
/// <unmanaged-short>ID3D12GraphicsCommandList::OMSetRenderTargets</unmanaged-short>
public unsafe void SetRenderTargets(int numRenderTargetDescriptors,
CpuDescriptorHandle renderTargetDescriptors,
SharpDX.Direct3D12.CpuDescriptorHandle? depthStencilDescriptorRef)
{
SetRenderTargets(numRenderTargetDescriptors, new IntPtr(&renderTargetDescriptors), true, depthStencilDescriptorRef);
}
/// <summary>
/// Binds a depth-stencil buffer and a set of render targets to the output-merger stage. See <see cref="Textures+and+render+targets"/> to learn how to use it.
/// </summary>
/// <param name="depthStencilBuffer">The depth stencil buffer.</param>
/// <param name="renderTargets">The render targets.</param>
/// <exception cref="System.ArgumentNullException">renderTargetViews</exception>
private void SetRenderTargetsImpl(Texture depthStencilBuffer, int renderTargetCount, Texture[] renderTargets)
{
var renderTargetHandles = new CpuDescriptorHandle[renderTargetCount];
for (int i = 0; i < renderTargetHandles.Length; ++i)
{
renderTargetHandles[i] = renderTargets[i].NativeRenderTargetView;
}
NativeCommandList.SetRenderTargets(renderTargetHandles, depthStencilBuffer?.NativeDepthStencilView);
}
private void InitializeFromImpl(DataBox[] dataBoxes = null)
{
if (ParentTexture != null)
{
ParentResource = ParentTexture;
NativeDeviceChild = ParentTexture.NativeDeviceChild;
}
if (NativeDeviceChild == null)
{
ResourceDescription nativeDescription;
switch (Dimension)
{
case TextureDimension.Texture1D:
nativeDescription = ConvertToNativeDescription1D();
break;
case TextureDimension.Texture2D:
case TextureDimension.TextureCube:
nativeDescription = ConvertToNativeDescription2D();
break;
case TextureDimension.Texture3D:
nativeDescription = ConvertToNativeDescription3D();
break;
default:
throw new ArgumentOutOfRangeException();
}
var initialResourceState = ResourceStates.GenericRead;
var heapType = HeapType.Default;
var currentResourceState = initialResourceState;
if (Usage == GraphicsResourceUsage.Staging)
{
if (dataBoxes != null)
throw new NotImplementedException();
heapType = HeapType.Readback;
initialResourceState = ResourceStates.CopyDestination;
currentResourceState = ResourceStates.CopyDestination;
nativeDescription = ResourceDescription.Buffer(ComputeBufferTotalSize());
// TODO: Alloc in readback heap as a buffer
//return;
}
if (dataBoxes != null && dataBoxes.Length > 0)
currentResourceState = ResourceStates.CopyDestination;
// TODO D3D12 move that to a global allocator in bigger committed resources
NativeDeviceChild = GraphicsDevice.NativeDevice.CreateCommittedResource(new HeapProperties(heapType), HeapFlags.None, nativeDescription, currentResourceState);
GraphicsDevice.TextureMemory += (Depth*DepthStride) / (float)0x100000;
if (dataBoxes != null && dataBoxes.Length > 0)
{
if (Usage == GraphicsResourceUsage.Staging)
throw new NotImplementedException("D3D12: Staging textures can't be created with initial data");
// Trigger copy
var commandList = GraphicsDevice.NativeCopyCommandList;
commandList.Reset(GraphicsDevice.NativeCopyCommandAllocator, null);
long textureCopySize;
var placedSubresources = new PlacedSubResourceFootprint[dataBoxes.Length];
var rowCounts = new int[dataBoxes.Length];
var rowSizeInBytes = new long[dataBoxes.Length];
GraphicsDevice.NativeDevice.GetCopyableFootprints(ref nativeDescription, 0, dataBoxes.Length, 0, placedSubresources, rowCounts, rowSizeInBytes, out textureCopySize);
SharpDX.Direct3D12.Resource uploadResource;
int uploadOffset;
var uploadMemory = GraphicsDevice.AllocateUploadBuffer((int)textureCopySize, out uploadResource, out uploadOffset, TextureSubresourceAlignment);
for (int i = 0; i < dataBoxes.Length; ++i)
{
var databox = dataBoxes[i];
var dataPointer = databox.DataPointer;
var rowCount = rowCounts[i];
var sliceCount = placedSubresources[i].Footprint.Depth;
var rowSize = (int)rowSizeInBytes[i];
var destRowPitch = placedSubresources[i].Footprint.RowPitch;
// Memcpy data
for (int z = 0; z < sliceCount; ++z)
{
var uploadMemoryCurrent = uploadMemory + (int)placedSubresources[i].Offset + z * destRowPitch * rowCount;
var dataPointerCurrent = dataPointer + z * databox.SlicePitch;
for (int y = 0; y < rowCount; ++y)
{
Utilities.CopyMemory(uploadMemoryCurrent, dataPointerCurrent, rowSize);
uploadMemoryCurrent += destRowPitch;
dataPointerCurrent += databox.RowPitch;
}
}
// Adjust upload offset (circular dependency between GetCopyableFootprints and AllocateUploadBuffer)
placedSubresources[i].Offset += uploadOffset;
commandList.CopyTextureRegion(new TextureCopyLocation(NativeResource, i), 0, 0, 0, new TextureCopyLocation(uploadResource, placedSubresources[i]), null);
}
commandList.ResourceBarrierTransition(NativeResource, ResourceStates.CopyDestination, initialResourceState);
commandList.Close();
GraphicsDevice.WaitCopyQueue();
}
NativeResourceState = initialResourceState;
}
NativeShaderResourceView = GetShaderResourceView(ViewType, ArraySlice, MipLevel);
NativeRenderTargetView = GetRenderTargetView(ViewType, ArraySlice, MipLevel);
NativeDepthStencilView = GetDepthStencilView(out HasStencil);
}
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;
}
/// <summary>
/// <p> Sets CPU descriptor handles for the render targets and depth stencil. </p>
/// </summary>
/// <param name="numRenderTargetDescriptors"><dd> <p> The number of entries in the <em>pRenderTargetDescriptors</em> array. </p> </dd></param>
/// <param name="renderTargetDescriptorsRef"><dd> <p> Specifies an array of <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structures that describe the CPU descriptor handles that represents the start of the heap of render target descriptors. </p> </dd></param>
/// <param name="rTsSingleHandleToDescriptorRange"><dd> <p><strong>True</strong> means the handle passed in is the reference to a contiguous range of <em>NumRenderTargetDescriptors</em> descriptors. This case is useful if the set of descriptors to bind already happens to be contiguous in memory (so all that?s needed is a handle to the first one). For example, if <em>NumRenderTargetDescriptors</em> is 3 then the memory layout is taken as follows:</p><p>In this case the driver dereferences the handle and then increments the memory being pointed to.</p> <p><strong>False</strong> means that the handle is the first of an array of <em>NumRenderTargetDescriptors</em> handles. The false case allows an application to bind a set of descriptors from different locations at once. Again assuming that <em>NumRenderTargetDescriptors</em> is 3, the memory layout is taken as follows:</p><p>In this case the driver dereferences three handles that are expected to be adjacent to each other in memory.</p> </dd></param>
/// <param name="depthStencilDescriptorRef"><dd> <p> A reference to a <strong><see cref="SharpDX.Direct3D12.CpuDescriptorHandle"/></strong> structure that describes the CPU descriptor handle that represents the start of the heap that holds the depth stencil descriptor. </p> </dd></param>
/// <include file='.\..\Documentation\CodeComments.xml' path="/comments/comment[@id='ID3D12GraphicsCommandList::OMSetRenderTargets']/*"/>
/// <msdn-id>dn986884</msdn-id>
/// <unmanaged>void ID3D12GraphicsCommandList::OMSetRenderTargets([In] unsigned int NumRenderTargetDescriptors,[In, Optional] const void* pRenderTargetDescriptors,[In] BOOL RTsSingleHandleToDescriptorRange,[In, Optional] const D3D12_CPU_DESCRIPTOR_HANDLE* pDepthStencilDescriptor)</unmanaged>
/// <unmanaged-short>ID3D12GraphicsCommandList::OMSetRenderTargets</unmanaged-short>
public unsafe void SetRenderTargets(int numRenderTargetDescriptors,
CpuDescriptorHandle renderTargetDescriptors,
SharpDX.Direct3D12.CpuDescriptorHandle?depthStencilDescriptorRef)
{
SetRenderTargets(numRenderTargetDescriptors, new IntPtr(&renderTargetDescriptors), true, depthStencilDescriptorRef);
}
void CreateBuffers()
{
SharpDX.Direct3D12.CpuDescriptorHandle rtv = _heapRTV.CPUDescriptorHandleForHeapStart;
SharpDX.Direct3D12.HeapFlags flags = SharpDX.Direct3D12.HeapFlags.None;
_frameIndex = _swapChain.CurrentBackBufferIndex;
SharpDX.DXGI.SwapChainDescription1 swapChainDesc = _swapChain.Description1;
// TODO: Check ID3D12Device8 to enable D3D12_HEAP_FLAG_CREATE_NOT_ZEROED
SharpDX.Direct3D12.ResourceDescription desc = new SharpDX.Direct3D12.ResourceDescription();
desc.Dimension = SharpDX.Direct3D12.ResourceDimension.Texture2D;
desc.Alignment = 0;
desc.Width = swapChainDesc.Width;
desc.Height = swapChainDesc.Height;
desc.DepthOrArraySize = 1;
desc.MipLevels = 1;
desc.SampleDescription = _sampleDesc;
desc.Layout = SharpDX.Direct3D12.TextureLayout.Unknown;
SharpDX.Direct3D12.HeapProperties heap = new SharpDX.Direct3D12.HeapProperties();
heap.Type = SharpDX.Direct3D12.HeapType.Default;
heap.CPUPageProperty = SharpDX.Direct3D12.CpuPageProperty.Unknown;
heap.MemoryPoolPreference = SharpDX.Direct3D12.MemoryPool.Unknown;
heap.CreationNodeMask = 0;
heap.VisibleNodeMask = 0;
SharpDX.Direct3D12.ClearValue clearValue = new SharpDX.Direct3D12.ClearValue();
clearValue.Format = _format;
clearValue.Color = new SharpDX.Mathematics.Interop.RawVector4(0.0f, 0.0f, 0.0f, 0.0f);
for (int i = 0; i < FrameCount; i++)
{
desc.Format = _format;
desc.Flags = SharpDX.Direct3D12.ResourceFlags.AllowRenderTarget;
_backBuffers[i] = _swapChain.GetBackBuffer <SharpDX.Direct3D12.Resource>(i);
if (_sampleDesc.Count != 1)
{
_backBuffersAA[i] = _dev.CreateCommittedResource(heap, flags, desc, SharpDX.Direct3D12.ResourceStates.ResolveSource, clearValue);
_dev.CreateRenderTargetView(_backBuffersAA[i], null, rtv);
}
else
{
SharpDX.Direct3D12.RenderTargetViewDescription view = new SharpDX.Direct3D12.RenderTargetViewDescription();
view.Format = _format;
view.Dimension = SharpDX.Direct3D12.RenderTargetViewDimension.Texture2D;
view.Texture2D.MipSlice = 0;
view.Texture2D.PlaneSlice = 0;
_dev.CreateRenderTargetView(_backBuffers[i], view, rtv);
}
rtv.Ptr += _sizeRTV;
}
// Stencil buffer
clearValue.Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt;
clearValue.DepthStencil.Depth = 0.0f;
clearValue.DepthStencil.Stencil = 0;
desc.Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt;
desc.Flags = SharpDX.Direct3D12.ResourceFlags.AllowDepthStencil;
_stencilBuffer = _dev.CreateCommittedResource(heap, flags, desc, SharpDX.Direct3D12.ResourceStates.DepthWrite, clearValue);
SharpDX.Direct3D12.CpuDescriptorHandle dsv = _heapDSV.CPUDescriptorHandleForHeapStart;
_dev.CreateDepthStencilView(_stencilBuffer, null, dsv);
// Viewport
_viewport[0].TopLeftX = 0.0f;
_viewport[0].TopLeftY = 0.0f;
_viewport[0].Width = desc.Width;
_viewport[0].Height = desc.Height;
_viewport[0].MinDepth = 0.0f;
_viewport[0].MaxDepth = 1.0f;
}
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>
/// No documentation for Direct3D12
/// </summary>
/// <param name="renderTargetView">No documentation.</param>
/// <param name="colorRGBA">No documentation.</param>
/// <include file='.\..\Documentation\CodeComments.xml' path="/comments/comment[@id='ID3D12GraphicsCommandList::ClearRenderTargetView']/*"/>
/// <unmanaged>void ID3D12GraphicsCommandList::ClearRenderTargetView([In] D3D12_CPU_DESCRIPTOR_HANDLE RenderTargetView,[In] const SHARPDX_COLOR4* ColorRGBA,[In] unsigned int NumRects,[In, Buffer] const RECT* pRects)</unmanaged>
/// <unmanaged-short>ID3D12GraphicsCommandList::ClearRenderTargetView</unmanaged-short>
public void ClearRenderTargetView(CpuDescriptorHandle renderTargetView, Mathematics.Interop.RawColor4 colorRGBA)
{
ClearRenderTargetView(renderTargetView, colorRGBA, 0, null);
}
/// <summary>
/// Gets a <see cref="ShaderResourceView"/> for a particular <see cref="PixelFormat"/>.
/// </summary>
/// <param name="viewFormat">The view format.</param>
/// <returns>A <see cref="ShaderResourceView"/> for the particular view format.</returns>
/// <remarks>
/// The buffer must have been declared with <see cref="Graphics.BufferFlags.ShaderResource"/>.
/// The ShaderResourceView instance is kept by this buffer and will be disposed when this buffer is disposed.
/// </remarks>
internal CpuDescriptorHandle GetShaderResourceView(PixelFormat viewFormat)
{
var srv = new CpuDescriptorHandle();
if ((ViewFlags & BufferFlags.ShaderResource) != 0)
{
var description = new ShaderResourceViewDescription
{
Shader4ComponentMapping = 0x00001688,
Format = (SharpDX.DXGI.Format)viewFormat,
Dimension = SharpDX.Direct3D12.ShaderResourceViewDimension.Buffer,
Buffer =
{
ElementCount = this.ElementCount,
FirstElement = 0,
Flags = BufferShaderResourceViewFlags.None,
StructureByteStride = StructureByteStride,
}
};
if (((ViewFlags & BufferFlags.RawBuffer) == BufferFlags.RawBuffer))
description.Buffer.Flags |= BufferShaderResourceViewFlags.Raw;
srv = GraphicsDevice.ShaderResourceViewAllocator.Allocate(1);
NativeDevice.CreateShaderResourceView(NativeResource, description, srv);
}
return srv;
}
