/// <inheritdoc/>
public override void GetData(Span <T> span, int offset, int count)
{
if (IsPaddingPresent)
{
// Create the temporary array
byte[] temporaryArray = ArrayPool <byte> .Shared.Rent(count *PaddedElementSizeInBytes);
Span <byte> temporarySpan = temporaryArray.AsSpan(0, count * PaddedElementSizeInBytes);
// Copy the padded data to the temporary array
Map(0);
MemoryHelper.Copy(MappedResource, offset * PaddedElementSizeInBytes, temporarySpan, 0, count * PaddedElementSizeInBytes);
Unmap(0);
ref byte tin = ref temporarySpan.GetPinnableReference();
ref T tout = ref span.GetPinnableReference();
private void EnsureCpacity(int n)
{
if (n >= _capacity)
{
int newCapacity = _capacity * 2;
int *newEntries = (int *)HeapAllocator.New(newCapacity * sizeof(int));
MemoryHelper.Copy((byte *)_entries, (byte *)newEntries, _capacity * sizeof(int));
HeapAllocator.Free((byte *)_entries);
for (int i = _capacity; i < newCapacity; i++)
{
newEntries[i] = i + _idOffset;
}
_entries = newEntries;
_capacity = newCapacity;
}
}
/// <summary>
/// Reads the contents of the specified range from an input <see cref="ReadBackBuffer{T}"/> instance and writes them to the current the current <see cref="StructuredBuffer{T}"/> instance.
/// </summary>
/// <param name="source">The input <see cref="UploadBuffer{T}"/> instance to read data from.</param>
/// <param name="sourceOffset">The starting offset within <paramref name="source"/> to read data from.</param>
/// <param name="destinationOffset">The offset to start reading writing data to.</param>
/// <param name="count">The number of items to read.</param>
internal unsafe void CopyFrom(UploadBuffer <T> source, int sourceOffset, int destinationOffset, int count)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
source.ThrowIfDeviceMismatch(GraphicsDevice);
source.ThrowIfDisposed();
Guard.IsBetweenOrEqualTo(count, 0, Length);
Guard.IsBetweenOrEqualTo(count, 0, source.Length);
Guard.IsInRange(sourceOffset, 0, source.Length);
Guard.IsLessThanOrEqualTo(sourceOffset + count, source.Length, nameof(sourceOffset));
Guard.IsInRange(destinationOffset, 0, Length);
Guard.IsLessThanOrEqualTo(destinationOffset + count, Length, nameof(destinationOffset));
if (GraphicsDevice.IsCacheCoherentUMA)
{
using ID3D12ResourceMap resource = D3D12Resource->Map();
MemoryHelper.Copy <T>(
source: source.MappedData,
destination: resource.Pointer,
sourceElementOffset: (uint)sourceOffset,
destinationElementOffset: (uint)destinationOffset,
sourceElementPitchInBytes: (uint)sizeof(T),
destinationElementPitchInBytes: (uint)sizeof(T),
count: (uint)count);
}
else
{
ulong byteSourceOffset = (uint)sourceOffset * (uint)sizeof(T);
ulong byteOffset = (uint)destinationOffset * (uint)sizeof(T);
ulong byteLength = (uint)count * (uint)sizeof(T);
using CommandList copyCommandList = new(GraphicsDevice, D3D12_COMMAND_LIST_TYPE_COPY);
copyCommandList.D3D12GraphicsCommandList->CopyBufferRegion(D3D12Resource, byteOffset, source.D3D12Resource, byteSourceOffset, byteLength);
copyCommandList.ExecuteAndWaitForCompletion();
}
}
/// <inheritdoc/>
public override unsafe void CopyFrom(Buffer <T> source)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
source.ThrowIfDeviceMismatch(GraphicsDevice);
source.ThrowIfDisposed();
Guard.IsLessThanOrEqualTo(source.Length, Length, nameof(Length));
if (source is ConstantBuffer <T> buffer)
{
using ID3D12ResourceMap sourceMap = buffer.D3D12Resource->Map();
using ID3D12ResourceMap destinationMap = D3D12Resource->Map();
if (IsPaddingPresent)
{
MemoryHelper.Copy <T>(
sourceMap.Pointer,
destinationMap.Pointer,
0,
(uint)source.Length,
(uint)GetPaddedSize(),
isPaddingInSourceToo: true);
}
else
{
MemoryHelper.Copy(
sourceMap.Pointer,
0,
(uint)source.Length,
(uint)sizeof(T),
destinationMap.Pointer);
}
}
else
{
CopyFromWithCpuBuffer(source);
}
}
public static string GetString(this byte[] value)
{
if (value == null)
{
return(null);
}
int length = value.Length;
char[] buf = new char[length / MemoryHelper.CharSizeInBytes];
unsafe
{
fixed(byte *src = value)
fixed(char *dst = buf)
{
MemoryHelper.Copy(dst, src, length);
}
}
return(new string(buf));
}
public static char[] GetChars(this string value)
{
if (value == null)
{
return(null);
}
int length = value.Length;
char[] buf = new char[length];
unsafe
{
fixed(char *src = value)
fixed(char *dst = buf)
{
MemoryHelper.Copy(dst, src, length * MemoryHelper.CharSizeInBytes);
}
}
return(buf);
}
public static byte[] GetBytes(this char[] value)
{
if (value == null)
{
return(null);
}
int length = value.Length;
byte[] buf = new byte[length * MemoryHelper.CharSizeInBytes];
unsafe
{
fixed(char *src = value)
fixed(byte *dst = buf)
{
MemoryHelper.Copy(dst, src, buf.Length);
}
}
return(buf);
}
/// <summary>
/// Reads the contents of the specified range from the current <see cref="StructuredBuffer{T}"/> instance and writes them into a target <see cref="ReadBackBuffer{T}"/> instance.
/// </summary>
/// <param name="destination">The target <see cref="ReadBackBuffer{T}"/> instance to write data to.</param>
/// <param name="destinationOffset">The starting offset within <paramref name="destination"/> to write data to.</param>
/// <param name="length">The number of items to read.</param>
/// <param name="offset">The offset to start reading data from.</param>
internal unsafe void CopyTo(ReadBackBuffer <T> destination, int destinationOffset, int length, int offset)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
destination.ThrowIfDeviceMismatch(GraphicsDevice);
destination.ThrowIfDisposed();
Guard.IsInRange(offset, 0, Length, nameof(offset));
Guard.IsLessThanOrEqualTo(offset + length, Length, nameof(length));
Guard.IsInRange(destinationOffset, 0, destination.Length, nameof(destinationOffset));
Guard.IsLessThanOrEqualTo(destinationOffset + length, destination.Length, nameof(length));
if (GraphicsDevice.IsCacheCoherentUMA)
{
using ID3D12ResourceMap resource = D3D12Resource->Map();
MemoryHelper.Copy(
resource.Pointer,
(uint)offset,
(uint)length,
(uint)sizeof(T),
destination.MappedData + destinationOffset);
}
else
{
ulong
byteDestinationOffset = (uint)destinationOffset * (uint)sizeof(T),
byteOffset = (uint)offset * (uint)sizeof(T),
byteLength = (uint)length * (uint)sizeof(T);
using CommandList copyCommandList = new(GraphicsDevice, D3D12_COMMAND_LIST_TYPE_COPY);
copyCommandList.D3D12GraphicsCommandList->CopyBufferRegion(destination.D3D12Resource, byteDestinationOffset, D3D12Resource, byteOffset, byteLength);
copyCommandList.ExecuteAndWaitForCompletion();
}
}
/// <summary>
/// Reads the contents of the specified range from an input <see cref="ReadBackBuffer{T}"/> instance and writes them to the current the current <see cref="StructuredBuffer{T}"/> instance.
/// </summary>
/// <param name="source">The input <see cref="UploadBuffer{T}"/> instance to read data from.</param>
/// <param name="sourceOffset">The starting offset within <paramref name="source"/> to read data from.</param>
/// <param name="length">The number of items to read.</param>
/// <param name="offset">The offset to start reading writing data to.</param>
internal unsafe void CopyFrom(UploadBuffer <T> source, int sourceOffset, int length, int offset)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
source.ThrowIfDeviceMismatch(GraphicsDevice);
source.ThrowIfDisposed();
Guard.IsInRange(offset, 0, Length, nameof(offset));
Guard.IsLessThanOrEqualTo(offset + length, Length, nameof(length));
Guard.IsInRange(sourceOffset, 0, source.Length, nameof(sourceOffset));
Guard.IsLessThanOrEqualTo(sourceOffset + length, source.Length, nameof(length));
if (GraphicsDevice.IsCacheCoherentUMA)
{
using ID3D12ResourceMap resource = D3D12Resource->Map();
MemoryHelper.Copy(
source.MappedData,
(uint)sourceOffset,
(uint)length,
(uint)sizeof(T),
(T *)resource.Pointer + offset);
}
else
{
ulong
byteSourceOffset = (uint)sourceOffset * (uint)sizeof(T),
byteOffset = (uint)offset * (uint)sizeof(T),
byteLength = (uint)length * (uint)sizeof(T);
using CommandList copyCommandList = new(GraphicsDevice, D3D12_COMMAND_LIST_TYPE_COPY);
copyCommandList.D3D12GraphicsCommandList->CopyBufferRegion(D3D12Resource, byteOffset, source.D3D12Resource, byteSourceOffset, byteLength);
copyCommandList.ExecuteAndWaitForCompletion();
}
}
protected void SetArray(int index, byte *source, int lenght)
{
if (index >= _descriptor.VariablePartCount)
{
throw new Exception("Index is out of variable parts records.");
}
InBlockArrayRecord *arrayRecords = ArrayRecords;
int delta = lenght - arrayRecords[index].Lenght;
if (delta != 0)
{
if (ChangeRangeLenght(arrayRecords[index].Offset, arrayRecords[index].Lenght, lenght))
{
arrayRecords = ArrayRecords;
}
}
arrayRecords[index].Lenght = lenght;
MemoryHelper.Copy(source, GetArray(index).Address, lenght);
for (int i = index + 1; i < _descriptor.VariablePartCount; i++)
{
arrayRecords[i].Offset += delta;
}
}
/// <inheritdoc/>
internal override unsafe void CopyTo(ref T destination, int offset, int length)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
Guard.IsBetweenOrEqualTo(length, 0, Length);
Guard.IsInRange(offset, 0, Length);
Guard.IsLessThanOrEqualTo(offset + length, Length, nameof(offset));
using ID3D12ResourceMap resource = D3D12Resource->Map();
fixed(void *destinationPointer = &destination)
{
MemoryHelper.Copy <T>(
source: resource.Pointer,
destination: destinationPointer,
sourceElementOffset: (uint)offset,
destinationElementOffset: 0,
sourceElementPitchInBytes: (uint)GetPaddedSize(),
destinationElementPitchInBytes: (uint)sizeof(T),
count: (uint)length);
}
}
/// <summary>
/// Writes the contents of a given memory area to a specified area of the current <see cref="Texture2D{T}"/> instance.
/// </summary>
/// <param name="source">The input memory area to read data from.</param>
/// <param name="size">The size of the memory area to read data from.</param>
/// <param name="x">The horizontal offset in the destination texture.</param>
/// <param name="y">The vertical offset in the destination texture.</param>
/// <param name="width">The width of the memory area to write to.</param>
/// <param name="height">The height of the memory area to write to.</param>
internal void CopyFrom(ref T source, int size, int x, int y, int width, int height)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
Guard.IsInRange(x, 0, Width, nameof(x));
Guard.IsInRange(y, 0, Height, nameof(y));
Guard.IsBetweenOrEqualTo(width, 1, Width, nameof(width));
Guard.IsBetweenOrEqualTo(height, 1, Height, nameof(height));
Guard.IsLessThanOrEqualTo(x + width, Width, nameof(x));
Guard.IsLessThanOrEqualTo(y + height, Height, nameof(y));
Guard.IsGreaterThanOrEqualTo(size, (nint)width * height, nameof(size));
GraphicsDevice.D3D12Device->GetCopyableFootprint(
DXGIFormatHelper.GetForType <T>(),
(uint)width,
(uint)height,
out D3D12_PLACED_SUBRESOURCE_FOOTPRINT d3D12PlacedSubresourceFootprintSource,
out ulong rowSizeInBytes,
out ulong totalSizeInBytes);
using UniquePtr <D3D12MA_Allocation> allocation = default;
using ComPtr <ID3D12Resource> d3D12Resource = default;
if (GraphicsDevice.IsCacheCoherentUMA)
{
*&d3D12Resource = GraphicsDevice.D3D12Device->CreateCommittedResource(ResourceType.Upload, AllocationMode.Default, totalSizeInBytes, true);
}
else
{
*&allocation = GraphicsDevice.Allocator->CreateResource(ResourceType.Upload, AllocationMode.Default, totalSizeInBytes);
*&d3D12Resource = new ComPtr <ID3D12Resource>(allocation.Get()->GetResource());
}
using (ID3D12ResourceMap resource = d3D12Resource.Get()->Map())
fixed(void *sourcePointer = &source)
{
MemoryHelper.Copy(
sourcePointer,
resource.Pointer,
(uint)height,
rowSizeInBytes,
d3D12PlacedSubresourceFootprintSource.Footprint.RowPitch);
}
using CommandList copyCommandList = new(GraphicsDevice, this.d3D12CommandListType);
if (copyCommandList.D3D12CommandListType == D3D12_COMMAND_LIST_TYPE_COMPUTE)
{
copyCommandList.D3D12GraphicsCommandList->ResourceBarrier(D3D12Resource, this.d3D12ResourceState, D3D12_RESOURCE_STATE_COPY_DEST);
}
copyCommandList.D3D12GraphicsCommandList->CopyTextureRegion(
d3D12ResourceDestination: D3D12Resource,
destinationX: (uint)x,
destinationY: (uint)y,
destinationZ: 0,
d3D12ResourceSource: d3D12Resource.Get(),
&d3D12PlacedSubresourceFootprintSource,
sourceX: 0,
sourceY: 0,
sourceZ: 0,
(uint)width,
(uint)height,
depth: 1);
if (copyCommandList.D3D12CommandListType == D3D12_COMMAND_LIST_TYPE_COMPUTE)
{
copyCommandList.D3D12GraphicsCommandList->ResourceBarrier(D3D12Resource, D3D12_RESOURCE_STATE_COPY_DEST, this.d3D12ResourceState);
}
copyCommandList.ExecuteAndWaitForCompletion();
}
/// <summary>
/// Reads the contents of the specified range from the current <see cref="Texture2D{T}"/> instance and writes them into a target memory area.
/// </summary>
/// <param name="destination">The target memory area to write data to.</param>
/// <param name="size">The size of the target memory area to write data to.</param>
/// <param name="sourceOffsetX">The horizontal offset in the source texture.</param>
/// <param name="sourceOffsetY">The vertical offset in the source texture.</param>
/// <param name="width">The width of the memory area to copy.</param>
/// <param name="height">The height of the memory area to copy.</param>
internal void CopyTo(ref T destination, int size, int sourceOffsetX, int sourceOffsetY, int width, int height)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
Guard.IsInRange(sourceOffsetX, 0, Width, nameof(sourceOffsetX));
Guard.IsInRange(sourceOffsetY, 0, Height, nameof(sourceOffsetY));
Guard.IsBetweenOrEqualTo(width, 1, Width, nameof(width));
Guard.IsBetweenOrEqualTo(height, 1, Height, nameof(height));
Guard.IsLessThanOrEqualTo(sourceOffsetX + width, Width, nameof(sourceOffsetX));
Guard.IsLessThanOrEqualTo(sourceOffsetY + height, Height, nameof(sourceOffsetY));
Guard.IsGreaterThanOrEqualTo(size, (nint)width * height, nameof(size));
GraphicsDevice.D3D12Device->GetCopyableFootprint(
DXGIFormatHelper.GetForType <T>(),
(uint)width,
(uint)height,
out D3D12_PLACED_SUBRESOURCE_FOOTPRINT d3D12PlacedSubresourceFootprintDestination,
out ulong rowSizeInBytes,
out ulong totalSizeInBytes);
#if NET6_0_OR_GREATER
using ComPtr <D3D12MA_Allocation> allocation = GraphicsDevice.Allocator->CreateResource(
GraphicsDevice.Pool,
ResourceType.ReadBack,
AllocationMode.Default,
totalSizeInBytes);
using ComPtr <ID3D12Resource> d3D12Resource = new(allocation.Get()->GetResource());
#else
using ComPtr <ID3D12Resource> d3D12Resource = GraphicsDevice.D3D12Device->CreateCommittedResource(
ResourceType.ReadBack,
totalSizeInBytes,
GraphicsDevice.IsCacheCoherentUMA);
#endif
using (CommandList copyCommandList = new(GraphicsDevice, this.d3D12CommandListType))
{
if (copyCommandList.D3D12CommandListType == D3D12_COMMAND_LIST_TYPE_COMPUTE)
{
copyCommandList.D3D12GraphicsCommandList->TransitionBarrier(D3D12Resource, this.d3D12ResourceState, D3D12_RESOURCE_STATE_COPY_SOURCE);
}
copyCommandList.D3D12GraphicsCommandList->CopyTextureRegion(
d3D12ResourceDestination: d3D12Resource.Get(),
&d3D12PlacedSubresourceFootprintDestination,
destinationX: 0,
destinationY: 0,
destinationZ: 0,
d3D12ResourceSource: D3D12Resource,
sourceX: (uint)sourceOffsetX,
sourceY: (uint)sourceOffsetY,
sourceZ: 0,
(uint)width,
(uint)height,
depth: 1);
if (copyCommandList.D3D12CommandListType == D3D12_COMMAND_LIST_TYPE_COMPUTE)
{
copyCommandList.D3D12GraphicsCommandList->TransitionBarrier(D3D12Resource, D3D12_RESOURCE_STATE_COPY_SOURCE, this.d3D12ResourceState);
}
copyCommandList.ExecuteAndWaitForCompletion();
}
using ID3D12ResourceMap resource = d3D12Resource.Get()->Map();
fixed(void *destinationPointer = &destination)
{
MemoryHelper.Copy(
resource.Pointer,
(uint)height,
rowSizeInBytes,
d3D12PlacedSubresourceFootprintDestination.Footprint.RowPitch,
destinationPointer);
}
}
/// <inheritdoc/>
internal override unsafe void CopyTo(ref T destination, int sourceOffset, int count)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
Guard.IsBetweenOrEqualTo(count, 0, Length);
Guard.IsInRange(sourceOffset, 0, Length);
Guard.IsLessThanOrEqualTo(sourceOffset + count, Length, nameof(sourceOffset));
if (GraphicsDevice.IsCacheCoherentUMA)
{
using ID3D12ResourceMap resource = D3D12Resource->Map();
fixed(void *destinationPointer = &destination)
{
MemoryHelper.Copy <T>(
source: resource.Pointer,
destination: destinationPointer,
sourceElementOffset: (uint)sourceOffset,
destinationElementOffset: 0,
sourceElementPitchInBytes: (uint)sizeof(T),
destinationElementPitchInBytes: (uint)sizeof(T),
count: (uint)count);
}
}
else
{
nint byteOffset = (nint)sourceOffset * sizeof(T);
nint byteLength = count * sizeof(T);
#if NET6_0_OR_GREATER
using ComPtr <D3D12MA_Allocation> allocation = GraphicsDevice.Allocator->CreateResource(null, ResourceType.ReadBack, AllocationMode.Default, (ulong)byteLength);
#else
using ComPtr <ID3D12Resource> d3D12Resource = GraphicsDevice.D3D12Device->CreateCommittedResource(
ResourceType.ReadBack,
(ulong)byteLength,
GraphicsDevice.IsCacheCoherentUMA);
#endif
using (CommandList copyCommandList = new(GraphicsDevice, D3D12_COMMAND_LIST_TYPE_COPY))
{
#if NET6_0_OR_GREATER
copyCommandList.D3D12GraphicsCommandList->CopyBufferRegion(allocation.Get()->GetResource(), 0, D3D12Resource, (ulong)byteOffset, (ulong)byteLength);
#else
copyCommandList.D3D12GraphicsCommandList->CopyBufferRegion(d3D12Resource.Get(), 0, D3D12Resource, (ulong)byteOffset, (ulong)byteLength);
#endif
copyCommandList.ExecuteAndWaitForCompletion();
}
#if NET6_0_OR_GREATER
using ID3D12ResourceMap resource = allocation.Get()->GetResource()->Map();
#else
using ID3D12ResourceMap resource = d3D12Resource.Get()->Map();
#endif
fixed(void *destinationPointer = &destination)
{
MemoryHelper.Copy <T>(
source: resource.Pointer,
destination: destinationPointer,
sourceElementOffset: 0,
destinationElementOffset: 0,
sourceElementPitchInBytes: (uint)sizeof(T),
destinationElementPitchInBytes: (uint)sizeof(T),
count: (uint)count);
}
}
}
private bool ParseMeshData(Assimp.Scene scene)
{
if (!scene.HasMeshes)
{
return(false);
}
Assimp.Mesh[] meshes = scene.Meshes;
if (meshes.Length == 0)
{
return(false);
}
m_meshData = new MeshData[meshes.Length];
m_meshMatInfo = new MeshMaterialInfo[meshes.Length];
for (int i = 0; i < meshes.Length; i++)
{
Assimp.Mesh mesh = meshes[i];
MeshData md = new MeshData();
MeshMaterialInfo info = new MeshMaterialInfo();
if (mesh.HasVertices)
{
Assimp.Vector3D[] assimpPos = mesh.Vertices;
DataBuffer <Vector3> positions = new DataBuffer <Vector3>(assimpPos.Length);
MemoryHelper.Copy(assimpPos, positions.Buffer, Vector3.SizeInBytes * assimpPos.Length);
md.Positions = positions;
}
if (mesh.HasNormals)
{
Assimp.Vector3D[] assimpNorms = mesh.Normals;
DataBuffer <Vector3> normals = new DataBuffer <Vector3>(assimpNorms.Length);
MemoryHelper.Copy(assimpNorms, normals.Buffer, Vector3.SizeInBytes * assimpNorms.Length);
md.Normals = normals;
info.HasNormals = true;
}
if (mesh.HasTangentBasis)
{
Assimp.Vector3D[] assimpTangs = mesh.Tangents;
Assimp.Vector3D[] assimpBitangs = mesh.BiTangents;
DataBuffer <Vector3> tangents = new DataBuffer <Vector3>(assimpTangs.Length);
DataBuffer <Vector3> bitangents = new DataBuffer <Vector3>(assimpBitangs.Length);
MemoryHelper.Copy(assimpTangs, tangents.Buffer, Vector3.SizeInBytes * assimpTangs.Length);
MemoryHelper.Copy(assimpBitangs, bitangents.Buffer, Vector3.SizeInBytes * assimpBitangs.Length);
md.Tangents = tangents;
md.Binormals = bitangents;
info.HasTangentBasis = true;
}
if (mesh.HasVertexColors(0))
{
Assimp.Color4D[] assimpColors = mesh.GetVertexColors(0);
md.Colors = new DataBuffer <Color>(ConvertColors(assimpColors));
info.HasVertexColors = true;
}
if (mesh.HasTextureCoords(0))
{
Assimp.Vector3D[] assimpUV = mesh.GetTextureCoords(0);
md.TextureCoordinates = new DataBuffer <Vector2>(ConvertVectors(assimpUV));
info.HasTexCoords = true;
}
md.Indices = new DataBuffer <int>(mesh.GetIntIndices());
md.Reconstruct();
m_meshMatInfo[i] = info;
m_meshData[i] = md;
}
ParseMaterials(scene);
return(true);
}
