public void Allocate_ReadBackTexture3D_Copy_Range(Device device, int x, int y, int z, int width, int height, int depth)
{
int[,,] source = new int[16, 256, 256];
for (int i = 0; i < 16; i++)
{
for (int j = 0; j < 256; j++)
{
new Random(i * 5381 + j).NextBytes(source.AsSpan2D(i).GetRowSpan(j).AsBytes());
}
}
using ReadOnlyTexture3D <int> readOnlyTexture3D = device.Get().AllocateReadOnlyTexture3D(source);
using ReadBackTexture3D <int> readBackTexture3D = device.Get().AllocateReadBackTexture3D <int>(256, 256, 16);
readOnlyTexture3D.CopyTo(readBackTexture3D, x, y, z, width, height, depth);
for (int i = 0; i < depth; i++)
{
for (int j = 0; j < height; j++)
{
Span <int> sourceRow = source.AsSpan2D(i + z).GetRowSpan(j + y).Slice(x, width);
Span <int> destinationRow = readBackTexture3D.View.GetRowSpan(j, i).Slice(0, width);
Assert.IsTrue(sourceRow.SequenceEqual(destinationRow));
}
}
}
public void Allocate_ReadBackTexture3D_Copy_Full(Device device)
{
int[,,] source = new int[16, 256, 256];
for (int i = 0; i < 16; i++)
{
for (int j = 0; j < 256; j++)
{
new Random(i * 5381 + j).NextBytes(source.AsSpan2D(i).GetRowSpan(j).AsBytes());
}
}
using ReadOnlyTexture3D <int> readOnlyTexture3D = device.Get().AllocateReadOnlyTexture3D(source);
using ReadBackTexture3D <int> readBackTexture3D = device.Get().AllocateReadBackTexture3D <int>(256, 256, 16);
readOnlyTexture3D.CopyTo(readBackTexture3D);
Assert.AreEqual(readBackTexture3D.Width, 256);
Assert.AreEqual(readBackTexture3D.Height, 256);
Assert.AreEqual(readBackTexture3D.Depth, 16);
for (int i = 0; i < readBackTexture3D.Depth; i++)
{
for (int j = 0; j < readBackTexture3D.Height; j++)
{
Span <int> sourceRow = source.AsSpan2D(i).GetRowSpan(j);
Span <int> destinationRow = readBackTexture3D.View.GetRowSpan(j, i);
Assert.IsTrue(sourceRow.SequenceEqual(destinationRow));
}
}
}
public unsafe void Allocate_ReadBackTexture3D_Copy_Range(Device device, int x, int y, int z, int width, int height, int depth)
{
int[,,] source = new int[16, 256, 256];
fixed(int *p = source)
{
new Random(42).NextBytes(new Span <int>(p, source.Length).AsBytes());
}
using ReadOnlyTexture3D <int> readOnlyTexture3D = device.Get().AllocateReadOnlyTexture3D(source);
using ReadBackTexture3D <int> readBackTexture3D = device.Get().AllocateReadBackTexture3D <int>(256, 256, 16);
readOnlyTexture3D.CopyTo(readBackTexture3D, x, y, z, width, height, depth);
fixed(int *p = source)
{
for (int i = 0; i < depth; i++)
{
for (int j = 0; j < height; j++)
{
Span <int> sourceRow = new Span <int>(Unsafe.AsPointer(ref source[i + z, j + y, 0]), source.GetLength(2)).Slice(x, width);
Span <int> destinationRow = readBackTexture3D.View.GetRowSpan(j, i).Slice(0, width);
Assert.IsTrue(sourceRow.SequenceEqual(destinationRow));
}
}
}
}
public unsafe void Allocate_ReadBackTexture3D_Copy_Full(Device device)
{
int[,,] source = new int[16, 256, 256];
fixed(int *p = source)
{
new Random(42).NextBytes(new Span <int>(p, source.Length).AsBytes());
}
using ReadOnlyTexture3D <int> readOnlyTexture3D = device.Get().AllocateReadOnlyTexture3D(source);
using ReadBackTexture3D <int> readBackTexture3D = device.Get().AllocateReadBackTexture3D <int>(256, 256, 16);
readOnlyTexture3D.CopyTo(readBackTexture3D);
Assert.AreEqual(readBackTexture3D.Width, 256);
Assert.AreEqual(readBackTexture3D.Height, 256);
Assert.AreEqual(readBackTexture3D.Depth, 16);
fixed(int *p = source)
{
for (int i = 0; i < readBackTexture3D.Depth; i++)
{
for (int j = 0; j < readBackTexture3D.Height; j++)
{
Span <int> sourceRow = new(Unsafe.AsPointer(ref source[i, j, 0]), source.GetLength(2));
Span <int> destinationRow = readBackTexture3D.View.GetRowSpan(j, i);
Assert.IsTrue(sourceRow.SequenceEqual(destinationRow));
}
}
}
}
/// <summary>
/// Reads the contents of the specified range from the current <see cref="Texture3D{T}"/> instance and writes them into a <see cref="ReadBackTexture3D{T}"/> instance.
/// </summary>
/// <param name="destination">The target <see cref="ReadBackTexture3D{T}"/> instance to write data to.</param>
/// <param name="destinationX">The horizontal offset within <paramref name="destination"/>.</param>
/// <param name="destinationY">The vertical offset within <paramref name="destination"/>.</param>
/// <param name="destinationZ">The depthwise offset within <paramref name="destination"/>.</param>
/// <param name="sourceX">The horizontal offset in the source texture.</param>
/// <param name="sourceY">The vertical offset in the source texture.</param>
/// <param name="sourceZ">The depthwise 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>
/// <param name="depth">The depth of the memory area to copy.</param>
internal void CopyTo(ReadBackTexture3D <T> destination, int destinationX, int destinationY, int destinationZ, int sourceX, int sourceY, int sourceZ, int width, int height, int depth)
{
GraphicsDevice.ThrowIfDisposed();
ThrowIfDisposed();
destination.ThrowIfDeviceMismatch(GraphicsDevice);
destination.ThrowIfDisposed();
Guard.IsInRange(destinationX, 0, destination.Width, nameof(destinationX));
Guard.IsInRange(destinationY, 0, destination.Height, nameof(destinationY));
Guard.IsInRange(destinationZ, 0, destination.Depth, nameof(destinationZ));
Guard.IsInRange(sourceX, 0, Width, nameof(sourceX));
Guard.IsInRange(sourceY, 0, Height, nameof(sourceY));
Guard.IsInRange(sourceZ, 0, Depth, nameof(sourceZ));
Guard.IsBetweenOrEqualTo(width, 1, Width, nameof(width));
Guard.IsBetweenOrEqualTo(height, 1, Height, nameof(height));
Guard.IsBetweenOrEqualTo(depth, 1, Depth, nameof(depth));
Guard.IsBetweenOrEqualTo(width, 1, destination.Width, nameof(width));
Guard.IsBetweenOrEqualTo(height, 1, destination.Height, nameof(height));
Guard.IsBetweenOrEqualTo(depth, 1, destination.Depth, nameof(depth));
Guard.IsBetweenOrEqualTo(destinationX + width, 1, destination.Width, nameof(destinationX));
Guard.IsBetweenOrEqualTo(destinationY + height, 1, destination.Height, nameof(destinationY));
Guard.IsBetweenOrEqualTo(destinationZ + depth, 1, destination.Depth, nameof(destinationZ));
Guard.IsLessThanOrEqualTo(sourceX + width, Width, nameof(sourceX));
Guard.IsLessThanOrEqualTo(sourceY + height, Height, nameof(sourceY));
Guard.IsLessThanOrEqualTo(sourceZ + depth, Depth, nameof(sourceZ));
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_SOURCE);
}
fixed(D3D12_PLACED_SUBRESOURCE_FOOTPRINT *d3D12PlacedSubresourceFootprintDestination = &destination.D3D12PlacedSubresourceFootprint)
{
copyCommandList.D3D12GraphicsCommandList->CopyTextureRegion(
d3D12ResourceDestination: destination.D3D12Resource,
d3D12PlacedSubresourceFootprintDestination,
(uint)destinationX,
(uint)destinationY,
(ushort)destinationZ,
d3D12ResourceSource: D3D12Resource,
(uint)sourceX,
(uint)sourceY,
(ushort)sourceZ,
(uint)width,
(uint)height,
(ushort)depth);
}
if (copyCommandList.D3D12CommandListType == D3D12_COMMAND_LIST_TYPE_COMPUTE)
{
copyCommandList.D3D12GraphicsCommandList->ResourceBarrier(D3D12Resource, D3D12_RESOURCE_STATE_COPY_SOURCE, this.d3D12ResourceState);
}
copyCommandList.ExecuteAndWaitForCompletion();
}
/// <summary>
/// Reads the contents of a <see cref="Texture3D{T}"/> instance and writes them into a target <see cref="ReadBackTexture3D{T}"/> instance.
/// </summary>
/// <typeparam name="T">The type of items stored on the texture.</typeparam>
/// <param name="source">The input <see cref="Texture3D{T}"/> instance to read data from.</param>
/// <param name="destination">The target <see cref="ReadBackTexture3D{T}"/> instance 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="sourceOffsetZ">The depthwise offset in the source texture.</param>
/// <param name="destinationOffsetX">The horizontal offset in the destination texture.</param>
/// <param name="destinationOffsetY">The vertical offset in the destination texture.</param>
/// <param name="destinationOffsetZ">The depthwise offset in the destination 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>
/// <param name="depth">The depth of the memory area to copy.</param>
public static void CopyTo <T>(this Texture3D <T> source, ReadBackTexture3D <T> destination, int sourceOffsetX, int sourceOffsetY, int sourceOffsetZ, int destinationOffsetX, int destinationOffsetY, int destinationOffsetZ, int width, int height, int depth)
where T : unmanaged
{
Guard.IsNotNull(source);
Guard.IsNotNull(destination);
source.CopyTo(destination, sourceOffsetX, sourceOffsetY, sourceOffsetZ, destinationOffsetX, destinationOffsetY, destinationOffsetZ, width, height, depth);
}
/// <summary>
/// Reads the contents of a <see cref="Texture3D{T}"/> instance and writes them into a target <see cref="ReadBackTexture3D{T}"/> instance.
/// </summary>
/// <typeparam name="T">The type of items stored on the texture.</typeparam>
/// <param name="source">The input <see cref="Texture3D{T}"/> instance to read data from.</param>
/// <param name="destination">The target <see cref="ReadBackTexture3D{T}"/> instance to write data to.</param>
public static void CopyTo <T>(this Texture3D <T> source, ReadBackTexture3D <T> destination)
where T : unmanaged
{
Guard.IsNotNull(source);
Guard.IsNotNull(destination);
source.CopyTo(destination, 0, 0, 0, 0, 0, 0, source.Width, source.Height, source.Depth);
}
/// <summary>
/// Reads the contents of a <see cref="Texture3D{T}"/> instance and writes them into a target <see cref="ReadBackTexture3D{T}"/> instance.
/// </summary>
/// <typeparam name="T">The type of items stored on the texture.</typeparam>
/// <param name="destination">The target <see cref="ReadBackTexture3D{T}"/> instance to write data to.</param>
/// <param name="source">The input <see cref="Texture3D{T}"/> instance to read data from.</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="sourceOffsetZ">The depthwise offset in the source texture.</param>
/// <param name="destinationOffsetX">The horizontal offset in the destination texture.</param>
/// <param name="destinationOffsetY">The vertical offset in the destination texture.</param>
/// <param name="destinationOffsetZ">The depthwise offset in the destination 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>
/// <param name="depth">The depth of the memory area to copy.</param>
public static void CopyFrom <T>(this ReadBackTexture3D <T> destination, Texture3D <T> source, int sourceOffsetX, int sourceOffsetY, int sourceOffsetZ, int destinationOffsetX, int destinationOffsetY, int destinationOffsetZ, int width, int height, int depth)
where T : unmanaged
{
source.CopyTo(destination, sourceOffsetX, sourceOffsetY, sourceOffsetZ, destinationOffsetX, destinationOffsetY, destinationOffsetZ, width, height, depth);
}
/// <summary>
/// Reads the contents of a <see cref="Texture3D{T}"/> instance and writes them into a target <see cref="ReadBackTexture3D{T}"/> instance.
/// </summary>
/// <typeparam name="T">The type of items stored on the texture.</typeparam>
/// <param name="destination">The target <see cref="ReadBackTexture3D{T}"/> instance to write data to.</param>
/// <param name="source">The input <see cref="Texture3D{T}"/> instance to read data from.</param>
public static void CopyFrom <T>(this ReadBackTexture3D <T> destination, Texture3D <T> source)
where T : unmanaged
{
source.CopyTo(destination, 0, 0, 0, 0, 0, 0, source.Width, source.Height, source.Depth);
}
