public void Allocate_UploadTexture3D_Copy_Full(Device device)
{
using UploadTexture3D <int> uploadTexture3D = device.Get().AllocateUploadTexture3D <int>(256, 256, 16);
for (int i = 0; i < uploadTexture3D.Depth; i++)
{
for (int j = 0; j < uploadTexture3D.Height; j++)
{
new Random(i * 5381 + j).NextBytes(uploadTexture3D.View.GetRowSpan(j, i).AsBytes());
}
}
using ReadOnlyTexture3D <int> readOnlyTexture3D = device.Get().AllocateReadOnlyTexture3D <int>(uploadTexture3D.Width, uploadTexture3D.Height, uploadTexture3D.Depth);
uploadTexture3D.CopyTo(readOnlyTexture3D);
int[,,] result = readOnlyTexture3D.ToArray();
Assert.AreEqual(uploadTexture3D.Width, result.GetLength(2));
Assert.AreEqual(uploadTexture3D.Height, result.GetLength(1));
Assert.AreEqual(uploadTexture3D.Depth, result.GetLength(0));
for (int i = 0; i < uploadTexture3D.Depth; i++)
{
for (int j = 0; j < uploadTexture3D.Height; j++)
{
Span <int> sourceRow = uploadTexture3D.View.GetRowSpan(j, i);
Span <int> destinationRow = result.AsSpan2D(i).GetRowSpan(j);
Assert.IsTrue(sourceRow.SequenceEqual(destinationRow));
}
}
}
public void Allocate_UploadTexture3D_Copy_Range(Device device, int x, int y, int z, int width, int height, int depth)
{
using UploadTexture3D <int> uploadTexture3D = device.Get().AllocateUploadTexture3D <int>(256, 256, 16);
for (int i = 0; i < uploadTexture3D.Depth; i++)
{
for (int j = 0; j < uploadTexture3D.Height; j++)
{
new Random(i * 5381 + j).NextBytes(uploadTexture3D.View.GetRowSpan(j, i).AsBytes());
}
}
using ReadOnlyTexture3D <int> readOnlyTexture3D = device.Get().AllocateReadOnlyTexture3D <int>(uploadTexture3D.Width, uploadTexture3D.Height, uploadTexture3D.Depth);
uploadTexture3D.CopyTo(readOnlyTexture3D, x, y, z, width, height, depth);
int[,,] result = readOnlyTexture3D.ToArray();
for (int i = 0; i < depth; i++)
{
for (int j = 0; j < height; j++)
{
Span <int> sourceRow = uploadTexture3D.View.GetRowSpan(j + y, i + z).Slice(x, width);
Span <int> destinationRow = result.AsSpan2D(i).GetRowSpan(j).Slice(0, width);
Assert.IsTrue(sourceRow.SequenceEqual(destinationRow));
}
}
}
