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New NVDEC and VIC implementation (#1384)

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* Initial NVDEC and VIC implementation

* Update FFmpeg.AutoGen to 4.3.0

* Add nvdec dependencies for Windows

* Unify some VP9 structures

* Rename VP9 structure fields

* Improvements to Video API

* XML docs for Common.Memory

* Remove now unused or redundant overloads from MemoryAccessor

* NVDEC UV surface read/write scalar paths

* Add FIXME comments about hacky things/stuff that will need to be fixed in the future

* Cleaned up VP9 memory allocation

* Remove some debug logs

* Rename some VP9 structs

* Remove unused struct

* No need to compile Ryujinx.Graphics.Host1x with unsafe anymore

* Name AsyncWorkQueue threads to make debugging easier

* Make Vp9PictureInfo a ref struct

* LayoutConverter no longer needs the depth argument (broken by rebase)

* Pooling of VP9 buffers, plus fix a memory leak on VP9

* Really wish VS could rename projects properly...

* Address feedback

* Remove using

* Catch OperationCanceledException

* Add licensing informations

* Add THIRDPARTY.md to release too

Co-authored-by: Thog <me@thog.eu>
This commit is contained in:
gdkchan 2020-07-12 00:07:01 -03:00 • committed by GitHub
parent 38b26cf424
commit 4d02a2d2c0
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202 changed files with 20563 additions and 2567 deletions
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123
Ryujinx.Common/Memory/ArrayPtr.cs Normal file
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using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Common.Memory
{
/// <summary>
/// Represents an array of unmanaged resources.
/// </summary>
/// <typeparam name="T">Array element type</typeparam>
public unsafe struct ArrayPtr<T> : IEquatable<ArrayPtr<T>>, IArray<T> where T : unmanaged
{
private IntPtr _ptr;
/// <summary>
/// Null pointer.
/// </summary>
public static ArrayPtr<T> Null => new ArrayPtr<T>() { _ptr = IntPtr.Zero };
/// <summary>
/// True if the pointer is null, false otherwise.
/// </summary>
public bool IsNull => _ptr == IntPtr.Zero;
/// <summary>
/// Number of elements on the array.
/// </summary>
public int Length { get; }
/// <summary>
/// Gets a reference to the item at the given index.
/// </summary>
/// <remarks>
/// No bounds checks are performed, this allows negative indexing,
/// but care must be taken if the index may be out of bounds.
/// </remarks>
/// <param name="index">Index of the element</param>
/// <returns>Reference to the element at the given index</returns>
public ref T this[int index] => ref Unsafe.AsRef<T>((T*)_ptr + index);
/// <summary>
/// Creates a new array from a given reference.
/// </summary>
/// <remarks>
/// For data on the heap, proper pinning is necessary during
/// use. Failure to do so will result in memory corruption and crashes.
/// </remarks>
/// <param name="value">Reference of the first array element</param>
/// <param name="length">Number of elements on the array</param>
public ArrayPtr(ref T value, int length)
{
_ptr = (IntPtr)Unsafe.AsPointer(ref value);
Length = length;
}
/// <summary>
/// Creates a new array from a given pointer.
/// </summary>
/// <param name="ptr">Array base pointer</param>
/// <param name="length">Number of elements on the array</param>
public ArrayPtr(T* ptr, int length)
{
_ptr = (IntPtr)ptr;
Length = length;
}
/// <summary>
/// Creates a new array from a given pointer.
/// </summary>
/// <param name="ptr">Array base pointer</param>
/// <param name="length">Number of elements on the array</param>
public ArrayPtr(IntPtr ptr, int length)
{
_ptr = ptr;
Length = length;
}
/// <summary>
/// Splits the array starting at the specified position.
/// </summary>
/// <param name="start">Index where the new array should start</param>
/// <returns>New array starting at the specified position</returns>
public ArrayPtr<T> Slice(int start) => new ArrayPtr<T>(ref this[start], Length - start);
/// <summary>
/// Gets a span from the array.
/// </summary>
/// <returns>Span of the array</returns>
public Span<T> ToSpan() => Length == 0 ? Span<T>.Empty : MemoryMarshal.CreateSpan(ref this[0], Length);
/// <summary>
/// Gets the array base pointer.
/// </summary>
/// <returns>Base pointer</returns>
public T* ToPointer() => (T*)_ptr;
public override bool Equals(object obj)
{
return obj is ArrayPtr<T> other && Equals(other);
}
public bool Equals([AllowNull] ArrayPtr<T> other)
{
return _ptr == other._ptr && Length == other.Length;
}
public override int GetHashCode()
{
return HashCode.Combine(_ptr, Length);
}
public static bool operator ==(ArrayPtr<T> left, ArrayPtr<T> right)
{
return left.Equals(right);
}
public static bool operator !=(ArrayPtr<T> left, ArrayPtr<T> right)
{
return !(left == right);
}
}
}

21
Ryujinx.Common/Memory/IArray.cs Normal file
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namespace Ryujinx.Common.Memory
{
/// <summary>
/// Array interface.
/// </summary>
/// <typeparam name="T">Element type</typeparam>
public interface IArray<T> where T : unmanaged
{
/// <summary>
/// Used to index the array.
/// </summary>
/// <param name="index">Element index</param>
/// <returns>Element at the specified index</returns>
ref T this[int index] { get; }
/// <summary>
/// Number of elements on the array.
/// </summary>
int Length { get; }
}
}

68
Ryujinx.Common/Memory/Ptr.cs Normal file
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using System;
using System.Diagnostics.CodeAnalysis;
using System.Runtime.CompilerServices;
namespace Ryujinx.Common.Memory
{
/// <summary>
/// Represents a pointer to an unmanaged resource.
/// </summary>
/// <typeparam name="T">Type of the unmanaged resource</typeparam>
public unsafe struct Ptr<T> : IEquatable<Ptr<T>> where T : unmanaged
{
private IntPtr _ptr;
/// <summary>
/// Null pointer.
/// </summary>
public static Ptr<T> Null => new Ptr<T>() { _ptr = IntPtr.Zero };
/// <summary>
/// True if the pointer is null, false otherwise.
/// </summary>
public bool IsNull => _ptr == IntPtr.Zero;
/// <summary>
/// Gets a reference to the value.
/// </summary>
public ref T Value => ref Unsafe.AsRef<T>((void*)_ptr);
/// <summary>
/// Creates a new pointer to an unmanaged resource.
/// </summary>
/// <remarks>
/// For data on the heap, proper pinning is necessary during
/// use. Failure to do so will result in memory corruption and crashes.
/// </remarks>
/// <param name="value">Reference to the unmanaged resource</param>
public Ptr(ref T value)
{
_ptr = (IntPtr)Unsafe.AsPointer(ref value);
}
public override bool Equals(object obj)
{
return obj is Ptr<T> other && Equals(other);
}
public bool Equals([AllowNull] Ptr<T> other)
{
return _ptr == other._ptr;
}
public override int GetHashCode()
{
return _ptr.GetHashCode();
}
public static bool operator ==(Ptr<T> left, Ptr<T> right)
{
return left.Equals(right);
}
public static bool operator !=(Ptr<T> left, Ptr<T> right)
{
return !(left == right);
}
}
}

518
Ryujinx.Common/Memory/StructArrayHelpers.cs Normal file
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using System;
using System.Runtime.InteropServices;
namespace Ryujinx.Common.Memory
{
public struct Array1<T> : IArray<T> where T : unmanaged
{
T _e0;
public int Length => 1;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 1);
}
public struct Array2<T> : IArray<T> where T : unmanaged
{
T _e0;
Array1<T> _other;
public int Length => 2;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 2);
}
public struct Array3<T> : IArray<T> where T : unmanaged
{
T _e0;
Array2<T> _other;
public int Length => 3;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 3);
}
public struct Array4<T> : IArray<T> where T : unmanaged
{
T _e0;
Array3<T> _other;
public int Length => 4;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 4);
}
public struct Array5<T> : IArray<T> where T : unmanaged
{
T _e0;
Array4<T> _other;
public int Length => 5;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 5);
}
public struct Array6<T> : IArray<T> where T : unmanaged
{
T _e0;
Array5<T> _other;
public int Length => 6;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 6);
}
public struct Array7<T> : IArray<T> where T : unmanaged
{
T _e0;
Array6<T> _other;
public int Length => 7;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 7);
}
public struct Array8<T> : IArray<T> where T : unmanaged
{
T _e0;
Array7<T> _other;
public int Length => 8;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 8);
}
public struct Array9<T> : IArray<T> where T : unmanaged
{
T _e0;
Array8<T> _other;
public int Length => 9;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 9);
}
public struct Array10<T> : IArray<T> where T : unmanaged
{
T _e0;
Array9<T> _other;
public int Length => 10;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 10);
}
public struct Array11<T> : IArray<T> where T : unmanaged
{
T _e0;
Array10<T> _other;
public int Length => 11;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 11);
}
public struct Array12<T> : IArray<T> where T : unmanaged
{
T _e0;
Array11<T> _other;
public int Length => 12;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 12);
}
public struct Array13<T> : IArray<T> where T : unmanaged
{
T _e0;
Array12<T> _other;
public int Length => 13;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 13);
}
public struct Array14<T> : IArray<T> where T : unmanaged
{
T _e0;
Array13<T> _other;
public int Length => 14;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 14);
}
public struct Array15<T> : IArray<T> where T : unmanaged
{
T _e0;
Array14<T> _other;
public int Length => 15;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 15);
}
public struct Array16<T> : IArray<T> where T : unmanaged
{
T _e0;
Array15<T> _other;
public int Length => 16;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 16);
}
public struct Array17<T> : IArray<T> where T : unmanaged
{
T _e0;
Array16<T> _other;
public int Length => 17;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 17);
}
public struct Array18<T> : IArray<T> where T : unmanaged
{
T _e0;
Array17<T> _other;
public int Length => 18;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 18);
}
public struct Array19<T> : IArray<T> where T : unmanaged
{
T _e0;
Array18<T> _other;
public int Length => 19;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 19);
}
public struct Array20<T> : IArray<T> where T : unmanaged
{
T _e0;
Array19<T> _other;
public int Length => 20;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 20);
}
public struct Array21<T> : IArray<T> where T : unmanaged
{
T _e0;
Array20<T> _other;
public int Length => 21;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 21);
}
public struct Array22<T> : IArray<T> where T : unmanaged
{
T _e0;
Array21<T> _other;
public int Length => 22;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 22);
}
public struct Array23<T> : IArray<T> where T : unmanaged
{
T _e0;
Array22<T> _other;
public int Length => 23;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 23);
}
public struct Array24<T> : IArray<T> where T : unmanaged
{
T _e0;
Array23<T> _other;
public int Length => 24;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 24);
}
public struct Array25<T> : IArray<T> where T : unmanaged
{
T _e0;
Array24<T> _other;
public int Length => 25;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 25);
}
public struct Array26<T> : IArray<T> where T : unmanaged
{
T _e0;
Array25<T> _other;
public int Length => 26;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 26);
}
public struct Array27<T> : IArray<T> where T : unmanaged
{
T _e0;
Array26<T> _other;
public int Length => 27;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 27);
}
public struct Array28<T> : IArray<T> where T : unmanaged
{
T _e0;
Array27<T> _other;
public int Length => 28;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 28);
}
public struct Array29<T> : IArray<T> where T : unmanaged
{
T _e0;
Array28<T> _other;
public int Length => 29;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 29);
}
public struct Array30<T> : IArray<T> where T : unmanaged
{
T _e0;
Array29<T> _other;
public int Length => 30;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 30);
}
public struct Array31<T> : IArray<T> where T : unmanaged
{
T _e0;
Array30<T> _other;
public int Length => 31;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 31);
}
public struct Array32<T> : IArray<T> where T : unmanaged
{
T _e0;
Array31<T> _other;
public int Length => 32;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 32);
}
public struct Array33<T> : IArray<T> where T : unmanaged
{
T _e0;
Array32<T> _other;
public int Length => 33;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 33);
}
public struct Array34<T> : IArray<T> where T : unmanaged
{
T _e0;
Array33<T> _other;
public int Length => 34;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 34);
}
public struct Array35<T> : IArray<T> where T : unmanaged
{
T _e0;
Array34<T> _other;
public int Length => 35;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 35);
}
public struct Array36<T> : IArray<T> where T : unmanaged
{
T _e0;
Array35<T> _other;
public int Length => 36;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 36);
}
public struct Array37<T> : IArray<T> where T : unmanaged
{
T _e0;
Array36<T> _other;
public int Length => 37;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 37);
}
public struct Array38<T> : IArray<T> where T : unmanaged
{
T _e0;
Array37<T> _other;
public int Length => 38;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 38);
}
public struct Array39<T> : IArray<T> where T : unmanaged
{
T _e0;
Array38<T> _other;
public int Length => 39;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 39);
}
public struct Array40<T> : IArray<T> where T : unmanaged
{
T _e0;
Array39<T> _other;
public int Length => 40;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 40);
}
public struct Array41<T> : IArray<T> where T : unmanaged
{
T _e0;
Array40<T> _other;
public int Length => 41;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 41);
}
public struct Array42<T> : IArray<T> where T : unmanaged
{
T _e0;
Array41<T> _other;
public int Length => 42;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 42);
}
public struct Array43<T> : IArray<T> where T : unmanaged
{
T _e0;
Array42<T> _other;
public int Length => 43;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 43);
}
public struct Array44<T> : IArray<T> where T : unmanaged
{
T _e0;
Array43<T> _other;
public int Length => 44;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 44);
}
public struct Array45<T> : IArray<T> where T : unmanaged
{
T _e0;
Array44<T> _other;
public int Length => 45;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 45);
}
public struct Array46<T> : IArray<T> where T : unmanaged
{
T _e0;
Array45<T> _other;
public int Length => 46;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 46);
}
public struct Array47<T> : IArray<T> where T : unmanaged
{
T _e0;
Array46<T> _other;
public int Length => 47;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 47);
}
public struct Array48<T> : IArray<T> where T : unmanaged
{
T _e0;
Array47<T> _other;
public int Length => 48;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 48);
}
public struct Array49<T> : IArray<T> where T : unmanaged
{
T _e0;
Array48<T> _other;
public int Length => 49;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 49);
}
public struct Array50<T> : IArray<T> where T : unmanaged
{
T _e0;
Array49<T> _other;
public int Length => 50;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 50);
}
public struct Array51<T> : IArray<T> where T : unmanaged
{
T _e0;
Array50<T> _other;
public int Length => 51;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 51);
}
public struct Array52<T> : IArray<T> where T : unmanaged
{
T _e0;
Array51<T> _other;
public int Length => 52;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 52);
}
public struct Array53<T> : IArray<T> where T : unmanaged
{
T _e0;
Array52<T> _other;
public int Length => 53;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 53);
}
public struct Array54<T> : IArray<T> where T : unmanaged
{
T _e0;
Array53<T> _other;
public int Length => 54;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 54);
}
public struct Array55<T> : IArray<T> where T : unmanaged
{
T _e0;
Array54<T> _other;
public int Length => 55;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 55);
}
public struct Array56<T> : IArray<T> where T : unmanaged
{
T _e0;
Array55<T> _other;
public int Length => 56;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 56);
}
public struct Array57<T> : IArray<T> where T : unmanaged
{
T _e0;
Array56<T> _other;
public int Length => 57;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 57);
}
public struct Array58<T> : IArray<T> where T : unmanaged
{
T _e0;
Array57<T> _other;
public int Length => 58;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 58);
}
public struct Array59<T> : IArray<T> where T : unmanaged
{
T _e0;
Array58<T> _other;
public int Length => 59;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 59);
}
public struct Array60<T> : IArray<T> where T : unmanaged
{
T _e0;
Array59<T> _other;
public int Length => 60;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 60);
}
public struct Array61<T> : IArray<T> where T : unmanaged
{
T _e0;
Array60<T> _other;
public int Length => 61;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 61);
}
public struct Array62<T> : IArray<T> where T : unmanaged
{
T _e0;
Array61<T> _other;
public int Length => 62;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 62);
}
public struct Array63<T> : IArray<T> where T : unmanaged
{
T _e0;
Array62<T> _other;
public int Length => 63;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 63);
}
public struct Array64<T> : IArray<T> where T : unmanaged
{
T _e0;
Array63<T> _other;
public int Length => 64;
public ref T this[int index] => ref ToSpan()[index];
public Span<T> ToSpan() => MemoryMarshal.CreateSpan(ref _e0, 64);
}
}