ryujinx/Ryujinx.Graphics.Texture/Astc/IntegerSequence.cs
Alex Barney d1ab9fb42c ASTC optimizations (#845)
* ASTC optimizations

* Move code to Ryujinx.Common

* Support 3D textures

* Address feedback

* Remove ASTC logging

* Use stackalloc instead of a Buffer20 struct

* Code style and cleanup

* Respond to feedback

* Rearrange public/private property ordering
2020-01-09 02:13:00 +01:00

32 lines
835 B
C#

using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Texture.Astc
{
[StructLayout(LayoutKind.Sequential, Size = IntegerEncoded.StructSize * Capacity + sizeof(int))]
internal struct IntegerSequence
{
private const int Capacity = 100;
private int _length;
private IntegerEncoded _start;
public Span<IntegerEncoded> List => MemoryMarshal.CreateSpan(ref _start, _length);
public void Reset() => _length = 0;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void Add(ref IntegerEncoded item)
{
Debug.Assert(_length < Capacity);
int oldLength = _length;
_length++;
List[oldLength] = item;
}
}
}