Ryujinx/Ryujinx.Graphics.Shader/Translation/UInt128.cs
gdkchan 0bcbe32367
Only initialize shader outputs that are actually used on the next stage (#3054)
* Only initialize shader outputs that are actually used on the next stage

* Shader cache version bump
2022-03-06 20:42:13 +01:00

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1.8 KiB
C#

using System;
using System.Numerics;
namespace Ryujinx.Graphics.Shader.Translation
{
struct UInt128 : IEquatable<UInt128>
{
public static UInt128 Zero => new UInt128() { _v0 = 0, _v1 = 0 };
private ulong _v0;
private ulong _v1;
public int TrailingZeroCount()
{
int count = BitOperations.TrailingZeroCount(_v0);
if (count == 64)
{
count += BitOperations.TrailingZeroCount(_v1);
}
return count;
}
public static UInt128 Pow2(int x)
{
if (x >= 64)
{
return new UInt128() { _v0 = 0, _v1 = 1UL << (x - 64 ) };
}
return new UInt128() { _v0 = 1UL << x, _v1 = 0 };
}
public static UInt128 operator ~(UInt128 x)
{
return new UInt128() { _v0 = ~x._v0, _v1 = ~x._v1 };
}
public static UInt128 operator &(UInt128 x, UInt128 y)
{
return new UInt128() { _v0 = x._v0 & y._v0, _v1 = x._v1 & y._v1 };
}
public static UInt128 operator |(UInt128 x, UInt128 y)
{
return new UInt128() { _v0 = x._v0 | y._v0, _v1 = x._v1 | y._v1 };
}
public static bool operator ==(UInt128 x, UInt128 y)
{
return x.Equals(y);
}
public static bool operator !=(UInt128 x, UInt128 y)
{
return !x.Equals(y);
}
public override bool Equals(object obj)
{
return obj is UInt128 other && Equals(other);
}
public bool Equals(UInt128 other)
{
return _v0 == other._v0 && _v1 == other._v1;
}
public override int GetHashCode()
{
return HashCode.Combine(_v0, _v1);
}
}
}