diff options
Diffstat (limited to 'Ryujinx.Graphics.Shader/Translation/UInt128.cs')
-rw-r--r-- | Ryujinx.Graphics.Shader/Translation/UInt128.cs | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Shader/Translation/UInt128.cs b/Ryujinx.Graphics.Shader/Translation/UInt128.cs new file mode 100644 index 00000000..590f7690 --- /dev/null +++ b/Ryujinx.Graphics.Shader/Translation/UInt128.cs @@ -0,0 +1,74 @@ +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); + } + } +}
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