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using System;
using System.Runtime.CompilerServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
namespace Ryujinx.Graphics.Texture.Utils
{
struct RgbaColor8 : IEquatable<RgbaColor8>
{
public byte R;
public byte G;
public byte B;
public byte A;
public RgbaColor8(byte r, byte g, byte b, byte a)
{
R = r;
G = g;
B = b;
A = a;
}
public static RgbaColor8 FromUInt32(uint color)
{
return Unsafe.As<uint, RgbaColor8>(ref color);
}
public static bool operator ==(RgbaColor8 x, RgbaColor8 y)
{
return x.Equals(y);
}
public static bool operator !=(RgbaColor8 x, RgbaColor8 y)
{
return !x.Equals(y);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public RgbaColor32 GetColor32()
{
if (Sse41.IsSupported)
{
Vector128<byte> color = Vector128.CreateScalarUnsafe(Unsafe.As<RgbaColor8, uint>(ref this)).AsByte();
return new RgbaColor32(Sse41.ConvertToVector128Int32(color));
}
else
{
return new RgbaColor32(R, G, B, A);
}
}
public uint ToUInt32()
{
return Unsafe.As<RgbaColor8, uint>(ref this);
}
public override int GetHashCode()
{
return HashCode.Combine(R, G, B, A);
}
public override bool Equals(object obj)
{
return obj is RgbaColor8 other && Equals(other);
}
public bool Equals(RgbaColor8 other)
{
return R == other.R && G == other.G && B == other.B && A == other.A;
}
public byte GetComponent(int index)
{
return index switch
{
0 => R,
1 => G,
2 => B,
3 => A,
_ => throw new ArgumentOutOfRangeException(nameof(index))
};
}
}
}
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