mirror of
https://github.com/Ryujinx/Ryujinx.git
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230 lines
6.8 KiB
C#
230 lines
6.8 KiB
C#
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using System;
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using System.Runtime.CompilerServices;
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using System.Runtime.Intrinsics;
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using System.Runtime.Intrinsics.X86;
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namespace Ryujinx.Graphics.Texture.Utils
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{
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struct RgbaColor32 : IEquatable<RgbaColor32>
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{
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private Vector128<int> _color;
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public int R
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{
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get => _color.GetElement(0);
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set => _color = _color.WithElement(0, value);
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}
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public int G
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{
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get => _color.GetElement(1);
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set => _color = _color.WithElement(1, value);
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}
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public int B
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{
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get => _color.GetElement(2);
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set => _color = _color.WithElement(2, value);
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}
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public int A
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{
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get => _color.GetElement(3);
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set => _color = _color.WithElement(3, value);
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}
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public RgbaColor32(Vector128<int> color)
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{
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_color = color;
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}
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public RgbaColor32(int r, int g, int b, int a)
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{
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_color = Vector128.Create(r, g, b, a);
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}
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public RgbaColor32(int scalar)
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{
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_color = Vector128.Create(scalar);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static RgbaColor32 operator +(RgbaColor32 x, RgbaColor32 y)
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{
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if (Sse2.IsSupported)
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{
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return new RgbaColor32(Sse2.Add(x._color, y._color));
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}
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else
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{
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return new RgbaColor32(x.R + y.R, x.G + y.G, x.B + y.B, x.A + y.A);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static RgbaColor32 operator -(RgbaColor32 x, RgbaColor32 y)
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{
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if (Sse2.IsSupported)
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{
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return new RgbaColor32(Sse2.Subtract(x._color, y._color));
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}
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else
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{
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return new RgbaColor32(x.R - y.R, x.G - y.G, x.B - y.B, x.A - y.A);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static RgbaColor32 operator *(RgbaColor32 x, RgbaColor32 y)
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{
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if (Sse41.IsSupported)
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{
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return new RgbaColor32(Sse41.MultiplyLow(x._color, y._color));
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}
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else
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{
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return new RgbaColor32(x.R * y.R, x.G * y.G, x.B * y.B, x.A * y.A);
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}
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}
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public static RgbaColor32 operator /(RgbaColor32 x, RgbaColor32 y)
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{
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return new RgbaColor32(x.R / y.R, x.G / y.G, x.B / y.B, x.A / y.A);
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}
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public static RgbaColor32 DivideGuarded(RgbaColor32 x, RgbaColor32 y, int resultIfZero)
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{
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return new RgbaColor32(
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DivideGuarded(x.R, y.R, resultIfZero),
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DivideGuarded(x.G, y.G, resultIfZero),
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DivideGuarded(x.B, y.B, resultIfZero),
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DivideGuarded(x.A, y.A, resultIfZero));
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static RgbaColor32 operator <<(RgbaColor32 x, int shift)
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{
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if (Sse2.IsSupported)
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{
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return new RgbaColor32(Sse2.ShiftLeftLogical(x._color, (byte)shift));
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}
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else
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{
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return new RgbaColor32(x.R << shift, x.G << shift, x.B << shift, x.A << shift);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static RgbaColor32 operator >>(RgbaColor32 x, int shift)
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{
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if (Sse2.IsSupported)
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{
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return new RgbaColor32(Sse2.ShiftRightLogical(x._color, (byte)shift));
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}
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else
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{
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return new RgbaColor32(x.R >> shift, x.G >> shift, x.B >> shift, x.A >> shift);
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}
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}
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public static bool operator ==(RgbaColor32 x, RgbaColor32 y)
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{
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return x.Equals(y);
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}
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public static bool operator !=(RgbaColor32 x, RgbaColor32 y)
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{
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return !x.Equals(y);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static int Dot(RgbaColor32 x, RgbaColor32 y)
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{
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if (Sse41.IsSupported)
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{
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Vector128<int> product = Sse41.MultiplyLow(x._color, y._color);
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Vector128<int> sum = Ssse3.HorizontalAdd(product, product);
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sum = Ssse3.HorizontalAdd(sum, sum);
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return sum.GetElement(0);
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}
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else
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{
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return x.R * y.R + x.G * y.G + x.B * y.B + x.A * y.A;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static RgbaColor32 Max(RgbaColor32 x, RgbaColor32 y)
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{
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if (Sse41.IsSupported)
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{
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return new RgbaColor32(Sse41.Max(x._color, y._color));
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}
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else
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{
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return new RgbaColor32(Math.Max(x.R, y.R), Math.Max(x.G, y.G), Math.Max(x.B, y.B), Math.Max(x.A, y.A));
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static RgbaColor32 Min(RgbaColor32 x, RgbaColor32 y)
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{
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if (Sse41.IsSupported)
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{
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return new RgbaColor32(Sse41.Min(x._color, y._color));
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}
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else
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{
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return new RgbaColor32(Math.Min(x.R, y.R), Math.Min(x.G, y.G), Math.Min(x.B, y.B), Math.Min(x.A, y.A));
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public RgbaColor8 GetColor8()
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{
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if (Sse41.IsSupported)
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{
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Vector128<int> temp = _color;
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Vector128<ushort> color16 = Sse41.PackUnsignedSaturate(temp, temp);
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Vector128<byte> color8 = Sse2.PackUnsignedSaturate(color16.AsInt16(), color16.AsInt16());
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uint color = color8.AsUInt32().GetElement(0);
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return Unsafe.As<uint, RgbaColor8>(ref color);
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}
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else
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{
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return new RgbaColor8(ClampByte(R), ClampByte(G), ClampByte(B), ClampByte(A));
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}
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}
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private static int DivideGuarded(int dividend, int divisor, int resultIfZero)
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{
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if (divisor == 0)
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{
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return resultIfZero;
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}
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return dividend / divisor;
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}
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private static byte ClampByte(int value)
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{
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return (byte)Math.Clamp(value, 0, 255);
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}
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public override int GetHashCode()
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{
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return HashCode.Combine(R, G, B, A);
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}
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public override bool Equals(object obj)
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{
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return obj is RgbaColor32 other && Equals(other);
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}
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public bool Equals(RgbaColor32 other)
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{
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return _color.Equals(other._color);
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}
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}
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}
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