diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.Graphics.Shader/Instructions/Lop3Expression.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.Graphics.Shader/Instructions/Lop3Expression.cs')
| -rw-r--r-- | Ryujinx.Graphics.Shader/Instructions/Lop3Expression.cs | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/Ryujinx.Graphics.Shader/Instructions/Lop3Expression.cs b/Ryujinx.Graphics.Shader/Instructions/Lop3Expression.cs deleted file mode 100644 index 6217ce53..00000000 --- a/Ryujinx.Graphics.Shader/Instructions/Lop3Expression.cs +++ /dev/null @@ -1,141 +0,0 @@ -using Ryujinx.Graphics.Shader.IntermediateRepresentation; -using Ryujinx.Graphics.Shader.Translation; - -using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper; - -namespace Ryujinx.Graphics.Shader.Instructions -{ - static class Lop3Expression - { - private enum TruthTable : byte - { - False = 0x00, // false - True = 0xff, // true - In = 0xf0, // a - And2 = 0xc0, // a & b - Or2 = 0xfc, // a | b - Xor2 = 0x3c, // a ^ b - And3 = 0x80, // a & b & c - Or3 = 0xfe, // a | b | c - XorAnd = 0x60, // a & (b ^ c) - XorOr = 0xf6, // a | (b ^ c) - OrAnd = 0xe0, // a & (b | c) - AndOr = 0xf8, // a | (b & c) - Onehot = 0x16, // (a & !b & !c) | (!a & b & !c) | (!a & !b & c) - Only one value is true. - Majority = 0xe8, // Popcount(a, b, c) >= 2 - Gamble = 0x81, // (a & b & c) | (!a & !b & !c) - All on or all off - InverseGamble = 0x7e, // Inverse of Gamble - Dot = 0x1a, // a ^ (c | (a & b)) - Mux = 0xca, // a ? b : c - AndXor = 0x78, // a ^ (b & c) - OrXor = 0x1e, // a ^ (b | c) - Xor3 = 0x96, // a ^ b ^ c - } - - public static Operand GetFromTruthTable(EmitterContext context, Operand srcA, Operand srcB, Operand srcC, int imm) - { - for (int i = 0; i < 0x40; i++) - { - TruthTable currImm = (TruthTable)imm; - - Operand x = srcA; - Operand y = srcB; - Operand z = srcC; - - if ((i & 0x01) != 0) - { - (x, y) = (y, x); - currImm = PermuteTable(currImm, 7, 6, 3, 2, 5, 4, 1, 0); - } - - if ((i & 0x02) != 0) - { - (x, z) = (z, x); - currImm = PermuteTable(currImm, 7, 3, 5, 1, 6, 2, 4, 0); - } - - if ((i & 0x04) != 0) - { - (y, z) = (z, y); - currImm = PermuteTable(currImm, 7, 5, 6, 4, 3, 1, 2, 0); - } - - if ((i & 0x08) != 0) - { - x = context.BitwiseNot(x); - currImm = PermuteTable(currImm, 3, 2, 1, 0, 7, 6, 5, 4); - } - - if ((i & 0x10) != 0) - { - y = context.BitwiseNot(y); - currImm = PermuteTable(currImm, 5, 4, 7, 6, 1, 0, 3, 2); - } - - if ((i & 0x20) != 0) - { - z = context.BitwiseNot(z); - currImm = PermuteTable(currImm, 6, 7, 4, 5, 2, 3, 0, 1); - } - - Operand result = GetExpr(currImm, context, x, y, z); - if (result != null) - { - return result; - } - - Operand notResult = GetExpr((TruthTable)((~(int)currImm) & 0xff), context, x, y, z); - if (notResult != null) - { - return context.BitwiseNot(notResult); - } - } - - return null; - } - - private static Operand GetExpr(TruthTable imm, EmitterContext context, Operand x, Operand y, Operand z) - { - return imm switch - { - TruthTable.False => Const(0), - TruthTable.True => Const(-1), - TruthTable.In => x, - TruthTable.And2 => context.BitwiseAnd(x, y), - TruthTable.Or2 => context.BitwiseOr(x, y), - TruthTable.Xor2 => context.BitwiseExclusiveOr(x, y), - TruthTable.And3 => context.BitwiseAnd(x, context.BitwiseAnd(y, z)), - TruthTable.Or3 => context.BitwiseOr(x, context.BitwiseOr(y, z)), - TruthTable.XorAnd => context.BitwiseAnd(x, context.BitwiseExclusiveOr(y, z)), - TruthTable.XorOr => context.BitwiseOr(x, context.BitwiseExclusiveOr(y, z)), - TruthTable.OrAnd => context.BitwiseAnd(x, context.BitwiseOr(y, z)), - TruthTable.AndOr => context.BitwiseOr(x, context.BitwiseAnd(y, z)), - TruthTable.Onehot => context.BitwiseExclusiveOr(context.BitwiseOr(x, y), context.BitwiseOr(z, context.BitwiseAnd(x, y))), - TruthTable.Majority => context.BitwiseAnd(context.BitwiseOr(x, y), context.BitwiseOr(z, context.BitwiseAnd(x, y))), - TruthTable.InverseGamble => context.BitwiseOr(context.BitwiseExclusiveOr(x, y), context.BitwiseExclusiveOr(x, z)), - TruthTable.Dot => context.BitwiseAnd(context.BitwiseExclusiveOr(x, z), context.BitwiseOr(context.BitwiseNot(y), z)), - TruthTable.Mux => context.BitwiseOr(context.BitwiseAnd(x, y), context.BitwiseAnd(context.BitwiseNot(x), z)), - TruthTable.AndXor => context.BitwiseExclusiveOr(x, context.BitwiseAnd(y, z)), - TruthTable.OrXor => context.BitwiseExclusiveOr(x, context.BitwiseOr(y, z)), - TruthTable.Xor3 => context.BitwiseExclusiveOr(x, context.BitwiseExclusiveOr(y, z)), - _ => null - }; - } - - private static TruthTable PermuteTable(TruthTable imm, int bit7, int bit6, int bit5, int bit4, int bit3, int bit2, int bit1, int bit0) - { - int result = 0; - - result |= (((int)imm >> 0) & 1) << bit0; - result |= (((int)imm >> 1) & 1) << bit1; - result |= (((int)imm >> 2) & 1) << bit2; - result |= (((int)imm >> 3) & 1) << bit3; - result |= (((int)imm >> 4) & 1) << bit4; - result |= (((int)imm >> 5) & 1) << bit5; - result |= (((int)imm >> 6) & 1) << bit6; - result |= (((int)imm >> 7) & 1) << bit7; - - return (TruthTable)result; - } - } -}
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