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Implement ICMP shader instruction (#1010)
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parent
9a208c4fb5
commit
6edc929894
3 changed files with 32 additions and 16 deletions
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@ -120,6 +120,10 @@ namespace Ryujinx.Graphics.Shader.Decoders
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Set("010011001100xx", InstEmit.Iadd3, typeof(OpCodeAluCbuf));
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Set("0011100x1100xx", InstEmit.Iadd3, typeof(OpCodeAluImm));
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Set("010111001100xx", InstEmit.Iadd3, typeof(OpCodeAluReg));
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Set("010010110100xx", InstEmit.Icmp, typeof(OpCodeAluCbuf));
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Set("0011011x0100xx", InstEmit.Icmp, typeof(OpCodeAluImm));
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Set("010110110100xx", InstEmit.Icmp, typeof(OpCodeAluReg));
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Set("010100110100xx", InstEmit.Icmp, typeof(OpCodeAluRegCbuf));
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Set("010010100xxxxx", InstEmit.Imad, typeof(OpCodeAluCbuf));
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Set("0011010x0xxxxx", InstEmit.Imad, typeof(OpCodeAluImm));
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Set("010110100xxxxx", InstEmit.Imad, typeof(OpCodeAluReg));
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@ -200,10 +200,27 @@ namespace Ryujinx.Graphics.Shader.Instructions
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// TODO: CC, X, corner cases
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}
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public static void Icmp(EmitterContext context)
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{
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OpCode op = context.CurrOp;
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bool isSigned = op.RawOpCode.Extract(48);
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IntegerCondition cmpOp = (IntegerCondition)op.RawOpCode.Extract(49, 3);
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Operand srcA = GetSrcA(context);
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Operand srcB = GetSrcB(context);
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Operand srcC = GetSrcC(context);
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Operand cmpRes = GetIntComparison(context, cmpOp, srcC, Const(0), isSigned);
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Operand res = context.ConditionalSelect(cmpRes, srcA, srcB);
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context.Copy(GetDest(context), res);
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}
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public static void Imad(EmitterContext context)
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{
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OpCodeAlu op = (OpCodeAlu)context.CurrOp;
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bool signedA = context.CurrOp.RawOpCode.Extract(48);
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bool signedB = context.CurrOp.RawOpCode.Extract(53);
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bool high = context.CurrOp.RawOpCode.Extract(54);
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@ -731,19 +748,16 @@ namespace Ryujinx.Graphics.Shader.Instructions
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}
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else
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{
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Instruction inst;
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switch (cond)
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var inst = cond switch
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{
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case IntegerCondition.Less: inst = Instruction.CompareLessU32; break;
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case IntegerCondition.Equal: inst = Instruction.CompareEqual; break;
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case IntegerCondition.LessOrEqual: inst = Instruction.CompareLessOrEqualU32; break;
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case IntegerCondition.Greater: inst = Instruction.CompareGreaterU32; break;
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case IntegerCondition.NotEqual: inst = Instruction.CompareNotEqual; break;
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case IntegerCondition.GreaterOrEqual: inst = Instruction.CompareGreaterOrEqualU32; break;
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default: throw new InvalidOperationException($"Unexpected condition \"{cond}\".");
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}
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IntegerCondition.Less => Instruction.CompareLessU32,
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IntegerCondition.Equal => Instruction.CompareEqual,
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IntegerCondition.LessOrEqual => Instruction.CompareLessOrEqualU32,
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IntegerCondition.Greater => Instruction.CompareGreaterU32,
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IntegerCondition.NotEqual => Instruction.CompareNotEqual,
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IntegerCondition.GreaterOrEqual => Instruction.CompareGreaterOrEqualU32,
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_ => throw new InvalidOperationException($"Unexpected condition \"{cond}\".")
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};
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if (isSigned)
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{
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@ -97,8 +97,6 @@ namespace Ryujinx.Graphics.Shader.Instructions
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public static void Sel(EmitterContext context)
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{
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OpCodeAlu op = (OpCodeAlu)context.CurrOp;
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Operand pred = GetPredicate39(context);
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Operand srcA = GetSrcA(context);
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