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Implement ICMP shader instruction (#1010)

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gdkchan 2020-03-23 13:32:30 -03:00 committed by GitHub
parent 9a208c4fb5
commit 6edc929894
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 32 additions and 16 deletions
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4
Ryujinx.Graphics.Shader/Decoders/OpCodeTable.cs
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@ -120,6 +120,10 @@ namespace Ryujinx.Graphics.Shader.Decoders
Set("010011001100xx", InstEmit.Iadd3, typeof(OpCodeAluCbuf)); Set("010011001100xx", InstEmit.Iadd3, typeof(OpCodeAluCbuf));
Set("0011100x1100xx", InstEmit.Iadd3, typeof(OpCodeAluImm)); Set("0011100x1100xx", InstEmit.Iadd3, typeof(OpCodeAluImm));
Set("010111001100xx", InstEmit.Iadd3, typeof(OpCodeAluReg)); Set("010111001100xx", InstEmit.Iadd3, typeof(OpCodeAluReg));
Set("010010110100xx", InstEmit.Icmp, typeof(OpCodeAluCbuf));
Set("0011011x0100xx", InstEmit.Icmp, typeof(OpCodeAluImm));
Set("010110110100xx", InstEmit.Icmp, typeof(OpCodeAluReg));
Set("010100110100xx", InstEmit.Icmp, typeof(OpCodeAluRegCbuf));
Set("010010100xxxxx", InstEmit.Imad, typeof(OpCodeAluCbuf)); Set("010010100xxxxx", InstEmit.Imad, typeof(OpCodeAluCbuf));
Set("0011010x0xxxxx", InstEmit.Imad, typeof(OpCodeAluImm)); Set("0011010x0xxxxx", InstEmit.Imad, typeof(OpCodeAluImm));
Set("010110100xxxxx", InstEmit.Imad, typeof(OpCodeAluReg)); Set("010110100xxxxx", InstEmit.Imad, typeof(OpCodeAluReg));

42
Ryujinx.Graphics.Shader/Instructions/InstEmitAlu.cs
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@ -200,10 +200,27 @@ namespace Ryujinx.Graphics.Shader.Instructions
// TODO: CC, X, corner cases // TODO: CC, X, corner cases
} }
public static void Icmp(EmitterContext context)
{
OpCode op = context.CurrOp;
bool isSigned = op.RawOpCode.Extract(48);
IntegerCondition cmpOp = (IntegerCondition)op.RawOpCode.Extract(49, 3);
Operand srcA = GetSrcA(context);
Operand srcB = GetSrcB(context);
Operand srcC = GetSrcC(context);
Operand cmpRes = GetIntComparison(context, cmpOp, srcC, Const(0), isSigned);
Operand res = context.ConditionalSelect(cmpRes, srcA, srcB);
context.Copy(GetDest(context), res);
}
public static void Imad(EmitterContext context) public static void Imad(EmitterContext context)
{ {
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
bool signedA = context.CurrOp.RawOpCode.Extract(48); bool signedA = context.CurrOp.RawOpCode.Extract(48);
bool signedB = context.CurrOp.RawOpCode.Extract(53); bool signedB = context.CurrOp.RawOpCode.Extract(53);
bool high = context.CurrOp.RawOpCode.Extract(54); bool high = context.CurrOp.RawOpCode.Extract(54);
@ -731,19 +748,16 @@ namespace Ryujinx.Graphics.Shader.Instructions
} }
else else
{ {
Instruction inst; var inst = cond switch
switch (cond)
{ {
case IntegerCondition.Less: inst = Instruction.CompareLessU32; break; IntegerCondition.Less => Instruction.CompareLessU32,
case IntegerCondition.Equal: inst = Instruction.CompareEqual; break; IntegerCondition.Equal => Instruction.CompareEqual,
case IntegerCondition.LessOrEqual: inst = Instruction.CompareLessOrEqualU32; break; IntegerCondition.LessOrEqual => Instruction.CompareLessOrEqualU32,
case IntegerCondition.Greater: inst = Instruction.CompareGreaterU32; break; IntegerCondition.Greater => Instruction.CompareGreaterU32,
case IntegerCondition.NotEqual: inst = Instruction.CompareNotEqual; break; IntegerCondition.NotEqual => Instruction.CompareNotEqual,
case IntegerCondition.GreaterOrEqual: inst = Instruction.CompareGreaterOrEqualU32; break; IntegerCondition.GreaterOrEqual => Instruction.CompareGreaterOrEqualU32,
_ => throw new InvalidOperationException($"Unexpected condition \"{cond}\".")
default: throw new InvalidOperationException($"Unexpected condition \"{cond}\"."); };
}
if (isSigned) if (isSigned)
{ {

2
Ryujinx.Graphics.Shader/Instructions/InstEmitMove.cs
View file

@ -97,8 +97,6 @@ namespace Ryujinx.Graphics.Shader.Instructions
public static void Sel(EmitterContext context) public static void Sel(EmitterContext context)
{ {
OpCodeAlu op = (OpCodeAlu)context.CurrOp;
Operand pred = GetPredicate39(context); Operand pred = GetPredicate39(context);
Operand srcA = GetSrcA(context); Operand srcA = GetSrcA(context);