private static void EmitIscadd(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = OpCode.Read(48);
bool NegA = OpCode.Read(49);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
ShaderIrOperImm Scale = OpCode.Imm5_39();
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
OperA = GetAluIneg(OperA, NegA);
OperB = GetAluIneg(OperB, NegB);
ShaderIrOp ScaleOp = new ShaderIrOp(ShaderIrInst.Lsl, OperA, Scale);
ShaderIrOp AddOp = new ShaderIrOp(ShaderIrInst.Add, OperB, ScaleOp);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), AddOp)));
}
private static void EmitIadd(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
ShaderIrNode OperA = GetOperGpr8(OpCode);
ShaderIrNode OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Imm: OperB = GetOperImm19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
bool NegA = ((OpCode >> 49) & 1) != 0;
bool NegB = ((OpCode >> 48) & 1) != 0;
OperA = GetAluIneg(OperA, NegA);
OperB = GetAluIneg(OperB, NegB);
ShaderIrOp Op = new ShaderIrOp(ShaderIrInst.Add, OperA, OperB);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
private static void EmitF2f(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegA = ((OpCode >> 45) & 1) != 0;
bool AbsA = ((OpCode >> 49) & 1) != 0;
ShaderIrNode OperA;
switch (Oper)
{
case ShaderOper.CR: OperA = GetOperCbuf34(OpCode); break;
case ShaderOper.Immf: OperA = GetOperImmf19_20(OpCode); break;
case ShaderOper.RR: OperA = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
ShaderIrInst RoundInst = GetRoundInst(OpCode);
if (RoundInst != ShaderIrInst.Invalid)
{
OperA = new ShaderIrOp(RoundInst, OperA);
}
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), OperA), OpCode));
}
private static void EmitFadd(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = OpCode.Read(45);
bool AbsA = OpCode.Read(46);
bool NegA = OpCode.Read(48);
bool AbsB = OpCode.Read(49);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
ShaderIrNode Op = new ShaderIrOp(ShaderIrInst.Fadd, OperA, OperB);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
}
private static void EmitAluBinaryF(
ShaderIrBlock Block,
long OpCode,
ShaderOper Oper,
ShaderIrInst Inst)
{
bool NegB = ((OpCode >> 45) & 1) != 0;
bool AbsA = ((OpCode >> 46) & 1) != 0;
bool NegA = ((OpCode >> 48) & 1) != 0;
bool AbsB = ((OpCode >> 49) & 1) != 0;
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB;
if (Inst == ShaderIrInst.Fadd)
{
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
}
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Immf: OperB = GetOperImmf19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
ShaderIrNode Op = new ShaderIrOp(Inst, OperA, OperB);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
private static void EmitFfma(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = OpCode.Read(48);
bool NegC = OpCode.Read(49);
ShaderIrNode OperA = OpCode.Gpr8(), OperB, OperC;
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RC: OperB = OpCode.Gpr39(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluFneg(OperB, NegB);
if (Oper == ShaderOper.RC)
{
OperC = GetAluFneg(OpCode.Cbuf34(), NegC);
}
else
{
OperC = GetAluFneg(OpCode.Gpr39(), NegC);
}
ShaderIrOp Op = new ShaderIrOp(ShaderIrInst.Ffma, OperA, OperB, OperC);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
}
private static void EmitIscadd(ShaderIrBlock block, long opCode, ShaderOper oper)
{
bool negB = opCode.Read(48);
bool negA = opCode.Read(49);
ShaderIrNode operA = opCode.Gpr8(), operB;
ShaderIrOperImm scale = opCode.Imm5_39();
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Imm: operB = opCode.Imm19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
operA = GetAluIneg(operA, negA);
operB = GetAluIneg(operB, negB);
ShaderIrOp scaleOp = new ShaderIrOp(ShaderIrInst.Lsl, operA, scale);
ShaderIrOp addOp = new ShaderIrOp(ShaderIrInst.Add, operB, scaleOp);
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), addOp)));
}
private static void EmitRro(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
//Note: this is a range reduction instruction and is supposed to
//be used with Mufu, here it just moves the value and ignores the operation.
bool NegA = OpCode.Read(45);
bool AbsA = OpCode.Read(49);
ShaderIrNode OperA;
switch (Oper)
{
case ShaderOper.CR: OperA = OpCode.Cbuf34(); break;
case ShaderOper.Immf: OperA = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperA = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
Block.AddNode(new ShaderIrCmnt("Stubbed."));
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), OperA)));
}
private static void EmitAluFfma(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool Nb = ((OpCode >> 48) & 1) != 0;
bool Nc = ((OpCode >> 49) & 1) != 0;
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB, OperC;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Immf: OperB = GetOperImmf19_20(OpCode); break;
case ShaderOper.RC: OperB = GetOperGpr39(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluNeg(OperB, Nb);
if (Oper == ShaderOper.RC)
{
OperC = GetAluNeg(GetOperCbuf34(OpCode), Nc);
}
else
{
OperC = GetAluNeg(GetOperGpr39(OpCode), Nc);
}
ShaderIrOp Op = new ShaderIrOp(ShaderIrInst.Ffma, OperA, OperB, OperC);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
private static void EmitFadd(ShaderIrBlock block, long opCode, ShaderOper oper)
{
bool negB = opCode.Read(45);
bool absA = opCode.Read(46);
bool negA = opCode.Read(48);
bool absB = opCode.Read(49);
bool sat = opCode.Read(50);
ShaderIrNode operA = opCode.Gpr8(), operB;
operA = GetAluFabsFneg(operA, absA, negA);
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Immf: operB = opCode.Immf19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
operB = GetAluFabsFneg(operB, absB, negB);
ShaderIrNode op = new ShaderIrOp(ShaderIrInst.Fadd, operA, operB);
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), GetAluFsat(op, sat))));
}
private static void EmitF2F(ShaderIrBlock block, long opCode, ShaderOper oper)
{
bool negA = opCode.Read(45);
bool absA = opCode.Read(49);
ShaderIrNode operA;
switch (oper)
{
case ShaderOper.Cr: operA = opCode.Cbuf34(); break;
case ShaderOper.Immf: operA = opCode.Immf19_20(); break;
case ShaderOper.Rr: operA = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
operA = GetAluFabsFneg(operA, absA, negA);
ShaderIrInst roundInst = GetRoundInst(opCode);
if (roundInst != ShaderIrInst.Invalid)
{
operA = new ShaderIrOp(roundInst, operA);
}
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), operA)));
}
private static void EmitI2f(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
IntType Type = GetIntType(OpCode);
if (Type == IntType.U64 ||
Type == IntType.S64)
{
//TODO: 64-bits support.
//Note: GLSL doesn't support 64-bits integers.
throw new NotImplementedException();
}
int Sel = (int)(OpCode >> 41) & 3;
bool Na = ((OpCode >> 45) & 1) != 0;
bool Aa = ((OpCode >> 49) & 1) != 0;
ShaderIrNode OperA;
switch (Oper)
{
case ShaderOper.CR: OperA = GetOperCbuf34(OpCode); break;
case ShaderOper.Imm: OperA = GetOperImm19_20(OpCode); break;
case ShaderOper.RR: OperA = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperA = GetAluAbsNeg(OperA, Aa, Na);
bool Signed = Type >= IntType.S8;
int Shift = Sel * 8;
int Size = 8 << ((int)Type & 3);
ulong Mask = ulong.MaxValue >> (64 - Size);
int Mask32 = (int)Mask;
if (Shift != 0)
{
OperA = new ShaderIrOp(ShaderIrInst.Asr, OperA, new ShaderIrOperImm(Shift));
}
if (Mask != uint.MaxValue)
{
OperA = new ShaderIrOp(ShaderIrInst.And, OperA, new ShaderIrOperImm(Mask32));
}
ShaderIrInst Inst = Signed
? ShaderIrInst.Stof
: ShaderIrInst.Utof;
ShaderIrNode Op = new ShaderIrOp(Inst, OperA);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
private static void EmitBfe(ShaderIrBlock block, long opCode, ShaderOper oper)
{
//TODO: Handle the case where position + length
//is greater than the word size, in this case the sign bit
//needs to be replicated to fill the remaining space.
bool negB = opCode.Read(48);
bool negA = opCode.Read(49);
ShaderIrNode operA = opCode.Gpr8(), operB;
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Imm: operB = opCode.Imm19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
ShaderIrNode op;
bool signed = opCode.Read(48); //?
if (operB is ShaderIrOperImm posLen)
{
int position = (posLen.Value >> 0) & 0xff;
int length = (posLen.Value >> 8) & 0xff;
int lSh = 32 - (position + length);
ShaderIrInst rightShift = signed
? ShaderIrInst.Asr
: ShaderIrInst.Lsr;
op = new ShaderIrOp(ShaderIrInst.Lsl, operA, new ShaderIrOperImm(lSh));
op = new ShaderIrOp(rightShift, op, new ShaderIrOperImm(lSh + position));
}
else
{
ShaderIrOperImm shift = new ShaderIrOperImm(8);
ShaderIrOperImm mask = new ShaderIrOperImm(0xff);
ShaderIrNode opPos, opLen;
opPos = new ShaderIrOp(ShaderIrInst.And, operB, mask);
opLen = new ShaderIrOp(ShaderIrInst.Lsr, operB, shift);
opLen = new ShaderIrOp(ShaderIrInst.And, opLen, mask);
op = new ShaderIrOp(ShaderIrInst.Lsr, operA, opPos);
op = ExtendTo32(op, signed, opLen);
}
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op)));
}
private static void EmitBfe(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
//TODO: Handle the case where position + length
//is greater than the word size, in this case the sign bit
//needs to be replicated to fill the remaining space.
bool NegB = OpCode.Read(48);
bool NegA = OpCode.Read(49);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrNode Op;
bool Signed = OpCode.Read(48); //?
if (OperB is ShaderIrOperImm PosLen)
{
int Position = (PosLen.Value >> 0) & 0xff;
int Length = (PosLen.Value >> 8) & 0xff;
int LSh = 32 - (Position + Length);
ShaderIrInst RightShift = Signed
? ShaderIrInst.Asr
: ShaderIrInst.Lsr;
Op = new ShaderIrOp(ShaderIrInst.Lsl, OperA, new ShaderIrOperImm(LSh));
Op = new ShaderIrOp(RightShift, Op, new ShaderIrOperImm(LSh + Position));
}
else
{
ShaderIrOperImm Shift = new ShaderIrOperImm(8);
ShaderIrOperImm Mask = new ShaderIrOperImm(0xff);
ShaderIrNode OpPos, OpLen;
OpPos = new ShaderIrOp(ShaderIrInst.And, OperB, Mask);
OpLen = new ShaderIrOp(ShaderIrInst.Lsr, OperB, Shift);
OpLen = new ShaderIrOp(ShaderIrInst.And, OpLen, Mask);
Op = new ShaderIrOp(ShaderIrInst.Lsr, OperA, OpPos);
Op = ExtendTo32(Op, Signed, OpLen);
}
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
}
private static void EmitFsetp(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool Aa = ((OpCode >> 7) & 1) != 0;
bool Np = ((OpCode >> 42) & 1) != 0;
bool Na = ((OpCode >> 43) & 1) != 0;
bool Ab = ((OpCode >> 44) & 1) != 0;
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Immf: OperB = GetOperImmf19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrInst CmpInst = GetCmp(OpCode);
ShaderIrOp Op = new ShaderIrOp(CmpInst,
GetAluAbsNeg(OperA, Aa, Na),
GetAluAbs(OperB, Ab));
ShaderIrOperPred P0Node = GetOperPred3(OpCode);
ShaderIrOperPred P1Node = GetOperPred0(OpCode);
ShaderIrOperPred P2Node = GetOperPred39(OpCode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P0Node, Op), OpCode));
ShaderIrInst LopInst = GetBLop(OpCode);
if (LopInst == ShaderIrInst.Band && P1Node.IsConst && P2Node.IsConst)
{
return;
}
ShaderIrNode P2NNode = P2Node;
if (Np)
{
P2NNode = new ShaderIrOp(ShaderIrInst.Bnot, P2NNode);
}
Op = new ShaderIrOp(ShaderIrInst.Bnot, P0Node);
Op = new ShaderIrOp(LopInst, Op, P2NNode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P1Node, Op), OpCode));
Op = new ShaderIrOp(LopInst, P0Node, P2NNode);
Block.AddNode(GetPredNode(new ShaderIrAsg(P0Node, Op), OpCode));
}
private static void EmitI2f(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
IntType Type = GetIntType(OpCode);
if (Type == IntType.U64 ||
Type == IntType.S64)
{
//TODO: 64-bits support.
//Note: GLSL doesn't support 64-bits integers.
throw new NotImplementedException();
}
int Sel = OpCode.Read(41, 3);
bool NegA = OpCode.Read(45);
bool AbsA = OpCode.Read(49);
ShaderIrNode OperA;
switch (Oper)
{
case ShaderOper.CR: OperA = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperA = OpCode.Imm19_20(); break;
case ShaderOper.RR: OperA = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
OperA = GetAluIabsIneg(OperA, AbsA, NegA);
bool Signed = Type >= IntType.S8;
int Shift = Sel * 8;
int Size = 8 << ((int)Type & 3);
if (Shift != 0)
{
OperA = new ShaderIrOp(ShaderIrInst.Asr, OperA, new ShaderIrOperImm(Shift));
}
if (Size < 32)
{
OperA = ExtendTo32(OperA, Signed, Size);
}
ShaderIrInst Inst = Signed
? ShaderIrInst.Stof
: ShaderIrInst.Utof;
ShaderIrNode Op = new ShaderIrOp(Inst, OperA);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
}
private static void EmitI2F(ShaderIrBlock block, long opCode, ShaderOper oper)
{
IntType type = GetIntType(opCode);
if (type == IntType.U64 ||
type == IntType.S64)
{
//TODO: 64-bits support.
//Note: GLSL doesn't support 64-bits integers.
throw new NotImplementedException();
}
int sel = opCode.Read(41, 3);
bool negA = opCode.Read(45);
bool absA = opCode.Read(49);
ShaderIrNode operA;
switch (oper)
{
case ShaderOper.Cr: operA = opCode.Cbuf34(); break;
case ShaderOper.Imm: operA = opCode.Imm19_20(); break;
case ShaderOper.Rr: operA = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
operA = GetAluIabsIneg(operA, absA, negA);
bool signed = type >= IntType.S8;
int shift = sel * 8;
int size = 8 << ((int)type & 3);
if (shift != 0)
{
operA = new ShaderIrOp(ShaderIrInst.Asr, operA, new ShaderIrOperImm(shift));
}
if (size < 32)
{
operA = ExtendTo32(operA, signed, size);
}
ShaderIrInst inst = signed
? ShaderIrInst.Stof
: ShaderIrInst.Utof;
ShaderIrNode op = new ShaderIrOp(inst, operA);
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op)));
}
private static void EmitFmnmx(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = ((OpCode >> 45) & 1) != 0;
bool AbsA = ((OpCode >> 46) & 1) != 0;
bool NegA = ((OpCode >> 48) & 1) != 0;
bool AbsB = ((OpCode >> 49) & 1) != 0;
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB;
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Immf: OperB = GetOperImmf19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
ShaderIrOperPred Pred = GetOperPred39(OpCode);
ShaderIrOp Op;
if (Pred.IsConst)
{
bool IsMax = ((OpCode >> 42) & 1) != 0;
Op = new ShaderIrOp(IsMax
? ShaderIrInst.Fmax
: ShaderIrInst.Fmin, OperA, OperB);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
else
{
ShaderIrNode PredN = GetOperPred39N(OpCode);
ShaderIrOp OpMax = new ShaderIrOp(ShaderIrInst.Fmax, OperA, OperB);
ShaderIrOp OpMin = new ShaderIrOp(ShaderIrInst.Fmin, OperA, OperB);
ShaderIrAsg AsgMax = new ShaderIrAsg(GetOperGpr0(OpCode), OpMax);
ShaderIrAsg AsgMin = new ShaderIrAsg(GetOperGpr0(OpCode), OpMin);
Block.AddNode(GetPredNode(new ShaderIrCond(PredN, AsgMax, Not: true), OpCode));
Block.AddNode(GetPredNode(new ShaderIrCond(PredN, AsgMin, Not: false), OpCode));
}
}
private static void EmitLop(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
int SubOp = OpCode.Read(41, 3);
bool InvA = OpCode.Read(39);
bool InvB = OpCode.Read(40);
ShaderIrInst Inst = 0;
switch (SubOp)
{
case 0: Inst = ShaderIrInst.And; break;
case 1: Inst = ShaderIrInst.Or; break;
case 2: Inst = ShaderIrInst.Xor; break;
}
ShaderIrNode OperA = GetAluNot(OpCode.Gpr8(), InvA);
ShaderIrNode OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluNot(OperB, InvB);
ShaderIrNode Op;
if (SubOp < 3)
{
Op = new ShaderIrOp(Inst, OperA, OperB);
}
else
{
Op = OperB;
}
ShaderIrNode Compare = new ShaderIrOp(ShaderIrInst.Cne, Op, new ShaderIrOperImm(0));
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Pred48(), Compare)));
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
}
private static void EmitLop(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
int SubOp = (int)(OpCode >> 41) & 3;
bool InvA = ((OpCode >> 39) & 1) != 0;
bool InvB = ((OpCode >> 40) & 1) != 0;
ShaderIrInst Inst = 0;
switch (SubOp)
{
case 0: Inst = ShaderIrInst.And; break;
case 1: Inst = ShaderIrInst.Or; break;
case 2: Inst = ShaderIrInst.Xor; break;
}
ShaderIrNode OperA = GetAluNot(GetOperGpr8(OpCode), InvA);
ShaderIrNode OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Imm: OperB = GetOperImm19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluNot(OperB, InvB);
ShaderIrNode Op;
if (SubOp < 3)
{
Op = new ShaderIrOp(Inst, OperA, OperB);
}
else
{
Op = OperB;
}
ShaderIrNode Compare = new ShaderIrOp(ShaderIrInst.Cne, Op, new ShaderIrOperImm(0));
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperPred48(OpCode), Compare), OpCode));
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
private static void EmitLop(ShaderIrBlock block, long opCode, ShaderOper oper)
{
int subOp = opCode.Read(41, 3);
bool invA = opCode.Read(39);
bool invB = opCode.Read(40);
ShaderIrInst inst = 0;
switch (subOp)
{
case 0: inst = ShaderIrInst.And; break;
case 1: inst = ShaderIrInst.Or; break;
case 2: inst = ShaderIrInst.Xor; break;
}
ShaderIrNode operA = GetAluNot(opCode.Gpr8(), invA);
ShaderIrNode operB;
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Imm: operB = opCode.Imm19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
operB = GetAluNot(operB, invB);
ShaderIrNode op;
if (subOp < 3)
{
op = new ShaderIrOp(inst, operA, operB);
}
else
{
op = operB;
}
ShaderIrNode compare = new ShaderIrOp(ShaderIrInst.Cne, op, new ShaderIrOperImm(0));
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Pred48(), compare)));
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op)));
}
private static void EmitAluBinary(
ShaderIrBlock block,
long opCode,
ShaderOper oper,
ShaderIrInst inst)
{
ShaderIrNode operA = opCode.Gpr8(), operB;
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Imm: operB = opCode.Imm19_20(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
ShaderIrNode op = new ShaderIrOp(inst, operA, operB);
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), op)));
}
private static void EmitSel(ShaderIrBlock block, long opCode, ShaderOper oper)
{
ShaderIrOperGpr dst = opCode.Gpr0();
ShaderIrNode pred = opCode.Pred39N();
ShaderIrNode resultA = opCode.Gpr8();
ShaderIrNode resultB;
switch (oper)
{
case ShaderOper.Cr: resultB = opCode.Cbuf34(); break;
case ShaderOper.Imm: resultB = opCode.Imm19_20(); break;
case ShaderOper.Rr: resultB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
block.AddNode(opCode.PredNode(new ShaderIrCond(pred, new ShaderIrAsg(dst, resultA), false)));
block.AddNode(opCode.PredNode(new ShaderIrCond(pred, new ShaderIrAsg(dst, resultB), true)));
}
private static void EmitAluBinary(
ShaderIrBlock Block,
long OpCode,
ShaderOper Oper,
ShaderIrInst Inst)
{
ShaderIrNode OperA = GetOperGpr8(OpCode), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = GetOperCbuf34(OpCode); break;
case ShaderOper.Imm: OperB = GetOperImm19_20(OpCode); break;
case ShaderOper.RR: OperB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrNode Op = new ShaderIrOp(Inst, OperA, OperB);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Op), OpCode));
}
private static void EmitSel(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
ShaderIrOperGpr Dst = GetOperGpr0(OpCode);
ShaderIrNode Pred = GetOperPred39N(OpCode);
ShaderIrNode ResultA = GetOperGpr8(OpCode);
ShaderIrNode ResultB;
switch (Oper)
{
case ShaderOper.CR: ResultB = GetOperCbuf34(OpCode); break;
case ShaderOper.Imm: ResultB = GetOperImm19_20(OpCode); break;
case ShaderOper.RR: ResultB = GetOperGpr20(OpCode); break;
default: throw new ArgumentException(nameof(Oper));
}
Block.AddNode(GetPredNode(new ShaderIrCond(Pred, new ShaderIrAsg(Dst, ResultA), false), OpCode));
Block.AddNode(GetPredNode(new ShaderIrCond(Pred, new ShaderIrAsg(Dst, ResultB), true), OpCode));
}
private static void EmitFfma(ShaderIrBlock block, long opCode, ShaderOper oper)
{
bool negB = opCode.Read(48);
bool negC = opCode.Read(49);
bool sat = opCode.Read(50);
ShaderIrNode operA = opCode.Gpr8(), operB, operC;
switch (oper)
{
case ShaderOper.Cr: operB = opCode.Cbuf34(); break;
case ShaderOper.Immf: operB = opCode.Immf19_20(); break;
case ShaderOper.Rc: operB = opCode.Gpr39(); break;
case ShaderOper.Rr: operB = opCode.Gpr20(); break;
default: throw new ArgumentException(nameof(oper));
}
operB = GetAluFneg(operB, negB);
if (oper == ShaderOper.Rc)
{
operC = GetAluFneg(opCode.Cbuf34(), negC);
}
else
{
operC = GetAluFneg(opCode.Gpr39(), negC);
}
ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Ffma, operA, operB, operC);
block.AddNode(opCode.PredNode(new ShaderIrAsg(opCode.Gpr0(), GetAluFsat(op, sat))));
}
private static void EmitFmul(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
bool NegB = OpCode.Read(48);
bool Sat = OpCode.Read(50);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
OperB = GetAluFneg(OperB, NegB);
ShaderIrNode Op = new ShaderIrOp(ShaderIrInst.Fmul, OperA, OperB);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), GetAluFsat(Op, Sat))));
}
private static void EmitSet(ShaderIrBlock Block, long OpCode, bool IsFloat, ShaderOper Oper)
{
bool NegA = OpCode.Read(43);
bool AbsB = OpCode.Read(44);
bool NegB = OpCode.Read(53);
bool AbsA = OpCode.Read(54);
bool BoolFloat = OpCode.Read(IsFloat ? 52 : 44);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
ShaderIrInst CmpInst;
if (IsFloat)
{
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
CmpInst = OpCode.CmpF();
}
else
{
CmpInst = OpCode.Cmp();
}
ShaderIrOp Op = new ShaderIrOp(CmpInst, OperA, OperB);
ShaderIrInst LopInst = OpCode.BLop45();
ShaderIrOperPred PNode = OpCode.Pred39();
ShaderIrNode Imm0, Imm1;
if (BoolFloat)
{
Imm0 = new ShaderIrOperImmf(0);
Imm1 = new ShaderIrOperImmf(1);
}
else
{
Imm0 = new ShaderIrOperImm(0);
Imm1 = new ShaderIrOperImm(-1);
}
ShaderIrNode Asg0 = new ShaderIrAsg(OpCode.Gpr0(), Imm0);
ShaderIrNode Asg1 = new ShaderIrAsg(OpCode.Gpr0(), Imm1);
if (LopInst != ShaderIrInst.Band || !PNode.IsConst)
{
ShaderIrOp Op2 = new ShaderIrOp(LopInst, Op, PNode);
Asg0 = new ShaderIrCond(Op2, Asg0, Not: true);
Asg1 = new ShaderIrCond(Op2, Asg1, Not: false);
}
else
{
Asg0 = new ShaderIrCond(Op, Asg0, Not: true);
Asg1 = new ShaderIrCond(Op, Asg1, Not: false);
}
Block.AddNode(OpCode.PredNode(Asg0));
Block.AddNode(OpCode.PredNode(Asg1));
}
private static void EmitIset(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
EmitSet(Block, OpCode, false, Oper);
}
private static void EmitMnmx(ShaderIrBlock Block, long OpCode, bool IsFloat, ShaderOper Oper)
{
bool NegB = OpCode.Read(45);
bool AbsA = OpCode.Read(46);
bool NegA = OpCode.Read(48);
bool AbsB = OpCode.Read(49);
ShaderIrNode OperA = OpCode.Gpr8(), OperB;
if (IsFloat)
{
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
}
else
{
OperA = GetAluIabsIneg(OperA, AbsA, NegA);
}
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.Immf: OperB = OpCode.Immf19_20(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
if (IsFloat)
{
OperB = GetAluFabsFneg(OperB, AbsB, NegB);
}
else
{
OperB = GetAluIabsIneg(OperB, AbsB, NegB);
}
ShaderIrOperPred Pred = OpCode.Pred39();
ShaderIrOp Op;
ShaderIrInst MaxInst = IsFloat ? ShaderIrInst.Fmax : ShaderIrInst.Max;
ShaderIrInst MinInst = IsFloat ? ShaderIrInst.Fmin : ShaderIrInst.Min;
if (Pred.IsConst)
{
bool IsMax = OpCode.Read(42);
Op = new ShaderIrOp(IsMax
? MaxInst
: MinInst, OperA, OperB);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), Op)));
}
else
{
ShaderIrNode PredN = OpCode.Pred39N();
ShaderIrOp OpMax = new ShaderIrOp(MaxInst, OperA, OperB);
ShaderIrOp OpMin = new ShaderIrOp(MinInst, OperA, OperB);
ShaderIrAsg AsgMax = new ShaderIrAsg(OpCode.Gpr0(), OpMax);
ShaderIrAsg AsgMin = new ShaderIrAsg(OpCode.Gpr0(), OpMin);
Block.AddNode(OpCode.PredNode(new ShaderIrCond(PredN, AsgMax, Not: true)));
Block.AddNode(OpCode.PredNode(new ShaderIrCond(PredN, AsgMin, Not: false)));
}
}
