public static void Mov_C(ShaderIrBlock Block, long OpCode)
{
ShaderIrOperCbuf Cbuf = GetOperCbuf34(OpCode);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Cbuf), OpCode));
}
public static void Fsetp_R(ShaderIrBlock Block, long OpCode, int Position)
{
EmitFsetp(Block, OpCode, ShaderOper.RR);
}
public static void Bfe_C(ShaderIrBlock Block, long OpCode, int Position)
{
EmitBfe(Block, OpCode, ShaderOper.CR);
}
private static void EmitSetp(ShaderIrBlock Block, long OpCode, bool IsFloat, ShaderOper Oper)
{
bool AbsA = OpCode.Read(7);
bool NegP = OpCode.Read(42);
bool NegA = OpCode.Read(43);
bool AbsB = OpCode.Read(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 = GetAluFabs(OperB, AbsB);
CmpInst = OpCode.CmpF();
}
else
{
CmpInst = OpCode.Cmp();
}
ShaderIrOp Op = new ShaderIrOp(CmpInst, OperA, OperB);
ShaderIrOperPred P0Node = OpCode.Pred3();
ShaderIrOperPred P1Node = OpCode.Pred0();
ShaderIrOperPred P2Node = OpCode.Pred39();
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P0Node, Op)));
ShaderIrInst LopInst = OpCode.BLop45();
if (LopInst == ShaderIrInst.Band && P1Node.IsConst && P2Node.IsConst)
{
return;
}
ShaderIrNode P2NNode = P2Node;
if (NegP)
{
P2NNode = new ShaderIrOp(ShaderIrInst.Bnot, P2NNode);
}
Op = new ShaderIrOp(ShaderIrInst.Bnot, P0Node);
Op = new ShaderIrOp(LopInst, Op, P2NNode);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P1Node, Op)));
Op = new ShaderIrOp(LopInst, P0Node, P2NNode);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(P0Node, Op)));
}
private static void EmitXmad(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
//TODO: Confirm SignAB/C, it is just a guess.
//TODO: Implement Mode 3 (CSFU), what it does?
bool SignAB = OpCode.Read(48);
bool SignC = OpCode.Read(49);
bool HighB = OpCode.Read(52);
bool HighA = OpCode.Read(53);
int Mode = OpCode.Read(50, 7);
ShaderIrNode OperA = OpCode.Gpr8(), OperB, OperC;
ShaderIrOperImm Imm16 = new ShaderIrOperImm(16);
ShaderIrOperImm ImmMsk = new ShaderIrOperImm(0xffff);
ShaderIrInst ShiftAB = SignAB ? ShaderIrInst.Asr : ShaderIrInst.Lsr;
ShaderIrInst ShiftC = SignC ? ShaderIrInst.Asr : ShaderIrInst.Lsr;
if (HighA)
{
OperA = new ShaderIrOp(ShiftAB, OperA, Imm16);
}
switch (Oper)
{
case ShaderOper.CR: OperB = OpCode.Cbuf34(); break;
case ShaderOper.Imm: OperB = OpCode.Imm19_20(); break;
case ShaderOper.RC: OperB = OpCode.Gpr39(); break;
case ShaderOper.RR: OperB = OpCode.Gpr20(); break;
default: throw new ArgumentException(nameof(Oper));
}
bool ProductShiftLeft = false, Merge = false;
if (Oper == ShaderOper.RC)
{
OperC = OpCode.Cbuf34();
}
else
{
OperC = OpCode.Gpr39();
ProductShiftLeft = OpCode.Read(36);
Merge = OpCode.Read(37);
}
switch (Mode)
{
//CLO.
case 1: OperC = ExtendTo32(OperC, SignC, 16); break;
//CHI.
case 2: OperC = new ShaderIrOp(ShiftC, OperC, Imm16); break;
}
ShaderIrNode OperBH = OperB;
if (HighB)
{
OperBH = new ShaderIrOp(ShiftAB, OperBH, Imm16);
}
ShaderIrOp MulOp = new ShaderIrOp(ShaderIrInst.Mul, OperA, OperBH);
if (ProductShiftLeft)
{
MulOp = new ShaderIrOp(ShaderIrInst.Lsl, MulOp, Imm16);
}
ShaderIrOp AddOp = new ShaderIrOp(ShaderIrInst.Add, MulOp, OperC);
if (Merge)
{
AddOp = new ShaderIrOp(ShaderIrInst.And, AddOp, ImmMsk);
OperB = new ShaderIrOp(ShaderIrInst.Lsl, OperB, Imm16);
AddOp = new ShaderIrOp(ShaderIrInst.Or, AddOp, OperB);
}
if (Mode == 4)
{
OperB = new ShaderIrOp(ShaderIrInst.Lsl, OperB, Imm16);
AddOp = new ShaderIrOp(ShaderIrInst.Or, AddOp, OperB);
}
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(OpCode.Gpr0(), AddOp)));
}
private static void EmitTexs(ShaderIrBlock block,
long opCode,
ShaderIrInst inst,
GalTextureTarget textureTarget,
TextureInstructionSuffix textureInstructionSuffix)
{
if (inst == ShaderIrInst.Txlf && textureTarget == GalTextureTarget.CubeArray)
{
throw new InvalidOperationException("TLDS instructions cannot use CUBE modifier!");
}
bool isArray = ImageUtils.IsArray(textureTarget);
ShaderIrOperGpr[] coords = new ShaderIrOperGpr[ImageUtils.GetCoordsCountTextureTarget(textureTarget)];
ShaderIrOperGpr operA = opCode.Gpr8();
ShaderIrOperGpr operB = opCode.Gpr20();
ShaderIrOperGpr suffixExtra = opCode.Gpr20();
suffixExtra.Index += 1;
int coordStartIndex = 0;
if (isArray)
{
coordStartIndex++;
coords[coords.Length - 1] = opCode.Gpr8();
}
switch (coords.Length - coordStartIndex)
{
case 1:
coords[0] = opCode.Gpr8();
break;
case 2:
coords[0] = opCode.Gpr8();
coords[0].Index += coordStartIndex;
break;
case 3:
coords[0] = opCode.Gpr8();
coords[0].Index += coordStartIndex;
coords[1] = opCode.Gpr8();
coords[1].Index += 1 + coordStartIndex;
break;
default:
throw new NotSupportedException($"{coords.Length - coordStartIndex} coords textures aren't supported in TEXS");
}
int operBIndex = 0;
ShaderIrOperGpr levelOfDetail = null;
ShaderIrOperGpr offset = null;
ShaderIrOperGpr depthCompare = null;
// OperB is always the last value
// Not applicable to 1d textures
if (coords.Length - coordStartIndex != 1)
{
coords[coords.Length - coordStartIndex - 1] = operB;
operBIndex++;
}
// Encoding of TEXS/TLDS is a bit special and change for 2d textures
// NOTE: OperA seems to hold at best two args.
// On 2D textures, if no suffix need an additional values, Y is stored in OperB, otherwise coords are in OperA and the additional values is in OperB.
if (textureInstructionSuffix != TextureInstructionSuffix.None && textureInstructionSuffix != TextureInstructionSuffix.Lz && textureTarget == GalTextureTarget.TwoD)
{
coords[coords.Length - coordStartIndex - 1] = opCode.Gpr8();
coords[coords.Length - coordStartIndex - 1].Index += coords.Length - coordStartIndex - 1;
operBIndex--;
}
// TODO: Find what MZ does and what changes about the encoding (Maybe Multisample?)
if ((textureInstructionSuffix & TextureInstructionSuffix.Ll) != 0)
{
levelOfDetail = opCode.Gpr20();
levelOfDetail.Index += operBIndex;
operBIndex++;
}
if ((textureInstructionSuffix & TextureInstructionSuffix.AOffI) != 0)
{
offset = opCode.Gpr20();
offset.Index += operBIndex;
operBIndex++;
}
if ((textureInstructionSuffix & TextureInstructionSuffix.Dc) != 0)
{
depthCompare = opCode.Gpr20();
depthCompare.Index += operBIndex;
operBIndex++;
}
int lutIndex;
lutIndex = !opCode.Gpr0().IsConst ? 1 : 0;
lutIndex |= !opCode.Gpr28().IsConst ? 2 : 0;
if (lutIndex == 0)
{
//Both destination registers are RZ, do nothing.
return;
}
bool fp16 = !opCode.Read(59);
int dstIncrement = 0;
ShaderIrOperGpr GetDst()
{
ShaderIrOperGpr dst;
if (fp16)
{
//FP16 mode, two components are packed on the two
//halfs of a 32-bits register, as two half-float values.
int halfPart = dstIncrement & 1;
switch (lutIndex)
{
case 1: dst = opCode.GprHalf0(halfPart); break;
case 2: dst = opCode.GprHalf28(halfPart); break;
case 3: dst = (dstIncrement >> 1) != 0
? opCode.GprHalf28(halfPart)
: opCode.GprHalf0(halfPart); break;
default: throw new InvalidOperationException();
}
}
else
{
//32-bits mode, each component uses one register.
//Two components uses two consecutive registers.
switch (lutIndex)
{
case 1: dst = opCode.Gpr0(); break;
case 2: dst = opCode.Gpr28(); break;
case 3: dst = (dstIncrement >> 1) != 0
? opCode.Gpr28()
: opCode.Gpr0(); break;
default: throw new InvalidOperationException();
}
dst.Index += dstIncrement & 1;
}
dstIncrement++;
return(dst);
}
int chMask = _maskLut[lutIndex, opCode.Read(50, 7)];
if (chMask == 0)
{
//All channels are disabled, do nothing.
return;
}
ShaderIrNode operC = opCode.Imm13_36();
coords = CoordsRegistersToTempRegisters(block, coords);
for (int ch = 0; ch < 4; ch++)
{
if (!IsChannelUsed(chMask, ch))
{
continue;
}
ShaderIrMetaTex meta = new ShaderIrMetaTex(ch, textureTarget, textureInstructionSuffix, coords)
{
LevelOfDetail = levelOfDetail,
Offset = offset,
DepthCompare = depthCompare
};
ShaderIrOp op = new ShaderIrOp(inst, operA, operB, operC, meta);
ShaderIrOperGpr dst = GetDst();
if (dst.IsValidRegister && !dst.IsConst)
{
block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, op)));
}
}
}
private ShaderIrBlock PrintNodes(
ShaderIrBlock Block,
ShaderIrBlock EndBlock,
ShaderIrBlock LoopBlock,
string Identation,
params ShaderIrNode[] Nodes)
{
/*
* Notes about control flow and if-else/loop generation:
* The code assumes that the program has sane control flow,
* that is, there's no jumps to a location after another jump or
* jump target (except for the end of an if-else block), and backwards
* jumps to a location before the last loop dominator.
* Such cases needs to be transformed on a step before the GLSL code
* generation to ensure that we have sane graphs to work with.
* TODO: Such transformation is not yet implemented.
*/
string NewIdent = Identation + IdentationStr;
ShaderIrBlock LoopTail = GetLoopTailBlock(Block);
if (LoopTail != null && LoopBlock != Block)
{
//Shoock! kuma shock! We have a loop here!
//The entire sequence needs to be inside a do-while block.
ShaderIrBlock LoopEnd = GetDownBlock(LoopTail);
PrintBlockScope(Block, LoopEnd, Block, "while (false)", NewIdent, IsDoWhile: true);
return(LoopEnd);
}
foreach (ShaderIrNode Node in Nodes)
{
if (Node is ShaderIrCond Cond)
{
string IfExpr = GetSrcExpr(Cond.Pred, true);
if (Cond.Not)
{
IfExpr = "!(" + IfExpr + ")";
}
if (Cond.Child is ShaderIrOp Op && Op.Inst == ShaderIrInst.Bra)
{
//Branch is a loop branch and would result in infinite recursion.
if (Block.Branch.Position <= Block.Position)
{
SB.AppendLine(Identation + "if (" + IfExpr + ") {");
SB.AppendLine(Identation + IdentationStr + "continue;");
SB.AppendLine(Identation + "}");
continue;
}
string SubScopeName = "if (!" + IfExpr + ")";
PrintBlockScope(Block.Next, Block.Branch, LoopBlock, SubScopeName, NewIdent);
ShaderIrBlock IfElseEnd = GetUpBlock(Block.Branch).Branch;
if (IfElseEnd?.Position > Block.Branch.Position)
{
PrintBlockScope(Block.Branch, IfElseEnd, LoopBlock, "else", NewIdent);
return(IfElseEnd);
}
return(Block.Branch);
}
else
{
SB.AppendLine(Identation + "if (" + IfExpr + ") {");
PrintNodes(Block, EndBlock, LoopBlock, NewIdent, Cond.Child);
SB.AppendLine(Identation + "}");
}
}
public static void Ffma_RR(ShaderIrBlock Block, long OpCode)
{
EmitAluFfma(Block, OpCode, ShaderOper.RR);
}
public static void Fmul_R(ShaderIrBlock Block, long OpCode)
{
EmitAluBinaryF(Block, OpCode, ShaderOper.RR, ShaderIrInst.Fmul);
}
public static void Shr_R(ShaderIrBlock Block, long OpCode)
{
EmitAluBinary(Block, OpCode, ShaderOper.RR, GetShrInst(OpCode));
}
private static void EmitSetp(ShaderIrBlock Block, long OpCode, bool IsFloat, 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.Imm: OperB = GetOperImm19_20(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;
if (IsFloat)
{
OperA = GetAluAbsNeg(OperA, Aa, Na);
OperB = GetAluAbs(OperB, Ab);
CmpInst = GetCmpF(OpCode);
}
else
{
CmpInst = GetCmp(OpCode);
}
ShaderIrOp Op = new ShaderIrOp(CmpInst, OperA, OperB);
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));
}
public static void Texs(ShaderIrBlock Block, long OpCode)
{
EmitTexs(Block, OpCode, ShaderIrInst.Texs);
}
public static void Tex(ShaderIrBlock Block, long OpCode)
{
EmitTex(Block, OpCode, GprHandle: false);
}
public static void Mov_I(ShaderIrBlock Block, long OpCode)
{
ShaderIrOperImm Imm = GetOperImm19_20(OpCode);
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Imm), OpCode));
}
private static void EmitTexs(ShaderIrBlock Block, long OpCode, ShaderIrInst Inst)
{
//TODO: Support other formats.
ShaderIrNode OperA = OpCode.Gpr8();
ShaderIrNode OperB = OpCode.Gpr20();
ShaderIrNode OperC = OpCode.Imm13_36();
int LutIndex;
LutIndex = OpCode.Gpr0().Index != ShaderIrOperGpr.ZRIndex ? 1 : 0;
LutIndex |= OpCode.Gpr28().Index != ShaderIrOperGpr.ZRIndex ? 2 : 0;
if (LutIndex == 0)
{
//Both registers are RZ, color is not written anywhere.
//So, the intruction is basically a no-op.
return;
}
int ChMask = MaskLut[LutIndex, OpCode.Read(50, 7)];
for (int Ch = 0; Ch < 4; Ch++)
{
ShaderIrOperGpr Dst = new ShaderIrOperGpr(TempRegStart + Ch);
ShaderIrMetaTex Meta = new ShaderIrMetaTex(Ch);
ShaderIrOp Op = new ShaderIrOp(Inst, OperA, OperB, OperC, Meta);
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(Dst, Op)));
}
int RegInc = 0;
ShaderIrOperGpr GetDst()
{
ShaderIrOperGpr Dst;
switch (LutIndex)
{
case 1: Dst = OpCode.Gpr0(); break;
case 2: Dst = OpCode.Gpr28(); break;
case 3: Dst = (RegInc >> 1) != 0
? OpCode.Gpr28()
: OpCode.Gpr0(); break;
default: throw new InvalidOperationException();
}
Dst.Index += RegInc++ & 1;
return(Dst);
}
for (int Ch = 0; Ch < 4; Ch++)
{
if (!IsChannelUsed(ChMask, Ch))
{
continue;
}
ShaderIrOperGpr Src = new ShaderIrOperGpr(TempRegStart + Ch);
ShaderIrOperGpr Dst = GetDst();
if (Dst.Index != ShaderIrOperGpr.ZRIndex)
{
Block.AddNode(OpCode.PredNode(new ShaderIrAsg(Dst, Src)));
}
}
}
public static void Fsetp_C(ShaderIrBlock Block, long OpCode)
{
EmitFsetp(Block, OpCode, ShaderOper.CR);
}
private static void EmitTex(ShaderIrBlock block, long opCode, TextureInstructionSuffix textureInstructionSuffix, bool gprHandle)
{
bool isArray = opCode.HasArray();
GalTextureTarget textureTarget = TexToTextureTarget(opCode.Read(28, 6), isArray);
bool hasDepthCompare = opCode.Read(0x32);
if (hasDepthCompare)
{
textureInstructionSuffix |= TextureInstructionSuffix.Dc;
}
ShaderIrOperGpr[] coords = new ShaderIrOperGpr[ImageUtils.GetCoordsCountTextureTarget(textureTarget)];
int indexExtraCoord = 0;
if (isArray)
{
indexExtraCoord++;
coords[coords.Length - 1] = opCode.Gpr8();
}
for (int index = 0; index < coords.Length - indexExtraCoord; index++)
{
ShaderIrOperGpr coordReg = opCode.Gpr8();
coordReg.Index += index;
coordReg.Index += indexExtraCoord;
if (!coordReg.IsValidRegister)
{
coordReg.Index = ShaderIrOperGpr.ZrIndex;
}
coords[index] = coordReg;
}
int chMask = opCode.Read(31, 0xf);
ShaderIrOperGpr levelOfDetail = null;
ShaderIrOperGpr offset = null;
ShaderIrOperGpr depthCompare = null;
// TODO: determine first argument when TEX.B is used
int operBIndex = gprHandle ? 1 : 0;
if ((textureInstructionSuffix & TextureInstructionSuffix.Ll) != 0 ||
(textureInstructionSuffix & TextureInstructionSuffix.Lb) != 0 ||
(textureInstructionSuffix & TextureInstructionSuffix.Lba) != 0 ||
(textureInstructionSuffix & TextureInstructionSuffix.Lla) != 0)
{
levelOfDetail = opCode.Gpr20();
levelOfDetail.Index += operBIndex;
operBIndex++;
}
if ((textureInstructionSuffix & TextureInstructionSuffix.AOffI) != 0)
{
offset = opCode.Gpr20();
offset.Index += operBIndex;
operBIndex++;
}
if ((textureInstructionSuffix & TextureInstructionSuffix.Dc) != 0)
{
depthCompare = opCode.Gpr20();
depthCompare.Index += operBIndex;
operBIndex++;
}
// ???
ShaderIrNode operC = gprHandle
? (ShaderIrNode)opCode.Gpr20()
: (ShaderIrNode)opCode.Imm13_36();
ShaderIrInst inst = gprHandle ? ShaderIrInst.Texb : ShaderIrInst.Texs;
coords = CoordsRegistersToTempRegisters(block, coords);
int regInc = 0;
for (int ch = 0; ch < 4; ch++)
{
if (!IsChannelUsed(chMask, ch))
{
continue;
}
ShaderIrOperGpr dst = opCode.Gpr0();
dst.Index += regInc++;
if (!dst.IsValidRegister || dst.IsConst)
{
continue;
}
ShaderIrMetaTex meta = new ShaderIrMetaTex(ch, textureTarget, textureInstructionSuffix, coords)
{
LevelOfDetail = levelOfDetail,
Offset = offset,
DepthCompare = depthCompare
};
ShaderIrOp op = new ShaderIrOp(inst, coords[0], coords.Length > 1 ? coords[1] : null, operC, meta);
block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, op)));
}
}
public static void Fadd_C(ShaderIrBlock Block, long OpCode)
{
EmitAluBinaryF(Block, OpCode, ShaderOper.CR, ShaderIrInst.Fadd);
}
private static void EmitTld4(ShaderIrBlock block, long opCode, GalTextureTarget textureType, TextureInstructionSuffix textureInstructionSuffix, int chMask, int component, bool scalar)
{
ShaderIrOperGpr operA = opCode.Gpr8();
ShaderIrOperGpr operB = opCode.Gpr20();
ShaderIrOperImm operC = opCode.Imm13_36();
ShaderIrOperGpr[] coords = new ShaderIrOperGpr[ImageUtils.GetCoordsCountTextureTarget(textureType)];
ShaderIrOperGpr offset = null;
ShaderIrOperGpr depthCompare = null;
bool isArray = ImageUtils.IsArray(textureType);
int operBIndex = 0;
if (scalar)
{
int coordStartIndex = 0;
if (isArray)
{
coordStartIndex++;
coords[coords.Length - 1] = operB;
}
switch (coords.Length - coordStartIndex)
{
case 1:
coords[0] = opCode.Gpr8();
break;
case 2:
coords[0] = opCode.Gpr8();
coords[0].Index += coordStartIndex;
break;
case 3:
coords[0] = opCode.Gpr8();
coords[0].Index += coordStartIndex;
coords[1] = opCode.Gpr8();
coords[1].Index += 1 + coordStartIndex;
break;
default:
throw new NotSupportedException($"{coords.Length - coordStartIndex} coords textures aren't supported in TLD4S");
}
if (coords.Length - coordStartIndex != 1)
{
coords[coords.Length - coordStartIndex - 1] = operB;
operBIndex++;
}
if (textureInstructionSuffix != TextureInstructionSuffix.None && textureType == GalTextureTarget.TwoD)
{
coords[coords.Length - coordStartIndex - 1] = opCode.Gpr8();
coords[coords.Length - coordStartIndex - 1].Index += coords.Length - coordStartIndex - 1;
operBIndex--;
}
}
else
{
int indexExtraCoord = 0;
if (isArray)
{
indexExtraCoord++;
coords[coords.Length - 1] = opCode.Gpr8();
}
for (int index = 0; index < coords.Length - indexExtraCoord; index++)
{
coords[index] = opCode.Gpr8();
coords[index].Index += index;
coords[index].Index += indexExtraCoord;
if (coords[index].Index > ShaderIrOperGpr.ZrIndex)
{
coords[index].Index = ShaderIrOperGpr.ZrIndex;
}
}
}
if ((textureInstructionSuffix & TextureInstructionSuffix.AOffI) != 0)
{
offset = opCode.Gpr20();
offset.Index += operBIndex;
operBIndex++;
}
if ((textureInstructionSuffix & TextureInstructionSuffix.Dc) != 0)
{
depthCompare = opCode.Gpr20();
depthCompare.Index += operBIndex;
operBIndex++;
}
coords = CoordsRegistersToTempRegisters(block, coords);
int regInc = 0;
for (int ch = 0; ch < 4; ch++)
{
if (!IsChannelUsed(chMask, ch))
{
continue;
}
ShaderIrOperGpr dst = opCode.Gpr0();
dst.Index += regInc++;
if (!dst.IsValidRegister || dst.IsConst)
{
continue;
}
ShaderIrMetaTex meta = new ShaderIrMetaTex(ch, textureType, textureInstructionSuffix, coords)
{
Component = component,
Offset = offset,
DepthCompare = depthCompare
};
ShaderIrOp op = new ShaderIrOp(ShaderIrInst.Tld4, operA, operB, operC, meta);
block.AddNode(opCode.PredNode(new ShaderIrAsg(dst, op)));
}
}
public static void Isetp_I(ShaderIrBlock Block, long OpCode)
{
EmitIsetp(Block, OpCode, ShaderOper.Imm);
}
private static void EmitIsetp(ShaderIrBlock Block, long OpCode, ShaderOper Oper)
{
EmitSetp(Block, OpCode, false, Oper);
}
private void PrintNode(ShaderIrBlock Block, ShaderIrNode Node, string Identation)
{
if (Node is ShaderIrCond Cond)
{
string IfExpr = GetSrcExpr(Cond.Pred, true);
if (Cond.Not)
{
IfExpr = "!(" + IfExpr + ")";
}
SB.AppendLine(Identation + "if (" + IfExpr + ") {");
PrintNode(Block, Cond.Child, Identation + IdentationStr);
SB.AppendLine(Identation + "}");
}
else if (Node is ShaderIrAsg Asg)
{
if (IsValidOutOper(Asg.Dst))
{
string Expr = GetSrcExpr(Asg.Src, true);
Expr = GetExprWithCast(Asg.Dst, Asg.Src, Expr);
SB.AppendLine(Identation + GetDstOperName(Asg.Dst) + " = " + Expr + ";");
}
}
else if (Node is ShaderIrOp Op)
{
switch (Op.Inst)
{
case ShaderIrInst.Bra:
{
SB.AppendLine(Identation + "return " + GetBlockPosition(Block.Branch) + ";");
break;
}
case ShaderIrInst.Emit:
{
PrintAttrToOutput(Identation);
SB.AppendLine(Identation + "EmitVertex();");
break;
}
case ShaderIrInst.Ssy:
{
string StackIndex = GlslDecl.SsyStackName + "[" + GlslDecl.SsyCursorName + "]";
int TargetPosition = (Op.OperandA as ShaderIrOperImm).Value;
string Target = "0x" + TargetPosition.ToString("x8") + "u";
SB.AppendLine(Identation + StackIndex + " = " + Target + ";");
SB.AppendLine(Identation + GlslDecl.SsyCursorName + "++;");
break;
}
case ShaderIrInst.Sync:
{
SB.AppendLine(Identation + GlslDecl.SsyCursorName + "--;");
string Target = GlslDecl.SsyStackName + "[" + GlslDecl.SsyCursorName + "]";
SB.AppendLine(Identation + "return " + Target + ";");
break;
}
default:
SB.AppendLine(Identation + GetSrcExpr(Op, true) + ";");
break;
}
}
else if (Node is ShaderIrCmnt Cmnt)
{
SB.AppendLine(Identation + "// " + Cmnt.Comment);
}
else
{
throw new InvalidOperationException();
}
}
public static void Fmul_C(ShaderIrBlock Block, long OpCode, int Position)
{
EmitFmul(Block, OpCode, ShaderOper.CR);
}
public static void Exit(ShaderIrBlock Block, long OpCode)
{
Block.AddNode(GetPredNode(new ShaderIrOp(ShaderIrInst.Exit), OpCode));
}
public static void Fset_I(ShaderIrBlock Block, long OpCode, int Position)
{
EmitFset(Block, OpCode, ShaderOper.Immf);
}
public static void Tex_B(ShaderIrBlock Block, long OpCode, int Position)
{
EmitTex(Block, OpCode, GprHandle: true);
}
public static void Hmul2_R(ShaderIrBlock Block, long OpCode, int Position)
{
EmitBinaryHalfOp(Block, OpCode, ShaderIrInst.Fmul);
}
public static void Tlds(ShaderIrBlock Block, long OpCode, int Position)
{
EmitTexs(Block, OpCode, ShaderIrInst.Txlf);
}
public static void Iadd_C(ShaderIrBlock Block, long OpCode, int Position)
{
EmitIadd(Block, OpCode, ShaderOper.CR);
}
public static void I2i_R(ShaderIrBlock Block, long OpCode)
{
EmitI2i(Block, OpCode, ShaderOper.RR);
}