private void GenInst1u(ShaderProgram Program, uint InstOp)
{
ShaderOpCode OpCode = (ShaderOpCode)(InstOp >> 26);
ShaderInst1 Inst = new ShaderInst1(InstOp);
string Dest = GetDstReg(Program, Inst.Dest);
string Src1 = GetSrcReg(Program, Inst.Src1, Inst.Idx1);
SHBin.GetSwizzles(
Inst.Desc,
out string SDst,
out string[] SSrc,
out string[] SSrcM);
string[] Signs = SHBin.GetSrcSigns(Inst.Desc);
Src1 = Signs[0] + Src1;
switch (OpCode)
{
case ShaderOpCode.Ex2:
Append($"{Dest}.{SDst} = exp2({Src1}.{SSrcM[0]});");
break;
case ShaderOpCode.Lg2:
Append($"{Dest}.{SDst} = log2({Src1}.{SSrcM[0]});");
break;
case ShaderOpCode.LitP:
GenLitP(Src1, Dest);
break;
case ShaderOpCode.Flr:
Append($"{Dest}.{SDst} = floor({Src1}.{SSrcM[0]});");
break;
case ShaderOpCode.Rcp:
Append($"{Dest}.{SDst} = {GetVecCtor("1", SDst.Length)} / {Src1}.{SSrcM[0]};");
break;
case ShaderOpCode.RSq:
Append($"{Dest}.{SDst} = inversesqrt({Src1}.{SSrcM[0]});");
break;
case ShaderOpCode.MovA:
GenMovA(Src1, SSrcM[0], SDst);
break;
case ShaderOpCode.Mov:
Append($"{Dest}.{SDst} = {Src1}.{SSrcM[0]};");
break;
}
}
private void GenInst1(ShaderProgram Program, uint InstOp)
{
ShaderOpCode OpCode = (ShaderOpCode)(InstOp >> 26);
ShaderInst1 Inst = new ShaderInst1(InstOp);
string Dest = GetDstReg(Program, Inst.Dest);
string Src1 = GetSrcReg(Program, Inst.Src1, Inst.Idx1);
string Src2 = GetSrcReg(Program, Inst.Src2);
SHBin.GetSwizzles(
Inst.Desc,
out string SDst,
out string[] SSrc,
out string[] SSrcM);
string[] Signs = SHBin.GetSrcSigns(Inst.Desc);
Src1 = Signs[0] + Src1;
Src2 = Signs[1] + Src2;
switch (OpCode)
{
case ShaderOpCode.Add:
Append($"{Dest}.{SDst} = {Src1}.{SSrcM[0]} + {Src2}.{SSrcM[1]};");
break;
case ShaderOpCode.DP3:
GenDP3(Src1, Src2, SSrc[0], SSrc[1], Dest, SDst);
break;
case ShaderOpCode.DP4:
Append($"{Dest}.{SDst} = {GetVecCtor($"dot({Src1}.{SSrc[0]}, {Src2}.{SSrc[1]})", SDst.Length)};");
break;
case ShaderOpCode.DPH:
GenDPH(Src1, Src2, SSrc[0], SSrc[1], Dest, SDst);
break;
case ShaderOpCode.Dst:
Append($"{Dest} = vec4(1, {Src1}.y * {Src1}.y, {Src1}.z, {Src2}.w);");
break;
case ShaderOpCode.Mul:
Append($"{Dest}.{SDst} = {Src1}.{SSrcM[0]} * {Src2}.{SSrcM[1]};");
break;
case ShaderOpCode.SGE:
GenSGE(Src1, Src1, SSrcM[0], SSrcM[1], Dest, SDst);
break;
case ShaderOpCode.SLT:
GenSLT(Src1, Src1, SSrcM[0], SSrcM[1], Dest, SDst);
break;
case ShaderOpCode.Max:
Append($"{Dest}.{SDst} = max({Src1}.{SSrcM[0]}, {Src2}.{SSrcM[1]});");
break;
case ShaderOpCode.Min:
Append($"{Dest}.{SDst} = min({Src1}.{SSrcM[0]}, {Src2}.{SSrcM[1]});");
break;
}
}
