private void GenInst3(ShaderProgram Program, uint InstOp)
{
ShaderOpCode OpCode = (ShaderOpCode)(InstOp >> 26);
ShaderInst3 Inst = new ShaderInst3(InstOp);
switch (OpCode)
{
case ShaderOpCode.IfU: GenIfU(Program, Inst); break;
case ShaderOpCode.CallU: GenCallU(Program, Inst); break;
case ShaderOpCode.Loop: GenLoop(Program, Inst); break;
case ShaderOpCode.JmpU: GenJmpU(Program, Inst); break;
}
}
private void GenLoop(ShaderProgram Program, ShaderInst3 Inst)
{
ShaderUniformVec4 Uniform = Program.IVec4Uniforms[Inst.RegId & 3];
string IUName = IVec4UniformNames[Inst.RegId & 3];
string ALStart;
string ALCond;
string ALInc;
if (Uniform.IsConstant)
{
ALStart = $"{ALRegName} = {(byte)Uniform.Constant.Y}";
ALCond = $"{ALRegName} <= {(byte)Uniform.Constant.X}";
ALInc = $"{ALRegName} += {(byte)Uniform.Constant.Z}";
}
else
{
ALStart = $"{ALRegName} = {IUName}.y";
ALCond = $"{ALRegName} <= {IUName}.x";
ALInc = $"{ALRegName} += {IUName}.z";
}
Append($"for ({ALStart}; {ALCond}; {ALInc}) {{");
string OldIdent = Ident;
Ident += "\t";
while (IP + 1 <= Inst.Dest)
{
GenInst(Program, SHBin.Executable[++IP]);
}
Ident = OldIdent;
Append("}");
}
private void GenJmpU(ShaderProgram Program, ShaderInst3 Inst)
{
GenJmp(Program, GetBoolCond(Program, Inst.RegId, (Inst.Count & 1) == 0), Inst.Dest);
}
private void GenIfU(ShaderProgram Program, ShaderInst3 Inst)
{
GenIf(Program, GetBoolCond(Program, Inst.RegId), Inst.Dest, Inst.Count);
}
private void GenCallU(ShaderProgram Program, ShaderInst3 Inst)
{
Append($"if ({GetBoolCond(Program, Inst.RegId)}) {GetCall(Program, Inst.Dest, Inst.Count)}");
}
