private static int GetNumInputs(D3D10Opcode opcode)
{
switch (opcode)
{
case D3D10Opcode.Frc:
case D3D10Opcode.Mov:
case D3D10Opcode.Rsq:
case D3D10Opcode.Sqrt:
case D3D10Opcode.SinCos:
return(1);
case D3D10Opcode.Add:
case D3D10Opcode.Dp2:
case D3D10Opcode.Dp3:
case D3D10Opcode.Dp4:
case D3D10Opcode.Max:
case D3D10Opcode.Min:
case D3D10Opcode.Mul:
return(2);
case D3D10Opcode.Mad:
return(3);
default:
throw new NotImplementedException();
}
}
private D3D10Instruction ReadInstruction()
{
uint opcodeToken = ReadUInt32();
D3D10Opcode opcode = (D3D10Opcode)(opcodeToken & 0x7FF);
int operandCount = (int)((opcodeToken >> 24) & 0x7F) - 1;
bool isExtended = (opcodeToken & 0x80000000) != 0;
if (isExtended)
{
throw new NotImplementedException();
}
uint[] operandTokens = new uint[operandCount];
for (int i = 0; i < operandCount; i++)
{
operandTokens[i] = ReadUInt32();
}
var instruction = new D3D10Instruction(opcode, operandTokens);
return(instruction);
}
public D3D10Instruction(D3D10Opcode opcode, uint[] paramTokens)
{
Opcode = opcode;
OperandTokens = new D3D10OperandTokenCollection(paramTokens);
}