private static IEnumerable <RegisterComponentKey> GetDestinationKeys(InstructionToken instruction)
{
int index = instruction.GetDestinationParamIndex();
RegisterKey registerKey = instruction.GetParamRegisterKey(index);
if (registerKey.Type == RegisterType.Sampler)
{
yield break;
}
ComponentFlags mask = instruction.GetDestinationWriteMask();
for (int component = 0; component < 4; component++)
{
if ((mask & (ComponentFlags)(1 << component)) == 0)
{
continue;
}
yield return(new RegisterComponentKey(registerKey, component));
}
}
