Optionalminthe floor stepping down never crosses; defaults to 1
Optionaloverconsecutive over-budget frames before one step down; defaults to 60
Optionalstepratio lost per step down (and regained per step up); defaults to 0.25
Optionaltargetframes per second the game budgets for; defaults to 60
Optionalunderconsecutive under-budget frames before one step up; defaults to 600 (cautious)
the ratio a fresh scaler starts at: the device-fitted ratio from
fitResolution