OpenGL State Machine State system(or state machine) o a graphics system that maintains a list for the current values of attributes and other parameters(state variables or state parameters) We assign a value to one or more state parameters, that is, we put the system into a certain state o The state will be persistent until we change the value of a state arameter to change to change State 3 State 1 State 2 to changeOpenGL State Machine 4 State 1 …… State 2 to change  State system (or state machine)  A graphics system that maintains a list for the current values of attributes and other parameters (state variables or state parameters).  We assign a value to one or more state parameters, that is, we put the system into a certain state.  The state will be persistent until we change the value of a state parameter. to change to change State 3