As Jasper said, you write a library to manage GL state for you, rather than calling GL functions directly to manage state (like glEnable and glDisable, among co

As Jasper said, you write a library to manage GL state for you, rather than calling GL functions directly to manage state (like glEnable and glDisable, among countless others). The risk is simply that you will forget to change things back and one drawing operation will accidentally affect the next.