The following list contains the functions that get state information.
For a list of the reference pages for the state variables, see OpenGL State Variables.
glGet
glGetBooleanv
glGetClipPlane
glGetDoublev
glGetError
glGetFloatv
glGetIntegerv
glIsEnabled
glGetLight
glGetMap
glGetMaterial
glGetPixelMap
glGetPolygonStipple
glGetString
glGetTexEnv
glGetTexGen
glGetTexImage
glGetTexLevelParameter
glGetTexParameter
glPopAttrib
glPushAttrib