gluQuadricCallback()
NAME
gluQuadricCallback − define a callback for a quadrics object
SYNOPSIS
void gluQuadricCallback(
GLUquadric∗ quad,
GLenum which,
GLvoid (∗CallBackFunc) );
PARAMETERS
quad
Specifies the quadrics object (created with gluNewQuadric()).
which
Specifies the callback being defined. The only valid value is GLU_ERROR.
CallBackFunc
Specifies the function to be called.
DESCRIPTION
gluQuadricCallback() is used to define a new callback to be used by a quadrics object. If the specified callback is already defined, then it is replaced. If CallBackFunc is NULL, then any existing callback is erased.
The one legal callback is GLU_ERROR:
GLU_ERROR
The function is called when an error is encountered. Its single argument is of type GLenum, and it indicates the specific error that occurred. Character strings describing these errors can be retrieved with the gluErrorString() call.