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 :
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gluQuadricCallback: man2/gluQuadricCallback.xml
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 :