cgGetStateValidateCallback

> # NAME

> cgGetStateValidateCallback - get the state validation callback function for a state

> # SYNOPSIS

>       #include <Cg/cg.h>

>       CGstatecallback cgGetStateValidateCallback( CGstate state );

> # PARAMETERS

> state

>   The state from which to retrieve the callback.

> # RETURN VALUES

> Returns a pointer to the state validateting callback function.

> Returns NULL if state is not a valid state or if it has no callback.

> # DESCRIPTION

> cgGetStateValidateCallback returns the callback function used for validating the state when the given state is encountered in a pass in a technique. See cgSetStateCallbacks and cgCallStateValidateCallback for more information.

> # EXAMPLES

> to-be-written

> # ERRORS

> CG_INVALID_STATE_HANDLE_ERROR is generated if state is not a valid state.

> # HISTORY

> cgGetStateValidateCallback was introduced in Cg 1.4.

> # SEE ALSO

> cgSetStateCallbacks, cgCallStateValidateCallback, cgValidateTechnique