PFNGLSHADINGRATESAMPLEORDERCUSTOMNVPROCDart typedef
        PFNGLSHADINGRATESAMPLEORDERCUSTOMNVPROCDart =
     void Function(int rate, int samples, Pointer<Int32>  locations)
    
    
    
Implementation
typedef PFNGLSHADINGRATESAMPLEORDERCUSTOMNVPROCDart =
    void Function(int rate, int samples, Pointer<Int32> locations);