PFNGLGETNSEPARABLEFILTERARBPROCDart typedef
        PFNGLGETNSEPARABLEFILTERARBPROCDart =
     void Function(int target, int format, int type, int rowBufSize, Pointer<NativeType>  row, int columnBufSize, Pointer<NativeType>  column, Pointer<NativeType>  span)
    
    
    
Implementation
typedef PFNGLGETNSEPARABLEFILTERARBPROCDart =
    void Function(
      int target,
      int format,
      int type,
      int rowBufSize,
      Pointer<NativeType> row,
      int columnBufSize,
      Pointer<NativeType> column,
      Pointer<NativeType> span,
    );