PFNGLCONVOLUTIONPARAMETERIVEXTPROCDart typedef
        PFNGLCONVOLUTIONPARAMETERIVEXTPROCDart =
     void Function(int target, int pname, Pointer<Int32>  params)
    
    
    
Implementation
typedef PFNGLCONVOLUTIONPARAMETERIVEXTPROCDart =
    void Function(int target, int pname, Pointer<Int32> params);