PFNGLCONVOLUTIONFILTER2DPROCDart typedef
        PFNGLCONVOLUTIONFILTER2DPROCDart =
     void Function(int target, int internalformat, int width, int height, int format, int type, Pointer<NativeType>  image)
    
    
    
Implementation
typedef PFNGLCONVOLUTIONFILTER2DPROCDart =
    void Function(
      int target,
      int internalformat,
      int width,
      int height,
      int format,
      int type,
      Pointer<NativeType> image,
    );