PFNGLTEXIMAGE2DPROCDart typedef
        PFNGLTEXIMAGE2DPROCDart =
     void Function(int target, int level, int internalFormat, int width, int height, int border, int format, int type, Pointer<NativeType>  pixels)
    
    
    
Implementation
typedef PFNGLTEXIMAGE2DPROCDart =
    void Function(
      int target,
      int level,
      int internalFormat,
      int width,
      int height,
      int border,
      int format,
      int type,
      Pointer<NativeType> pixels,
    );