PFNGLTEXTUREIMAGE2DEXTPROC typedef
        PFNGLTEXTUREIMAGE2DEXTPROC =
     Void Function(Uint32 texture, Uint32 target, Int32 level, Int32 internalformat, Uint32 width, Uint32 height, Int32 border, Uint32 format, Uint32 type, Pointer<NativeType>  pixels)
    
    
    
Implementation
typedef PFNGLTEXTUREIMAGE2DEXTPROC =
    Void Function(
      Uint32 texture,
      Uint32 target,
      Int32 level,
      Int32 internalformat,
      Uint32 width,
      Uint32 height,
      Int32 border,
      Uint32 format,
      Uint32 type,
      Pointer<NativeType> pixels,
    );