PFNGLGETTEXTURELEVELPARAMETERIVEXTPROC typedef
        PFNGLGETTEXTURELEVELPARAMETERIVEXTPROC =
     Void Function(Uint32 texture, Uint32 target, Int32 level, Uint32 pname, Pointer<Int32>  params)
    
    
    
Implementation
typedef PFNGLGETTEXTURELEVELPARAMETERIVEXTPROC =
    Void Function(
      Uint32 texture,
      Uint32 target,
      Int32 level,
      Uint32 pname,
      Pointer<Int32> params,
    );