PFNGLREADPIXELSPROC typedef
        PFNGLREADPIXELSPROC =
     Void Function(Int32 x, Int32 y, Uint32 width, Uint32 height, Uint32 format, Uint32 type, Pointer<NativeType>  pixels)
    
    
    
Implementation
typedef PFNGLREADPIXELSPROC =
    Void Function(
      Int32 x,
      Int32 y,
      Uint32 width,
      Uint32 height,
      Uint32 format,
      Uint32 type,
      Pointer<NativeType> pixels,
    );