private void DeallocateHandles()
{
// TODO
//spr_coll_buf_handle.Free();
//fore_mask_buf_handle.Free();
//text_chunky_buf_handle.Free();
//spr_data_handle.Free();
//spr_draw_data_handle.Free();
// TODO
//ExpTable_handle.Free();
//MultiExpTable_handle.Free();
}
