BIND_APERTURE
if (memory == NULL || (memory->flags & BIND_APERTURE) == 0)
if ((memory->flags & BIND_APERTURE) == 0)
memory->flags &= ~BIND_APERTURE;
memory->flags &= ~BIND_APERTURE;
memory->flags |= BIND_APERTURE;
memory->flags |= BIND_APERTURE;