Replace what is on screen only with something better: a pass for the
same view with more points, or a COMPLETE pass for a newer view. A newer
view's partial pass waits, so the screen never trades a full picture for
a half-loaded one; a stale view never replaces a newer one.
Replace what is on screen only with something better: a pass for the same view with more points, or a COMPLETE pass for a newer view. A newer view's partial pass waits, so the screen never trades a full picture for a half-loaded one; a stale view never replaces a newer one.