Re: Optimization ideas (was Re: 64 bit version of Quesa)

[James W. <ja...@fr...>]

James Walker wrote:
> I was looking at the view state stack, and wondered if we really need 
> the attributeSet member of TQ3ViewStackItem.  It causes a 
> Q3Object_Duplicate call every time we push the stack, and it looks like 
> it's only there to support Q3View_GetAttributeState and 
> Q3View_GetAttributeSetState.  Internally, we only call 
> Q3View_GetAttributeSetState when writing view hints, and never call 
> Q3View_GetAttributeState.  So I would think that whenever 
> Q3View_GetAttributeState or Q3View_GetAttributeSetState is called, we 
> could just build an attribute set on the fly from the various attribute 
> members of TQ3ViewStackItem.  Anyone see a problem with that?

OK, I've checked in a version of E3View.c in which attributeSet is gone, 
  and I saw about a 3% increase in frame rate for the Multibox test in 
Geom Test.
-- 
   James W. Walker, Innoventive Software LLC
   <http://www.frameforge3d.com/>