Re: View stack state

[James W. W. <os...@jw...>]

On Apr 18, 2004, at 1:48 PM, Dair Grant wrote:

> James W. Walker wrote:
>
>> It appears that the stackState->stackState member of the view stack
>> frame always has the value kQ3ViewStateAll, which means that all
>> sorts of OpenGL state gets reset every time you pop the stack.  Was
>> there some unfinished plan to make this behave more sensibly?
>
> Hmm, yes, you're right - looks like that never got finished off.
>
> The idea was to be able to keep track of what's changed at each level 
> of
> the stack, so that when we pop the stack we're able to update only 
> those
> bits of state which actually changed in the corresponding push.
>
> But at the moment we start it off as kQ3ViewStateAll, and never keep
> track of things as they're added: so end up with clearing everything on
> each pop.
>
> Do you want to fix it up to work properly, or log a bug so that we know
> it could be improved?

I'll see if I can fix it.  If I don't get it done soon, I'll file a bug.
--
<http://www.jwwalker.com/>