Re: [Algorithms] BSP tree, or what?

[Stefan S. <kef...@gm...>]

I find that reasoning pretty silly..
Wherever you gain performance(or rather, reduce cost), it's a win..
Naturally you cap your framerate at something, usually 30-60 fps, that 
doesn't mean that you wont benefit from a solution that
is capable of 4 times that framerate if you let it loose. Just spend 
that time doing something else..
Most graphics artists & designers would massage you daily if you told 
them you figured out a way for them to
have twice the amount of <something> in the game...

Megan Fox wrote:
> While this is true, do keep in mind that occluder fusion isn't
> necessarily going to win you anything you actually want.  Consider the
> case where a collection of trees, viewed just so, occludes 80% of the
> scene, netting you a significant performance boost.  This is a bad
> thing, not a good thing - because players respond better to a
> consistently mediocre framerate than they do to a framerate that
> spikes massively and inconsistently.
>
> I'm all for occlusion where it makes sense (big city buildings, big
> houses, large walls), but most of the places where occluders make
> sense are probably also places where individual objects are big enough
> to just be modelled with occluders built in - no need for fusion.  The
> usual example of "and we can take this group of people / cars and
> occlude everything behind it!" tends to be a plain bad idea, unless
> you're in the unlikely situation of having a game in which you're
> absolutely always surrounded by a mass of (something indistinct).
>
>   
>> All of those mechanisms can be improved, from a rasterization point of
>> view, by adding dynamic occluders (ideally with occluder fusion). I know
>> that the IHVs say that their cards are efficient enough that you
>> shouldn't bother, but that's only true for the "GTX" versions -- the
>> 64-bit versions that end up in the laptops that most of the buying
>> public are buying, are still very fill rate sensitive.
>>
>> Sincerely,
>>
>> jw
>>
>>
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