[PD] Re: [PD-announce] Dynamics patch on pure-data

[cyrille henry]

hello chris,

> 
> The rest of the patch spends it's time in curve3d, which I've known to 
> be fairly inefficient for some time due to the fact that the GL drivers 
> actually create the geometry using the CPU and not GPU.  I don't know of 
> an easier way to get the same results other than glEvaluators but it 
> might be possible to re-implement things as vertex arrays and use some 
> Alitvec or possibly even do some sort of shader.  I think the RedBook 
> has the underlying math in the NURBS chapter.

I'm volontier for trying to reimplement it with vertex array...
well, I don't know how long it will take me to compile vertex array 
stuff, but I'd like to try...

what is the current state of developement of the vertex array 
implementation?

may I  have a copy of your version?

thanks,

cyrille


> 
> cgc
> 
> 
> On Mar 16, 2004, at 4:01 PM, cyrille henry wrote:
> 
>> hello ben,
>>
>> great patch!
>>
>> On my computer, I nead to slow down to 20 fps :-(
>> (radeon 9000)
>>
>> cyrille
>>
>>
>> ben at ekran.org wrote:
>>
>>> Hey all,
>>> Here is a little(big) patch I made with pmpd.
>>> http://pure-data.iem.at/Members/bbogart/dynamics/view
>>> Requires pmpd (beta 5), gem888 and a fast machine.
>>> (uses 90% of my 1.25Ghz g4 w/ radeon 9600)
>>> 1. Create the window
>>> 2. start the pmpd metro
>>> 3. move mouse around inside gemwin.
>>> Hope you have fun.
>>> Ben
>>> _______________________________________________
>>> PD-announce mailing list
>>> PD-announce at iem.at
>>> http://iem.at/cgi-bin/mailman/listinfo/pd-announce
>>
>>
>>
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> 
> 
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