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Graphics > OpenGL 3D API > Re: drawing ele...
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Re: drawing elements: why only one index buffer

by sheam <shea08@[EMAIL PROTECTED] > May 21, 2008 at 11:24 PM

fungus wrote:
> On May 21, 4:38 am, sheam <she...@[EMAIL PROTECTED]
> wrote:
>> Is there not a way to have a index buffer
>> for verts-coords, and normals seperately?
>>
> 
> No.
> 
>> Is there a technical reason? (i.e, h/w limations)
>>
> 
> The hardware doesn't do it because it isn't required
> by the API. :-)
> 
> And... having each vertex as a separate packet of
> data optimizes much better inside the chip (you
> should also interleave the arrays if you want best
> performance).
> 
> 
> --
> <\___/>
> / O O \
> \_____/  FTB.     Remove my socks for email address.

Thanks, that is the answer I was looking for.
~S
 




 10 Posts in Topic:
drawing elements: why only one index buffer
sheam <shea08@[EMAIL P  2008-05-21 02:38:47 
Re: drawing elements: why only one index buffer
fungus <openglMYSOCKS@  2008-05-20 19:52:38 
Re: drawing elements: why only one index buffer
sheam <shea08@[EMAIL P  2008-05-21 23:24:03 
Re: drawing elements: why only one index buffer
Wolfgang Draxinger <wd  2008-05-21 10:49:27 
Re: drawing elements: why only one index buffer
sheam <shea08@[EMAIL P  2008-05-21 23:32:01 
Re: drawing elements: why only one index buffer
Wolfgang Draxinger <wd  2008-05-22 02:55:23 
Re: drawing elements: why only one index buffer
sheam <shea08@[EMAIL P  2008-05-22 04:21:26 
Re: drawing elements: why only one index buffer
Wolfgang Draxinger <wd  2008-05-23 01:20:32 
Re: drawing elements: why only one index buffer
"jbwest" <jb  2008-05-21 17:55:50 
Re: drawing elements: why only one index buffer
fungus <openglMYSOCKS@  2008-05-21 17:58:30 

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