POV-Ray : Newsgroups : povray.general : Why not take advantage? Server Time
16 Nov 2024 07:13:25 EST (-0500)
  Why not take advantage? (Message 1 to 4 of 4)  
From: Rene Horn
Subject: Why not take advantage?
Date: 9 Oct 1998 04:05:44
Message: <361DB658.A36CEC60@milwaukee.crosswinds.net>
Why doesn't the POV Team ever take advantage of things such as 3d
accelerating hardware like Voodoo2 and D3D or 3d accelerating software
like OpenGL and Direct3D?  Wouldn't it run faster?


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From: Lewis Sellers
Subject: Re: Why not take advantage?
Date: 9 Oct 1998 04:23:17
Message: <361DB9FE.D623CC4E@usit.net>
Rene Horn wrote:
> 
> Why doesn't the POV Team ever take advantage of things such as 3d
> accelerating hardware like Voodoo2 and D3D or 3d accelerating software
> like OpenGL and Direct3D?  Wouldn't it run faster?

A little as far as displaying the renders. Not much else though.
Completely different things. Most 3d accel cards focus on the rapid
manipulation of textures essentially plastered on 3d wireframes. Very
dif than raytracing.

A 3d accel card is pretty useless to povray.



-- 
Lewis A. Sellers: writer and contract Multimedia Website Developer
mailto:lse### [at] usitnet (The Fourth Millennium Foundation)
http://www.public.usit.net/lsellers/ & http://www.intrafoundation.com
http://brain-of-pooh.tech-soft.com/users/critters/bios/sellers_lewis.html

You can bug the living bejesus out of me live on ICQ @ 491461
(If I don't get back to you within a month, I'm out of prozac in some
dark corner somewhere screaming things quite unintelligable but -- most
curiously -- thick with a sumerian accent.)

"The comedy is over" -i pagliacci


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From: Lewis Sellers
Subject: Re: Why not take advantage?
Date: 9 Oct 1998 04:30:00
Message: <361DBB91.7E5E3C01@usit.net>
Lewis Sellers wrote:
> 
> Rene Horn wrote:
> >
> > Why doesn't the POV Team ever take advantage of things such as 3d
> > accelerating hardware like Voodoo2 and D3D or 3d accelerating software
> > like OpenGL and Direct3D?  Wouldn't it run faster?
> 
> A little as far as displaying the renders. Not much else though.
> Completely different things. Most 3d accel cards focus on the rapid
> manipulation of textures essentially plastered on 3d wireframes. Very
> dif than raytracing.
> 
> A 3d accel card is pretty useless to povray.

All that said, they might make for a decent "dirty preview" mode, where
you could move a shaded/textured model around and choose camera
positions, etc etc. Perhaps.

-- 
Lewis A. Sellers: writer and contract Multimedia Website Developer
mailto:lse### [at] usitnet (The Fourth Millennium Foundation)
http://www.public.usit.net/lsellers/ & http://www.intrafoundation.com
http://brain-of-pooh.tech-soft.com/users/critters/bios/sellers_lewis.html

You can bug the living bejesus out of me live on ICQ @ 491461
(If I don't get back to you within a month, I'm out of prozac in some
dark corner somewhere screaming things quite unintelligable but -- most
curiously -- thick with a sumerian accent.)

"The comedy is over" -i pagliacci


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From: Roland Mas
Subject: Re: Why not take advantage?
Date: 9 Oct 1998 04:59:43
Message: <m3u31ew4ea.fsf@rpc66.acr.atr.co.jp>
Lewis Sellers <lse### [at] usitnet> writes:

> All that said, they might make for a decent "dirty preview" mode, where
> you could move a shaded/textured model around and choose camera
> positions, etc etc. Perhaps.

  Except that you'd have to tesselate every single object in your scene
into triangles and transform every single procedural texture into an image
mapping.  That would add a huuuge amount of code into POV-Ray.  And would
use sooo much time at run-time that the raytracing might just as well be
faster than the transformation itself.  Well, I suppose.

Roland.
-- 
Les francophones m'appellent Roland Mas,
English speakers call me Rowlannd' Mass,
Nihongode hanasu hitoha [Lolando Masu] to iimasu.
Choisissez ! Take your pick ! Erande kudasai !


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