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Old 26th Feb 2013, 09:55   #1
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AMD unveils TressFX Hair simulation technology

Helps Lara Croft gets the salon look.
http://www.bit-tech.net/news/hardwar.../amd-tressfx/1
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Old 26th Feb 2013, 10:36   #2
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I hope this wont be an exclusive to head hair - i want my muscly shirtless soldier to proudly boast some realistic chest hair too!
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Old 26th Feb 2013, 10:39   #3
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I was thinking other hair....
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Old 26th Feb 2013, 11:01   #4
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sorry, my soldier waxes below
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Old 26th Feb 2013, 11:05   #5
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2 posts to get to smut lol.
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Old 26th Feb 2013, 11:09   #6
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Fully expect it to be exclusive and driver dependant/controlled, much like physx is on Nvidia cards, theres no reason it couldn't run on AMD cards, but both want a competitive advantage. Why should AMD enable this on Nvidia cards whilst Nvidia don't enable their tech they put their R&D time into on AMD cards.

There is a cost to developing these technologies and they recoup by shifting boxes.
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Old 26th Feb 2013, 11:14   #7
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On a more serious note, i would have expected a video showing it off not just stills.
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Old 26th Feb 2013, 11:21   #8
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nVidia has those fancy hair-stuff for some time now, but noone has really implemented it into their games, so why should anyone consider the solution made by AMD? Maybe because the new consoles have an impact on this with their AMD-hardware.

In general: old news is old.
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Old 26th Feb 2013, 11:37   #9
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Is it really "worth it"
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Old 26th Feb 2013, 11:40   #10
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Pity there isn't a video.

This is actually something I think could potentially be really good (if it's well implemented and widely used) since hair is something that normally really does remind you you're playing a game.
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Old 26th Feb 2013, 11:42   #11
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Quote:
Originally Posted by Lenderz View Post
Why should AMD enable this on Nvidia cards whilst Nvidia don't enable their tech they put their R&D time into on AMD cards.
But Nvidia's implementation of PhysX is written in CUDA, which (given they hired the guy who invented it) only works on Nvidia hardware; TressFX Hair, by contrast, is written in DirectCompute, which works on both Nvidia and AMD hardware. Thus there is a technical reason (born, admittedly, of a marketing decision) for PhysX to run exclusively on Nvidia hardware that does not exist for TressFX Hair.
Quote:
Originally Posted by jrs77 View Post
nVidia has those fancy hair-stuff for some time now, but noone has really implemented it into their games, so why should anyone consider the solution made by AMD?
Well then AMD is ahead of the game, 'cos they've already got one win in the bag: as the article states, Tomb Raider features TressFX Hair technology.
Quote:
Originally Posted by jrs77 View Post
In general: old news is old.
Given AMD only announced this late last night, after teasing a couple of hints a day or so ago, I'm curious as to how you're categorising this as "old news." I should be building a time machine and bringing you news from next week, perhaps?
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Old 26th Feb 2013, 12:14   #12
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Realistic P0RN game anyone? Puhlease?! Pretty please?!
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Old 26th Feb 2013, 13:29   #13
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what can pics show u of realistic hair??? thats like showing u realistic gravity and physics with pics. ai
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Old 26th Feb 2013, 13:56   #14
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Just received confirmation from AMD: TressFX Hair is compatible with any DirectX11 GPU, including those made by Nvidia. I thought as much - what a cleverly-worded press release!
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Old 26th Feb 2013, 14:38   #15
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Quote:
Originally Posted by Gareth Halfacree
Just received confirmation from AMD: TressFX Hair is compatible with any DirectX11 GPU, including those made by Nvidia. I thought as much - what a cleverly-worded press release!
That is great news to be honest, it would be beneficial to consumers if both NVidia and AMD shared software tech more.
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Old 26th Feb 2013, 15:12   #16
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Just updated the update - as well as word from an unnamed spokesperson (Pro Tip: if a journalist quotes a "company spokesperson," what they actually mean is "PR person from a third-party outfit hired to represent the company" - but don't tell anyone I told you that, it's a secret) I've received the following from Devon Nekechuck, AMD's terribly genial product manager for the High-End Discrete Desktop Graphics division:
Quote:
Originally Posted by Devon Nekechuck
TressFX will definitely work on any DirectCompute-enabled device. This has roots in the core of Gaming Evolved, where we want to enable technology for all gamers, and not create proprietary features that lock out gamers that use our competitor's products. That said, TressFX is very computationally intensive, and hence games that use TressFX will really be able to benefit from high DirectCompute performance. Because of that, you will see Graphics Core Next-based GPUs excel when it's enabled.
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Old 26th Feb 2013, 15:34   #17
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Quote:
Originally Posted by Gareth Halfacree View Post
Given AMD only announced this late last night, after teasing a couple of hints a day or so ago, I'm curious as to how you're categorising this as "old news." I should be building a time machine and bringing you news from next week, perhaps?
It's old because nVidia is showcasing this technology for over a year now.

AMD must have paid alot of money to get this implemented into Tomb Raider, or it's because of the new consoles using AMD-hardware.
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Old 26th Feb 2013, 15:43   #18
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Quote:
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It's old because nVidia is showcasing this technology for over a year now.
No, Nvidia hasn't been showcasing anything like this. You show me a single DirectCompute-powered hair rendering engine released by Nvidia. Go ahead. I'll wait here.

Now, what Nvidia *did* release a couple of years back - and the release that, I believe, has you confused - was a demo of a hair-rendering engine. This engine was not available to developers as a plug-in they could add to their games, and nor was it new even then: Nvidia has been working on realistic hair rendering for years. Heck, here's a SIGGRAPH paper from 2008 all about the subject.

Compare and contrast with AMD, which has released a working hair rendering engine that is compatible with all DirectCompute-enabled graphics cards and can be licensed right damn now for inclusion into a game - hence its appearance in Tomb Raider.

That is what we in the business call 'news.'
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Old 26th Feb 2013, 16:23   #19
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Quote:
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what can pics show u of realistic hair??? thats like showing u realistic gravity and physics with pics. ai
Yeah they really need to release a video of it in "action".
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Old 26th Feb 2013, 18:15   #20
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glad to see it's not going to be an exclusive. Nvidia's PhysX was a great graphics feature that almost no one has used since mirrors edge because it was proprietary, developers don't want to invest time in a feature only half of their fans will be able to use.
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amd, crystal dynamics, directcompute, directx, hair simulation, radeon, radeon hd, real-time rendering, square enix, tressfx, tressfx hair

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