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AMD Working on Tress FX 2.0 - Grass and Fur
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-Tj-
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Default AMD Working on Tress FX 2.0 - Grass and Fur - 11-12-2013, 18:39 | posts: 7,373 | Location: Urban`Jungle

Quote:
Tress FX 2.0 will have better integration into games and even less of a frame hit. Tomb Raider had quite a phenomenal frame hit with Tress FX turned on and for some this negated the advantage of the same. With Tress FX 2.0 we should expect about the same graphical capability as Tress FX (Original) and less performance cost.


“TressFX is AMD’s realistic hair rendering technology which renders and simulates the physics of thousands of individual strands of hair. It was first used in Crystal Dynamic’s Tomb Raider, released earlier this year. Now AMD is introducing TressFX 2.0, a newer version of TressFX with better performance and easier integration into games. Additionally research is now being done to use TressFX for other things besides hair, like grass and fur. In this talk we will cover how TressFX rendering and physics works, the improvements made in TressFX 2.0, and the research which will be used in future products.”
http://www.guru3d.com/news_story/tre...s_physics.html

original source, but doesnt work atm:http://www.neogaf.com/forum/showthread.php?t=713230
   
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Default 01-10-2014, 21:26 | posts: 7,373 | Location: Urban`Jungle

A quick new video

http://www.youtube.com/watch?v=BftE-xwooZk

2x faster then old one at least on Radeon gpus.


Needs ~ 2ms to render, also works flawlessly on Nvidia Titan, but it managed to get 25% boost on AMD since it has better direct compute capability.
   
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Default 01-10-2014, 21:40 | posts: 18,102 | Location: New Jersey, USA

Good news I loved tess fx on tomb raider.
   
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Default 01-10-2014, 21:48 | posts: 6,878 | Location: Sunny Scotland

indeed, Lara on the other hand ..her upgrades covered her butt, isn't that defeating the purpose? and what about direct compute jiggly boobs?
hell the female character in black flag is a hermaphrodite, the hell is going on anyways. haha
   
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Default 01-10-2014, 22:00 | posts: 5,232 | Location: FLA,USA

Quote:
Originally Posted by SLI-756 View Post
indeed, Lara on the other hand ..her upgrades covered her butt, isn't that defeating the purpose? and what about direct compute jiggly boobs?
hell the female character in black flag is a hermaphrodite, the hell is going on anyways. haha
Well we know where your priorities lay.

Very excited to see this actually more excited about TresFx 2.0 than I am about Mantel. At least I can use TFx2.0.
   
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Default 01-11-2014, 00:02 | posts: 12 | Location: Ukraine

Quote:
Originally Posted by -Tj- View Post
A quick new video
Lol, at left top corner on video "Geforce GTX Titan". Nice work AMD
   
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Default 01-11-2014, 00:14 | posts: 7,373 | Location: Urban`Jungle

Quote:
Originally Posted by Martix View Post
Lol, at left top corner on video "Geforce GTX Titan". Nice work AMD
So?

Its just some German reviewer testing it on a Titan to show how it runs there.

Also he said on /off makes 6-8fps difference, before 20-25fps? with tresfx1.0. And then he said on AMD HW its even smaller hit - its 25% faster then Titan so probably 3-4fps difference on/off, I assume R9-290, he didnt mention that.
   
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Default 01-11-2014, 00:22 | posts: 9,940 | Location: Dundee, Scotland

Quote:
Originally Posted by SLI-756 View Post
hell the female character in black flag is a hermaphrodite, the hell is going on anyways. haha
Urrr, crossdress, it wasn't uncommon, in order to get past the gender barrier.
   
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Default 01-11-2014, 00:38 | posts: 6,878 | Location: Sunny Scotland

Quote:
Originally Posted by scatman839 View Post
Urrr, crossdress, it wasn't uncommon, in order to get past the gender barrier.
not to derail but it was the character rendering by the game devs, they obviously had a choice with some of the cutscenes, : do we make her look a man or a woman cause some parts before she lets her hair down she was obviously drawn by the devs as a flat chested man.
also she talk like a man wth? lol
serious lack of women in the game, when you get close to the dancers they turn grey wth?
women in hitman were nice.
   
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Default 01-11-2014, 00:52 | posts: 9,940 | Location: Dundee, Scotland

She talks like a woman putting on a gruff voice, I honestly don't know how anyone could have thought otherwise. The model for sure, they're flattening the chest, but bandages can do that for you as well.

But hermaphrodite is a completely different thing though.
   
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Default 01-11-2014, 01:35 | posts: 7,373 | Location: Urban`Jungle

Anyway,

yeah that AMD gpu with 25% boost vs titan was r9-290 nonx.
http://www.pcgameshardware.de/AMD-Ra...-Demo-1104056/


Also they tested this at 2560x1440.

rough google translation

Quote:
The realistic representation of hair , for example, in computer games is very difficult to achieve with conventional methods. In virtually all cases, the result is difficult to be desired , often see the usually formed from polygons and alpha textures and rather sparsely animated virtual hairstyles far from lifelike . Perhaps one reason why characters often wear a boring crewcut in games or have the same shine the bald head. AMD tried to tackle the problem with TressFX ( tress = Locke ), a technology that utilizes the computing power of the graphics card to represent thousands of individual strands and to encourage a physically correct . The technology is open , so it can also be illustrated with graphics cards from other manufacturers.

TressFX 2.0 - problems of the previous version


The technique was first in the reboot of Tomb Raider in spring 2013 - and so far only there - used to represent virtual Lara's hair. The result could be quite impressive , but some major problems prevented a storm of enthusiasm of the player base . Firstly, the effect required quite a lot of power , which is especially Nvidia users affected negatively because of GeForce GPUs broke the frame rates due to lower compute power much stronger than on a comparable Radeons . Furthermore, the hair behaved not physically credible in many situations. Although AMD improved by using a patch , but the basic problem remained. Thus the mane swirled frequently due to lack of ( virtual ) weight in unrealistic ways , the simulated elasticity of the hair caused that strands behaved with fast movements like rubber bands .

TressFX 2.0 - Improved Performance

With TressFX 2.0 , these problems are now a thing of the past. The performance issue has defused with new , finely resolved and yet more economical to be calculated shadows and a LoD system AMD. The shadows are now calculated only where they will be seen , the same applies to the hair strands . Furthermore, the removal of hair will now be taken into consideration for the camera. In the previous version , the hair was completely calculated , so also in the case when the figure was far away from the camera and limited by the resolution not all strands could be shown . This was fixed with TressFX 2.0. A classic LOD system as polygon models work by the hair not , therefore, another gimmick was used: Removes the camera from the head of hair , the number of hair strands is reduced , but their thickness increases at the same time . Thus, the illusion of a consistent detail level can be realized at the same time the computational cost but can be greatly reduced . According to AMD were more than halved with these adjustments, the performance penalty .


TressFX 2.0 - Easier to implement

In order to provide designers a greater incentive to install TressFX in their game, also the implementation was simplified. To minimize unrealistic turbulence and the rubber band effect , TressFX 2.0 can now more extensive and easier to adjust . The hair can be already configured in the tech demo and be set or changed such as the thickness , transparency, color and severity of the individual strands. If we precisely draw these possibilities even consider , for example, wet hair could be relatively easily simulated: The color slightly darker , redeem the transparency of something and clearly give the hair more weight - a simple " wet effect" would be complete without programming feasible. This of course is not the end , the programmer can of course also make deeper interventions .


TressFX 2.0 - The Demo

We have tried the demo on a GTX titanium, with standard settings requires the powerful Nvidia GPU in 2560 x 1440 just over two milliseconds for the calculation of the effect. Consider a frame rate of 60 frames per second without TressFX 2.0 out would equal the nearly eight frames that would be lost by switching the effect. To counter testing we planted following a Radeon R9 290 in our test system . Not surprisingly, the AMD GPU is significantly faster in the calculation , the performance loss by TressFX is compared to the GTX Titan by almost 25 % lower.
   
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Default 01-11-2014, 01:52 | posts: 18,102 | Location: New Jersey, USA

Quote:
Originally Posted by Loophole35 View Post
Well we know where your priorities lay.

Very excited to see this actually more excited about TresFx 2.0 than I am about Mantel. At least I can use TFx2.0.
All for free amd goodies like tress fx. You play any tomb raider on that 780?
   
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Default 01-11-2014, 02:27 | posts: 3,279 | Location: USA

Impressive to say the lest
   
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Default 01-11-2014, 02:35 | posts: 464 | Location: Novyy Yeropol

It would be nice if they patched 2.0 into Tomb Raider.
   
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Default 01-11-2014, 02:55 | posts: 7,373 | Location: Urban`Jungle

^
yeah..


Btw there is also a tech demo (link in 1st post),
http://www.neogaf.com/forum/showthread.php?t=713230

But its a little weird,. It starts in small window so I have to hoover on it in taskbar then alt+enter and then change back to windowed mode.. Now I can resize to anything I want.

And it really runs allot better then the old one. Looks nicer too, especially casting hair shadows.


real time backed soft shadows




   
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Default 01-11-2014, 03:18 | posts: 26,093 | Location: Hampshire UK

Pretty nice but we need more AAA games with these goodies.
   
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Default 01-11-2014, 15:19 | posts: 5,232 | Location: FLA,USA

Quote:
Originally Posted by ---TK--- View Post
All for free amd goodies like tress fx. You play any tomb raider on that 780?
I have it downloaded and will start a new game today probably. I'll post some benchmark shots in the thread for it when I do. It should run really well as my 670's ate the game up with TFx enabled.
   
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---TK---
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Default 01-11-2014, 16:11 | posts: 18,102 | Location: New Jersey, USA

Maxed with just 2x ssaa runs real good on my 680s with tress fx too.
   
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Default 01-11-2014, 16:11 | posts: 3,706 | Location: Nederland

Not impressed, doesn't look natural at all. It's not how hair behaves.
   
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Default 01-11-2014, 16:55 | posts: 5,461 | Location: Switzerland

Why this title " AMD is working on ..." ? TressFX 2.0 is allready out and the sdk have been allready published and is usable..
   
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Default 01-11-2014, 16:59 | posts: 5,461 | Location: Switzerland

Quote:
Originally Posted by Martix View Post
Lol, at left top corner on video "Geforce GTX Titan". Nice work AMD
Its not a demo from AMD, but from a german reviewers site.

Last edited by Lane; 01-11-2014 at 17:03.
   
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-Tj-
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Default 01-11-2014, 17:40 | posts: 7,373 | Location: Urban`Jungle

Quote:
Originally Posted by Lane View Post
Why this title " AMD is working on ..." ? TressFX 2.0 is allready out and the sdk have been allready published and is usable..
because back then when I posted this it was still in the works
   
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Default 01-11-2014, 17:41 | posts: 1,922 | Location: Estonia

Damnn dude can't wait to see this in games!! XD
   
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Default 01-11-2014, 17:42 | posts: 1,806 | Location: Calgary Canada®

I don't think it looks anything close to real still.
   
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-Tj-
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Default 01-11-2014, 17:44 | posts: 7,373 | Location: Urban`Jungle

well its a tech demo, who cares if it doesn't look realistic (lightning), nvidia's Hair demo looked the same.


I for one Im really looking forward to see this improved tressfx2.0 in newer games
   
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