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[TechReport] Crysis 2 tessellation: too much of a good thing? - Page 16

post #151 of 179
Quote:
Originally Posted by computerparts View Post
This is pathetic. If a game brings your hardware to it's knees, "it's poorly optimized." Yet if a game runs smoothly, "it's not making full use of resources". Some people wouldn't know good or bad coding even if it smacked them in the face. That said, I remember threads about people getting poor frames with Crysis 2. Now we know why. If this phenomenon is due to the Crytek engine, then the engine itself is buggy and needs to be fixed.
There is some good info in the article about how they determined that the waves are being updated and tessellated underneath the visible areas of the map, causing a lot of extra tessellation to occur unnecessarily. There seems to be a case that this has caused performance issues. Additionally they have found flat surfaces being tessellated, which is completely worthless unless they were using per-vertex lighting, which they're not.
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post #152 of 179
lol tesselated water over land.
i'm beginning to lose faith in crytek.

a crysis fanboy.
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post #153 of 179
Quote:
Originally Posted by Booty Warrior View Post
You're looking at it the wrong way.

A better example would be if you made a game that was so CPU intensive that only high end 1156/1336 or 1155 platforms could get playable fps at the highest possible settings (since its no secret they all outperform current AMD counterparts).

It wouldn't specifically require an Intel processor. It would require a certain level of hardware capability that current AMD processors lack.
So how do you explain a game like metro 2033 which clearly shows that AMD's offerings can indeed handle high amounts of tessellation? Unless of course, you are suggesting that Crysis 2 has "better"/more use of tessellation than metro 2033 which is why AMD seems to have excellent performance in that title....

The truth is, there are only two groups of people who can make useful statements concerning AMD's poor C2 performance:
1) The developers at Crytek
2) The hardware devs/driver programmers for AMD.
( and maybe Nvidia's programmers/hardware manufacturing team as well)

Aside that, everything we say about the reason why AMD is falling behind pathetically in this title is an educated guess at best.

The only solution is to see how other DX11 titles (maybe BF3) will perform on both platforms. If they are neck in neck, then it is Crytek's fault. If Nvidia still pulls ahead, then it is AMD's fault for not having capable hardware. Period.

Quit the pointless arguments and name calling please. ( to everyone here, not you, Booty Warrior)
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post #154 of 179
So people are complaining about there GPU being put to work? As DuckHo said earlier Now you can complain about C2 being un-optimized.
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post #155 of 179
Quote:
Originally Posted by CDub07 View Post
So people are complaining about there GPU being put to work? As DuckHo said earlier Now you can complain about C2 being un-optimized.
Why are people still posting this?

The issue here is Crytek is pointlessly working the GPU with things like tessellating an unseen ocean. Imagine... just imgaine if they had actually optimized the game and put the resulting extra GPU power to use on making the game look even better.

I understand that they only had certain amount of time and budget and devs cannot please everybody, but nobody can deny that their implication of DX11 has been found to be sloppy and pointlessly taxing in certain aspects.
Edited by JCPUser - 8/17/11 at 6:21pm
post #156 of 179
People..

This was done on purpose. As even a basic wireframe modeler know that the water grid stops at the shore & that flat things don't need polygons.

Anyone who thinks this is un-optimization is kidding themselves. You actually have to MAKE THIS happen. Again, the game did not make itself, thus this was done with human influence.

Is it ignorance..? Nope, because crytek knows these simple things are what games developers look for to optimize & speed up their games. Matter of fact, it is one of the most simplest things to control and marginalize.

Was it overlooked..? Nope, because it was PUT INTO THE GAME.



The answer is very simple and what the whole article was getting at. That nvidia's current tess engine has greater prowess, so they min/max the right amount to fetter AMD's card more than nvidia.

No game needs this amount of wasted (inseen) detail. Yet here it is..
post #157 of 179
Their implementation of tessellation has also made countless other aspects of the game look far better than they did before. I still am amazed that crytek even took the time and effort to do a full dx11 makeover and provide it free of charge. Of course all they get from the community for their efforts is whining about how sloppily its coded.
post #158 of 179
Quote:
Originally Posted by aroc91 View Post
Assumptions. There's this thing called saving money. Who are you to say that people don't buy a great card so it'll last them a while?
Because GTX580 its not that card. There is think like SLI and GTX590 which can keep u for 3 year but not GTX580 because you pay a high premium for very little performance over GTX570.
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post #159 of 179
Quote:
Originally Posted by Majin SSJ Eric View Post
Their implementation of tessellation has also made countless other aspects of the game look far better than they did before. I still am amazed that crytek even took the time and effort to do a full dx11 makeover and provide it free of charge. Of course all they get from the community for their efforts is whining about how sloppily its coded.
Maybe I am greedy, but I only want them to tess objects that are relevant. The performance hit caused by the unseen ocean could have been applied elsewhere to make the game look even better.

The performance hit (and the fact the AMD cards are slower because of said hit) is NOT the problem in it self, the problem is that a portion of that hit is because of things that cannot even be seen. Sorry, but that is sloppy and there is nothing wrong with pointing that out.
post #160 of 179
The thin is the AMD GPUs are not getting used. They have a lot of GPU power left but no tessellation. Nvidia can direct as much tessellation power from the GPU but AMD has a limited number of tessellation units which are more then enough for todays game. If you look at Heaven HD 69XX greatly improved on that over HD 58XX and as far as i know Heaven has best tessellation implementation and 1000 times better then Crysis 2 yet AMD card are only 1-2fps behind Nvidia card even under extreme.
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