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Assetto Corsa Competizione - RayTracing confirmed?

Discussion in 'ACC General Discussions' started by Deatroy, Aug 17, 2018.

  1. Deatroy

    Deatroy Alien

    Well we knew AC:C will base on UE4 and use either Vulkan or DX12.
    nVidia just released the new Quadros with Raytracing Feature and surprise suprise AC:C is officially shown in their SIGGRAPH Video. Next to BF V and new Tomb Raider, how crazy.;)


    Timestamp: 02:48 it begins and 2:57 AC:C is shown

    @Lord Kunos
    Can you confirm this?
    Dont know if UE4 has RayTracing included yet with DX12.3/RTX or if you use Vulkan for it.

    I am planning to buy the coming RTX 2080ti.
    So i hope for this new renderpath :3

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  3. liakjim

    liakjim Alien

    Having ACC shown among AAA titles , it's a super massive success. Good job Kunos.

    Στάλθηκε από το m2 note μου χρησιμοποιώντας Tapatalk
    ZioYuri78, Lawndart, Stepy and 7 others like this.
  4. Psit

    Psit Alien

    Raytracing in a mainstream game? Maybe in 5 years.
    mESCx likes this.
  5. Deatroy

    Deatroy Alien

    Well nvidia is pushing this topic quite a lot.
    Turing = Quadro is up to 5x faster in Raytracing than Volta and up to 25x faster than Pascal.
    You wont see 4k@60FPS with RT, but FHD@60FPS could be possible.
    In 3 days Gaming Turing will arrive on the Gamescom.
  6. Serge M

    Serge M Alien

    Remember consumer turing cards are only a few months away if that, will be interesting to see what that brings. The big power Ti cards will inevitably come as well

    Big congrats to Kunos on being featured in that opening for Nvidia, being picked to feature between the monsters that is Battlefield and Tomb Raider is no small thing, defenitly a long road traveled to get to this point and many great things to come no doubt. Very well done and well deserved
  7. Psit

    Psit Alien

    Raytracing is VERY VERY VERY demanding, at least 5 years... for 15fps cimenatic experience games :)
    D.Jankovic likes this.
  8. Raklödder

    Raklödder Simracer

    The technology is in its early stages and is way too demanding for current consumer graphics cards. It will probably take at least 5-10 years before it goes mainstream.
    Psit likes this.
  9. Speed RacerX

    Speed RacerX Gamer

    As already suggested in this thread RT is way to demanding with current video cards. Using RT with the UE would certainly alienate AMD gpu users.

    Only a few with a card capable of running RT based games would consider buying such games. Right now Metro Exdous is the only game I know of that will have RT elements in it. And from the rumors only the RTX quadro's, RTX Titan and possibly RTX Ti will run it smoothly at higher than 1080p.

    It is rumored that the new RTX Nvidia GPUs will have hardware RT components in it. However, it's not clear if this generation of GPU will be able to render RT via hardware or software (which will render RT much slower then Hardware).

    From what I've seen so far ACC already looks fantastic. I'm not sure what RT elements added to ACC would improve the fidelity and IQ of ACC that would justify the performance penalty associated with it.

    Another question...what would we like to see RT in ACC? All examples are IMO.
    Cars? Hugh performance impact
    Track? Hugh performance impact
    Rain? Hugh performance impact
    Background objects like buildings trees, grass, flagmen? Hugh Performance impact
    All else?

    Even with RTX we still are not there were an entire game will be rendered in RT do to the performance impact. But even if RT use in game is limited it could still have a significant impact to frame rates with hardware we have now.
    Last edited: Aug 17, 2018
  10. MrDeap

    MrDeap Hardcore Simmer

    For most AC GT3 fan... it's 0.5fps. Sorry, no pun intended.

    In nutshell...
    GT3=potato crowd
    Last edited: Aug 17, 2018
  11. Thomas Gocke

    Thomas Gocke Alien

    in the actual game? not before AC 3.0

    but why not try something in the Showroom, would be a nice project for a junior dev :)
  12. Ace Pumpkin

    Ace Pumpkin Alien

    WTF is “raytracing”?
    Is it important, do I have to shred my rig?
  13. Deatroy

    Deatroy Alien

    The rumor is true, Turing has RT Cores. So its build in hardware plus Tensor Cores (you know these already from Volta = Titan V).
    Because of these two extra Cores, the die of Turing is nearly twice as big as Pascal was.
    Turing is using its RT Cores for Raytracing, TensorCores are helping with AI.
    This point is known due Quadro, sames cards. Turing Gaming is just salvage of Quadro (full spec).

    AMD will make it via Software.
    At the end BF V will show it will goes.
    You get a second renderpath. Raytracing on or off.

    nvidia isnt teasing AC:C because of fun see my video.
    I bet it will come as option!
    The question is just WHEN :D
  14. Speed RacerX

    Speed RacerX Gamer

    The Turing lineup includes Quadro as well as the RTX 2000 series.
    I was referring to the RTX 2000 series. There is no official announcement for the RTX 2000 series yet.
  15. Akbalder

    Akbalder Gamer

    A few seconds of ACC were shown in the nvidia conference but nothing says that it will include ray tracing.

    Anyway, it will require a few more years before ray tracing provide a quality as good as rasterization.
  16. ShredatorFIN

    ShredatorFIN Alien

    This kind of showing of ACC in Nvidias conference though.. Gives some hope that ACC might have a dedicated Game Ready driver (on full release)
    LChaves likes this.
  17. Deatroy

    Deatroy Alien

    2 days only for the official news.
    But if you want to inform youself:
    Serge M likes this.
  18. Rudski

    Rudski Alien

    Fingers Crossed!;)
  19. Psit

    Psit Alien

    The raytracing starwars demo they showed at some point this year needed 5x (or were they 4) titan cards to have 30 fps, and it was just an indoors scene (mostly inside an elevator) :D
  20. Speed RacerX

    Speed RacerX Gamer

    Yeah I saw that. There are a few concerns though.
    Traditionally the:
    106 gpu die was for the 1060s and similar gpus
    104 gpu die is for 1070 and 1080
    102 gpu die is for 1080 ti and titans...

    However for Turing it's rumored to be:
    104 gpu die for 1080 and 1080 ti
    106 gpu die for 1070

    I hope that aint true because it if is those lower end dies won't run elements of Ray Tracing in a game at a decent frame rate expected for 1070 and 1080 ti level of performance IMO.

    But worst of all you are paying more for a lower tier gpu die. But like you said, in 2 days we should know what the deal is.
    Last edited: Aug 18, 2018
  21. Here goes for the 100'000 ft description....

    Ray tracing is a different way of lighting a scene and is largely considered the "holy grail" of graphics.

    In current technology there's a notion of a "shader" which takes various inputs (eg where the light source is, what material am I - colour, reflectivity, luminosity etc) and through calculations will determine what colour that pixel is in a scene. In practical terms, the outside body of a car would have a piece of shader code that's calculated in parallel for every visible part that you see - where the sun/light source is, time of day, weather, base colour from the skin of the car etc (eg a logo vs a flat area) and would return a value for that pixel to be shown to you. Game companies have shader artists dedicated to doing this and GPU's have big "parallel" pipelines to handle doing tonnes of calculations in all at one. Eg when a frame of the game is rendered, all of the pixels have to be calculated all at once - there's lots of trickery going on, however each frame would need 100'000s to millions of calculations done upwards of 1/60th of a second( Crrrraaazzzy when you think about it). Expensive GPU's can execute tonnes of these shaders all at once, each scene, over and over.... which is where your hundreds of watts of power and hard earned cash goes.
    (https://thebookofshaders.com/01/ <--- good description)

    Ray tracing works by generating light paths from a source and bouncing it around a scene off and through materials (eg bounce it off a mirror, but let it pass through glass) It is ridiculously demanding hardware wise, but gives a better/more realistic lighting effect. So to render a scene light rays would be sent from the "sun" all over the scene, and they would bounce all over the place, with the camera (you) picking up the ones that bounce in your direction. To create something that looks good requires squintillions (made up number but take it as shedloads) of rays bouncing around the place. Instead of the shader artists figuring out the calculations; the software+hardware does it for you (oversimplification), you just say "the surface on the car is shiny, colour red", the light from the sun hits the surface and scatters is it would for a shiny object, whatever happens to land in your "eye" is what you see on screen.

    Nvidia is getting the world excited as Ray Tracing is tantalisingly close to becoming reality through really, really trick hardware to pull it off. It's only a matter of time....
    petesky, Andrew_WOT, liakjim and 3 others like this.

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