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Thread: Helmet camera, show helmet in VR.

  1. #1
    GT4 Pilot BigDad's Avatar
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    Helmet camera, show helmet in VR.

    Thanks SMS for the latest patch.

    Just wondering if show helmet option is supposed to have such a large FPS hit?
    This option is really great but rather unusable atm due to the hit.
    Will this get some optimisation in coming patch?
    I hope so as it really add to the feel of wearing a helmet instead of this ski mask.
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  2. #2
    Superkart Pilot Francisnf's Avatar
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    Good post, it's such a shame its a massive fps hit, as it really does add to immersion when driving certain cars. Not sure why it's so heavy on fps, but either way, would be great if it was optimised so it was usable.
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  3. #3
    GT4 Pilot BigDad's Avatar
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    Quote Originally Posted by Francisnf View Post
    Good post, it's such a shame its a massive fps hit, as it really does add to immersion when driving certain cars. Not sure why it's so heavy on fps, but either way, would be great if it was optimised so it was usable.
    Yeah, it's weird because it removes a whole heap of visual information so I would have thought it would actually give a boost in performance.
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    WMD Member Invincible's Avatar
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    Quote Originally Posted by BigDad View Post
    Yeah, it's weird because it removes a whole heap of visual information so I would have thought it would actually give a boost in performance.
    No, because it doesn't stop rendering stuff that's covert by your helmet. Everything you cannot see because your line of sight is blocked, is still fully rendered. Reducing render by blocked line of sight is a new tech which Nvidia and AMD are currently researching.
    So in you case with the helmet cam, you're actually having MORE stuff to render instead of less.

    When this new tech really breaks through, I think we'll see some nice performance improvements. Currently, Ai cars and your car parts are always fully rendered (at their respective LOD level). With the new LOS technique, the engine could stop rendering those parts of Ai cars you can't see currently because they're on the averted side of the car, which could easily save 25% polygons per each AI car and probably trackside stuff too.

    But until this happens, every additional object on the screen comes with a performance impact, even if it blocks the LOS to other objects.
    Last edited by Invincible; 13-02-2018 at 07:23.
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  5. #5
    GT4 Pilot BigDad's Avatar
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    Quote Originally Posted by Invincible View Post
    No, because it doesn't stop rendering stuff that's covert by your helmet. Everything you cannot see because your line of sight is blocked, is still fully rendered. Reducing render by blocked line of sight is a new tech which Nvidia and AMD are currently researching.
    So in you case with the helmet cam, you're actually having MORE stuff to render instead of less.

    When this new tech really breaks through, I think we'll see some nice performance improvements. Currently, Ai cars and your car parts are always fully rendered (at their respective LOD level). With the new LOS technique, the engine could stop rendering those parts of Ai cars you can't see currently because they're on the averted side of the ca

    But until this happens, every additional object on the screen comes with a performance impact, even if it blocks the LOS to other objects.
    Okay, that makes sense, it will be great when this tech becomes commonplace then. I guess it will be upto developers to implement also.
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  6. #6
    WMD Member Invincible's Avatar
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    Quote Originally Posted by BigDad View Post
    I guess it will be upto developers to implement also.
    Idk about this. I think the goal is to make this work on any game, just by changing the render on the GPU side. Probably will some devs still implement it into their game development to make better use of it.
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