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PRIME Synchronization Is Still Being Worked On To Fix Tearing

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  • sarmad
    replied
    Originally posted by rabcor View Post
    Do the proprietary nvidia drivers even support wayland yet to begin with?
    I don't think so. But the radeon open-source driver does support it.

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  • rabcor
    replied
    Originally posted by sarmad View Post
    Is PRIME supported under Wayland? If so, how can Wayland ensuare a "perfect frame" with PRIME not supporting v-sync?
    Do the proprietary nvidia drivers even support wayland yet to begin with?

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  • Kano
    replied
    Maybe this works too, but Nvidia Optimus users do not need a DRI_PRIME override, everything is rendered on Nvidia, output can be Intel or Radeon (you can reuse your old cards for more outputs). I tested these dual GPU configs, you do not need to use Intel hardware (and no laptop) to try it. You could even use a card with TV out and use Nvidia for rendering.
    Last edited by Kano; 01 November 2015, 08:03 AM.

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  • haagch
    replied
    http://www.phoronix.com/scan.php?pag...ime-mesa-nodes

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  • sarmad
    replied
    Is PRIME supported under Wayland? If so, how can Wayland ensuare a "perfect frame" with PRIME not supporting v-sync?

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  • Vash63
    replied
    Originally posted by yzsolt View Post
    Nice, but won't benefit the AMD drivers from this too?
    Also interesting to see that this work is done by an NVIDIA employee. I only saw them investing in mobile related things, not in fixing desktop bugs.
    This is a desktop bug that affects their proprietary driver though. That's an exception they've made for a while.

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  • haagch
    replied
    Well, with a quick test with glxgears I can say: No, it does not work with dri3 offloading: https://www.youtube.com/watch?v=D1zTqjmisKk (At least in the bugtracker people said this happens because of the same lack of synchronization)

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  • RussianNeuroMancer
    replied
    Originally posted by haagch View Post
    So I second the question: Does this already work with radeon?
    For Radeon iGPU+dGPU with FOSS driver there is no tearing for few years. There was this issue https://bugs.freedesktop.org/show_bug.cgi?id=56659 but it's fixed now.

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  • andre30correia
    replied
    Originally posted by haagch View Post
    So.. should this work with dri3? Because on intel+radeonsi with dri3 playing a game looks like this: https://www.youtube.com/watch?v=HVDZowUGlSc (the shadows flickering have been fixed, the "frame jumping" is the synchronization problem).
    So I second the question: Does this already work with radeon?

    i think it only use v sync with wayland, with X the tearing is horrible (talking about august experience)

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  • haagch
    replied
    So.. should this work with dri3? Because on intel+radeonsi with dri3 playing a game looks like this: https://www.youtube.com/watch?v=HVDZowUGlSc (the shadows flickering have been fixed, the "frame jumping" is the synchronization problem).
    So I second the question: Does this already work with radeon?

    Leave a comment:

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