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It seems NVIDIA are preparing a new driver update that will enable the use of Vulkan without needing X11.

From the NVIDIA forum:
QuoteHi,

Sorry for the late reply. Our next driver release will support direct to display which, even if you are not interested in presenting your frames, will allow you to use Vulkan without X running.

Thanks, Phoronix.

This is pretty nice to see, as it may enable people using Bumblebee to use Vulkan, which is a way of using more than one graphics chip like found in laptops.

It's possible this may also help with their driver and the Wayland & Mir display servers.

This can also be important for a set of systems designed to render stuff and then send the output somewhere else, they probably wouldn't be using X11 at all. Article taken from GamingOnLinux.com.
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7 comments

cRaZy-bisCuiT 6 Dec, 2016
QuoteThis can also be important for a set of systems designed to render stuff and then send the output somewhere else, they probably wouldn't be using X11 at all.

In theory, you're quite right! But did this ever work for someone in reality? Xserver should also be capable of that. But how to make use of it? Having a gaming server somewhere and steaming games somewhere else would be a possibility. Nowadays that's achieved by redirecting the input but compressing the game to a h.264 video like what Steam does. It really isn't an option to me since it does not feel native at all.
wolfyrion 6 Dec, 2016
I can only imagine a Vulkan Desktop Environment that will also support Virtual Reality... :D
Guest 6 Dec, 2016
QuoteThis can also be important for a set of systems designed to render stuff and then send the output somewhere else,

Like Nvidia HQ

:P
fagnerln 6 Dec, 2016
What about support Wayland/MIR? :/
mirv 6 Dec, 2016
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So...in case anyone was wondering, Vulkan can quite happily render to something other than a screen. A file, image buffer, whatever. Actually, Vulkan doesn't even need the concept of rendering - it can be used for compute just as easily.

I suspect the changes being introduced would allow for any non-X11 scenario to benefit however. I am a little surprised though: it should have been this way from the get-go. Anything requiring rendering to a display is actually an extension for Vulkan, not part of core.
Blauer_Hunger 7 Dec, 2016
Quoting: fagnerlnWhat about support Wayland/MIR? :/
Afaik they kind of support Wayland, but not the actual specification. Is there some news on this?
Xenon 10 Dec, 2016
so this means OpenGL got rid of the X dependencies?
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