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Some Ugly Code Can Get NVIDIA's Linux Driver Working With Accelerated XWayland

Submitted by Roy Schestowitz on Monday 24th of August 2020 09:11:47 AM Filed under
Graphics/Benchmarks
Linux
Red Hat

Red Hat's Adam Jackson has been working on "GLX Delay" as a means of offering accelerated GLX with OpenGL for XWayland when using the NVIDIA proprietary driver. The proposed code is going through Mesa even though it's for the proprietary NVIDIA driver benefit and also requires a change to the OpenGL Vendor Neutral Dispatch Library (libglvnd).

This work-in-progress code does allow the likes of glxgears and glxinfo to now successfully run on XWayland with the NVIDIA proprietary driver. Adam prominently noted, "due to the design of this approach the actual GL rendering part should be about as fast as it is against Xorg, or against EGL on the bare metal, so in principle this can eventually be just as performant as it is with Xorg."

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NVIDIA and accelerated Xwayland gets closer with code

Submitted by Roy Schestowitz on Monday 24th of August 2020 10:00:06 AM.
  • NVIDIA and accelerated Xwayland gets closer with code that 'sounds unpleasant'

    Why is it going into Mesa when it's for the NVIDIA proprietary driver? They said pretty simply that Mesa's GLX code already implements most of what's needed to allow it. Additionally, Jackson mentioned how it seems like it will "eliminate a large class of reasons why you might need to use Xorg and NVIDIA's driver" and that it is "better than what you currently get for GLX clients in that scenario, which is llvmpipe". However, it can be seen that it "entrenches the position of NVIDIA's libEGL, since we've only made it more useable" but "on balance, that this reduces the binary driver footprint, and I think that's a good direction to go".

    In short: if finished and accepted, you might in future see NVIDIA's proprietary Linux driver + Wayland working nicer.

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