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I’m using whichever one Proton/Steam uses. I’m assuming its AMDVLK because its the ‘official’ one. I think I remember RADV being switched away from in Proton a year or two ago, but don’t hold me to that. I checked my enviromental variable “AMD_VULKAN_ICD” but didn’t see it set to anything.
Whichever one I’m using, I get 120fps on my 3D games (playing No Man’s Sky and/or Baldur’s Gate 3 on the second monitor while typing) running them through Steam/Proton without a hiccup. Never a problem.
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The default driver used by Fedora is RADV. Steam/Proton does not choose your Vulkan driver. That’s why your games run well - you aren’t using the one made by AMD.
Alright. I remembered them switched around, but there was a migration a year or two ago from one to another, default wise.
Help me with >THIS< then?
This suggests that both (most/all??) are bundled, and you could even run one program in one driver and another program with the other driver.
This was mentioned in that post/thread as well …
Its also mentioned that environmental variables can be set at runtime to switch on the fly (at program startup) which is used. I just don’t know if Proton does any of that for you under the covers at startup or if you have to manually add the parameters to the properties for the Steam game to force it to use another one.
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I don’t think AMDVLK is even installed by default with Fedora. It can definitely be installed, but there’s not much reason to as it’s a really bad Vulkan driver.
From that link I sent you it seems like it has to, because it’s the low-level driver, and then RADV is a user space one that calls into it.
That’s basically what I’m asking you about, if I’m understanding you correctly, you’re saying it’s an either or, but that other comment that I linked you states that they’re both needed, one is system level, and the other is user space level.
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No, AMDVLK is also a user space driver. You’re confusing it with AMDGPU, which is a kernel module.
Ah, ok. Thanks.