> I can't get DLSS working in this game, even with PROTON_ENABLE_NVAPI=1 the option is greyed out ...

I can't get DLSS working in this game, even with PROTON_ENABLE_NVAPI=1 the option is greyed out ...

I added `PROTON_ENABLE_NVAPI=1` to `/etc/environment` to avoid adding it manually to every game that supports DLSS ...

Are you using PROTON_HIDE_NVIDIA_GPU and export PROTON_ENABLE_NVAPI=1?

> Are you using PROTON_HIDE_NVIDIA_GPU and export PROTON_ENABLE_NVAPI=1? I tried this solution but it changed nothing.

... However, the original issue comment and some people are using `PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1` which is the opposite.

> Replying to https://github.com/ValveSoftware/Proton/issues/5285#issuecomment-2106341291 `mangohud gamemoderun PROTON_HIDE_NVIDIA_GPU=1 PROTON_ENABLE_NVAPI=0 %command ...

... Add `PROTON_ENABLE_NVAPI=1 %command%` to launch options. 2. Start game 3. Game window briefly flashes before crash reporter ...

... PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 gamemoderun %command%

Got it to boot! PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 %command% (Only works for NV cards!)

> Got it to boot! PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 VKD3D_CONFIG=dxr11 %command% No such luck on my AMD system ...

@alasky17 [gist](https://gist.github.com/Ekzilit/721b8a5b6f882e2406aaa5d363e4f502) , launch options: PROTON_ENABLE_NVAPI=1 DXVK_ASYNC=1 VKD3D_FEATURE_LEVEL=12_0

@Ekzilit Thank you! As a note - PROTON_ENABLE_NVAPI=1 doesn't do anything on Proton 9.0-x. We ...

Updated today to GE Proton 7.13. Crysis run much faster. But 'PROTON_ENABLE_NVAPI=1' don't work anyway.

... Actually i'm a bit unsure if you also need a extra one. ``` PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 %command% ```

Even when launched with `VKD3D_CONFIG=dxr11` ? and maybe optionally `PROTON_ENABLE_NVAPI=1` on Nvidia. AMD RADV also needs `RADV_PERFTEST ...

> Even when launched with `VKD3D_CONFIG=dxr11` ? and maybe optionally `PROTON_ENABLE_NVAPI=1` on Nvidia. AMD RADV also needs `RADV_PERFTEST ...

I was using experimental + PROTON_ENABLE_NVAPI. It was working very very well. My nvidia driver version is `535.43 ...

I needed to add `PROTON_ENABLE_NVAPI=1` to command options to go from 8fps to 120fps. My system is ...

With these launch options from ProtonDB, it works well enough so far: ` VKD3D_CONFIG=dxr11 PROTON_ENABLE_NVAPI=1 PROTON_HIDE_NVIDIA_GPU=0 ...

... Have you tried the following Steam launch command? `PROTON_ENABLE_NVAPI=1 PROTON_HIDE_NVIDIA_GPU=0 %command% -USEALLAVAILABLECORES` I've seen `-USEALLAVAILABLECORES ...

... arriving in the main menu if I add `PROTON_ENABLE_NVAPI=1` to my launch options. The game runs fine ...

... After removing `PROTON_ENABLE_NVAPI=1` from my launch options it works and can be readded, when it's done ...

... VKD3D_DEBUG=none PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 VKD3D_FEATURE_LEVEL=12_2 VKD3D_CONFIG=dxr11 SteamDeck=0

... 1". | Nvidia RTX 2080 My standard launch command for every game (Nvidia) -> PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 gamemoderun %command%

Have you tried with `PROTON_ENABLE_NVAPI=1` and a dxvk.conf file on the folder of the game executable ...

> Replying to https://github.com/ValveSoftware/Proton/issues/5047#issuecomment-1732594734 PROTON_ENABLE_NVAPI=1 does fix those for me ...

@giantplaceholder The vulkan beta drivers don't seem to make a difference and PROTON_ENABLE_NVAPI isn't exposing dlss ...

... PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 PROTON_ENABLE_NGX_UPDATER=1 VKD3D_CONFIG=dxr VKD3D_FEATURE_LEVEL=12_2

... reason You have to enable DLSS with an environment variable in the launch options in Steam. `PROTON_ENABLE_NVAPI=1`

... Ultra Nightmare except Texture Pool Size on High. > PROTON_ENABLE_NVAPI=1 That doesn't do anything but maybe because ...

... The command used to start is: `PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 gamemoderun %command%`

... Tried adding the `PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 %command%` launch option but although I can get the initial window ...

> VKD3D_CONFIG=dxr11 VKD3D_FEATURE_LEVEL=12_2 PROTON_ENABLE_NGX_UPDATER=1 PROTON_ENABLE_NVAPI=1 @AceroRomano Still no output. I think I should solve internet ...

> > VKD3D_CONFIG=dxr11 VKD3D_FEATURE_LEVEL=12_2 PROTON_ENABLE_NGX_UPDATER=1 PROTON_ENABLE_NVAPI=1 > > @AceroRomano Still no output. I think I should solve internet ...

... VKD3D_CONFIG=dxr11 PROTON_CONFIG=dxr11 VKD3D_FEATURE_LEVEL=12_1 PROTON_HIDE_NVIDIA_GPU=0 PROTON_ENABLE_NVAPI=1 __GL_THREADED_OPTIMIZATIONS=1 gamemoderun mangohud %command% -nosplash -USEALLAVAILABLECORES -NoVerifyGC ```

... fixes issues which doesn't affect my system. PROTON_ENABLE_NVAPI is always 1 as I set it at login ...

... Using `PROTON_ENABLE_NVAPI=1 %command%` seems necessary to make DLSS available (at least under Vulkan).