dotfiles/nixos/gfx-nvidia-optimus.nix

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{ config, pkgs, ... }:
let
nvidia-offload = pkgs.writeShellScriptBin "nvidia-offload" ''
export __NV_PRIME_RENDER_OFFLOAD=1
export __NV_PRIME_RENDER_OFFLOAD_PROVIDER=NVIDIA-G0
export __GLX_VENDOR_LIBRARY_NAME=nvidia
export __VK_LAYER_NV_optimus=NVIDIA_only
exec -a "$0" "$@"
'';
in
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{
environment.systemPackages = [ nvidia-offload ];
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services.xserver.videoDrivers = [ "nvidia" ];
hardware.opengl = { enable = true; };
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hardware.nvidia.modesetting.enable = true;
hardware.nvidia.prime.offload.enable = true;
hardware.nvidia.prime = {
intelBusId = "PCI:0:2:0";
nvidiaBusId = "PCI:1:0:0";
};
}
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