flake/systems/fuji/nvidia.nix

{
  lib,
  pkgs,
  config,
  ...
}: {
  services.xserver.videoDrivers = lib.mkForce ["nvidia"];

  boot.kernelParams = [
    "nvidia.NVreg_EnableGpuFirmware=0"
  ];

  environment.sessionVariables = {
    NIXOS_OZONE_WL = "1";
    LIBVA_DRIVER_NAME = "nvidia";
    __EGL_VENDOR_LIBRARY_FILENAMES = "/run/opengl-driver/share/glvnd/egl_vendor.d/10_nvidia.json";
  };

  hardware.opengl = {
    driSupport = true;
    driSupport32Bit = true;
    extraPackages = [pkgs.vaapiVdpau];
  };

  hardware.nvidia = {
    package = config.boot.kernelPackages.nvidiaPackages.beta;
    modesetting.enable = true;
    powerManagement = {
      enable = true;
      finegrained = false;
    };
  };

  hm.wayland.windowManager.hyprland.settings.env = [
    "XDG_SESSION_TYPE,wayland"
    "GBM_BACKEND,nvidia-drm"
    "__GLX_VENDOR_LIBRARY_NAME,nvidia"
    "NVD_BACKEND,direct"
  ];
}