# Do not modify this file!  It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations.  Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, modulesPath, ... }:

{
  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];

  boot = {
    initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
    # Enable early Nvidia kernel modesetting
    # https://wiki.archlinux.org/title/GDM#GDM_ignores_Wayland_and_uses_X.Org_by_default (not fixed by this)
    # https://wiki.archlinux.org/title/Kernel_mode_setting#Early_KMS_start
    # initrd.kernelModules = [ "nvidia" "nvidia_modeset" "nvidia_uvm" "nvidia_drm" ]; # NVIDIA
    initrd.kernelModules = [ "amdgpu" ];
    kernelModules = [ "kvm-intel" ];
    # Specific to used kernel (currently linux_zen)
    extraModulePackages = with pkgs.linuxKernel.packages.linux_zen; [
      new-lg4ff # Logitech force feedback
    ];
  };

  fileSystems."/" = {
    device = "/dev/disk/by-uuid/b87bbc3d-edd3-434a-b4a3-859bf62b8a17";
    fsType = "ext4";
  };

  fileSystems."/boot/efi" = {
    device = "/dev/disk/by-uuid/36A9-3D74";
    fsType = "vfat";
  };

  fileSystems."/home/christoph/GameSSD" = {
    device = "/dev/disk/by-uuid/fcea57ce-cd8a-44b0-a4bc-5ac11849dfb6";
    fsType = "ext4";
  };

  fileSystems."/home/christoph/GameHDD" = {
    device = "/dev/disk/by-uuid/77ae7407-5faa-4d93-8b11-a64ff9a33954";
    fsType = "ext4";
  };

  fileSystems."/home/christoph/Videos" = {
    device = "/dev/disk/by-uuid/4ac26c8e-f9fc-449e-9a80-491558539dbb";
    fsType = "ext4";
  };

  swapDevices = lib.mkForce [
    {
      device = "/var/swap";
      # size = 1024 * 16 * 2; # twice the RAM for hibernation
      size = 1024 * 8; # Without hibernation 4.0 GB to 0.5 x RAM
    }
  ];

  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
  # (the default) this is the recommended approach. When using systemd-networkd it's
  # still possible to use this option, but it's recommended to use it in conjunction
  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
  networking.useDHCP = lib.mkDefault true;
  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
  # networking.interfaces.enp4s0u2.useDHCP = lib.mkDefault true;
  # networking.interfaces.wlp3s0.useDHCP = lib.mkDefault true;

  hardware = {
    # Use all redistributable firmware (i.e. nonfree)
    # enableAllFirmware = true;
    enableRedistributableFirmware = true;
    cpu.intel.updateMicrocode = true;

    # nvidia.modesetting.enable = true; # Not officially supported by NVidia but needed for wayland
    video.hidpi.enable = lib.mkDefault true;
    opengl.enable = true;

    # Vulkan
    opengl.driSupport = true;
    opengl.driSupport32Bit = true;

    # AMD: https://nixos.wiki/wiki/AMD_GPU
    opengl.extraPackages = with pkgs; [
      # amdvlk # RADV (mesa) and AMDVLK (amd) can be used simultaneously

      # OpenCL
      rocm-opencl-icd
      rocm-opencl-runtime
      # rocm-runtime # Wiki doesn't mention this, but it exists...

      # VAAPI/VDPAU: https://nixos.wiki/wiki/Accelerated_Video_Playback
      vaapiVdpau # Taken from wiki
      libvdpau-va-gl # Taken from wiki

      # TODO: Figure this out (vainfo), it works this way but I still don't know if this is completely correct
      libvdpau # NOTE: Don't know if needed/where it belongs...
      libva # NOTE: Don't know if needed/where it belongs...
    ];

    sane.enable = true; # Scanning

    xpadneo.enable = true;  # Xbox Controller
  };

  environment.variables.AMD_VULKAN_ICD = "RADV"; # Choose mesa driver by default

  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
}