nvidia-desktop-gtx-780ti.nix

gistfile1.txt

  services = {
    xserver = {
      enable = true;
      videoDrivers = [ "intel" "nvidia" ];

      config = ''
	Section "Device"
		Identifier "Intel Graphics"
		Driver	"intel"
		Option	"TearFree"	"true"
	EndSection
	Section "Device"
		Identifier "GeForce GTX 780 Ti"
		Driver	"nvidia"
                BusId "PCI:1:0:0"
		Option	"TearFree"	"true"
	EndSection
      '';

    };
  };

# O driver é proprietário. Precisa permitir ele:
nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
    "nvidia-x11"
    "nvidia-settings"
  ];

  boot.plymouth.enable = true;

  services.xserver = {
    desktopManager.xterm.enable = false;
    enable = true;
    layout = "us";
    xkbVariant = "intl";
    # xkbModel = "pc104";
    # xkbOptions = "grp:alt_shift_toggle";
    deviceSection = ''
      Option "TearFree" "true"
    '';
    windowManager.i3 = {
      enable = true;
      package = pkgs.i3-gaps;
    };
    displayManager = {
      lightdm.enable = true;
      autoLogin.enable = true;
      autoLogin.user = "intj";
    };
  };

  # Compositor (supposedly fixes screen tearing).
  services.compton.enable = true;

  hardware.opengl = {
    enable = true;
    driSupport = true;
    driSupport32Bit = true;
  };