feat: gaming - gamemode + stream

flake.lock

@@ -206,6 +206,24 @@
         "type": "github"
       }
     },
+    "flake-parts_3": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1704982712,
+        "narHash": "sha256-2Ptt+9h8dczgle2Oo6z5ni5rt/uLMG47UFTR1ry/wgg=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "07f6395285469419cf9d078f59b5b49993198c00",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems_2"
@@ -531,6 +549,25 @@
         "type": "github"
       }
     },
+    "nix-gaming": {
+      "inputs": {
+        "flake-parts": "flake-parts_3",
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1705886383,
+        "narHash": "sha256-AXP+WRbsyCYdT0AQNHEBvblMed64oV2siReHwK+BmRk=",
+        "owner": "fufexan",
+        "repo": "nix-gaming",
+        "rev": "620f74d52371e5fbbd8c6d6dae3b3b36de26d1f7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "fufexan",
+        "repo": "nix-gaming",
+        "type": "github"
+      }
+    },
     "nixlib": {
       "locked": {
         "lastModified": 1693701915,
@@ -585,7 +622,7 @@
     },
     "nixos-licheepi4a": {
       "inputs": {
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
         "thead-kernel": "thead-kernel"
       },
       "locked": {
@@ -606,7 +643,7 @@
       "inputs": {
         "flake-utils": "flake-utils_2",
         "mesa-panfork": "mesa-panfork",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
@@ -625,16 +662,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1691280485,
+        "lastModified": 1705697961,
-        "narHash": "sha256-/8Ct9092OC1TTNzHgbcE9ejQdS2QxZYGqrWXEwUxdtQ=",
+        "narHash": "sha256-XepT3WS516evSFYkme3GrcI3+7uwXHqtHbip+t24J7E=",
-        "owner": "nixos",
+        "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "240472b7e47a641e9e7675f58b64d3626ca7824d",
+        "rev": "e5d1c87f5813afde2dda384ac807c57a105721cc",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "owner": "NixOS",
-        "ref": "nixos-23.05-small",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -655,6 +692,24 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1703961334,
+        "narHash": "sha256-M1mV/Cq+pgjk0rt6VxoyyD+O8cOUiai8t9Q6Yyq4noY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b0d36bd0a420ecee3bc916c91886caca87c894e9",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-stable": {
       "locked": {
         "lastModified": 1678872516,
@@ -720,6 +775,22 @@
       }
     },
     "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1691280485,
+        "narHash": "sha256-/8Ct9092OC1TTNzHgbcE9ejQdS2QxZYGqrWXEwUxdtQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "240472b7e47a641e9e7675f58b64d3626ca7824d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-23.05-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1691486536,
         "narHash": "sha256-W2jYTn6rNiJEpjXkOiZxNltgxxwgeZE5cQ967NgsrHU=",
@@ -735,7 +806,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_3": {
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1705677747,
         "narHash": "sha256-eyM3okYtMgYDgmYukoUzrmuoY4xl4FUujnsv/P6I/zI=",
@@ -751,7 +822,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_5": {
       "locked": {
         "lastModified": 1701436327,
         "narHash": "sha256-tRHbnoNI8SIM5O5xuxOmtSLnswEByzmnQcGGyNRjxsE=",
@@ -765,7 +836,7 @@
         "url": "https://flakehub.com/f/NixOS/nixpkgs/0.1.%2A.tar.gz"
       }
     },
-    "nixpkgs_5": {
+    "nixpkgs_6": {
       "locked": {
         "lastModified": 1702921762,
         "narHash": "sha256-O/rP7gulApQAB47u6szEd8Pn8Biw0d84j5iuP2tcxzY=",
@@ -783,7 +854,7 @@
     },
     "nuenv": {
       "inputs": {
-        "nixpkgs": "nixpkgs_4",
+        "nixpkgs": "nixpkgs_5",
         "rust-overlay": "rust-overlay_2"
       },
       "locked": {
@@ -802,7 +873,7 @@
     },
     "nur-ryan4yin": {
       "inputs": {
-        "nixpkgs": "nixpkgs_5"
+        "nixpkgs": "nixpkgs_6"
       },
       "locked": {
         "lastModified": 1705366605,
@@ -934,11 +1005,12 @@
         "lanzaboote": "lanzaboote",
         "mysecrets": "mysecrets",
         "nix-darwin": "nix-darwin",
+        "nix-gaming": "nix-gaming",
         "nixos-generators": "nixos-generators",
         "nixos-hardware": "nixos-hardware",
         "nixos-licheepi4a": "nixos-licheepi4a",
         "nixos-rk3588": "nixos-rk3588",
-        "nixpkgs": "nixpkgs_3",
+        "nixpkgs": "nixpkgs_4",
         "nixpkgs-darwin": "nixpkgs-darwin",
         "nixpkgs-stable": "nixpkgs-stable_2",
         "nixpkgs-unstable": "nixpkgs-unstable",

flake.nix

@@ -79,11 +79,13 @@
     extra-substituters = [
       "https://anyrun.cachix.org"
       "https://hyprland.cachix.org"
+      "https://nix-gaming.cachix.org"
       # "https://nixpkgs-wayland.cachix.org"
     ];
     extra-trusted-public-keys = [
       "anyrun.cachix.org-1:pqBobmOjI7nKlsUMV25u9QHa9btJK65/C8vnO3p346s="
       "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
+      "nix-gaming.cachix.org-1:nbjlureqMbRAxR1gJ/f3hxemL9svXaZF/Ees8vCUUs4="
       # "nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA="
     ];
   };
@@ -152,6 +154,8 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    nix-gaming.url = "github:fufexan/nix-gaming";
+
     # add git hooks to format nix code before commit
     pre-commit-hooks = {
       url = "github:cachix/pre-commit-hooks.nix";

home/linux/desktop/base/games.nix

@@ -0,0 +1,12 @@
+{
+  pkgs,
+  nix-gaming,
+  ...
+}: {
+  home.packages = with pkgs; [
+    # nix-gaming.packages.${pkgs.system}.osu-lazer-bin
+    gamescope # SteamOS session compositing window manager
+    prismlauncher # A free, open source launcher for Minecraft
+    winetricks # A script to install DLLs needed to work around problems in Wine
+  ];
+}

home/linux/desktop/hyprland/conf/hyprland.conf

@@ -6,7 +6,11 @@ input {
     kb_model=
     kb_options=
     kb_rules=
+    
+    # mouse focus will not switch to the hovered window unless the mouse crosses a window boundary
     follow_mouse=1
+    mouse_refocus=false
+
     natural_scroll=0
     touchpad {
         natural_scroll = 1

modules/nixos/base/networking.nix

@@ -14,4 +14,17 @@
     };
     openFirewall = true;
   };
+
+  # Network discovery, mDNS
+  # With this enabled, you can access your machine at <hostname>.local
+  # it's more convenient than using the IP address.
+  services.avahi = {
+    enable = true;
+    nssmdns4 = true;
+    publish = {
+      enable = true;
+      domain = true;
+      userServices = true;
+    };
+  };
 }

modules/nixos/desktop/game/default.nix

@@ -0,0 +1,3 @@
+{mylib, ...}: {
+  imports = mylib.scanPaths ./.;
+}

modules/nixos/desktop/game/gamemode.nix

@@ -0,0 +1,48 @@
+# https://github.com/fufexan/dotfiles/blob/483680e121b73db8ed24173ac9adbcc718cbbc6e/system/programs/gamemode.nix
+{
+  config,
+  pkgs,
+  nix-gaming,
+  lib,
+  ...
+}: let
+  programs = lib.makeBinPath [
+    config.programs.hyprland.package
+    pkgs.coreutils
+    pkgs.power-profiles-daemon
+  ];
+
+  startscript = pkgs.writeShellScript "gamemode-start" ''
+    export PATH=$PATH:${programs}
+    export HYPRLAND_INSTANCE_SIGNATURE=$(ls -1 /tmp/hypr | tail -1)
+    hyprctl --batch 'keyword decoration:blur 0 ; keyword animations:enabled 0 ; keyword misc:vfr 0'
+    powerprofilesctl set performance
+  '';
+
+  endscript = pkgs.writeShellScript "gamemode-end" ''
+    export PATH=$PATH:${programs}
+    export HYPRLAND_INSTANCE_SIGNATURE=$(ls -1 /tmp/hypr | tail -1)
+    hyprctl --batch 'keyword decoration:blur 1 ; keyword animations:enabled 1 ; keyword misc:vfr 1'
+    powerprofilesctl set power-saver
+  '';
+in {
+  programs.gamemode = {
+    enable = true;
+    settings = {
+      general = {
+        softrealtime = "auto";
+        renice = 15;
+      };
+      custom = {
+        start = startscript.outPath;
+        end = endscript.outPath;
+      };
+    };
+  };
+
+  # see https://github.com/fufexan/nix-gaming/#pipewire-low-latency
+  services.pipewire.lowLatency.enable = true;
+  imports = [
+    nix-gaming.nixosModules.pipewireLowLatency
+  ];
+}

modules/nixos/desktop/game/steam.nix

@@ -0,0 +1,30 @@
+# https://github.com/fufexan/dotfiles/blob/483680e/system/programs/steam.nix
+{pkgs, ...}: {
+  # https://wiki.archlinux.org/title/steam
+  programs.steam = {
+    # steam will be installed into ~/.local/share/Steam
+    # the games will be installed into ~/.local/share/Steam/steamapps/common
+    enable = true;
+
+    # fix gamescope inside steam
+    package = pkgs.steam.override {
+      extraPkgs = pkgs:
+        with pkgs; [
+          keyutils
+          libkrb5
+          libpng
+          libpulseaudio
+          libvorbis
+          stdenv.cc.cc.lib
+          xorg.libXcursor
+          xorg.libXi
+          xorg.libXinerama
+          xorg.libXScrnSaver
+        ];
+    };
+  };
+
+  fonts.packages = with pkgs; [
+    wqy_zenhei # Need by steam for Chinese
+  ];
+}

modules/nixos/desktop/guix.nix

@@ -12,10 +12,10 @@
       enable = true;
       # https://guix.gnu.org/en/manual/en/html_node/Invoking-guix-gc.html
       extraArgs = [
-          "--delete-generations=1m"
+        "--delete-generations=1m"
-          "--free-space=10G"
+        "--free-space=10G"
-          "--optimize"
+        "--optimize"
-        ];
+      ];
     };
   };
 }

modules/nixos/desktop/security.nix

@@ -15,7 +15,7 @@
   # gpg agent with pinentry
   programs.gnupg.agent = {
     enable = true;
-    pinentryFlavor =  "curses";
+    pinentryFlavor = "curses";
     enableSSHSupport = false;
   };
 }