steam tinkering

hosts/cnix/default.nix

@@ -23,6 +23,7 @@ in {
       "docker"
       "libvirtd"
       "network"
+      "gamemode"
     ];
   };
 

hosts/cnix/hardware-configuration.nix

@@ -7,10 +7,8 @@
   pkgs,
   modulesPath,
   ...
-}:
-
-{
-  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
+}: {
+  imports = [(modulesPath + "/installer/scan/not-detected.nix")];
 
   boot = {
     initrd = {
@@ -21,17 +19,19 @@
         "usbhid"
         "usb_storage"
         "sd_mod"
+        "amdgpu"
       ];
-      kernelModules = [ ];
+      kernelModules = [];
     };
-    kernelModules = [ "kvm-amd" ];
-    kernelPackages = pkgs.linuxPackages_latest;
+    kernelModules = ["kvm-amd"];
+    kernelPackages = pkgs.linuxPackages_zen;
     consoleLogLevel = 3;
     kernelParams = [
       "quiet"
       "splash"
+      "amdgpu.ppfeaturemask=0xffffffff"
     ];
-    extraModulePackages = [ ];
+    extraModulePackages = [];
   };
 
   fileSystems."/" = {
@@ -50,7 +50,7 @@
     ];
   };
 
-  swapDevices = [ ];
+  swapDevices = [];
 
   # 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

hosts/core/default.nix

@@ -4,13 +4,12 @@
   outputs,
   pkgs,
   ...
-}:
-{
+}: {
   imports = [
     inputs.home-manager.nixosModules.home-manager
     ./adb.nix
     ./zsh.nix
-    ./adampad-pkgs.nix
+    ./cnix-pkgs.nix
     ./fonts.nix
   ];
   home-manager = {
@@ -20,7 +19,7 @@
     };
   };
   nixpkgs = {
-    overlays = [ ];
+    overlays = [];
     config = {
       allowUnfree = true;
     };
@@ -54,6 +53,7 @@
       pkgs.xdg-utils
       pkgs.xdg-user-dirs
       pkgs.udiskie
+      pkgs.wlroots
     ];
   };
 }

hosts/extra/steam/default.nix

@@ -1,23 +1,52 @@
-{ pkgs, ... }:
-{
-  programs.steam = {
-    enable = true;
-    package = pkgs.steam.override {
-      extraPkgs =
-        pkgs: with pkgs; [
-          xorg.libXcursor
-          xorg.libXi
-          xorg.libXinerama
-          xorg.libXScrnSaver
-          libpng
-          libpulseaudio
-          libvorbis
-          stdenv.cc.cc.lib
-          libkrb5
-          keyutils
-          gamescope
-          mangohud
-        ];
+{pkgs, ...}: {
+  programs = {
+    steam = {
+      enable = true;
+      extraCompatPackages = [
+        pkgs.proton-ge-bin
+        pkgs.vkd3d-proton
+      ];
+      gamescopeSession.enable = true;
+      package = pkgs.steam.override {
+        extraPkgs = pkgs:
+          with pkgs; [
+            xorg.libXcursor
+            xorg.libXi
+            xorg.libXinerama
+            xorg.libXScrnSaver
+            libpng
+            libpulseaudio
+            libvorbis
+            stdenv.cc.cc.lib
+            libkrb5
+            keyutils
+            mangohud
+            SDL2
+            SDL2_image
+          ];
+      };
+    };
+    gamescope = {
+      enable = true;
+      capSysNice = true;
+    };
+    gamemode = {
+      enable = true;
+      settings = {
+        general = {
+          renice = 10;
+        };
+        gpu = {
+          apply_gpu_optimisations = "accept-responsibility";
+          gpu_device = 1;
+          amd_performance_level = "high";
+        };
+        custom = {
+          start = "${pkgs.libnotify}/bin/notify-send 'GameMode started'";
+          end = "${pkgs.libnotify}/bin/notify-send 'GameMode ended'";
+        };
+      };
     };
   };
+  environment.variables.AMD_VULKAN_ICD = "RADV";
 }

hosts/hardware/cnix.nix

@@ -4,9 +4,7 @@
   config,
   inputs,
   ...
-}: let
-  _nvtop = pkgs.nvtopPackages.amd;
-in {
+}: {
   zramSwap.enable = true;
 
   security.rtkit.enable = true;
@@ -21,12 +19,14 @@ in {
     };
     graphics = {
       enable = true;
+      enable32Bit = true;
       extraPackages = with pkgs; [
-        _nvtop
         lact
         libva
         vaapiVdpau
         libvdpau-va-gl
+        vkd3d
+        vkd3d-proton
       ];
     };
   };