Add support for pcsx2.

nix/configuration/configuration.nix

@@ -69,6 +69,7 @@
     ./roles/sops
     ./roles/gcloud
     ./roles/steam_run_free
+    ./roles/pcsx2
   ];
 
   nix.settings.experimental-features = [

nix/configuration/flake.lock

@@ -135,11 +135,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1740432748,
-        "narHash": "sha256-BCeFtoJ/+LrZc03viRJWHfzAqqG8gPu/ikZeurv05xs=",
+        "lastModified": 1741955947,
+        "narHash": "sha256-2lbURKclgKqBNm7hVRtWh0A7NrdsibD0EaWhahUVhhY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "c12dcc9b61429b2ad437a7d4974399ad8f910319",
+        "rev": "4e12151c9e014e2449e0beca2c0e9534b96a26b4",
         "type": "github"
       },
       "original": {
@@ -191,11 +191,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1740367490,
-        "narHash": "sha256-WGaHVAjcrv+Cun7zPlI41SerRtfknGQap281+AakSAw=",
+        "lastModified": 1741851582,
+        "narHash": "sha256-cPfs8qMccim2RBgtKGF+x9IBCduRvd/N5F4nYpU0TVE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0196c0175e9191c474c26ab5548db27ef5d34b05",
+        "rev": "6607cf789e541e7873d40d3a8f7815ea92204f32",
         "type": "github"
       },
       "original": {

nix/configuration/hosts/odo/default.nix

@@ -65,6 +65,7 @@
   me.lvfs.enable = true;
   me.media.enable = true;
   me.nix_index.enable = true;
+  me.pcsx2.enable = true;
   me.python.enable = true;
   me.qemu.enable = true;
   me.rust.enable = true;

nix/configuration/hosts/odo/optimized_build.nix

@@ -22,16 +22,18 @@
         "nixos-test"
       ];
 
+      # Keep ALL dependencies so we can rebuild offline. This DRASTICALLY increase disk usage, but disk space is cheap.
+      # system.includeBuildDependencies = true;
+
       # nixpkgs.hostPlatform = {
       #   gcc.arch = "znver4";
       #   gcc.tune = "znver4";
       #   system = "x86_64-linux";
-
       # };
 
       nixpkgs.overlays = [
         (
-          self: super:
+          final: prev:
           let
             optimizeWithFlags =
               pkg: flags:
@@ -62,11 +64,17 @@
                   HZ_1000 = lib.kernel.no;
                 }
                 (
-                  optimizeWithFlags super.linux_6_12 [
+                  optimizeWithFlags prev.linux_6_13 [
                     "-march=znver4"
                     "-mtune=znver4"
                   ]
                 );
+            # gsl = prev.gsl.overrideAttrs (old: {
+            #   # gsl tests fails when optimizations are enabled.
+            #   # > FAIL: cholesky_invert unscaled hilbert (  4,  4)[0,2]: 2.55795384873636067e-13                        0
+            #   # >  (2.55795384873636067e-13 observed vs 0 expected) [28259614]
+            #   doCheck = false;
+            # });
           }
         )
       ];
@@ -74,7 +82,7 @@
       boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_znver4;
     })
     (lib.mkIf (config.me.buildingIso) {
-      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_12;
+      boot.kernelPackages = pkgs.linuxPackagesFor pkgs.linux_6_13;
       boot.supportedFilesystems.zfs = true;
     })
   ];

nix/configuration/hosts/odo/wifi.nix

@@ -9,9 +9,10 @@
   imports = [ ];
 
   config = {
-    environment.loginShellInit = lib.mkIf (!config.me.buildingIso) ''
-      doas iw dev wlan0 set power_save off
-    '';
+    # Doesn't seem necessary starting with 6.13
+    # environment.loginShellInit = lib.mkIf (!config.me.buildingIso) ''
+    #   doas iw dev wlan0 set power_save off
+    # '';
 
     # Enable debug logging for ath12k wifi card.
     boot.kernelParams = [

nix/configuration/roles/pcsx2/default.nix

@@ -0,0 +1,95 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    pcsx2.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install pcsx2.";
+    };
+  };
+
+  config = lib.mkIf config.me.pcsx2.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        environment.systemPackages = with pkgs; [
+          pcsx2
+        ];
+
+        environment.persistence."/state" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                # Shaders, games list, and achievement data.
+                directory = ".config/PCSX2/cache";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Save states.
+                directory = ".config/PCSX2/sstates";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Screenshots.
+                directory = ".config/PCSX2/snaps";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Game covers.
+                directory = ".config/PCSX2/covers";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+              {
+                # Video recordings.
+                directory = ".config/PCSX2/videos";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+
+        environment.persistence."/persist" = lib.mkIf (!config.me.buildingIso) {
+          hideMounts = true;
+          users.talexander = {
+            directories = [
+              {
+                # Game saves
+                directory = ".config/PCSX2/memcards";
+                user = "talexander";
+                group = "talexander";
+                mode = "0755";
+              }
+            ];
+          };
+        };
+
+        home-manager.users.talexander =
+          { pkgs, ... }:
+          {
+            home.file.".config/PCSX2/inis/PCSX2.ini" = {
+              source = ./files/PCSX2.ini;
+            };
+          };
+      })
+    ]
+  );
+}

nix/configuration/roles/pcsx2/files/PCSX2.ini

@@ -0,0 +1,104 @@
+[UI]
+SettingsVersion = 1
+InhibitScreensaver = true
+ConfirmShutdown = false
+StartPaused = false
+PauseOnFocusLoss = true
+StartFullscreen = true
+
+
+[Folders]
+Bios = ../../persist/games/ps2/bios
+Snapshots = snaps
+Savestates = sstates
+MemoryCards = memcards
+Logs = logs
+Cheats = cheats
+Patches = patches
+UserResources = resources
+Cache = cache
+Textures = textures
+InputProfiles = inputprofiles
+Videos = videos
+
+
+[EmuCore/GS]
+VsyncEnable = true
+# Internal resolution aspect corrected
+ScreenshotSize = 1
+# webp
+ScreenshotFormat = 2
+OsdShowFPS = true
+# Capture video at internal resolution
+VideoCaptureAutoResolution = true
+# 2x native resolution
+upscale_multiplier = 2
+CaptureContainer = mkv
+VideoCaptureCodec = av1_vaapi
+AudioCaptureCodec = flac
+
+
+[Filenames]
+BIOS = ps2-0230a-20080220.bin
+
+[MemoryCards]
+Slot1_Enable = true
+Slot1_Filename = Mcd001.ps2
+Slot2_Enable = true
+Slot2_Filename = Mcd002.ps2
+
+
+[InputSources]
+Keyboard = false
+Mouse = false
+SDL = true
+# Enhanced ps4 and ps5 controller support
+SDLControllerEnhancedMode = true
+SDLPS5PlayerLED = true
+
+
+[Pad1]
+Type = DualShock2
+InvertL = 0
+InvertR = 0
+Deadzone = 0
+AxisScale = 1.33
+LargeMotorScale = 1
+SmallMotorScale = 1
+ButtonDeadzone = 0
+PressureModifier = 0.5
+Up = SDL-0/DPadUp
+Right = SDL-0/DPadRight
+Down = SDL-0/DPadDown
+Left = SDL-0/DPadLeft
+Triangle = SDL-0/Y
+Circle = SDL-0/B
+Cross = SDL-0/A
+Square = SDL-0/X
+Select = SDL-0/Back
+Start = SDL-0/Start
+L1 = SDL-0/LeftShoulder
+L2 = SDL-0/+LeftTrigger
+R1 = SDL-0/RightShoulder
+R2 = SDL-0/+RightTrigger
+L3 = SDL-0/LeftStick
+R3 = SDL-0/RightStick
+LUp = SDL-0/-LeftY
+LRight = SDL-0/+LeftX
+LDown = SDL-0/+LeftY
+LLeft = SDL-0/-LeftX
+RUp = SDL-0/-RightY
+RRight = SDL-0/+RightX
+RDown = SDL-0/+RightY
+RLeft = SDL-0/-RightX
+Analog = SDL-0/Guide
+LargeMotor = SDL-0/LargeMotor
+SmallMotor = SDL-0/SmallMotor
+
+
+[AutoUpdater]
+CheckAtStartup = false
+
+
+[GameList]
+RecursivePaths = /home/talexander/persist/games/ps2/roms

nix/steam_deck/configuration/home.nix

@@ -9,6 +9,7 @@
   imports = [
     ./roles/2ship2harkinian
     ./roles/graphics
+    ./roles/pcsx2
     ./roles/shipwright
     ./roles/sm64ex
     ./roles/steam_rom_manager

nix/steam_deck/configuration/hosts/deck/default.nix

@@ -10,6 +10,7 @@
 
   config = {
     me.graphical = true;
+    me.pcsx2.enable = true;
     me.ship2harkinian.enable = true;
     me.shipwright.enable = true;
     me.sm64ex.enable = true;

nix/steam_deck/configuration/roles/pcsx2/default.nix

@@ -0,0 +1,94 @@
+# MANUAL: mkdir -p ~/.persist/.config/PCSX2/memcards ~/.state/.config/PCSX2/cache ~/.state/.config/PCSX2/sstates ~/.state/.config/PCSX2/snaps ~/.state/.config/PCSX2/covers ~/.state/.config/PCSX2/videos
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  steam_pcsx2 = pkgs.writeScriptBin "steam_pcsx2" ''
+    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.libglvnd}/lib"
+    exec ${pkgs.pcsx2}/bin/pcsx2-qt
+  '';
+in
+{
+  imports = [ ];
+
+  options.me = {
+    pcsx2.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install pcsx2.";
+    };
+  };
+
+  config = lib.mkIf config.me.pcsx2.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        home.packages = with pkgs; [
+          pcsx2
+          steam_pcsx2
+        ];
+
+        home.file.".config/PCSX2/inis/PCSX2.ini" = {
+          source = ./files/PCSX2.ini;
+        };
+
+        home.persistence."/home/deck/.persist" = {
+          directories = [
+            {
+              directory = ".config/PCSX2/memcards";
+              method = "symlink";
+            }
+          ];
+        };
+        home.persistence."/home/deck/.state" = {
+          directories = [
+            {
+              directory = ".config/PCSX2/cache";
+              method = "symlink";
+            }
+            {
+              directory = ".config/PCSX2/sstates";
+              method = "symlink";
+            }
+            {
+              directory = ".config/PCSX2/snaps";
+              method = "symlink";
+            }
+            {
+              directory = ".config/PCSX2/covers";
+              method = "symlink";
+            }
+            {
+              directory = ".config/PCSX2/videos";
+              method = "symlink";
+            }
+          ];
+        };
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            pcsx2 = pkgs.buildEnv {
+              name = prev.pcsx2.name;
+              paths = [
+                (config.lib.nixGL.wrap prev.pcsx2)
+              ];
+              extraOutputsToInstall = [
+                "man"
+                "doc"
+                "info"
+              ];
+              # We have to use 555 instead of the normal 444 here because the .desktop file ends up inside $HOME on steam deck and desktop files must be either not in $HOME or must be executable, otherwise KDE Plasma refuses to execute them.
+              postBuild = ''
+                chmod 0555 $out/share/applications/PCSX2.desktop
+              '';
+            };
+          })
+        ];
+      })
+    ]
+  );
+}

nix/steam_deck/configuration/roles/pcsx2/files/PCSX2.ini

@@ -0,0 +1,104 @@
+[UI]
+SettingsVersion = 1
+InhibitScreensaver = true
+ConfirmShutdown = false
+StartPaused = false
+PauseOnFocusLoss = true
+StartFullscreen = true
+
+
+[Folders]
+Bios = ../../.persist/manual/games/ps2/bios
+Snapshots = snaps
+Savestates = sstates
+MemoryCards = memcards
+Logs = logs
+Cheats = cheats
+Patches = patches
+UserResources = resources
+Cache = cache
+Textures = textures
+InputProfiles = inputprofiles
+Videos = videos
+
+
+[EmuCore/GS]
+VsyncEnable = true
+# Internal resolution aspect corrected
+ScreenshotSize = 1
+# webp
+ScreenshotFormat = 2
+OsdShowFPS = true
+# Capture video at internal resolution
+VideoCaptureAutoResolution = true
+# 2x native resolution
+upscale_multiplier = 2
+CaptureContainer = mkv
+VideoCaptureCodec = av1_vaapi
+AudioCaptureCodec = flac
+
+
+[Filenames]
+BIOS = ps2-0230a-20080220.bin
+
+[MemoryCards]
+Slot1_Enable = true
+Slot1_Filename = Mcd001.ps2
+Slot2_Enable = true
+Slot2_Filename = Mcd002.ps2
+
+
+[InputSources]
+Keyboard = false
+Mouse = false
+SDL = true
+# Enhanced ps4 and ps5 controller support
+SDLControllerEnhancedMode = true
+SDLPS5PlayerLED = true
+
+
+[Pad1]
+Type = DualShock2
+InvertL = 0
+InvertR = 0
+Deadzone = 0
+AxisScale = 1.33
+LargeMotorScale = 1
+SmallMotorScale = 1
+ButtonDeadzone = 0
+PressureModifier = 0.5
+Up = SDL-0/DPadUp
+Right = SDL-0/DPadRight
+Down = SDL-0/DPadDown
+Left = SDL-0/DPadLeft
+Triangle = SDL-0/Y
+Circle = SDL-0/B
+Cross = SDL-0/A
+Square = SDL-0/X
+Select = SDL-0/Back
+Start = SDL-0/Start
+L1 = SDL-0/LeftShoulder
+L2 = SDL-0/+LeftTrigger
+R1 = SDL-0/RightShoulder
+R2 = SDL-0/+RightTrigger
+L3 = SDL-0/LeftStick
+R3 = SDL-0/RightStick
+LUp = SDL-0/-LeftY
+LRight = SDL-0/+LeftX
+LDown = SDL-0/+LeftY
+LLeft = SDL-0/-LeftX
+RUp = SDL-0/-RightY
+RRight = SDL-0/+RightX
+RDown = SDL-0/+RightY
+RLeft = SDL-0/-RightX
+Analog = SDL-0/Guide
+LargeMotor = SDL-0/LargeMotor
+SmallMotor = SDL-0/SmallMotor
+
+
+[AutoUpdater]
+CheckAtStartup = false
+
+
+[GameList]
+RecursivePaths = /home/deck/.persist/manual/games/ps2/roms