Add dolphin for gamecube and wii.

nix/steam_deck/configuration/flake.nix

@@ -35,7 +35,10 @@
       homeConfigurations."deck" = home-manager.lib.homeManagerConfiguration {
         inherit pkgs;
 
-        extraSpecialArgs = { inherit nixgl; };
+        extraSpecialArgs = {
+          inherit nixgl;
+          inherit home-manager;
+        };
 
         modules = [
           { nixpkgs.overlays = [ nixgl.overlay ]; }

nix/steam_deck/configuration/home.nix

@@ -9,6 +9,7 @@
   imports = [
     ./roles/2ship2harkinian
     ./roles/ares
+    ./roles/dolphin
     ./roles/global_options
     ./roles/graphics
     ./roles/pcsx2

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

@@ -10,6 +10,7 @@
 
   config = {
     me.ares.enable = true;
+    me.dolphin.enable = true;
     me.graphical = true;
     me.optimizations.enable = true;
     me.pcsx2.enable = true;

nix/steam_deck/configuration/roles/ares/default.nix

@@ -64,6 +64,7 @@ in
               original_package =
                 if config.me.optimizations.enable then
                   (optimizeWithFlags prev.ares [
+                    # Verified working with ps
                     "-march=znver2"
                     "-mtune=znver2"
                   ])

nix/steam_deck/configuration/roles/dolphin/default.nix

@@ -0,0 +1,150 @@
+{
+  config,
+  lib,
+  pkgs,
+  home-manager,
+  ...
+}:
+
+let
+  steam_dolphin = pkgs.writeScriptBin "steam_dolphin" ''
+    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.libglvnd}/lib"
+    exec ${pkgs.dolphin-emu}/bin/dolphin-emu "''${@}"
+  '';
+in
+{
+  imports = [ ];
+
+  options.me = {
+    dolphin.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install dolphin.";
+    };
+  };
+
+  config = lib.mkIf config.me.dolphin.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        home.packages = with pkgs; [
+          dolphin-emu
+          steam_dolphin
+        ];
+
+        home.file.".config/dolphin-emu/Dolphin.ini" = {
+          source = ./files/Dolphin.ini;
+        };
+
+        home.file.".config/dolphin-emu/GFX.ini" = {
+          source = ./files/GFX.ini;
+        };
+
+        home.file.".config/dolphin-emu/Profiles/GCPad/deck.ini" = {
+          source = ./files/deck.ini;
+        };
+
+        home.file.".config/dolphin-emu/GCPadNew.ini" = {
+          source = ./files/GCPadNew.ini;
+        };
+
+        home.persistence."/home/deck/.persist" = {
+          directories = [
+            {
+              # The system memory
+              directory = ".local/share/dolphin-emu/Wii";
+              method = "symlink";
+            }
+            {
+              # Memory card(s)
+              directory = ".local/share/dolphin-emu/Load";
+              method = "symlink";
+            }
+            {
+              # Gamecube
+              directory = ".local/share/dolphin-emu/GC";
+              method = "symlink";
+            }
+            {
+              # Screenshots
+              directory = ".local/share/dolphin-emu/ScreenShots";
+              method = "symlink";
+            }
+            {
+              # GameBoy Advanced
+              directory = ".local/share/dolphin-emu/GBA/Saves";
+              method = "symlink";
+            }
+          ];
+        };
+
+        home.persistence."/home/deck/.state" = {
+          directories = [
+            {
+              directory = ".cache/dolphin-emu";
+              method = "symlink";
+            }
+            {
+              directory = ".local/share/dolphin-emu/Shaders";
+              method = "symlink";
+            }
+            {
+              directory = ".local/share/dolphin-emu/StateSaves";
+              method = "symlink";
+            }
+          ];
+        };
+
+        home.activation = {
+          createDolphinDirectories = home-manager.lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+            for dir in '.local/share/dolphin-emu/Wii' '.cache/dolphin-emu' '.local/share/dolphin-emu/Load' '.local/share/dolphin-emu/GC' '.local/share/dolphin-emu/ScreenShots' '.local/share/dolphin-emu/GBA/Saves' '.local/share/dolphin-emu/Shaders' '.local/share/dolphin-emu/StateSaves' ; do
+              echo "checking $dir"
+              if [[ ! -d "$HOME/.persist/$dir" ]]; then
+                $DRY_RUN_CMD mkdir $VERBOSE_ARG -p "$HOME/.persist/$dir"
+              fi
+            done
+          '';
+        };
+
+        nixpkgs.overlays = [
+          (
+            final: prev:
+            let
+              optimizeWithFlags =
+                pkg: flags:
+                pkg.overrideAttrs (old: {
+                  NIX_CFLAGS_COMPILE = [ (old.NIX_CFLAGS_COMPILE or "") ] ++ flags;
+                });
+              original_package =
+                if config.me.optimizations.enable then
+                  (optimizeWithFlags prev.dolphin-emu [
+                    # Verified working with ps
+                    "-march=znver2"
+                    "-mtune=znver2"
+                  ])
+                else
+                  prev.dolphin-emu;
+            in
+            {
+              dolphin-emu = pkgs.buildEnv {
+                name = prev.dolphin-emu.name;
+                paths = [
+                  (config.lib.nixGL.wrap original_package)
+                ];
+                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/dolphin-emu.desktop
+                '';
+              };
+            }
+          )
+        ];
+      })
+    ]
+  );
+}

nix/steam_deck/configuration/roles/dolphin/files/Dolphin.ini

@@ -0,0 +1,25 @@
+[Analytics]
+Enabled = False
+PermissionAsked = True
+[Core]
+GFXBackend = Vulkan
+# GFXBackend = OGL
+SlotA = 8 # GCI Folder (each game gets its own file)
+SlotB = 255 # None
+WiiSDCard = False
+[Display]
+RenderToMain = True
+[General]
+ISOPath0 = /home/deck/.persist/manual/games/nintendo_gamecube/roms
+ISOPath1 = /home/deck/.persist/manual/games/nintendo_wii/roms
+ISOPaths = 2
+RecursiveISOPaths = True
+[DSP]
+Backend = Cubeb
+# Backend = Pulse
+# Backend = ALSA
+[USBPassthrough]
+Devices = 057e:0305
+# BluetoothPassthrough must be at the end for the pairings to save properly
+[BluetoothPassthrough]
+Enabled = True

nix/steam_deck/configuration/roles/dolphin/files/GCPadNew.ini

@@ -0,0 +1,32 @@
+[GCPad1]
+Device = SDL/0/Steam Deck Controller
+Buttons/A = `Button S`
+Buttons/B = `Button E`
+Buttons/X = `Button W`
+Buttons/Y = `Button N`
+Buttons/Z = `Shoulder R`
+Buttons/Start = Start
+Main Stick/Up = `Left Y+`
+Main Stick/Down = `Left Y-`
+Main Stick/Left = `Left X-`
+Main Stick/Right = `Left X+`
+Main Stick/Modifier = `Thumb L`
+Main Stick/Calibration = 100.00 101.96 108.24 120.27 137.87 120.27 108.24 101.96 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 136.32 120.27 108.24 101.96
+C-Stick/Up = `Right Y+`
+C-Stick/Down = `Right Y-`
+C-Stick/Left = `Right X-`
+C-Stick/Right = `Right X+`
+C-Stick/Modifier = `Thumb R`
+C-Stick/Calibration = 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 136.25 120.27 108.24 101.96 100.00 101.96 108.24 120.27 134.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96
+D-Pad/Up = `Pad N`
+D-Pad/Down = `Pad S`
+D-Pad/Left = `Pad W`
+D-Pad/Right = `Pad E`
+Triggers/L-Analog = `Trigger L`
+Triggers/R-Analog = `Trigger R`
+[GCPad2]
+Device = XInput2/0/Virtual core pointer
+[GCPad3]
+Device = XInput2/0/Virtual core pointer
+[GCPad4]
+Device = XInput2/0/Virtual core pointer

nix/steam_deck/configuration/roles/dolphin/files/GFX.ini

@@ -0,0 +1,16 @@
+# [Enhancements]
+#MaxAnisotropy = 4 # 16x Anisotropic texture filtering
+# MaxAnisotropy = 2 # 4x Anisotropic texture filtering
+#MaxAnisotropy = 1 # 2x Anisotropic texture filtering
+#MaxAnisotropy = 0 # default
+[Settings]
+WaitForShadersBeforeStarting = True
+# WaitForShadersBeforeStarting = False
+# MSAA = 0x00000004 # 4x MSAA
+#MSAA = 0x00000002 # 2x MSAA
+#MSAA = 0x00000001 # none
+SSAA = False
+# InternalResolution = 1 # 2x native
+#ShaderCompilationMode = 2 # Hybrid ubershaders
+ShaderCompilationMode = 3 # Skip
+# ShowGraphs = True

nix/steam_deck/configuration/roles/dolphin/files/deck.ini

@@ -0,0 +1,26 @@
+[Profile]
+Device = SDL/0/Steam Deck Controller
+Buttons/A = `Button S`
+Buttons/B = `Button E`
+Buttons/X = `Button W`
+Buttons/Y = `Button N`
+Buttons/Z = `Shoulder R`
+Buttons/Start = Start
+Main Stick/Up = `Left Y+`
+Main Stick/Down = `Left Y-`
+Main Stick/Left = `Left X-`
+Main Stick/Right = `Left X+`
+Main Stick/Modifier = `Thumb L`
+Main Stick/Calibration = 100.00 101.96 108.24 120.27 137.87 120.27 108.24 101.96 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 136.32 120.27 108.24 101.96
+C-Stick/Up = `Right Y+`
+C-Stick/Down = `Right Y-`
+C-Stick/Left = `Right X-`
+C-Stick/Right = `Right X+`
+C-Stick/Modifier = `Thumb R`
+C-Stick/Calibration = 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 136.25 120.27 108.24 101.96 100.00 101.96 108.24 120.27 134.42 120.27 108.24 101.96 100.00 101.96 108.24 120.27 141.42 120.27 108.24 101.96
+Triggers/L-Analog = `Trigger L`
+Triggers/R-Analog = `Trigger R`
+D-Pad/Up = `Pad N`
+D-Pad/Down = `Pad S`
+D-Pad/Left = `Pad W`
+D-Pad/Right = `Pad E`