Gaming: enable mangohud

flake.nix

@@ -65,6 +65,7 @@ outputs = {nixpkgs, nixpkgs-unstable, agenix, home-manager, home-manager-unstabl
 				./roles/common
 				./roles/desktop
 				./roles/kde
+				./roles/gaming
 				./machines/Archie
 			];
 		};

roles/desktop/firefox.nix

@@ -41,12 +41,12 @@
 					"Status" = "default";
 				};
 				/*
-				Not sure what this does,
+				https://wiki.archlinux.org/title/Firefox#KDE_integration tells me to enable this,
-				but https://wiki.archlinux.org/title/Firefox#KDE_integration
+				but strangely enough doing so makes firefox ask to be set as the default browser
-				tells me to enable it
+				every time you start it up, so I'll disable it
 				*/
 				"widget.use-xdg-desktop-portal.mime-handler" = {
-					"Value" = 1;
+					"Value" = 0;
 					"Status" = "default";
 				};
 			};

roles/gaming/default.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+	imports = [
+		./steam.nix
+		./mangohud.nix
+	];
+}

roles/gaming/mangohud.nix

@@ -0,0 +1,19 @@
+{ config, ... }:
+
+{
+	# This does the same as enableSessionWide does on the mangohud config
+	environment.sessionVariables = { MANGOHUD = "1"; MANGOHUD_DLSYM = "1"; };
+
+	home-manager.users.toast = { config, ... }:
+	{
+		programs.mangohud = {
+			enable = true;
+			# TODO: fix envvars set by home manager not applying for some reason
+			# This only works for Vulkan, openGL programs still need the mangohud wrapper
+			enableSessionWide = true;
+			settings = {
+				preset = 4;
+			};
+		};
+	};
+}

roles/gaming/steam.nix

@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+
+{
+	programs.steam = {
+		enable = true;
+		# Doubt that I'll use it, but I'll enable it anyways
+		remotePlay.openFirewall = true;
+	};
+	# Some linux native games (rise of the tomb raider) use alsa for sound
+	services.pipewire.alsa.enable = true;
+}