Fix sway screensharing issues

shared/core/default.nix

@@ -3,8 +3,7 @@
 {
 
   imports = [
-    ./gui/pipewire.nix
-    ./gui/sway.nix
+    ./gui.nix
     ./nix.nix
     ./ssh.nix
   ];

shared/core/gui.nix

@@ -0,0 +1,57 @@
+# Almost everything in this file is required to get screen sharing on sway
+# to work properly. The rest is required to get sway to work at all.
+
+{ pkgs, config, lib, ... }: 
+
+let cfg = config.custom.gui;
+in {
+
+  options.custom.gui = {
+    enable = lib.mkEnableOption "Nix-managed GUI services";
+  };
+
+  config = lib.mkIf (cfg.enable) {
+    hardware.opengl.enable = true;
+    hardware.nvidia.modesetting.enable = true;
+
+    security.rtkit.enable = true;
+
+    services.xserver = {
+      enable = true;
+      displayManager.gdm.enable = true;
+      videoDrivers = [ "nvidia" ];
+    };
+
+    services.pipewire = {
+      enable = true;
+      pulse.enable = true;
+      wireplumber.enable = true;
+    };
+
+    services.dbus.enable = true;
+
+    programs.sway = {
+      enable = true;
+      extraPackages = [
+        pkgs.vulkan-validation-layers
+      ];
+    };
+
+    xdg.portal = {
+      enable = true;
+      wlr.enable = true;
+      extraPortals = [
+        pkgs.xdg-desktop-portal-kde
+      ];
+    };
+
+    environment.systemPackages = with pkgs; [
+      brightnessctl
+      mesa
+      polkit_gnome
+      vulkan-tools
+      xdg-desktop-portal-wlr
+    ];
+  };
+
+}

shared/core/gui/pipewire.nix

@@ -1,24 +0,0 @@
-{ pkgs, lib, config, ... }:
-
-let cfg = config.custom.gui.pipewire;
-
-in with lib; {
-
-  options.custom.gui.pipewire = {
-    enable = mkEnableOption "pipewire";
-  };
-
-  config = mkIf (cfg.enable) {
-
-    environment.defaultPackages = with pkgs; [
-      pavucontrol
-    ];
-
-    services.pipewire = {
-      enable = true;
-      pulse.enable = true;
-    };
-
-  };
-  
-}

shared/core/gui/sway.nix

@@ -1,10 +0,0 @@
-{ ... }: {
-  hardware.opengl.enable = true;
-  services.xserver.enable = true;
-  services.xserver.displayManager.gdm = {
-    enable = true;
-  };
-  programs.sway.enable = true;
-  services.xserver.videoDrivers = [ "nvidia" ];
-  hardware.nvidia.modesetting.enable = true;
-}

shared/home/gui/sway.nix

@@ -47,15 +47,19 @@ in with lib; {
       '')
     ];
 
-    # programs.swaylock.enable = true;
-    # services.swayidle.enable = true;
     programs.waybar.enable = true;
 
     wayland.windowManager.sway = {
       # This is all required to get it to not die.
       enable = true;
-      extraSessionCommands = "export WLR_NO_HARDWARE_CURSORS=1";
+      wrapperFeatures.gtk = true;
+      extraSessionCommands = ''
+        export WLR_NO_HARDWARE_CURSORS=1;
+        export WLR_RENDERER=vulkan;
+        export WLR_EGL_NO_MODIFIERS=1;
+      '';
       extraOptions = [ "--unsupported-gpu" ];
+      systemdIntegration = true;
 
       config = rec {
         output."*".bg = "${../../data/wallpaper.jpg} fill";
@@ -93,8 +97,8 @@ in with lib; {
             "${mod}+q"       = "exec ${pkgs.foot}/bin/foot";
             "${mod}+Return"  = "exec ${terminal}";
             "${mod}+Escape"  = "exec swaylock";
-            "${mod}+Tab"     = "exec ${pkgs.firefox}/bin/firefox";
-            "${mod}+Alt+Tab" = "exec ${pkgs.google-chrome}/bin/google-chrome-stable";
+            "${mod}+Tab"     = "exec ${pkgs.firefox-wayland}/bin/firefox";
+            "${mod}+Alt+Tab" = "exec ${pkgs.google-chrome}/bin/google-chrome-stable --ozone-platform-hint=auto --enable-features=VaapiVideoDecoder,VaapiVideoEncoder";
 
             "${mod}+Backspace" = "mode kill";
           }

system/strawberry/core.nix

@@ -1,7 +1,7 @@
 { ... }: {
 
   custom = {
-    gui.pipewire.enable = true;
+    gui.enable = true;
   };
 
   system.stateVersion = "21.11";