add vulkan layer back

hosts/desktop/configuration.nix

@@ -220,6 +220,7 @@ in
       clinfo
       neofetch
       gamescope
+      gamescope-wsi
       mangohud
       goverlay
       heroic

hosts/desktop/home.nix

@@ -1,5 +1,8 @@
-# Matt home.nix
-{ pkgs, ... }: {
+{ pkgs, ... }: 
+let
+  vulkan-hdr-layer = import ./vulkan-hdr-layer.nix { inherit (pkgs) lib stdenv fetchFromGitHub meson pkg-config vulkan-loader ninja writeText vulkan-headers vulkan-utility-libraries jq wayland; libX11 = pkgs.xorg.libX11; libXrandr = pkgs.xorg.libXrandr; libxcb = pkgs.xorg.libxcb; };
+in 
+{
 
   home.username = "matt";
   home.homeDirectory = "/home/matt";
@@ -17,25 +20,6 @@
 
   home.packages = [
     # Other packages
+    vulkan-hdr-layer
   ];
-
-  # custom systemd services
-  # systemd.user.services.fix-wifi = {
-  #   Unit = {
-  #     Description = "Reset wifi adapter so that it works on boot consistently.";
-  #   };
-  #   Install = {
-  #     WantedBy = [ "default.target" ];
-  #   };
-  #   Service = {
-  #     ExecStart = "/home/matt/nix-config/scripts/reset_wifi";
-  #     # ExecStart = "${pkgs.writeShellScript "fix-wifi" ''
-  #     #   #!/usr/bin/env bash
-  #     #   echo 1 | sudo -u root tee /sys/bus/pci/devices/0000\:09\:00.0/reset
-  #     #   sudo rmmod iwlwifi
-  #     #   sudo modprobe iwlwifi
-  #     # ''}";
-  #   };
-  # };
-
-}
+}

hosts/desktop/vulkan-hdr-layer.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, meson, pkg-config, vulkan-loader, ninja, writeText, vulkan-headers, vulkan-utility-libraries,  jq, libX11, libXrandr, libxcb, wayland }:
+
+stdenv.mkDerivation rec {
+  pname = "vulkan-hdr-layer";
+  version = "63d2eec";
+
+  src = (fetchFromGitHub {
+    owner = "Zamundaaa";
+    repo = "VK_hdr_layer";
+    rev = "869199cd2746e7f69cf19955153080842b6dacfc";
+    fetchSubmodules = true;
+    hash = "sha256-xfVYI+Aajmnf3BTaY2Ysg5fyDO6SwDFGyU0L+F+E3is=";
+  }).overrideAttrs (_: {
+    GIT_CONFIG_COUNT = 1;
+    GIT_CONFIG_KEY_0 = "url.https://github.com/.insteadOf";
+    GIT_CONFIG_VALUE_0 = "git@github.com:";
+  });
+
+  nativeBuildInputs = [ vulkan-headers meson ninja pkg-config jq ];
+
+  buildInputs = [ vulkan-headers vulkan-loader vulkan-utility-libraries libX11 libXrandr libxcb wayland ];
+
+  # Help vulkan-loader find the validation layers
+  setupHook = writeText "setup-hook" ''
+    addToSearchPath XDG_DATA_DIRS @out@/share
+  '';
+
+  meta = with lib; {
+    description = "Layers providing Vulkan HDR";
+    homepage = "https://github.com/Zamundaaa/VK_hdr_layer";
+    platforms = platforms.linux;
+    license = licenses.mit;
+  };
+}