[desktop] Add vulkan HDR layer, disabled

packages/default.nix

@@ -2,4 +2,5 @@
 {
   nextcloudTalkDesktop = pkgs.callPackage ./nextcloud-talk-desktop {};
   modrinthNvidia = pkgs.callPackage ./modrinth-nvidia {};
+  vulkanHDRLayer = pkgs.callPackage ./vulkan-hdr-layer {};
 }

packages/vulkan-hdr-layer/default.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, wayland-scanner }:
+
+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 wayland-scanner ];
+
+  # 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;
+  };
+}

roles/desktop/default.nix

@@ -12,6 +12,8 @@ let
     mangohud # Should probably get refactored with steam/gamescope out to a gaming role
     modrinth-app
     protonup-qt
+
+    #customPackages.vulkanHDRLayer
   ];
 
   x11BasePackages = with pkgs; [