add shadowplay (basically)

modules/graphical/default.nix

@@ -27,5 +27,6 @@
     ./xfce.nix
     ./basics.nix
     ./sway.nix
+    ./gpu-screen-recorder-ui.nix
   ];
 }

modules/graphical/gpu-screen-recorder-ui.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.custom.graphical.gpu-screen-recorder-ui;
+  package = cfg.package.override {
+    inherit (config.security) wrapperDir;
+  };
+in
+{
+  options = {
+    custom.graphical.gpu-screen-recorder-ui = {
+      package = lib.mkPackageOption pkgs "gpu-screen-recorder-ui" { };
+
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = false;
+        description = ''
+          Whether to install gpu-screen-recorder-ui and generate setcap
+          wrappers for global hotkeys.
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    programs.gpu-screen-recorder.enable = lib.mkDefault true;
+
+    environment.systemPackages = [ package ];
+
+    systemd.packages = [ package ];
+
+    security.wrappers."gsr-global-hotkeys" = {
+      owner = "root";
+      group = "root";
+      capabilities = "cap_setuid+ep";
+      source = lib.getExe' package "gsr-global-hotkeys";
+    };
+  };
+
+  meta.maintainers = with lib.maintainers; [ js6pak ];
+}

pkgs/default.nix

@@ -13,4 +13,6 @@
   mangal-patched = pkgs.callPackage ./mangal/default.nix { };
   rdna4-lact = pkgs.callPackage ./lact/default.nix { };
   csharp-ls-8 = pkgs.callPackage ./csharp-lsp/default.nix { };
+  gpu-screen-recorder-ui = pkgs.callPackage ./gpu-screen-recorder-ui/default.nix { };
+  gpu-screen-recorder-notification = pkgs.callPackage ./gpu-screen-recorder-notification/default.nix { };
 }

pkgs/gpu-screen-recorder-notification/default.nix

@@ -0,0 +1,61 @@
+{ lib
+, stdenv
+, fetchgit
+, pkg-config
+, meson
+, ninja
+, libX11
+, libXrender
+, libXrandr
+, libXext
+, libglvnd
+, wayland
+, wayland-scanner
+, gitUpdater
+,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "gpu-screen-recorder-notification";
+  version = "1.0.7";
+
+  src = fetchgit {
+    url = "https://repo.dec05eba.com/${pname}";
+    tag = version;
+    hash = "sha256-hdsbQewnqSJvWEW9HaFuVf6vDAY5CDCGxVFsxZJ4Yh8=";
+  };
+
+  postPatch = ''
+    substituteInPlace depends/mglpp/depends/mgl/src/gl.c \
+      --replace-fail "libGL.so.1" "${lib.getLib libglvnd}/lib/libGL.so.1" \
+      --replace-fail "libGLX.so.0" "${lib.getLib libglvnd}/lib/libGLX.so.0" \
+      --replace-fail "libEGL.so.1" "${lib.getLib libglvnd}/lib/libEGL.so.1"
+  '';
+
+  nativeBuildInputs = [
+    pkg-config
+    meson
+    ninja
+  ];
+
+  buildInputs = [
+    libX11
+    libXrender
+    libXrandr
+    libXext
+    libglvnd
+    wayland
+    wayland-scanner
+  ];
+
+  passthru.updateScript = gitUpdater { };
+
+  meta = {
+    description = "Notification in the style of ShadowPlay";
+    homepage = "https://git.dec05eba.com/${pname}/about/";
+    license = lib.licenses.gpl3Only;
+    mainProgram = "gsr-notify";
+    maintainers = with lib.maintainers; [ js6pak ];
+    platforms = lib.platforms.linux;
+  };
+}

pkgs/gpu-screen-recorder-ui/default.nix

@@ -0,0 +1,99 @@
+{
+  lib,
+  stdenv,
+  fetchgit,
+  pkg-config,
+  meson,
+  ninja,
+  makeWrapper,
+  gpu-screen-recorder,
+  gpu-screen-recorder-notification,
+  libX11,
+  libXrender,
+  libXrandr,
+  libXcomposite,
+  libXi,
+  libXcursor,
+  libglvnd,
+  libpulseaudio,
+  libdrm,
+  wayland,
+  wayland-scanner,
+  wrapperDir ? "/run/wrappers/bin",
+  gitUpdater,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "gpu-screen-recorder-ui";
+  version = "1.6.1";
+
+  src = fetchgit {
+    url = "https://repo.dec05eba.com/${pname}";
+    tag = version;
+    hash = "sha256-HKUbxX6EXLR4N/ag7gLIqitxBRU+1aLtlqDiSS7LK5I=";
+  };
+
+  postPatch = ''
+    substituteInPlace depends/mglpp/depends/mgl/src/gl.c \
+      --replace-fail "libGL.so.1" "${lib.getLib libglvnd}/lib/libGL.so.1" \
+      --replace-fail "libGLX.so.0" "${lib.getLib libglvnd}/lib/libGLX.so.0" \
+      --replace-fail "libEGL.so.1" "${lib.getLib libglvnd}/lib/libEGL.so.1"
+
+    substituteInPlace extra/gpu-screen-recorder-ui.service \
+      --replace-fail "ExecStart=${meta.mainProgram}" "ExecStart=$out/bin/${meta.mainProgram}"
+  '';
+
+  nativeBuildInputs = [
+    pkg-config
+    meson
+    ninja
+    makeWrapper
+  ];
+
+  buildInputs = [
+    libX11
+    libXrender
+    libXrandr
+    libXcomposite
+    libXi
+    libXcursor
+    libglvnd
+    libpulseaudio
+    libdrm
+    wayland
+    wayland-scanner
+  ];
+
+  mesonFlags = [
+    # Handled by the module
+    (lib.mesonBool "capabilities" false)
+  ];
+
+  postInstall =
+    let
+      gpu-screen-recorder-wrapped = gpu-screen-recorder.override {
+        inherit wrapperDir;
+      };
+    in
+    ''
+      wrapProgram "$out/bin/${meta.mainProgram}" \
+        --prefix PATH : "${wrapperDir}" \
+        --suffix PATH : "${
+          lib.makeBinPath [
+            gpu-screen-recorder-wrapped
+            gpu-screen-recorder-notification
+          ]
+        }"
+    '';
+
+  passthru.updateScript = gitUpdater { };
+
+  meta = {
+    description = "Fullscreen overlay UI for GPU Screen Recorder in the style of ShadowPlay";
+    homepage = "https://git.dec05eba.com/${pname}/about/";
+    license = lib.licenses.gpl3Only;
+    mainProgram = "gsr-ui";
+    maintainers = with lib.maintainers; [ js6pak ];
+    platforms = lib.platforms.linux;
+  };
+}

systems/pc/configuration.nix

@@ -75,6 +75,7 @@
       ime.enable = true;
       noise-supression.enable = true;
       obs.enable = true;
+      gpu-screen-recorder-ui.enable = true;
       #openrgb.enable = true;
       sddm.enable = true;
       nightlight.enable = true;