From d60892df98d76b853c5c55b99bab542654ec6499 Mon Sep 17 00:00:00 2001
From: "Alexander \"PapaTutuWawa" <papatutuwawa@polynom.me>
Date: Mon, 30 May 2022 14:52:56 +0200
Subject: [PATCH] packages: Add gamescope

---
 .../wayfire/firedecor/default.nix             | 27 +++++++++
 packages/default.nix                          | 33 ++++++++++
 packages/tools/games/gamescope/default.nix    | 60 +++++++++++++++++++
 3 files changed, 120 insertions(+)
 create mode 100644 packages/applications/wayfire/firedecor/default.nix
 create mode 100644 packages/tools/games/gamescope/default.nix

diff --git a/packages/applications/wayfire/firedecor/default.nix b/packages/applications/wayfire/firedecor/default.nix
new file mode 100644
index 0000000..af7816a
--- /dev/null
+++ b/packages/applications/wayfire/firedecor/default.nix
@@ -0,0 +1,27 @@
+{
+  lib, stdenv
+, fetchFromGitHub
+, wayfire, wf-config, librsvg, boost, wlroots, pango, wayland, libxkbcommon, systemd, libinput
+, meson, pkg-config, cmake, ninja
+}:
+
+stdenv.mkDerivation {
+  pname = "firedecor";
+  version = "20220519";
+
+  src = fetchFromGitHub {
+    owner = "AhoyISki";
+    repo = "Firedecor";
+    rev = "0170c4df209f0226295a9e2aa3cae782d9861908";
+    sha256 = "0a8vc4l3az14l8piwzqgfqsdv16kakcvcznvw6q1dgb2sf97zdlv";
+  };
+
+  nativeBuildInputs = [ meson pkg-config cmake ninja ];
+
+  buildInputs = [ wayfire librsvg boost wf-config wlroots pango wayland libxkbcommon systemd libinput ];
+
+  patchPhase = ''
+    sed -e "s|wayfire.get_variable(pkgconfig: 'plugindir')|'$out/usr/lib/wayfire'|" --in-place src/meson.build
+    sed -e "s|wayfire.get_variable(pkgconfig: 'metadatadir')|'$out/usr/lib/wayfire'|" --in-place metadata/meson.build
+  '';
+}
diff --git a/packages/default.nix b/packages/default.nix
index eb220fd..768919f 100644
--- a/packages/default.nix
+++ b/packages/default.nix
@@ -10,6 +10,33 @@ let
     extraStartupArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland";
     #extraStartupArgs = "--enable-features=UseOzonePlatform --ozone-platform=wayland --enable-features=WebRTCPipeWireCapturer";
   };
+  wf-config_0_8 = prev.wf-config.overrideAttrs (old: {
+    version = "0.8-git";
+    src = prev.fetchFromGitHub {
+      owner = "wayfirewm";
+      repo = "wf-config";
+      rev = "e42a3870fb194842a505ad5a9671be1aebda0b0b";
+      sha256 = "0n6i3hizbqixxjh33950ya8avwqil5k94jbgff1pimcbh9ahpgrr";
+    };
+  });
+  wayfire-master = (prev.wayfireApplications-unwrapped.wayfire.overrideAttrs (old: {
+    version = "0.8.0-20220526";
+    src = prev.fetchgit {
+      url = "https://github.com/WayfireWM/wayfire.git";
+      rev = "5dbf0d0fd8ec46cf112f05fb63057f5b6d06b10d";
+      sha256 = "sha256-ZeaNSlDHoiLnRlHKk14meDbrizIz+nm3iYl90vvo2Ps=";
+      fetchSubmodules = true;
+    };
+
+    buildInputs = (map
+      # Override wlroots with wlroots_0_15
+      (x: if (prev.lib.getName x) == "wlroots"
+          then prev.wlroots_0_15
+          else x
+      ) old.buildInputs) ++ [ prev.pango prev.libevdev prev.nlohmann_json ];
+  })).override {
+    wf-config = wf-config_0_8;
+  };
 in {
   inherit discord-system-electron;
 
@@ -69,4 +96,10 @@ in {
   zoom-vm = prev.callPackage scripts/zoom-vm {};
 
   razer-cli = prev.callPackage tools/hardware/razer-cli {};
+
+  gamescope = prev.callPackage tools/games/gamescope {};
+
+  wayfire-firedecor = prev.callPackage applications/wayfire/firedecor {
+    wayfire = wayfire-master;
+  };
 }
diff --git a/packages/tools/games/gamescope/default.nix b/packages/tools/games/gamescope/default.nix
new file mode 100644
index 0000000..11a2dc6
--- /dev/null
+++ b/packages/tools/games/gamescope/default.nix
@@ -0,0 +1,60 @@
+{ lib, stdenv, fetchFromGitHub, meson, pkgconfig, libdrm, xorg
+, wayland, wayland-protocols, libxkbcommon, libcap
+, SDL2, mesa, libinput, pixman, xcbutilerrors, xcbutilwm, glslang
+, ninja, makeWrapper, xwayland, libuuid, xcbutilrenderutil
+, pipewire, stb, writeText, wlroots, vulkan-loader, vulkan-headers }:
+
+let
+  stbpc = writeText "stbpc" ''
+    prefix=${stb}
+    includedir=''${prefix}/include/stb
+    Cflags: -I''${includedir}
+    Name: stb
+    Version: ${stb.version}
+    Description: stb
+  '';
+  stb_ = stb.overrideAttrs (oldAttrs: rec {
+    installPhase = ''
+      ${oldAttrs.installPhase}
+      install -Dm644 ${stbpc} $out/lib/pkgconfig/stb.pc
+    '';
+  });
+in stdenv.mkDerivation rec {
+  pname = "gamescope";
+  version = "3.9.1";
+
+  src = fetchFromGitHub {
+    owner = "Plagman";
+    repo = "gamescope";
+    rev = version;
+    sha256 = "05a1sj1fl9wpb9jys515m96958cxmgim8i7zc5mn44rjijkfbfcb";
+    fetchSubmodules = true;
+  };
+
+  preConfigure = ''
+    substituteInPlace meson.build \
+      --replace "'examples=false'" "'examples=false', 'logind-provider=systemd', 'libseat=disabled'"
+  '';
+
+  postInstall = ''
+    wrapProgram $out/bin/gamescope \
+      --prefix PATH : "${lib.makeBinPath [ xwayland ]}"
+  '';
+
+  buildInputs = with xorg; [
+    libX11 libXdamage libXcomposite libXrender libXext libXxf86vm
+    libXtst libdrm vulkan-loader wayland wayland-protocols
+    libxkbcommon libcap SDL2 mesa libinput pixman xcbutilerrors
+    xcbutilwm libXi libXres libuuid xcbutilrenderutil xwayland
+    pipewire wlroots
+  ];
+  nativeBuildInputs = [ meson pkgconfig glslang ninja makeWrapper stb_ ];
+
+  meta = with lib; {
+    description = "The micro-compositor formerly known as steamcompmgr";
+    license = licenses.bsd2;
+    homepage = src.meta.homepage;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ ];
+  };
+}