From a9dd12c333095db6e02516f57da7b94dabc8d611 Mon Sep 17 00:00:00 2001
From: Sean Kovacs <kovacsmillio@gmail.com>
Date: Mon, 16 Mar 2026 12:05:19 -0400
Subject: [PATCH] changes to gamescope

---
 flake.lock                     |  8 ++++----
 flake.nix                      |  2 +-
 packages/gamescope/default.nix | 28 ++++++++++++++++++++++++++++
 packages/overlay.nix           |  1 +
 system/default.nix             | 12 +++++++++++-
 5 files changed, 45 insertions(+), 6 deletions(-)
 create mode 100644 packages/gamescope/default.nix

diff --git a/flake.lock b/flake.lock
index 666ac71..a2c2772 100644
--- a/flake.lock
+++ b/flake.lock
@@ -229,17 +229,17 @@
     "niri-blur": {
       "flake": false,
       "locked": {
-        "lastModified": 1772873838,
-        "narHash": "sha256-pFh7J2fBqsZvZrD26zfOj30qTM8+7PLZsNSLX+VOcUA=",
+        "lastModified": 1772514470,
+        "narHash": "sha256-nSrfHwbjg8/Rfx5pqDqU8bL5IWh99MsvxfjNZYxqEFw=",
         "owner": "niri-wm",
         "repo": "niri",
-        "rev": "5393902dd22e9d540438ee178775f1e488eea724",
+        "rev": "c837d944f0cc08580ee86574dd0c3a68ca9379a4",
         "type": "github"
       },
       "original": {
         "owner": "niri-wm",
-        "ref": "wip/branch",
         "repo": "niri",
+        "rev": "c837d944f0cc08580ee86574dd0c3a68ca9379a4",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index e7d4f3b..f4165ce 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,7 +30,7 @@
     };
 
     niri-blur = {
-      url = "github:niri-wm/niri/wip/branch";
+      url = "github:niri-wm/niri/c837d944f0cc08580ee86574dd0c3a68ca9379a4";
       flake = false;
     };
 
diff --git a/packages/gamescope/default.nix b/packages/gamescope/default.nix
new file mode 100644
index 0000000..30f39c2
--- /dev/null
+++ b/packages/gamescope/default.nix
@@ -0,0 +1,28 @@
+{
+  gamescope,
+  fetchFromGitHub,
+}:
+
+let
+  rev = "9416ca9334da7ff707359e5f6aa65dcfff66aa01";
+in
+gamescope.overrideAttrs (oldAttrs: {
+  version = "unstable-20251206105151-9416ca";
+  NIX_CFLAGS_COMPILE = [ "-fno-fast-math" ];
+
+  src = fetchFromGitHub {
+    inherit rev;
+    owner = "ValveSoftware";
+    repo = "gamescope";
+    fetchSubmodules = true;
+    hash = "sha256-bZXyNmhLG1ZcD9nNKG/BElp6I57GAwMSqAELu2IZnqA=";
+  };
+
+  # Unsure if this bit is necessary, though I guess it's nice to have the version gamescope shows match
+  postPatch = (oldAttrs.postPatch or "") + ''
+    substituteInPlace src/meson.build \
+      --replace-fail "'git', 'describe', '--always', '--tags', '--dirty=+'" "'echo', '${rev}'"
+
+    patchShebangs default_extras_install.sh
+  '';
+})
diff --git a/packages/overlay.nix b/packages/overlay.nix
index 5346aea..e84f9c9 100644
--- a/packages/overlay.nix
+++ b/packages/overlay.nix
@@ -1,6 +1,7 @@
 final: prev: {
   spotify-webapp = final.callPackage ./spotify-webapp { };
   bibata-cursor = final.callPackage ./bibata-cursor { };
+  gamescope-unstable = final.callPackage ./gamescope { };
 
   openmw-unstable = prev.openmw.overrideAttrs (oldAttrs: {
     pname = "openmw";
diff --git a/system/default.nix b/system/default.nix
index 6567f0f..262f886 100755
--- a/system/default.nix
+++ b/system/default.nix
@@ -51,8 +51,18 @@
   programs = {
     gamescope = {
       enable = true;
-      capSysNice = true;
+      package = pkgs.gamescope-unstable;
+      capSysNice = false;
+      args = [
+        "--output-width 3840"
+        "--nested-width 3840"
+        "--output-height 2160"
+        "--nested-height 2160"
+        "--expose-wayland"
+        "--fullscreen"
+      ];
     };
+    gamemode.enable = true;
     gnupg.agent = {
       enable = true;
       enableSSHSupport = true;