From afb184fefc92981a2e48ae5bf567eae9ea73f122 Mon Sep 17 00:00:00 2001
From: Erich Blume <blume.erich@gmail.com>
Date: Thu, 2 Apr 2026 16:04:29 -0700
Subject: [PATCH] Add Sway fullscreen rule for RDR2 (gamescope broken on NVIDIA
 580.x)

Gamescope 3.16.17 segfaults on NVIDIA 580.x in nested Wayland/Sway due
to explicit sync issues (ValveSoftware/gamescope#1662). Use a Sway
window rule to force RDR2 fullscreen instead.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 nixos/ringtail/configuration.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nixos/ringtail/configuration.nix b/nixos/ringtail/configuration.nix
index 8bb2d8d..ac8e669 100644
--- a/nixos/ringtail/configuration.nix
+++ b/nixos/ringtail/configuration.nix
@@ -247,6 +247,7 @@ in
           commands = [
             { command = "inhibit_idle fullscreen"; criteria = { class = ".*"; }; }
             { command = "inhibit_idle fullscreen"; criteria = { app_id = ".*"; }; }
+            { command = "fullscreen enable"; criteria = { class = "steam_app_1174180"; }; }
           ];
         };
         colors = {