From cbbad7344696ba36a543792bd9f56fa496c21c0d Mon Sep 17 00:00:00 2001
From: Armel van Ravels <armel@armel.nl>
Date: Fri, 6 Mar 2026 22:18:17 +0100
Subject: [PATCH] Add mangohud automatically to all steam vulkan games

---
 systems/modules/gaming.nix | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/systems/modules/gaming.nix b/systems/modules/gaming.nix
index ff2caa1..c4063ac 100644
--- a/systems/modules/gaming.nix
+++ b/systems/modules/gaming.nix
@@ -1,13 +1,20 @@
 { config, pkgs, ... }:
 
 {
-  programs = {
-    steam.enable = true;
-    steam.remotePlay.openFirewall = true;
-    steam.localNetworkGameTransfers.openFirewall = true;
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = true;
+    localNetworkGameTransfers.openFirewall = true;
+    package = pkgs.steam.override {
+      extraEnv = {
+        MANGOHUD = "1";
+        WINE_VK_VULKAN_ONLY="1";
+      };
+    };
   };
 
   environment.systemPackages = [
     pkgs.heroic
+    pkgs.mangohud
   ];
 }
-- 
2.49.1