From de1d2031dcfc9c5e59dcf4da949bb26120d16552 Mon Sep 17 00:00:00 2001
From: exalexi <exalexi@proton.me>
Date: Sat, 19 Jul 2025 22:17:09 +0200
Subject: [PATCH] module.nix: add configFile option

---
 module.nix | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/module.nix b/module.nix
index ee61e8f..92ab300 100644
--- a/module.nix
+++ b/module.nix
@@ -31,6 +31,17 @@ in
               Required if Lossless Scaling isn't installed in a standard location
             '';
           };
+
+      configFile = lib.mkOption
+          {
+            type = with lib.types; nullOr str;
+            default = null;
+            example = "/home/user/.config/lsfg-vk/conf.toml";
+            description = ''
+              Sets the LSFG_CONFIG environment variable.
+              Required if the lsfg-vk configuration file isn't stored at the standard location
+            '';
+          };
     };
   };
 
@@ -42,5 +53,7 @@ in
       "${cfg.package}/share/vulkan/implicit_layer.d/VkLayer_LS_frame_generation.json";
 
     environment.sessionVariables.LSFG_DLL_PATH = lib.mkIf (cfg.losslessDLLFile != null) cfg.losslessDLLFile;
+
+    environment.sessionVariables.LSFG_CONFIG = lib.mkIf (cfg.configFile != null) cfg.configFile;
   };
 }