From 51fc478daee163a812e8dc2a22ba358f4c5df4bd Mon Sep 17 00:00:00 2001
From: Nojus <git@nojus.org>
Date: Fri, 18 Jul 2025 21:39:14 +0200
Subject: [PATCH] module.nix: deprecate losslessDLLFile option

---
 README.md  |  8 ++------
 module.nix | 21 ++++++++++++---------
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/README.md b/README.md
index b577523..fa5f8d2 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Nix flake for using [Lossless Scaling's frame generation on Linux](https://githu
 
 >[!IMPORTANT]
 > You need to have Lossless Scaling installed on Steam!
-> In case it is not installed on the default Steam drive, you may want to consider setting the environment variable ``LSFG_DLL_PATH=<ABSOLUTE_PATH_TO>/Lossless.dll``
+> In case it is not installed on the default Steam drive, you may want to consider setting the correct path in the lsfg-vk config.
 
 ## Installation
 ### System-wide (NixOS module)
@@ -31,11 +31,7 @@ outputs = {nixpkgs, lsfg-vk-flake, ...}: {
 
 And then you should be able to enable this in your system config using:
 ```nix 
-services.lsfg-vk = {
-  enable = true;
-  # optional but recommended:
-  losslessDLLFile = "<ABSOLUTE_PATH_TO>/Lossless.dll";
-};
+services.lsfg-vk.enable = true;
 ```
 
 ### User install (manual)
diff --git a/module.nix b/module.nix
index 19d68c9..ee61e8f 100644
--- a/module.nix
+++ b/module.nix
@@ -19,15 +19,18 @@ in
         default = lsfg-vk;
       };
 
-      losslessDLLFile = lib.mkOption {
-        type = with lib.types; nullOr str;
-        default = null;
-        example = "/home/user/games/Lossless Scaling/Lossless.dll";
-        description = ''
-          Sets the LSFG_DLL_PATH environment variable.
-          Required if Lossless Scaling isn't installed in a standard location
-        '';
-      };
+      losslessDLLFile =
+        lib.warn "losslessDLLFile is deprecated and will only be used by lsfg-vk if LSFG_LEGACY is set."
+          lib.mkOption
+          {
+            type = with lib.types; nullOr str;
+            default = null;
+            example = "/home/user/games/Lossless Scaling/Lossless.dll";
+            description = ''
+              Sets the LSFG_DLL_PATH environment variable.
+              Required if Lossless Scaling isn't installed in a standard location
+            '';
+          };
     };
   };