module.nix: deprecate losslessDLLFile option

comes with raylib which needs a few xorg dependencies. perhaps i might explore the option of linking raylib from nixpkgs instead to reduce building another submodule

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 = {
+services.lsfg-vk.enable = true;
-  enable = true;
-  # optional but recommended:
-  losslessDLLFile = "<ABSOLUTE_PATH_TO>/Lossless.dll";
-};
 ```
 
 ### User install (manual)

default.nix

@@ -7,17 +7,23 @@
   vulkan-loader,
   llvmPackages,
   spirv-headers,
+  libX11,
+  libXrandr,
+  libXinerama,
+  libXcursor,
+  libXi,
+  libglvnd,
 }:
 
 llvmPackages.stdenv.mkDerivation {
   pname = "lsfg-vk";
-  version = "unstable-2025-07-14-83b869b";
+  version = "unstable-2025-07-18-53b4438";
 
   src = fetchFromGitHub {
     owner = "PancakeTAS";
     repo = "lsfg-vk";
-    rev = "83b869b0c4d4cd4da2e760126242c6ed76bafec8";
+    rev = "53b4438a2a567c26d739c856329c1a4d13aa1968";
-    hash = "sha256-LN6DkLN6pMmYRaj+TsAL3PLqINMeYOhQ2Kw16bRF/Q4=";
+    hash = "sha256-Ze4PBu3W7wKbYAMwQIdV2LBI8xWpYWvNJ3qIId2ByPU=";
     fetchSubmodules = true;
   };
 
@@ -38,6 +44,12 @@ llvmPackages.stdenv.mkDerivation {
     vulkan-headers
     vulkan-loader
     spirv-headers
+    libX11
+    libXrandr
+    libXinerama
+    libXcursor
+    libXi
+    libglvnd
   ];
 
   meta = with lib; {

module.nix

@@ -19,7 +19,10 @@ in
         default = lsfg-vk;
       };
 
-      losslessDLLFile = lib.mkOption {
+      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";