added reshade

wip: there are other packages available, might be advantageous of me to
added those other packages as optional values

flake.lock

@@ -115,18 +115,37 @@
         "type": "github"
       }
     },
-    "nixpkgs": {
+    "nix-reshade": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "treefmt-nix": "treefmt-nix"
+      },
       "locked": {
-        "lastModified": 1747953325,
+        "lastModified": 1749858810,
-        "narHash": "sha256-y2ZtlIlNTuVJUZCqzZAhIw5rrKP4DOSklev6c8PyCkQ=",
+        "narHash": "sha256-xg/MnKlnI6G/mLrh2apPuXUq8wjYSBbt8RtilM5cutI=",
-        "owner": "nixos",
+        "owner": "LovingMelody",
-        "repo": "nixpkgs",
+        "repo": "nix-reshade",
-        "rev": "55d1f923c480dadce40f5231feb472e81b0bab48",
+        "rev": "e1a7e702b052e4a98a9f15796f048270b2aca679",
         "type": "github"
       },
       "original": {
-        "owner": "nixos",
+        "owner": "LovingMelody",
-        "ref": "nixos-25.05",
+        "repo": "nix-reshade",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1749285348,
+        "narHash": "sha256-frdhQvPbmDYaScPFiCnfdh3B/Vh81Uuoo0w5TkWmmjU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3e3afe5174c561dee0df6f2c2b2236990146329f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -163,13 +182,30 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1747953325,
+        "narHash": "sha256-y2ZtlIlNTuVJUZCqzZAhIw5rrKP4DOSklev6c8PyCkQ=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "55d1f923c480dadce40f5231feb472e81b0bab48",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "darwin": "darwin",
         "ghostty": "ghostty",
         "home-manager": "home-manager",
         "nix-flatpak": "nix-flatpak",
-        "nixpkgs": "nixpkgs"
+        "nix-reshade": "nix-reshade",
+        "nixpkgs": "nixpkgs_2"
       }
     },
     "systems": {
@@ -187,6 +223,27 @@
         "type": "github"
       }
     },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-reshade",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749194973,
+        "narHash": "sha256-eEy8cuS0mZ2j/r/FE0/LYBSBcIs/MKOIVakwHVuqTfk=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "a05be418a1af1198ca0f63facb13c985db4cb3c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
     "zig": {
       "inputs": {
         "flake-compat": [

flake.nix

@@ -12,6 +12,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     ghostty.url = "github:ghostty-org/ghostty";
+    nix-reshade.url = "github:LovingMelody/nix-reshade";
   };
 
   outputs = inputs @ {

modules/apps/gaming.nix

@@ -2,6 +2,7 @@
   config,
   lib,
   pkgs,
+  inputs,
   ...
 }: let
   cfg = config.gaming;
@@ -108,6 +109,10 @@ in {
     ffxiv = {
       enable = lib.mkEnableOption "Final Fantasy XIV and it's accompanied (unofficial) launcher";
     };
+
+    reshade = {
+      enable = lib.mkEnableOption "ReShade, a post-processing injector for games and video software";
+    };
   };
 
   config = {
@@ -154,6 +159,7 @@ in {
         cfg.lutris.extraPackages
       )) ++
       (lib.optionals cfg.minecraft.enable [pkgs.prismlauncher]) ++
-      (lib.optionals cfg.ffxiv.enable [pkgs.xivlauncher]);
+      (lib.optionals cfg.ffxiv.enable [pkgs.xivlauncher]) ++
+      (lib.optionals cfg.reshade.enable [inputs.packages.${pkgs.system}.reshade]);
   };
 }