refactor: centralise all modules

configs/hardware/nvidia.nix

@@ -0,0 +1,46 @@
+{
+  inputs,
+  pkgs,
+  config,
+  ...
+}:
+{
+  # Accept the license by default; needed for some packages.
+  nixpkgs.config.nvidia.acceptLicense = true;
+  nix.settings = {
+    substituters = [ "https://cuda-maintainers.cachix.org" ];
+    trusted-public-keys = [
+      "cuda-maintainers.cachix.org-1:0dq3bujKpuEPMCX6U4WylrUDZ9JyUG0VpVZa7CNfq5E="
+    ];
+  };
+  services.xserver.videoDrivers = [ "nvidia" ];
+  environment.variables = {
+    GBM_BACKEND = "nvidia-drm";
+    LIBVA_DRIVER_NAME = "nvidia";
+    __GLX_VENDOR_LIBRARY_NAME = "nvidia";
+  };
+  hardware = {
+    enableRedistributableFirmware = true;
+    nvidia-container-toolkit.enable = true;
+    graphics = {
+      enable = true;
+      package = inputs.hyprland.inputs.nixpkgs.legacyPackages.${pkgs.stdenv.hostPlatform.system}.mesa;
+      extraPackages = with pkgs; [
+        nvidia-vaapi-driver # hardware acceleration
+      ];
+    };
+    nvidia = {
+      modesetting.enable = true;
+      open = false;
+      nvidiaSettings = true;
+      nvidiaPersistenced = true;
+      package = config.boot.kernelPackages.nvidiaPackages.latest;
+    };
+  };
+  boot.initrd.availableKernelModules = [
+    "nvidia"
+    "nvidia_modeset"
+    "nvidia_uvm"
+    "nvidia_drm"
+  ];
+}