feat: integrate system config

hosts/MONSTER/nvidia.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  hardware.opengl = {
+    enable = true;
+    driSupport = true;
+    driSupport32Bit = true;
+    extraPackages = with pkgs; [
+      libvdpau-va-gl
+      nvidia-vaapi-driver
+    ];
+  };
+
+  services.xserver.videoDrivers = ["nvidia"];
+
+  boot.kernelModules = ["nvidia" "nvidia_modeset" "nvidia_uvm" "nvidia_drm"];
+  boot.initrd.kernelModules = ["nvidia" "nvidia_modeset" "nvidia_uvm" "nvidia_drm"];
+  boot.extraModulePackages = [config.boot.kernelPackages.nvidia_x11];
+
+  hardware.nvidia = {
+    modesetting.enable = true;
+    # seems to cause crashes on sleep
+    powerManagement.enable = false;
+    open = false;
+    nvidiaSettings = false;
+    # no idea if this actually does anything...
+    nvidiaPersistenced = false;
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+  };
+
+  environment = {
+    variables = {
+      VDPAU_DRIVER = "va_gl";
+      LIBVA_DRIVER_NAME = "nvidia";
+    };
+    systemPackages = with pkgs; [
+      nvtop-nvidia
+      libva-utils
+    ];
+  };
+}