feat: add intel graphics config

host/modules/gpu/intel.nix

@@ -0,0 +1,26 @@
+{ config, pkgs, ... }:
+{
+  hardware.graphics = {
+    enable = true;
+    extraPackages = with pkgs; [
+      intel-media-driver
+      intel-compute-runtime
+      libvdpau-va-gl
+    ];
+    extraPackages32 = with pkgs.pkgsi686Linux; [
+      intel-media-driver
+    ];
+  };
+
+  nixpkgs.config.packageOverrides = pkgs: {
+    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
+  };
+
+  environment.systemPackages = with pkgs; [
+    intel-gpu-tools
+    libva-utils
+    clinfo
+  ];
+
+  boot.kernelParams = [ "i915.force_probe=*" ];
+}

host/modules/gpu/nvidia.nix

@@ -0,0 +1,27 @@
+{ config, pkgs, lib, ... }: {
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware = {
+    graphics = {
+      enable = true;
+      enable32Bit = true;
+      extraPackages = with pkgs; [nvidia-vaapi-driver intel-media-driver];
+      extraPackages32 = with pkgs.pkgsi686Linux; [nvidia-vaapi-driver intel-media-driver];
+    };
+
+    nvidia = {
+      modesetting.enable = true;
+      powerManagement = {
+        enable = true;
+        finegrained = false;
+      };
+      open = false;
+      nvidiaSettings = true;
+      package = config.boot.kernelPackages.nvidiaPackages.beta;
+
+      prime = lib.optionalAttrs config.host.laptop {
+        intelBusId = "PCI:0:2:0";
+        nvidiaBusId = "PCI:1:0:0";
+      };
+    };
+  };
+}