added opengl and nvidia configs

nixos/disable-nvidia.nix

@@ -0,0 +1,21 @@
+{ ... }:
+
+{
+  boot.extraModprobeConfig = ''
+    blacklist nouveau
+    options nouveau modeset=0
+  '';
+
+  services.udev.extraRules = ''
+    # Remove NVIDIA USB xHCI Host Controller devices, if present
+    ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c0330", ATTR{power/control}="auto", ATTR{remove}="1"
+    # Remove NVIDIA USB Type-C UCSI devices, if present
+    ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x0c8000", ATTR{power/control}="auto", ATTR{remove}="1"
+    # Remove NVIDIA Audio devices, if present
+    ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x040300", ATTR{power/control}="auto", ATTR{remove}="1"
+    # Remove NVIDIA VGA/3D controller devices
+    ACTION=="add", SUBSYSTEM=="pci", ATTR{vendor}=="0x10de", ATTR{class}=="0x03[0-9]*", ATTR{power/control}="auto", ATTR{remove}="1"
+  '';
+
+  boot.blacklistedKernelModules = [ "nouveau" "nvidia" "nvidia_drm" "nvidia_modeset" ];
+}

nixos/flake.nix

@@ -13,6 +13,9 @@
       modules = [
         ./configuration.nix
         ./hardware-configuration.nix
+        # ./nvidia.nix
+        # ./disable-nvidia.nix
+        ./opengl.nix
         # ./fingerprint-scanner.nix
         ./yubikey.nix
         ./sound.nix

nixos/nvidia.nix

@@ -0,0 +1,76 @@
+{ config, lib, ... }:
+
+{
+  # Load nvidia driver for Xorg and Wayland
+  services.xserver.videoDrivers = ["nvidia"];
+
+  hardware.nvidia = {
+
+    # Modesetting is required.
+    modesetting.enable = true;
+
+    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+    # Enable this if you have graphical corruption issues or application crashes after waking
+    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
+    # of just the bare essentials.
+    powerManagement.enable = true;
+
+    # Fine-grained power management. Turns off GPU when not in use.
+    # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+    powerManagement.finegrained = true;
+
+    # Use the NVidia open source kernel module (not to be confused with the
+    # independent third-party "nouveau" open source driver).
+    # Support is limited to the Turing and later architectures. Full list of
+    # supported GPUs is at:
+    # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus
+    # Only available from driver 515.43.04+
+    # Currently alpha-quality/buggy, so false is currently the recommended setting.
+    open = true;
+
+    # Enable the Nvidia settings menu,
+  	# accessible via `nvidia-settings`.
+    nvidiaSettings = true;
+
+    # Optionally, you may need to select the appropriate driver version for your specific GPU.
+    package = config.boot.kernelPackages.nvidiaPackages.production;
+
+    # Nvidia Optimus PRIME. It is a technology developed by Nvidia to optimize
+    # the power consumption and performance of laptops equipped with their GPUs.
+    # It seamlessly switches between the integrated graphics,
+    # usually from Intel, for lightweight tasks to save power,
+    # and the discrete Nvidia GPU for performance-intensive tasks.
+    prime = {
+  		offload = {
+  			enable = true;
+  			enableOffloadCmd = true;
+  		};
+
+  		# FIXME: Change the following values to the correct Bus ID values for your system!
+      # More on "https://wiki.nixos.org/wiki/Nvidia#Configuring_Optimus_PRIME:_Bus_ID_Values_(Mandatory)"
+  		nvidiaBusId = "PCI:0:0:0";
+  		intelBusId = "PCI:0:0:0";
+  	};
+  };
+
+  # NixOS specialization named 'nvidia-sync'. Provides the ability
+  # to switch the Nvidia Optimus Prime profile
+  # to sync mode during the boot process, enhancing performance.
+  specialisation = {
+    nvidia-sync.configuration = {
+      system.nixos.tags = [ "nvidia-sync" ];
+      hardware.nvidia = {
+        powerManagement.finegrained = lib.mkForce false;
+
+        prime.offload.enable = lib.mkForce false;
+        prime.offload.enableOffloadCmd = lib.mkForce false;
+
+        prime.sync.enable = lib.mkForce true;
+        # Dynamic Boost. It is a technology found in NVIDIA Max-Q design laptops with RTX GPUs.
+        # It intelligently and automatically shifts power between
+        # the CPU and GPU in real-time based on the workload of your game or application.
+        dynamicBoost.enable = lib.mkForce true;
+      };
+    };
+  };
+}

nixos/opengl.nix

@@ -0,0 +1,32 @@
+{ pkgs, ... }:
+
+{
+
+  nixpkgs.config.packageOverrides = pkgs: {
+    intel-vaapi-driver = pkgs.intel-vaapi-driver.override { enableHybridCodec = true; };
+  };
+
+  # Enable OpenGL
+  hardware.opengl = {
+    enable = true;
+    driSupport = true;
+    driSupport32Bit = true;
+    extraPackages = with pkgs; [
+      intel-compute-runtime
+      intel-media-driver    # LIBVA_DRIVER_NAME=iHD
+      intel-vaapi-driver    # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+      vaapiVdpau
+      libvdpau-va-gl
+      mesa
+      nvidia-vaapi-driver
+      nv-codec-headers-12
+    ];
+    extraPackages32 = with pkgs.pkgsi686Linux; [
+      intel-media-driver
+      intel-vaapi-driver
+      vaapiVdpau
+      mesa
+      libvdpau-va-gl
+    ];
+  };
+}