From 9d7abb04464c17eb90b3763cee907464b5dc3a15 Mon Sep 17 00:00:00 2001
From: Sigmanificient <edhyjox@gmail.com>
Date: Sun, 5 Jan 2025 07:42:47 +0100
Subject: [PATCH] Setup nvidia-offload the GPU (Nvidia A500)

---
 system/_sigmachine.nix | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/system/_sigmachine.nix b/system/_sigmachine.nix
index fa88bde..b0092d6 100644
--- a/system/_sigmachine.nix
+++ b/system/_sigmachine.nix
@@ -1,8 +1,39 @@
-{ lib, ... }: {
+{ pkgs, lib, ... }: {
   boot.loader.grub.gfxmodeEfi = lib.mkForce "1920x1200x32";
 
   system = {
     copySystemConfiguration = false;
     stateVersion = "24.05";
   };
+  hardware.graphics = {
+    enable = true;
+
+      extraPackages = with pkgs; [
+        amdvlk
+        intel-media-driver
+        libvdpau-va-gl
+        nvidia-vaapi-driver
+        vaapiIntel
+        vaapiVdpau
+        vulkan-validation-layers
+        mesa.drivers
+      ];
+  };
+
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware.nvidia = {
+    powerManagement.enable = false;
+    powerManagement.finegrained = false;
+    open = false;
+    nvidiaSettings = true;
+
+    prime = {
+      offload.enable = true;
+      offload.enableOffloadCmd = true; # install `nvidia-offload`
+
+      intelBusId = "PCI:0:02:0";
+      nvidiaBusId = "PCI:3:0:0";
+    };
+  };
+
 }