From 2be04cc260a98f96895e79a68fd713b285e7f0be Mon Sep 17 00:00:00 2001
From: Lgmrszd <lgmrszd@disroot.org>
Date: Thu, 16 May 2024 23:41:38 +0300
Subject: [PATCH] laptop: add nvidia-full specialisation

---
 hosts/laptop/configuration.nix | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/hosts/laptop/configuration.nix b/hosts/laptop/configuration.nix
index 5c1c0b4..bbc3e4c 100644
--- a/hosts/laptop/configuration.nix
+++ b/hosts/laptop/configuration.nix
@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running `nixos-help`).
 
-{ config, pkgs, pkgs-stable, ... }:
+{ lib, config, pkgs, pkgs-stable, ... }:
 
 let
   nixPath = "/etc/nixPath";
@@ -154,11 +154,28 @@ in
       enable = true;
       enableOffloadCmd = true;
     };
+    sync.enable = false;
 
     intelBusId = "PCI:0:2:0";
     nvidiaBusId = "PCI:1:0:0";
   };
 
+  specialisation."nvidia-full".configuration = {
+    environment.etc."specialisation".text = "nvidia-full";
+    system.nixos.tags = ["nvidia-full"];
+    hardware.nvidia.prime = {
+      offload.enable = lib.mkForce false;
+      offload.enableOffloadCmd = lib.mkForce false;
+      sync.enable = lib.mkForce true;
+    };
+    environment.systemPackages = [
+      (pkgs.writeShellScriptBin "nvidia-offload" ''
+        echo "nvidia full mode on, simply executing $@"
+        exec "$@"
+      '')
+    ];
+  };
+
   programs.gamemode.enable = true;
 
   # VirtualBox