From f678ad57f87d754020323712062851c0271f7eb1 Mon Sep 17 00:00:00 2001
From: fruchti <fruchti@gvfr.de>
Date: Sat, 2 Dec 2023 21:35:50 +0100
Subject: [PATCH] Rupert: Add working video decoding HW acceleration

---
 hosts/Rupert.nix | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/hosts/Rupert.nix b/hosts/Rupert.nix
index f1e8896..df4868b 100644
--- a/hosts/Rupert.nix
+++ b/hosts/Rupert.nix
@@ -21,6 +21,24 @@ in
     boot.loader.efi.canTouchEfiVariables = true;
     boot.kernelParams = [ "acpi=force" "reboot=bios" ];
 
+    boot.initrd.kernelModules = [ "i915" ];
+    nixpkgs.config.packageOverrides = pkgs: {
+        vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
+    };
+    hardware.opengl = {
+        enable = true;
+        extraPackages = with pkgs; [
+            (if (lib.versionOlder (lib.versions.majorMinor lib.version) "23.11") then vaapiIntel else intel-vaapi-driver)
+            libvdpau-va-gl
+            vaapiVdpau
+            # intel-media-driver
+        ];
+    };
+    environment.variables = {
+        VDPAU_DRIVER = "va_gl";
+    };
+    hardware.cpu.intel.updateMicrocode = true;
+
     networking.hostName = "Rupert";
 
     users.users = {