From 299fc276b78e5cae2c40494f682cf6ff6e099574 Mon Sep 17 00:00:00 2001
From: 514fpv <koishi@514fpv.one>
Date: Fri, 5 Jan 2024 09:26:14 +0800
Subject: [PATCH] fix(gui): configure video acceleration

---
 faucet/gui/default.nix |  1 +
 faucet/gui/va.nix      | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 faucet/gui/va.nix

diff --git a/faucet/gui/default.nix b/faucet/gui/default.nix
index 7844d6ed..6aaaa21b 100644
--- a/faucet/gui/default.nix
+++ b/faucet/gui/default.nix
@@ -6,6 +6,7 @@
 in {
   imports = [
     ./plymouth.nix
+    ./va.nix
     ./greetd.nix
   ];
 
diff --git a/faucet/gui/va.nix b/faucet/gui/va.nix
new file mode 100644
index 00000000..e45495f9
--- /dev/null
+++ b/faucet/gui/va.nix
@@ -0,0 +1,21 @@
+# https://nixos.wiki/wiki/Accelerated_Video_Playback
+
+{ pkgs
+, lib
+, config
+, ... }: with lib; let
+  cfg = config.faucet.gui;
+in mkIf cfg.enable {
+  nixpkgs.config.packageOverrides = pkgs: {
+    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
+  };
+
+  hardware.opengl = {
+    extraPackages = with pkgs; optionals ((cfg.type == "intel") || (cfg.type == "prime")) [
+      intel-media-driver # LIBVA_DRIVER_NAME=iHD
+      vaapiIntel         # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+      vaapiVdpau
+      libvdpau-va-gl
+    ] ++ optional ((cfg.type == "nvidia") || (cfg.type == "prime")) nvidia-vaapi-driver;
+  };
+}