From 9b55087bf4a02e24b667920db78ce7b78f9f2e09 Mon Sep 17 00:00:00 2001
From: Donovan Glover <donovan@dglover.co>
Date: Mon, 12 Jun 2023 20:55:46 -0400
Subject: [PATCH] containers: Use graphics from host

As alluded to earlier, this significantly increases the performance of
graphical applications running inside containers.
---
 containers/srb2.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/containers/srb2.nix b/containers/srb2.nix
index abd4b0b2..28cac57f 100644
--- a/containers/srb2.nix
+++ b/containers/srb2.nix
@@ -24,8 +24,20 @@ in
         mountPoint = hostPath;
         isReadOnly = true;
       };
+
+      dri = rec {
+        hostPath = "/dev/dri";
+        mountPoint = hostPath;
+      };
     };
 
+    allowedDevices = [
+      {
+        modifier = "rw";
+        node = "/dev/dri/renderD128";
+      }
+    ];
+
     config = { pkgs, lib, ... }: {
       imports = [
         home-manager.nixosModules.home-manager