From e094566801271aed8a732022f2d91c2b985f03b2 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@hoyer.xyz>
Date: Tue, 19 Nov 2024 10:40:51 +0100
Subject: [PATCH] feat(gui): add ROCm support via systemd tmpfiles rules

Introduce ROCm support by symlinking ROCm packages in /opt/rocm. Also, comment out unused session variables.
---
 modules/nixos/services/gui/default.nix | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/modules/nixos/services/gui/default.nix b/modules/nixos/services/gui/default.nix
index f5ce0df..5390a2a 100644
--- a/modules/nixos/services/gui/default.nix
+++ b/modules/nixos/services/gui/default.nix
@@ -81,8 +81,23 @@ in
         amdvlk
       ];
     };
+
+    systemd.tmpfiles.rules =
+      let
+        rocmEnv = pkgs.symlinkJoin {
+          name = "rocm-combined";
+          paths = with pkgs.rocmPackages; [
+            rocblas
+            hipblas
+            clr
+          ];
+        };
+      in [
+        "L+    /opt/rocm   -    -    -     -    ${rocmEnv}"
+      ];
+
     environment.sessionVariables = {
-      LIBVA_DRIVER_NAME = "iHD";
+      # LIBVA_DRIVER_NAME = "iHD";
       # NIXOS_OZONE_WL = "1";
     };