add dbus and dri

lib/utils.nim

@@ -1,5 +1,8 @@
-import os
+import strformat
+import posix
+import bwrap
 import args
+import os
 
 const APP_NAME = "bwsandbox"
 
@@ -22,4 +25,27 @@ proc getProfilePath*(args: Args): string =
 proc getSandboxPath*(name: string): string =
   getDataDir()
     .joinPath(APP_NAME)
-    .joinPath(name)
+    .joinPath(name)
+
+proc deviceExists(path: string): bool =
+  var res: Stat
+  return stat(path, res) >= 0 and S_ISCHR(res.st_mode)
+
+# https://github.com/flatpak/flatpak/blob/1bdbb80ac57df437e46fce2cdd63e4ff7704718b/common/flatpak-run.c#L1496
+proc enableDri*(call: var BwrapCall) =
+  const mounts = [
+    "/dev/dri",                                # general
+    "/dev/mali", "/dev/mali0", "/dev/umplock", # mali
+    "/dev/nvidiactl", "/dev/nvidia-modeset",   # nvidia
+    "/dev/nvidia-uvm", "/dev/nvidia-uvm-tools" # nvidia OpenCl/CUDA
+  ]
+
+  for mount in mounts:
+    if deviceExists(mount):
+      call.addMount("--dev-bind", mount)
+
+  for i in 0..20:
+    let device = &"/dev/nvidia{i}"
+
+    if deviceExists(device):
+      call.addMount("--dev-bind", device)