From a9677966cf57e1bf8926841c79d908b1cb2206ce Mon Sep 17 00:00:00 2001
From: Wanjohi <elviswanjohi47@gmail.com>
Date: Sun, 25 Oct 2026 13:27:45 +0300
Subject: [PATCH] fix(nescope): give Xwayland the box's GL driver selection

---
 apps/nescope/src/state.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/apps/nescope/src/state.rs b/apps/nescope/src/state.rs
index 4915d636..86fe3bb3 100644
--- a/apps/nescope/src/state.rs
+++ b/apps/nescope/src/state.rs
@@ -438,7 +438,15 @@ impl NescopeState {
         let (xwayland, client) = XWayland::spawn(
             &self.display_handle,
             display,
-            std::iter::empty::<(String, String)>(),
+            // The GL selection the box was given, or Xwayland's glamor cannot
+            // find a driver for the card, falls back to software, and offers
+            // no GLX: Steam then dies on glXChooseVisual.
+            std::env::vars().filter(|(k, _)| {
+                matches!(
+                    k.as_str(),
+                    "MESA_LOADER_DRIVER_OVERRIDE" | "GALLIUM_DRIVER" | "__GLX_VENDOR_LIBRARY_NAME"
+                )
+            }),
             true,
             std::process::Stdio::null(), // XWayland stdout (very noisy)
             std::process::Stdio::null(), // XWayland stderr (very noisy)