From 7502fc16ea800fad1a1dcb15ca73f7c182e66275 Mon Sep 17 00:00:00 2001
From: Charlton Rodda <charlton.rodda@collabora.com>
Date: Sun, 10 Dec 2023 02:11:11 +0000
Subject: [PATCH] Add error if no backend is enabled

---
 src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index fe1b93a..e35d09e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -171,6 +171,9 @@ impl Plugin for OpenXrPlugin {
     }
 }
 
+#[cfg(all(not(feature = "vulkan"), not(all(feature = "d3d12", windows))))]
+compile_error!("At least one platform-compatible backend feature must be enabled.");
+
 #[derive(Debug)]
 pub enum Backend {
     #[cfg(feature = "vulkan")]