feat: restricted to Linux/FreeBSD platforms

Author: JNightRider

jme3-core/src/main/java/com/jme3/system/JmeSystemDelegate.java

@@ -310,9 +310,12 @@ public Platform getPlatform() {
     }
 
     public boolean isWaylandSession() {
-        // The following matches the test GLFW does to enable the Wayland backend.
-        if ("wayland".equalsIgnoreCase(System.getenv("XDG_SESSION_TYPE")) && System.getenv("WAYLAND_DISPLAY") != null) {
-            return true;
+        Platform platform = getPlatform();
+        if (platform.getOs() == Platform.Os.Linux) {
+            // The following matches the test GLFW does to enable the Wayland backend.
+            if ("wayland".equalsIgnoreCase(System.getenv("XDG_SESSION_TYPE")) && System.getenv("WAYLAND_DISPLAY") != null) {
+                return true;
+            }
         }
         return false;
     }