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Packages/com.unity.renderstreaming@3.1.0-exp.9/Samples~/Example/Broadcast/CustomEventSystem.cs

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+using UnityEngine.EventSystems;
+using UnityEngine.InputSystem;
+using UnityEngine.InputSystem.LowLevel;
+
+namespace Unity.RenderStreaming.Samples
+{
+    using InputSystem = UnityEngine.InputSystem.InputSystem;
+
+    class CustomEventSystem : EventSystem
+    {
+#if !INPUTSYSTEM_1_1_OR_NEWER
+        protected override void Awake()
+        {
+            base.Awake();
+            unsafe
+            {
+                InputSystem.onDeviceCommand += InputSystemOnDeviceCommand;
+            }
+        }
+
+        private static unsafe long? InputSystemOnDeviceCommand(InputDevice device, InputDeviceCommand* command)
+        {
+            if (command->type != QueryCanRunInBackground.Type)
+            {
+                // return null is skip this evaluation
+                return null;
+            }
+
+            ((QueryCanRunInBackground*)command)->canRunInBackground = true;
+            return InputDeviceCommand.GenericSuccess;
+        }
+
+        protected override void OnApplicationFocus(bool hasFocus)
+        {
+            //Do not change focus flag on eventsystem
+        }
+#endif
+    }
+
+}