UI 자동화를 위해 바인딩 기능 구현

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Packages/com.unity.inputsystem/InputSystem/Editor/Debugger/SampleFrequencyCalculator.cs

@@ -0,0 +1,48 @@
+using UnityEngine.InputSystem.LowLevel;
+
+namespace UnityEngine.InputSystem.Editor
+{
+    /// <summary>
+    /// A utility for computing sample frequency based on input events.
+    /// </summary>
+    internal struct SampleFrequencyCalculator
+    {
+        private double m_LastUpdateTime;
+        private int m_SampleCount;
+
+        public SampleFrequencyCalculator(float targetFrequency, double realtimeSinceStartup)
+        {
+            this.targetFrequency = targetFrequency;
+            this.m_SampleCount = 0;
+            this.frequency = 0.0f;
+            this.m_LastUpdateTime = realtimeSinceStartup;
+        }
+
+        public float targetFrequency { get; private set; }
+        public float frequency { get; private set; }
+
+        public void ProcessSample(InputEventPtr eventPtr)
+        {
+            // Only count actual samples instead of device-state changes which may be reported anyway it seems.
+            // For determining frequency we at least absolute do not want to count state changes not driven
+            // by an associated event/sample.
+            if (eventPtr != null)
+                ++m_SampleCount;
+        }
+
+        public bool Update() => Update(Time.realtimeSinceStartupAsDouble);
+
+        public bool Update(double realtimeSinceStartup)
+        {
+            var timeSinceLastUpdate = realtimeSinceStartup - m_LastUpdateTime;
+            if (timeSinceLastUpdate < 1.0)
+                return false; // Only update once per second (and avoid division by zero)
+
+            m_LastUpdateTime = realtimeSinceStartup;
+            frequency = (float)(m_SampleCount / timeSinceLastUpdate);
+            m_SampleCount = 0;
+
+            return true;
+        }
+    }
+}