Wes xx gpu test

Assets/Common/Scripts/SettingsScreen.cs

@@ -1,5 +1,6 @@
 using UnityEngine;
 using UnityEngine.Playables;
+using UnityEngine.UI;
 
 public class SettingsScreen : MonoBehaviour
 {
@@ -8,11 +9,44 @@ public class SettingsScreen : MonoBehaviour
     /// </summary>
     public PlayableDirector directorEnterFromMainMenu;
 
+    /// <summary>
+    /// Reference to the 'hardware acceleration' toggle option
+    /// </summary>
+    public Toggle useGPUOption;
+
     /// <summary>
     /// Start is called before the first frame update
     /// </summary>
     void Start()
     {
+        useGPUOption.onValueChanged.AddListener(ToggleGPU);
+        UpdateSettings();
         directorEnterFromMainMenu.Play();
     }
+
+    /// <summary>
+    /// Update the display of the user preferences
+    /// </summary>
+    private void UpdateSettings()
+    {
+        var pdc = PersistentDataController.GetInstance();
+        useGPUOption.isOn = pdc.IsUsingGPU();
+    }
+
+    /// <summary>
+    /// Toggle 'hardware acceleration' option
+    /// </summary>
+    private void ToggleGPU(bool state)
+    {
+        PersistentDataController.GetInstance().SetGPUUsage(state);
+    }
+
+    /// <summary>
+    /// Restore the user preferences to their default values
+    /// </summary>
+    public void RestoreSettings()
+    {
+        PersistentDataController.GetInstance().RestoreSettings();
+        UpdateSettings();
+    }
 }