version 2.5.1

com.htc.upm.vive.openxr/Runtime/Common/IViveFeatureWrapper.cs

@@ -7,8 +7,17 @@ namespace VIVE.OpenXR.Feature
 {
     public interface IViveFeatureWrapper
     {
+        /// <summary>
+        /// OnInstanceCreate might be called multiple times.  Because many features might be using the same instance.
+        /// </summary>
+        /// <param name="xrInstance"></param>
+        /// <param name="xrGetInstanceProcAddr"></param>
+        /// <returns></returns>
         public bool OnInstanceCreate(XrInstance xrInstance, IntPtr xrGetInstanceProcAddr);
 
+        /// <summary>
+        /// OnInstanceDestroy might be called multiple times.  Because many features might be using the same instance.
+        /// </summary>
         public void OnInstanceDestroy();
     }
 
@@ -21,6 +30,11 @@ namespace VIVE.OpenXR.Feature
         // Set true in yourfeature's OnInstanceCreate
         public bool IsInited { get; protected set; } = false;
 
+        /// <summary>
+        /// If the feature is inited not successfully, Set this true.  Use to avoid multiple inits.
+        /// </summary>
+        public bool TryInited { get; protected set; } = false;
+
         public OpenXRHelper.xrGetInstanceProcAddrDelegate xrGetInstanceProcAddr;
 
         /// <summary>