version 2.5.1

2025-01-10 17:31:06 +08:00
parent 2554daa86e
commit 25a5fd2124
91 changed files with 16226 additions and 11225 deletions
--- a/com.htc.upm.vive.openxr/Runtime/Common/ViveInterceptorsLocateView.cs
+++ b/com.htc.upm.vive.openxr/Runtime/Common/ViveInterceptorsLocateView.cs
@@ -0,0 +1,98 @@
+// Copyright HTC Corporation All Rights Reserved.
+using System.Runtime.InteropServices;
+using System;
+using AOT;
+using UnityEngine.Profiling;
+
+namespace VIVE.OpenXR
+{
+    public partial class ViveInterceptors
+    {
+        [HookHandler("xrLocateViews")]
+        private static XrResult OnHookXrLocateViews(XrInstance instance, string name, out IntPtr function)
+        {
+            if (xrLocateViewsOriginal == null)
+            {
+                var ret = XrGetInstanceProcAddrOriginal(instance, name, out function);
+                if (ret != XrResult.XR_SUCCESS)
+                    return ret;
+                xrLocateViewsOriginal = Marshal.GetDelegateForFunctionPointer<DelegateXrLocateViews>(function);
+            }
+            function = xrLocateViewsInterceptorPtr;
+            return XrResult.XR_SUCCESS;
+        }
+
+        public struct XrViewLocateInfo
+        {
+            public XrStructureType type;
+            public IntPtr next;
+            public XrViewConfigurationType viewConfigurationType;
+            public XrTime displayTime;
+            public XrSpace space;
+        }
+
+        public struct XrView
+        {
+            public XrStructureType type;
+            public IntPtr next;
+            public XrPosef pose;
+            public XrFovf fov;
+        }
+
+        public enum XrViewStateFlags {
+            ORIENTATION_VALID_BIT = 0x00000001,
+            POSITION_VALID_BIT = 0x00000002,
+            ORIENTATION_TRACKED_BIT = 0x00000004,
+            POSITION_TRACKED_BIT = 0x00000008,
+        }
+
+        public struct XrViewState
+        {
+            public XrStructureType type;
+            public IntPtr next;
+            public XrViewStateFlags viewStateFlags;
+        }
+
+        public delegate XrResult DelegateXrLocateViews(XrSession session, IntPtr /*XrViewLocateInfo*/ viewLocateInfo, IntPtr /*XrViewState*/ viewState, uint viewCapacityInput, ref uint viewCountOutput, IntPtr /*XrView*/ views);
+
+        private static readonly DelegateXrLocateViews xrLocateViewsInterceptorHandle = new DelegateXrLocateViews(XrLocateViewsInterceptor);
+        private static readonly IntPtr xrLocateViewsInterceptorPtr = Marshal.GetFunctionPointerForDelegate(xrLocateViewsInterceptorHandle);
+        static DelegateXrLocateViews xrLocateViewsOriginal = null;
+        static int xrLocateViewsReferenceCount = 0;
+
+        [MonoPInvokeCallback(typeof(DelegateXrLocateViews))]
+        private static XrResult XrLocateViewsInterceptor(XrSession session, IntPtr viewLocateInfo, IntPtr viewState, uint viewCapacityInput, ref uint viewCountOutput, IntPtr views)
+        {
+            // Call the original function if the reference count is less than or equal to 0
+            if (xrLocateViewsReferenceCount <= 0)
+                return xrLocateViewsOriginal(session, viewLocateInfo, viewState, viewCapacityInput, ref viewCountOutput, views);
+
+            Profiler.BeginSample("VI:LocateViewsA");
+            XrResult result = XrResult.XR_SUCCESS;
+            if (instance.BeforeOriginalLocateViews != null)
+                instance.BeforeOriginalLocateViews(session, viewLocateInfo, viewState, viewCapacityInput, ref viewCountOutput, views);
+            Profiler.EndSample();
+            result = xrLocateViewsOriginal(session, viewLocateInfo, viewState, viewCapacityInput, ref viewCountOutput, views);
+            Profiler.BeginSample("VI:LocateViewsB");
+            instance.AfterOriginalLocateViews?.Invoke(session, viewLocateInfo, viewState, viewCapacityInput, ref viewCountOutput, views);
+            Profiler.EndSample();
+            return result;
+        }
+
+        /// <summary>
+        /// If you return false, the original function will not be called.
+        /// </summary>
+        /// <returns></returns>
+        public delegate bool DelegateXrLocateViewsInterceptor(XrSession session, IntPtr viewLocateInfo, IntPtr viewState, uint viewCapacityInput, ref uint viewCountOutput, IntPtr views);
+
+        /// <summary>
+        /// Use this to intercept the original function.  This will be called before the original function.
+        /// </summary>
+        public DelegateXrLocateViewsInterceptor BeforeOriginalLocateViews;
+
+        /// <summary>
+        /// Use this to intercept the original function.  This will be called after the original function.
+        /// </summary>
+        public DelegateXrLocateViewsInterceptor AfterOriginalLocateViews;
+    }
+}