Wes xx mediapipe integration

Packages/com.github.homuler.mediapipe/Runtime/Scripts/Gpu/GlSyncPoint.cs

@@ -0,0 +1,84 @@
+// Copyright (c) 2021 homuler
+//
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file or at
+// https://opensource.org/licenses/MIT.
+
+using System;
+
+namespace Mediapipe
+{
+  public class GlSyncPoint : MpResourceHandle
+  {
+    private SharedPtrHandle _sharedPtrHandle;
+
+    public GlSyncPoint(IntPtr ptr) : base()
+    {
+      _sharedPtrHandle = new SharedPtr(ptr);
+      this.ptr = _sharedPtrHandle.Get();
+    }
+
+    protected override void DisposeManaged()
+    {
+      if (_sharedPtrHandle != null)
+      {
+        _sharedPtrHandle.Dispose();
+        _sharedPtrHandle = null;
+      }
+      base.DisposeManaged();
+    }
+
+    protected override void DeleteMpPtr()
+    {
+      // Do nothing
+    }
+
+    public IntPtr sharedPtr => _sharedPtrHandle == null ? IntPtr.Zero : _sharedPtrHandle.mpPtr;
+
+    public void Wait()
+    {
+      UnsafeNativeMethods.mp_GlSyncPoint__Wait(mpPtr).Assert();
+    }
+
+    public void WaitOnGpu()
+    {
+      UnsafeNativeMethods.mp_GlSyncPoint__WaitOnGpu(mpPtr).Assert();
+    }
+
+    public bool IsReady()
+    {
+      UnsafeNativeMethods.mp_GlSyncPoint__IsReady(mpPtr, out var value).Assert();
+
+      GC.KeepAlive(this);
+      return value;
+    }
+
+    public GlContext GetContext()
+    {
+      UnsafeNativeMethods.mp_GlSyncPoint__GetContext(mpPtr, out var sharedGlContextPtr).Assert();
+
+      GC.KeepAlive(this);
+      return new GlContext(sharedGlContextPtr);
+    }
+
+    private class SharedPtr : SharedPtrHandle
+    {
+      public SharedPtr(IntPtr ptr) : base(ptr) { }
+
+      protected override void DeleteMpPtr()
+      {
+        UnsafeNativeMethods.mp_GlSyncToken__delete(ptr);
+      }
+
+      public override IntPtr Get()
+      {
+        return SafeNativeMethods.mp_GlSyncToken__get(mpPtr);
+      }
+
+      public override void Reset()
+      {
+        UnsafeNativeMethods.mp_GlSyncToken__reset(mpPtr);
+      }
+    }
+  }
+}