Wes xx mediapipe integration

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

@@ -0,0 +1,73 @@
+// 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 GpuResources : MpResourceHandle
+  {
+    private SharedPtrHandle _sharedPtrHandle;
+
+    /// <param name="ptr">Shared pointer of mediapipe::GpuResources</param>
+    public GpuResources(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 static StatusOrGpuResources Create()
+    {
+      UnsafeNativeMethods.mp_GpuResources_Create(out var statusOrGpuResourcesPtr).Assert();
+
+      return new StatusOrGpuResources(statusOrGpuResourcesPtr);
+    }
+
+    public static StatusOrGpuResources Create(IntPtr externalContext)
+    {
+      UnsafeNativeMethods.mp_GpuResources_Create__Pv(externalContext, out var statusOrGpuResourcesPtr).Assert();
+
+      return new StatusOrGpuResources(statusOrGpuResourcesPtr);
+    }
+
+    private class SharedPtr : SharedPtrHandle
+    {
+      public SharedPtr(IntPtr ptr) : base(ptr) { }
+
+      protected override void DeleteMpPtr()
+      {
+        UnsafeNativeMethods.mp_SharedGpuResources__delete(ptr);
+      }
+
+      public override IntPtr Get()
+      {
+        return SafeNativeMethods.mp_SharedGpuResources__get(mpPtr);
+      }
+
+      public override void Reset()
+      {
+        UnsafeNativeMethods.mp_SharedGpuResources__reset(mpPtr);
+      }
+    }
+  }
+}