Wes xx mediapipe integration

Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/GpuBufferPacket.cs

@@ -0,0 +1,67 @@
+// 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 GpuBufferPacket : Packet<GpuBuffer>
+  {
+    /// <summary>
+    ///   Creates an empty <see cref="GpuBufferPacket" /> instance.
+    /// </summary>
+    public GpuBufferPacket() : base(true) { }
+
+    [UnityEngine.Scripting.Preserve]
+    public GpuBufferPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
+
+    public GpuBufferPacket(GpuBuffer gpuBuffer) : base()
+    {
+      UnsafeNativeMethods.mp__MakeGpuBufferPacket__Rgb(gpuBuffer.mpPtr, out var ptr).Assert();
+      gpuBuffer.Dispose(); // respect move semantics
+
+      this.ptr = ptr;
+    }
+
+    public GpuBufferPacket(GpuBuffer gpuBuffer, Timestamp timestamp) : base()
+    {
+      UnsafeNativeMethods.mp__MakeGpuBufferPacket_At__Rgb_Rts(gpuBuffer.mpPtr, timestamp.mpPtr, out var ptr).Assert();
+      GC.KeepAlive(timestamp);
+      gpuBuffer.Dispose(); // respect move semantics
+
+      this.ptr = ptr;
+    }
+
+    public GpuBufferPacket At(Timestamp timestamp)
+    {
+      return At<GpuBufferPacket>(timestamp);
+    }
+
+    public override GpuBuffer Get()
+    {
+      UnsafeNativeMethods.mp_Packet__GetGpuBuffer(mpPtr, out var gpuBufferPtr).Assert();
+
+      GC.KeepAlive(this);
+      return new GpuBuffer(gpuBufferPtr, false);
+    }
+
+    public override StatusOr<GpuBuffer> Consume()
+    {
+      UnsafeNativeMethods.mp_Packet__ConsumeGpuBuffer(mpPtr, out var statusOrGpuBufferPtr).Assert();
+
+      GC.KeepAlive(this);
+      return new StatusOrGpuBuffer(statusOrGpuBufferPtr);
+    }
+
+    public override Status ValidateAsType()
+    {
+      UnsafeNativeMethods.mp_Packet__ValidateAsGpuBuffer(mpPtr, out var statusPtr).Assert();
+
+      GC.KeepAlive(this);
+      return new Status(statusPtr);
+    }
+  }
+}