Wes xx mediapipe integration

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

@@ -0,0 +1,25 @@
+// 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 Gl
+  {
+    public static uint GL_TEXTURE_2D = 0x0DE1;
+
+    public static void Flush()
+    {
+      UnsafeNativeMethods.glFlush();
+    }
+
+    public static void ReadPixels(int x, int y, int width, int height, uint glFormat, uint glType, IntPtr pixels)
+    {
+      UnsafeNativeMethods.glReadPixels(x, y, width, height, glFormat, glType, pixels);
+    }
+  }
+}