add from giga-device, new branch added

StgSharp.Common/Graphics/Define/BufferObjectBase.cs

@@ -0,0 +1,89 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="BufferObjectBase.cs"
+// Project: StgSharp
+// AuthorGroup: Nitload Space
+// Copyright (c) Nitload Space. All rights reserved.
+//     
+// Permission is hereby granted, free of charge, to any person 
+// obtaining a copy of this software and associated documentation 
+// files (the “Software”), to deal in the Software without restriction, 
+// including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, 
+// and to permit persons to whom the Software is furnished to do so, 
+// subject to the following conditions:
+//     
+// The above copyright notice and 
+// this permission notice shall be included in all copies 
+// or substantial portions of the Software.
+//     
+// THE SOFTWARE IS PROVIDED “AS IS”, 
+// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+// ARISING FROM, OUT OF OR IN CONNECTION WITH 
+// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+using StgSharp.Graphics.OpenGL;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Graphics
+{
+    /// <summary>
+    ///   Interface of all kinds OpenGL BufferHandle objects
+    /// </summary>
+    public abstract class BufferObjectBase : IDisposable
+    {
+
+        protected GlHandle[] _bufferHandle;
+        protected RenderStream binding;
+
+        /// <summary>
+        ///   Get the only handle to one of the Object instance
+        /// </summary>
+        /// <param _label="index">
+        ///
+        /// </param>
+        /// <returns>
+        ///
+        /// </returns>
+        public GlHandle this[int index] => _bufferHandle[index];
+
+        /// <summary>
+        ///   Bind a BufferHandle instance to OpenGL
+        /// </summary>
+        /// <param _label="index">
+        ///   Index of handle of the object in this instance to be bind
+        /// </param>
+        public abstract void Bind(int index);
+
+        public void Dispose()
+        {
+            Dispose(disposing:true);
+            GC.SuppressFinalize(this);
+        }
+
+        /// <inheritdoc />
+        public override string ToString()
+        {
+            return $"This is a {GetType().FullName}, containing {_bufferHandle.Length} buffer handles: {_bufferHandle.ToString()}.";
+        }
+
+        protected abstract void Dispose(bool disposing);
+
+        ~BufferObjectBase()
+        {
+            Dispose(disposing:false);
+        }
+
+    }
+}