daily update on 20240203 by nitloadd youmu. New glhandle setup.

源代码/StgSharp/Graphics/GL/GLhandle.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+using System.Security.AccessControl;
+using System.Text;
+using System.Threading.Tasks;
+
+
+
+namespace System
+{
+    /// <summary>
+    /// A handle to an OpenGL object.
+    /// </summary>
+    public unsafe class glHandle
+    {
+        private readonly uint[] _value;
+        internal int length;
+        internal uint* handle;
+
+        public uint this[int index]
+        {
+            get
+            {
+                if (index > length)
+                {
+                    throw new IndexOutOfRangeException();
+                }
+                return *(handle + index);
+            }
+            set
+            {
+                if (index > length)
+                {
+                    throw new IndexOutOfRangeException();
+                }
+                *(handle + index) = value;
+            }
+        }
+
+        public glHandle(int count)
+        {
+            _value = new uint[count];
+            length = count;
+            handle = (uint*)GCHandle.Alloc(_value, GCHandleType.Pinned).AddrOfPinnedObject();
+        }
+
+        internal glHandle(uint[] val)
+        {
+            _value = val;
+            length = val.Length;
+            handle = (uint*)GCHandle.Alloc(_value, GCHandleType.Pinned).AddrOfPinnedObject();
+        }
+
+        internal glHandle(uint val)
+        {
+            _value = [val];
+            length = 1;
+            handle = (uint*)GCHandle.Alloc(_value, GCHandleType.Pinned).AddrOfPinnedObject();
+        }
+
+        public void Free()
+        {
+            if (_value == null)
+            {
+                return;
+            }
+            GCHandle h = GCHandle.FromIntPtr((IntPtr)handle);
+            h.Free();
+        }
+
+        /// <summary>
+        /// Realse all resource in this handle. 
+        /// This will release all resource in this <see cref="glHandle"/>.
+        /// This <see langword="glHandle"/> will be not usable.
+        /// </summary>
+        public void Release()
+        {
+            if (_value == null)
+            {
+                return;
+            }
+            else
+            {
+                GCHandle.FromIntPtr((IntPtr)handle).Free();
+                handle = (uint*)IntPtr.Zero;
+            }
+        }
+
+    }
+}