many thing

2026-02-28 00:54:32 +08:00
parent a798ab07f1
commit 55cf3934bb
90 changed files with 288 additions and 321 deletions
@@ -0,0 +1,81 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="EBO"
+// Project: StgSharp
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. 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;
+using StgSharp.Graphics.OpenGL;
+
+using StgSharp.Mathematics;
+
+using System;
+using System.Collections.Generic;
+using System.Numerics;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace StgSharp.Graphics.OpenGL
+{
+    /// <summary>
+    ///   A collection of handle to Element BufferHandle Object in OpenglFunc. Each <see
+    ///   langword="uint" /> value indexed from instance of this class this is the only handle to
+    ///   one Element BufferHandle Object.
+    /// </summary>
+    public sealed unsafe class ElementBuffer : GlBufferObjectBase
+    {
+
+        internal ElementBuffer(int n, glRender binding)
+            : base(binding)
+        {
+            _bufferHandle = GL.GenBuffers(n);
+        }
+
+        public sealed override void Bind(int index)
+        {
+            GL.BindBuffer(BufferType.ElementArrayBuffer, _bufferHandle[index]);
+        }
+
+        public void SetValue<T>(int index, T[] bufferArray, BufferUsage usage) where T: unmanaged, INumber<T>
+        {
+            GL.BindBuffer(BufferType.ElementArrayBuffer, _bufferHandle[index]);
+            GL.SetBufferData<T>(BufferType.ElementArrayBuffer, bufferArray, usage);
+        }
+
+        public void SetValue<T>(int index, ReadOnlySpan<T> bufferSpan, BufferUsage usage) where T: unmanaged, INumber<T>
+        {
+            GL.BindBuffer(BufferType.ElementArrayBuffer, _bufferHandle[index]);
+            GL.SetBufferData<T>(BufferType.ElementArrayBuffer, bufferSpan, usage);
+        }
+
+        protected sealed override void Dispose(bool disposing)
+        {
+            if (disposing) {
+                GL.DeleteBuffers(_bufferHandle);
+            }
+        }
+
+    }
+}