45 lines
1.3 KiB
C#
45 lines
1.3 KiB
C#
using StgSharp.Math;
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using System;
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using System.Collections.Generic;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace StgSharp.Graphics
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{
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/// <summary>
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/// A collecion of handle to Element Buffer Object in OpenGL.
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/// Each <see langword="uint"/> value indexed from instance of this class this
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/// is the only handle to one Element Buffer Object.
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/// </summary>
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public unsafe class ElementBuffer : BufferObjectBase
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{
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internal ElementBuffer(int n, IglFunc gl)
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{
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GL = gl;
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_bufferHandle = GL.GenBuffers(n);
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}
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public override sealed void Bind(int index)
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{
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GL.BindBuffer(BufferType.ELEMENT_ARRAY_BUFFER, _bufferHandle[index]);
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}
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public void SetValue<T>(int index, T[] bufferArray, BufferUsage usage)
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where T : struct, IConvertible
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{
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GL.BindBuffer(BufferType.ELEMENT_ARRAY_BUFFER, _bufferHandle[index]);
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GL.SetBufferData(BufferType.ELEMENT_ARRAY_BUFFER, bufferArray, usage);
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}
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protected override sealed void Dispose(bool disposing)
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{
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if (disposing)
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{
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GL.DeleteBuffers(_bufferHandle);
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_bufferHandle.Release();
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}
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}
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}
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} |