62 lines
1.4 KiB
C#
62 lines
1.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see LICENSE.
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*/
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#endregion
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using System;
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using OpenRA.FileFormats.Graphics;
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using Tao.OpenGl;
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namespace OpenRA.Renderer.Glsl
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{
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public class IndexBuffer : IIndexBuffer, IDisposable
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{
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int buffer;
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public IndexBuffer(GraphicsDevice dev, int size)
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{
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Gl.glGenBuffers(1, out buffer);
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GraphicsDevice.CheckGlError();
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Bind();
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Gl.glBufferData(Gl.GL_ELEMENT_ARRAY_BUFFER,
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new IntPtr(2 * size),
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new ushort[ size ],
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Gl.GL_DYNAMIC_DRAW);
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GraphicsDevice.CheckGlError();
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}
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public void SetData(ushort[] data, int length)
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{
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Bind();
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Gl.glBufferSubData(Gl.GL_ELEMENT_ARRAY_BUFFER,
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IntPtr.Zero,
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new IntPtr(2 * length),
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data);
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GraphicsDevice.CheckGlError();
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}
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public void Bind()
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{
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Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, buffer);
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GraphicsDevice.CheckGlError();
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}
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bool disposed;
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public void Dispose()
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{
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if (disposed) return;
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GC.SuppressFinalize(this);
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Gl.glDeleteBuffers(1, ref buffer);
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GraphicsDevice.CheckGlError();
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disposed = true;
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}
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//~IndexBuffer() { Dispose(); }
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}
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}
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