134 lines
5.5 KiB
C#
134 lines
5.5 KiB
C#
#region Using Statements
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using System;
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using System.Runtime.InteropServices;
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#endregion // Using Statements
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#region License
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//
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// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
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//
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// This file is released under the Ms-PL license.
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//
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//
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//
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// Microsoft Public License (Ms-PL)
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//
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// This license governs use of the accompanying software. If you use the software, you accept this license.
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// If you do not accept the license, do not use the software.
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//
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// 1.Definitions
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// The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning
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// here as under U.S. copyright law.
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// A "contribution" is the original software, or any additions or changes to the software.
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// A "contributor" is any person that distributes its contribution under this license.
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// "Licensed patents" are a contributor's patent claims that read directly on its contribution.
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//
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// 2.Grant of Rights
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// (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations
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// in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to
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// reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
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// or any derivative works that you create.
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// (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in
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// section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
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// patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution
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// in the software or derivative works of the contribution in the software.
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//
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// 3.Conditions and Limitations
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// (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
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// (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your
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// patent license from such contributor to the software ends automatically.
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// (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution
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// notices that are present in the software.
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// (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
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// a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or
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// object code form, you may only do so under a license that complies with this license.
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// (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
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// or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
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// extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a
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// particular purpose and non-infringement.
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#endregion // License
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namespace ANX.Framework.Graphics
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{
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public class VertexDeclaration : GraphicsResource
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{
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private int vertexStride;
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private VertexElement[] elements;
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public VertexDeclaration(params VertexElement[] elements)
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{
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this.elements = elements;
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for (int i = 0; i < this.elements.Length; i++)
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{
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this.vertexStride += GetElementStride(this.elements[i].VertexElementFormat);
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}
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}
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public VertexDeclaration(int vertexStride, params VertexElement[] elements)
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{
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this.elements = elements;
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this.vertexStride = vertexStride;
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}
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public override void Dispose()
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{
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throw new NotImplementedException();
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}
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public int VertexStride
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{
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get
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{
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return this.vertexStride;
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}
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}
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public VertexElement[] GetVertexElements()
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{
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if (elements != null)
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{
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return elements.Clone() as VertexElement[];
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}
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else
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{
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return null;
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}
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}
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protected override void Dispose([MarshalAs(UnmanagedType.U1)] bool disposeManaged)
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{
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throw new NotImplementedException();
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}
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private int GetElementStride(VertexElementFormat format)
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{
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switch (format)
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{
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case VertexElementFormat.NormalizedShort2:
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case VertexElementFormat.Byte4:
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case VertexElementFormat.Color:
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case VertexElementFormat.HalfVector2:
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case VertexElementFormat.Short2:
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case VertexElementFormat.Single:
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return 4;
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case VertexElementFormat.HalfVector4:
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case VertexElementFormat.NormalizedShort4:
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case VertexElementFormat.Short4:
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case VertexElementFormat.Vector2:
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return 8;
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case VertexElementFormat.Vector3:
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return 12;
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case VertexElementFormat.Vector4:
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return 16;
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default:
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throw new ArgumentException("unknown VertexElementFormat size '" + format.ToString() + "'");
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}
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}
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}
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}
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