using System; using ANX.Framework.Graphics; using ANX.Framework.NonXNA.RenderSystem; using Dx11 = SharpDX.Direct3D11; // This file is part of the ANX.Framework created by the // "ANX.Framework developer group" and released under the Ms-PL license. // For details see: http://anxframework.codeplex.com/license namespace ANX.RenderSystem.Windows.Metro { public class VertexBuffer_Metro : INativeVertexBuffer, IDisposable { #region Private private int vertexStride; #endregion #region Public public Dx11.Buffer NativeBuffer { get; private set; } #endregion #region Constructor public VertexBuffer_Metro(GraphicsDevice graphics, VertexDeclaration vertexDeclaration, int vertexCount, BufferUsage usage) { GraphicsDeviceWindowsMetro gdMetro = graphics.NativeDevice as GraphicsDeviceWindowsMetro; var device = gdMetro.NativeDevice.NativeDevice; vertexStride = vertexDeclaration.VertexStride; InitializeBuffer(device, vertexCount, usage); } internal VertexBuffer_Metro(Dx11.Device device, VertexDeclaration vertexDeclaration, int vertexCount, BufferUsage usage) { vertexStride = vertexDeclaration.VertexStride; InitializeBuffer(device, vertexCount, usage); } #endregion #region InitializeBuffer private void InitializeBuffer(Dx11.Device device, int vertexCount, BufferUsage usage) { if (device != null) { var description = new Dx11.BufferDescription() { Usage = FormatConverter.Translate(usage), SizeInBytes = vertexStride * vertexCount, BindFlags = Dx11.BindFlags.VertexBuffer, CpuAccessFlags = Dx11.CpuAccessFlags.Write, OptionFlags = Dx11.ResourceOptionFlags.None }; NativeBuffer = new Dx11.Buffer(device, description); } } #endregion #region SetData public void SetData(GraphicsDevice graphicsDevice, int offsetInBytes, T[] data, int startIndex, int elementCount) where T : struct { SetData(graphicsDevice, offsetInBytes, data, startIndex, elementCount, vertexStride); } public void SetData(GraphicsDevice graphicsDevice, T[] data) where T : struct { SetData(graphicsDevice, data, 0, data.Length); } public void SetData(GraphicsDevice graphicsDevice, T[] data, int startIndex, int elementCount) where T : struct { SetData(graphicsDevice, 0, data, startIndex, elementCount); } public void SetData(GraphicsDevice graphicsDevice, int offsetInBytes, T[] data, int startIndex, int elementCount, int vertexStride) where T : struct { GraphicsDeviceWindowsMetro gdMetro = graphicsDevice.NativeDevice as GraphicsDeviceWindowsMetro; var device = gdMetro.NativeDevice; //TODO: check offsetInBytes parameter for bounds etc. SharpDX.DataStream stream = device.MapSubresource(NativeBuffer); if (startIndex > 0 || elementCount < data.Length) { for (int i = startIndex; i < startIndex + elementCount; i++) { stream.Write(data[i]); } } else { for (int i = 0; i < data.Length; i++) { stream.Write(data[i]); } } device.UnmapSubresource(NativeBuffer, 0); } #endregion #region GetData (TODO) public void GetData(int offsetInBytes, T[] data, int startIndex, int elementCount, int vertexStride) where T : struct { throw new NotImplementedException(); } public void GetData(T[] data) where T : struct { throw new NotImplementedException(); } public void GetData(T[] data, int startIndex, int elementCount) where T : struct { throw new NotImplementedException(); } #endregion #region Dispose public void Dispose() { if (NativeBuffer != null) { NativeBuffer.Dispose(); NativeBuffer = null; } } #endregion } }