117 lines
4.0 KiB
C#
117 lines
4.0 KiB
C#
#region Using Statements
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using System;
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using ANX.Framework.Graphics;
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using ANX.Framework.NonXNA.RenderSystem;
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using SharpDX;
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#endregion
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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#if DX10
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using Dx = SharpDX.Direct3D10;
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using DxDevice = SharpDX.Direct3D10.Device;
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namespace ANX.RenderSystem.Windows.DX10
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#endif
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#if DX11
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using Dx = SharpDX.Direct3D11;
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using DxDevice = SharpDX.Direct3D11.Device;
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namespace ANX.RenderSystem.Windows.DX11
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#endif
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{
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public partial class DxVertexBuffer : INativeVertexBuffer, IDisposable
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{
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public Dx.Buffer NativeBuffer { get; protected set; }
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private Dx.DeviceContext context;
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#region Constructor
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public DxVertexBuffer(GraphicsDevice graphics, VertexDeclaration vertexDeclaration, int vertexCount, BufferUsage usage)
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{
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var gd11 = graphics.NativeDevice as GraphicsDeviceDX;
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this.context = gd11 != null ? gd11.NativeDevice as Dx.DeviceContext : null;
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InitializeBuffer(context.Device, vertexDeclaration, vertexCount, usage);
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}
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internal DxVertexBuffer(Dx.Device device, VertexDeclaration vertexDeclaration, int vertexCount, BufferUsage usage)
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{
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InitializeBuffer(device, vertexDeclaration, vertexCount, usage);
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}
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#endregion
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#region InitializeBuffer (TODO)
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private void InitializeBuffer(Dx.Device device, VertexDeclaration vertexDeclaration, int vertexCount, BufferUsage usage)
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{
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vertexStride = vertexDeclaration.VertexStride;
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//TODO: translate and use usage
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if (device != null)
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{
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var description = new Dx.BufferDescription()
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{
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Usage = Dx.ResourceUsage.Dynamic,
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SizeInBytes = vertexDeclaration.VertexStride * vertexCount,
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BindFlags = Dx.BindFlags.VertexBuffer,
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CpuAccessFlags = Dx.CpuAccessFlags.Write,
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OptionFlags = Dx.ResourceOptionFlags.None
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};
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NativeBuffer = new Dx.Buffer(device, description);
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}
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}
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#endregion
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private SharpDX.DataStream MapBufferWrite()
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{
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Dx.DeviceContext context = NativeBuffer.Device.ImmediateContext;
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DataStream stream;
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context.MapSubresource(NativeBuffer, Dx.MapMode.WriteDiscard, Dx.MapFlags.None, out stream);
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return stream;
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}
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private SharpDX.DataStream MapBufferRead(Dx.Resource buffer)
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{
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DataStream stream;
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buffer.Device.ImmediateContext.MapSubresource(buffer, 0, Dx.MapMode.Read, Dx.MapFlags.None, out stream);
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return stream;
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}
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private void UnmapBuffer()
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{
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Dx.DeviceContext context = NativeBuffer.Device.ImmediateContext;
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context.UnmapSubresource(NativeBuffer, 0);
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}
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private void CopySubresource(Dx.Buffer source, Dx.Buffer destination)
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{
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BufferHelper.ValidateCopyResource(source, destination);
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this.context.CopyResource(source, destination);
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}
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private void UnmapBuffer(Dx.Resource buffer)
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{
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buffer.Device.ImmediateContext.UnmapSubresource(buffer, 0);
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}
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private Dx.Buffer CreateStagingBuffer()
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{
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var description = new Dx.BufferDescription()
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{
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Usage = Dx.ResourceUsage.Staging,
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SizeInBytes = NativeBuffer.Description.SizeInBytes,
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BindFlags = Dx.BindFlags.VertexBuffer,
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CpuAccessFlags = Dx.CpuAccessFlags.Read,
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OptionFlags = Dx.ResourceOptionFlags.None
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};
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return new Dx.Buffer(context.Device, description);
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}
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}
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}
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