55ab328f79
Also did some Refactoring for Classes that implement and use INativeBuffer. The memory usage reduction for rendertargets resulted in some refactoring of the directx texture classes. Also added DebugNames for some DirectX resources in case of a debug build.
113 lines
3.8 KiB
C#
113 lines
3.8 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(GraphicsDeviceDX graphics, VertexDeclaration vertexDeclaration, int vertexCount, BufferUsage usage)
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{
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this.context = graphics.NativeDevice;
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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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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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#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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