#region Using Statements
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ANX.Framework.Graphics;
using SharpDX.Direct3D10;
using ANX.Framework.NonXNA.RenderSystem;
using System.IO;
using System.Runtime.InteropServices;
#endregion // Using Statements
#region License
//
// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
//
// This file is released under the Ms-PL license.
//
//
//
// Microsoft Public License (Ms-PL)
//
// This license governs use of the accompanying software. If you use the software, you accept this license.
// If you do not accept the license, do not use the software.
//
// 1.Definitions
// The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning
// here as under U.S. copyright law.
// A "contribution" is the original software, or any additions or changes to the software.
// A "contributor" is any person that distributes its contribution under this license.
// "Licensed patents" are a contributor's patent claims that read directly on its contribution.
//
// 2.Grant of Rights
// (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations
// in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to
// reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
// or any derivative works that you create.
// (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in
// section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
// patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution
// in the software or derivative works of the contribution in the software.
//
// 3.Conditions and Limitations
// (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
// (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your
// patent license from such contributor to the software ends automatically.
// (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution
// notices that are present in the software.
// (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
// a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or
// object code form, you may only do so under a license that complies with this license.
// (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
// or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
// extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a
// particular purpose and non-infringement.
#endregion // License
namespace ANX.Framework.Windows.DX10
{
public class Texture2D_DX10 : INativeTexture2D
{
#region Private Members
protected internal SharpDX.Direct3D10.Texture2D nativeTexture;
protected internal SharpDX.Direct3D10.ShaderResourceView nativeShaderResourceView;
protected internal int formatSize;
protected internal SurfaceFormat surfaceFormat;
protected internal GraphicsDevice graphicsDevice;
#endregion // Private Members
internal Texture2D_DX10(GraphicsDevice graphicsDevice)
{
this.graphicsDevice = graphicsDevice;
}
public Texture2D_DX10(GraphicsDevice graphicsDevice, int width, int height, SurfaceFormat surfaceFormat, int mipCount)
{
if (mipCount > 1)
{
throw new Exception("creating textures with mip map not yet implemented");
}
this.graphicsDevice = graphicsDevice;
this.surfaceFormat = surfaceFormat;
GraphicsDeviceWindowsDX10 graphicsDX10 = graphicsDevice.NativeDevice as GraphicsDeviceWindowsDX10;
SharpDX.Direct3D10.Device device = graphicsDX10.NativeDevice;
SharpDX.Direct3D10.Texture2DDescription description = new SharpDX.Direct3D10.Texture2DDescription()
{
Width = width,
Height = height,
MipLevels = mipCount,
ArraySize = mipCount,
Format = FormatConverter.Translate(surfaceFormat),
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
Usage = SharpDX.Direct3D10.ResourceUsage.Dynamic,
BindFlags = SharpDX.Direct3D10.BindFlags.ShaderResource,
CpuAccessFlags = SharpDX.Direct3D10.CpuAccessFlags.Write,
OptionFlags = SharpDX.Direct3D10.ResourceOptionFlags.None,
};
this.nativeTexture = new SharpDX.Direct3D10.Texture2D(graphicsDX10.NativeDevice, description);
this.nativeShaderResourceView = new SharpDX.Direct3D10.ShaderResourceView(graphicsDX10.NativeDevice, this.nativeTexture);
// description of texture formats of DX10: http://msdn.microsoft.com/en-us/library/bb694531(v=VS.85).aspx
// more helpfull information on DX10 textures: http://msdn.microsoft.com/en-us/library/windows/desktop/bb205131(v=vs.85).aspx
this.formatSize = FormatConverter.FormatSize(surfaceFormat);
}
public override int GetHashCode()
{
return NativeTexture.NativePointer.ToInt32();
}
internal SharpDX.Direct3D10.Texture2D NativeTexture
{
get
{
return this.nativeTexture;
}
set
{
if (this.nativeTexture != value)
{
if (this.nativeTexture != null)
{
this.nativeTexture.Dispose();
}
this.nativeTexture = value;
}
}
}
internal SharpDX.Direct3D10.ShaderResourceView NativeShaderResourceView
{
get
{
return this.nativeShaderResourceView;
}
set
{
if (this.nativeShaderResourceView != value)
{
if (this.nativeShaderResourceView != null)
{
this.nativeShaderResourceView.Dispose();
}
this.nativeShaderResourceView = value;
}
}
}
public void SetData<T>(GraphicsDevice graphicsDevice, T[] data) where T : struct
{
SetData<T>(graphicsDevice, 0, data, 0, data.Length);
}
public void SetData<T>(GraphicsDevice graphicsDevice, T[] data, int startIndex, int elementCount) where T : struct
{
SetData<T>(graphicsDevice, 0, data, startIndex, elementCount);
}
public void SetData<T>(GraphicsDevice graphicsDevice, int offsetInBytes, T[] data, int startIndex, int elementCount) where T : struct
{
//TODO: handle offsetInBytes parameter
//TODO: handle startIndex parameter
//TODO: handle elementCount parameter
if (this.surfaceFormat == SurfaceFormat.Color)
{
int subresource = SharpDX.Direct3D10.Texture2D.CalculateSubresourceIndex(0, 0, 1);
SharpDX.DataRectangle rectangle = this.nativeTexture.Map(subresource, SharpDX.Direct3D10.MapMode.WriteDiscard, SharpDX.Direct3D10.MapFlags.None);
int rowPitch = rectangle.Pitch;
unsafe
{
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
byte* colorData = (byte*)handle.AddrOfPinnedObject();
byte* pTexels = (byte*)rectangle.DataPointer;
int srcIndex = 0;
for (int row = 0; row < Height; row++)
{
int rowStart = row * rowPitch;
for (int col = 0; col < Width; col++)
{
int colStart = col * formatSize;
pTexels[rowStart + colStart + 0] = colorData[srcIndex++];
pTexels[rowStart + colStart + 1] = colorData[srcIndex++];
pTexels[rowStart + colStart + 2] = colorData[srcIndex++];
pTexels[rowStart + colStart + 3] = colorData[srcIndex++];
}
}
handle.Free();
}
this.nativeTexture.Unmap(subresource);
}
else if (surfaceFormat == SurfaceFormat.Dxt5 || surfaceFormat == SurfaceFormat.Dxt3 || surfaceFormat == SurfaceFormat.Dxt1)
{
unsafe
{
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
byte* colorData = (byte*)handle.AddrOfPinnedObject();
int w = (Width + 3) >> 2;
int h = (Height + 3) >> 2;
formatSize = (surfaceFormat == SurfaceFormat.Dxt1) ? 8 : 16;
int subresource = SharpDX.Direct3D10.Texture2D.CalculateSubresourceIndex(0, 0, 1);
SharpDX.DataRectangle rectangle = this.nativeTexture.Map(subresource, SharpDX.Direct3D10.MapMode.WriteDiscard, SharpDX.Direct3D10.MapFlags.None);
SharpDX.DataStream ds = new SharpDX.DataStream(rectangle.DataPointer, Width * Height * 4 * 2, true, true);
int pitch = rectangle.Pitch;
int col = 0;
int index = 0; // startIndex
int count = data.Length; // elementCount
int actWidth = w * formatSize;
for (int i = 0; i < h; i++)
{
ds.Position = (i * pitch) + (col * formatSize);
if (count <= 0)
{
break;
}
else if (count < actWidth)
{
for (int idx = index; idx < index + count; idx++)
{
ds.WriteByte(colorData[idx]);
}
//ds.WriteRange<byte>(colorDataArray, index, count);
break;
}
for (int idx = index; idx < index + actWidth; idx++)
{
ds.WriteByte(colorData[idx]);
}
//ds.WriteRange<byte>(colorDataArray, index, actWidth);
index += actWidth;
count -= actWidth;
}
handle.Free();
this.nativeTexture.Unmap(subresource);
}
}
else
{
throw new Exception(string.Format("creating textures of format {0} not yet implemented...", surfaceFormat.ToString()));
}
}
public int Width
{
get
{
if (this.nativeTexture != null)
{
return this.nativeTexture.Description.Width;
}
return 0;
}
}
public int Height
{
get
{
if (this.nativeTexture != null)
{
return this.nativeTexture.Description.Height;
}
return 0;
}
}
public GraphicsDevice GraphicsDevice
{
get
{
return this.graphicsDevice;
}
}
public void Dispose()
{
if (this.nativeShaderResourceView != null)
{
this.nativeShaderResourceView.Dispose();
this.nativeShaderResourceView = null;
}
if (this.nativeTexture != null)
{
this.nativeTexture.Dispose();
this.nativeTexture = null;
}
}
}
}