protected override void Initialize(DemoConfiguration demoConfiguration)
{
base.Initialize(demoConfiguration);
// Initialize the Font
FontDescription fontDescription = new FontDescription()
{
Height = 72,
Italic = false,
CharacterSet = FontCharacterSet.Ansi,
FaceName = "Arial",
MipLevels = 0,
OutputPrecision = FontPrecision.TrueType,
PitchAndFamily = FontPitchAndFamily.Default,
Quality = FontQuality.ClearType,
Weight = FontWeight.Bold
};
font = new Font(Device, fontDescription);
// Measure the text to display
fontDimension = font.MeasureText(null, DisplayText, new Rectangle(0, 0, 800, 600), FontDrawFlags.Center | FontDrawFlags.VerticalCenter);
xDir = 1;
yDir = 1;
}
/// <summary>
/// Our present hook that will grab a copy of the backbuffer when requested. Note: this supports multi-sampling
/// (anti-aliasing)
/// </summary>
/// <param name="swapChainPtr"></param>
/// <param name="syncInterval"></param>
/// <param name="flags"></param>
/// <returns>The HRESULT of the original method</returns>
private int PresentHook(IntPtr swapChainPtr, int syncInterval, PresentFlags flags)
{
Frame();
var swapChain = (SwapChain) swapChainPtr;
{
try
{
#region Screenshot Request
if (Request != null)
{
try
{
DebugMessage("PresentHook: Request Start");
var startTime = DateTime.Now;
using (var texture = Resource.FromSwapChain<Texture2D>(swapChain, 0))
{
#region Determine region to capture
var regionToCapture = new Rectangle(0, 0, texture.Description.Width,
texture.Description.Height);
if (Request.RegionToCapture.Width > 0)
{
regionToCapture = Request.RegionToCapture;
}
#endregion
var theTexture = texture;
// If texture is multisampled, then we can use ResolveSubresource to copy it into a non-multisampled texture
Texture2D textureResolved = null;
if (texture.Description.SampleDescription.Count > 1)
{
DebugMessage("PresentHook: resolving multi-sampled texture");
// texture is multi-sampled, lets resolve it down to single sample
textureResolved = new Texture2D(texture.Device, new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.None,
Format = texture.Description.Format,
Height = texture.Description.Height,
Usage = ResourceUsage.Default,
Width = texture.Description.Width,
ArraySize = 1,
SampleDescription = new SampleDescription(1, 0), // Ensure single sample
BindFlags = BindFlags.None,
MipLevels = 1,
OptionFlags = texture.Description.OptionFlags
});
// Resolve into textureResolved
texture.Device.ResolveSubresource(texture, 0, textureResolved, 0,
texture.Description.Format);
// Make "theTexture" be the resolved texture
theTexture = textureResolved;
}
// Create destination texture
var textureDest = new Texture2D(texture.Device, new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.None, // CpuAccessFlags.Write | CpuAccessFlags.Read,
Format = Format.R8G8B8A8_UNorm, // Supports BMP/PNG
Height = regionToCapture.Height,
Usage = ResourceUsage.Default, // ResourceUsage.Staging,
Width = regionToCapture.Width,
ArraySize = 1, //texture.Description.ArraySize,
SampleDescription = new SampleDescription(1, 0),
// texture.Description.SampleDescription,
BindFlags = BindFlags.None,
MipLevels = 1, //texture.Description.MipLevels,
OptionFlags = texture.Description.OptionFlags
});
// Copy the subresource region, we are dealing with a flat 2D texture with no MipMapping, so 0 is the subresource index
theTexture.Device.CopySubresourceRegion(theTexture, 0, new ResourceRegion
{
Top = regionToCapture.Top,
Bottom = regionToCapture.Bottom,
Left = regionToCapture.Left,
Right = regionToCapture.Right,
Front = 0,
Back = 1 // Must be 1 or only black will be copied
}, textureDest, 0, 0, 0, 0);
// Note: it would be possible to capture multiple frames and process them in a background thread
// Copy to memory and send back to host process on a background thread so that we do not cause any delay in the rendering pipeline
var request = Request.Clone();
// this.Request gets set to null, so copy the Request for use in the thread
ThreadPool.QueueUserWorkItem(delegate
{
//FileStream fs = new FileStream(@"c:\temp\temp.bmp", FileMode.Create);
//Texture2D.ToStream(testSubResourceCopy, ImageFileFormat.Bmp, fs);
var startCopyToSystemMemory = DateTime.Now;
using (var ms = new MemoryStream())
{
Resource.ToStream(textureDest, ImageFileFormat.Bmp, ms);
ms.Position = 0;
this.DebugMessage("PresentHook: Copy to System Memory time: " +
(DateTime.Now - startCopyToSystemMemory));
var startSendResponse = DateTime.Now;
ProcessCapture(ms, request);
this.DebugMessage("PresentHook: Send response time: " +
(DateTime.Now - startSendResponse));
}
// Free the textureDest as we no longer need it.
textureDest.Dispose();
textureDest = null;
this.DebugMessage("PresentHook: Full Capture time: " + (DateTime.Now - startTime));
});
// Make sure we free up the resolved texture if it was created
if (textureResolved != null)
{
textureResolved.Dispose();
textureResolved = null;
}
}
DebugMessage("PresentHook: Copy BackBuffer time: " + (DateTime.Now - startTime));
DebugMessage("PresentHook: Request End");
}
finally
{
// Prevent the request from being processed a second time
Request = null;
}
}
#endregion
#region Example: Draw overlay (after screenshot so we don't capture overlay as well)
if (Config.ShowOverlay)
{
using (var texture = Resource.FromSwapChain<Texture2D>(swapChain, 0))
{
if (FPS.GetFPS() >= 1)
{
var fd = new FontDescription
{
Height = 16,
FaceName = "Arial",
Italic = false,
Width = 0,
MipLevels = 1,
CharacterSet = FontCharacterSet.Default,
OutputPrecision = FontPrecision.Default,
Quality = FontQuality.Antialiased,
PitchAndFamily = FontPitchAndFamily.Default | FontPitchAndFamily.DontCare,
Weight = FontWeight.Bold
};
// TODO: do not create font every frame!
using (var font = new Font(texture.Device, fd))
{
DrawText(font, new Vector2(5, 5), string.Format("{0:N0} fps", FPS.GetFPS()),
new Color4(Color.Red.ToColor3()));
if (TextDisplay != null && TextDisplay.Display)
{
DrawText(font, new Vector2(5, 25), TextDisplay.Text,
new Color4(Color.Red.ToColor3(), (Math.Abs(1.0f - TextDisplay.Remaining))));
}
}
}
}
}
#endregion
}
catch (Exception e)
{
// If there is an error we do not want to crash the hooked application, so swallow the exception
DebugMessage("PresentHook: Exeception: " + e.GetType().FullName + ": " + e.Message);
}
// As always we need to call the original method, note that EasyHook has already repatched the original method
// so calling it here will not cause an endless recursion to this function
swapChain.Present(syncInterval, flags);
return Result.Ok.Code;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Font"/> class.
/// </summary>
/// <param name="device">The device.</param>
/// <param name="fontDescription">The font description.</param>
public Font(Device device, FontDescription fontDescription) : base(IntPtr.Zero)
{
D3DX10.CreateFontIndirect(device, ref fontDescription, this);
}
/// <summary>
/// Our present hook that will grab a copy of the backbuffer when requested. Note: this supports multi-sampling (anti-aliasing)
/// </summary>
/// <param name="swapChainPtr"></param>
/// <param name="syncInterval"></param>
/// <param name="flags"></param>
/// <returns>The HRESULT of the original method</returns>
int PresentHook(IntPtr swapChainPtr, int syncInterval, PresentFlags flags)
{
this.Frame();
SwapChain swapChain = (SharpDX.DXGI.SwapChain)swapChainPtr;
try
{
#region Screenshot Request
//if (this.Request != null)
//{
// try
// {
// this.DebugMessage("PresentHook: Request Start");
// DateTime startTime = DateTime.Now;
// using (Texture2D texture = Texture2D.FromSwapChain<SharpDX.Direct3D10.Texture2D>(swapChain, 0))
// {
// #region Determine region to capture
// System.Drawing.Rectangle regionToCapture = new System.Drawing.Rectangle(0, 0, texture.Description.Width, texture.Description.Height);
// if (this.Request.RegionToCapture.Width > 0)
// {
// regionToCapture = this.Request.RegionToCapture;
// }
// #endregion
// var theTexture = texture;
// // If texture is multisampled, then we can use ResolveSubresource to copy it into a non-multisampled texture
// Texture2D textureResolved = null;
// if (texture.Description.SampleDescription.Count > 1)
// {
// this.DebugMessage("PresentHook: resolving multi-sampled texture");
// // texture is multi-sampled, lets resolve it down to single sample
// textureResolved = new Texture2D(texture.Device, new Texture2DDescription()
// {
// CpuAccessFlags = CpuAccessFlags.None,
// Format = texture.Description.Format,
// Height = texture.Description.Height,
// Usage = ResourceUsage.Default,
// Width = texture.Description.Width,
// ArraySize = 1,
// SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0), // Ensure single sample
// BindFlags = BindFlags.None,
// MipLevels = 1,
// OptionFlags = texture.Description.OptionFlags
// });
// // Resolve into textureResolved
// texture.Device.ResolveSubresource(texture, 0, textureResolved, 0, texture.Description.Format);
// // Make "theTexture" be the resolved texture
// theTexture = textureResolved;
// }
// // Create destination texture
// Texture2D textureDest = new Texture2D(texture.Device, new Texture2DDescription()
// {
// CpuAccessFlags = CpuAccessFlags.None,// CpuAccessFlags.Write | CpuAccessFlags.Read,
// Format = SharpDX.DXGI.Format.R8G8B8A8_UNorm, // Supports BMP/PNG
// Height = regionToCapture.Height,
// Usage = ResourceUsage.Default,// ResourceUsage.Staging,
// Width = regionToCapture.Width,
// ArraySize = 1,//texture.Description.ArraySize,
// SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),// texture.Description.SampleDescription,
// BindFlags = BindFlags.None,
// MipLevels = 1,//texture.Description.MipLevels,
// OptionFlags = texture.Description.OptionFlags
// });
// // Copy the subresource region, we are dealing with a flat 2D texture with no MipMapping, so 0 is the subresource index
// theTexture.Device.CopySubresourceRegion(theTexture, 0, new ResourceRegion()
// {
// Top = regionToCapture.Top,
// Bottom = regionToCapture.Bottom,
// Left = regionToCapture.Left,
// Right = regionToCapture.Right,
// Front = 0,
// Back = 1 // Must be 1 or only black will be copied
// }, textureDest, 0, 0, 0, 0);
// // Note: it would be possible to capture multiple frames and process them in a background thread
// // Copy to memory and send back to host process on a background thread so that we do not cause any delay in the rendering pipeline
// Guid requestId = this.Request.RequestId; // this.Request gets set to null, so copy the RequestId for use in the thread
// ThreadPool.QueueUserWorkItem(delegate
// {
// //FileStream fs = new FileStream(@"c:\temp\temp.bmp", FileMode.Create);
// //Texture2D.ToStream(testSubResourceCopy, ImageFileFormat.Bmp, fs);
// DateTime startCopyToSystemMemory = DateTime.Now;
// using (MemoryStream ms = new MemoryStream())
// {
// Texture2D.ToStream(textureDest, ImageFileFormat.Bmp, ms);
// ms.Position = 0;
// this.DebugMessage("PresentHook: Copy to System Memory time: " + (DateTime.Now - startCopyToSystemMemory).ToString());
// DateTime startSendResponse = DateTime.Now;
// ProcessCapture(ms, requestId);
// this.DebugMessage("PresentHook: Send response time: " + (DateTime.Now - startSendResponse).ToString());
// }
// // Free the textureDest as we no longer need it.
// textureDest.Dispose();
// textureDest = null;
// this.DebugMessage("PresentHook: Full Capture time: " + (DateTime.Now - startTime).ToString());
// });
// // Make sure we free up the resolved texture if it was created
// if (textureResolved != null)
// {
// textureResolved.Dispose();
// textureResolved = null;
// }
// }
// this.DebugMessage("PresentHook: Copy BackBuffer time: " + (DateTime.Now - startTime).ToString());
// this.DebugMessage("PresentHook: Request End");
// }
// finally
// {
// // Prevent the request from being processed a second time
// this.Request = null;
// }
//}
#endregion
#region Example: Draw overlay (after screenshot so we don't capture overlay as well)
if (this.Config.ShowOverlay)
{
using (Texture2D texture = Texture2D.FromSwapChain <SharpDX.Direct3D10.Texture2D>(swapChain, 0))
{
if (FPS.GetFPS() >= 1)
{
FontDescription fd = new SharpDX.Direct3D10.FontDescription()
{
Height = 16,
FaceName = "Arial",
Italic = false,
Width = 0,
MipLevels = 1,
CharacterSet = SharpDX.Direct3D10.FontCharacterSet.Default,
OutputPrecision = SharpDX.Direct3D10.FontPrecision.Default,
Quality = SharpDX.Direct3D10.FontQuality.Antialiased,
PitchAndFamily = FontPitchAndFamily.Default | FontPitchAndFamily.DontCare,
Weight = FontWeight.Bold
};
// TODO: Font should not be created every frame!
using (Font font = new Font(texture.Device, fd))
{
DrawText(font, new Vector2(5, 5), String.Format("{0:N0} fps", FPS.GetFPS()), new Color4(SharpDX.Color.Red.ToColor3()));
if (this.TextDisplay != null && this.TextDisplay.Display)
{
DrawText(font, new Vector2(5, 25), this.TextDisplay.Text, new Color4(Color.Red.ToColor3(), (Math.Abs(1.0f - TextDisplay.Remaining))));
}
}
}
}
}
#endregion
}
catch (Exception e)
{
// If there is an error we do not want to crash the hooked application, so swallow the exception
this.DebugMessage("PresentHook: Exeception: " + e.GetType().FullName + ": " + e.Message);
}
// As always we need to call the original method, note that EasyHook has already repatched the original method
// so calling it here will not cause an endless recursion to this function
swapChain.Present(syncInterval, flags);
return(SharpDX.Result.Ok.Code);
}
