public InfoText(Device device)
{
this.device = device;
outputMerger = device.OutputMerger;
font = new Font(device, 20, 0, FontWeight.Normal, 0, false, FontCharacterSet.Default,
FontPrecision.Default, FontQuality.ClearTypeNatural, FontPitchAndFamily.DontCare, "tahoma");
renderTexture = new Texture2D(device, new Texture2DDescription()
{
ArraySize = 1,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Format = Format.R8G8B8A8_UNorm,
Height = rect.Height,
Width = rect.Width,
MipLevels = 1,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default
});
renderTextureView = new RenderTargetView(device, renderTexture);
renderViews = new[] { renderTextureView };
OverlayBufferRes = new ShaderResourceView(device, renderTexture, new ShaderResourceViewDescription()
{
Format = Format.R8G8B8A8_UNorm,
Dimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new ShaderResourceViewDescription.Texture2DResource()
{
MipLevels = 1,
MostDetailedMip = 0
}
});
}
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;
}
private void DrawText(Font font, Vector2 pos, string text, Color4 color)
{
font.DrawText(null, text, new SharpDX.Rectangle((int) pos.X, (int) pos.Y, 0, 0), FontDrawFlags.NoClip, color);
}
/// <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;
}
}
private void DrawText(SharpDX.Direct3D10.Font font, Vector2 pos, string text, Color4 color)
{
font.DrawText(null, text, new Rectangle((int)pos.X, (int)pos.Y, 0, 0), SharpDX.Direct3D10.FontDrawFlags.NoClip, color);
}
public InfoText(Device device)
{
font = new Font(device, 20, 0, FontWeight.Normal, 0, false, FontCharacterSet.Default,
FontPrecision.Default, FontQuality.ClearTypeNatural, FontPitchAndFamily.DontCare, "tahoma");
}