public override void ToggleFullScreen(IntPtr handle)
{
//if (LostDevice != null)
// LostDevice();
factory.SetWindowAssociation(handle, SlimDX.DXGI.WindowAssociationFlags.IgnoreAll);
SwapChain.Dispose();
backBuffer.Dispose();
RenderView.Dispose();
SwapChain = new SlimDX.DXGI.SwapChain(factory, Device10, new SlimDX.DXGI.SwapChainDescription
{
BufferCount = 1,
ModeDescription = new SlimDX.DXGI.ModeDescription(View.ClientSize.Width, View.ClientSize.Height, new Rational(60, 1), SlimDX.DXGI.Format.R8G8B8A8_UNorm),
IsWindowed = false,
OutputHandle = handle,
SampleDescription = new SlimDX.DXGI.SampleDescription(1, 0),
SwapEffect = SlimDX.DXGI.SwapEffect.Discard,
Usage = SlimDX.DXGI.Usage.RenderTargetOutput,
Flags = SlimDX.DXGI.SwapChainFlags.AllowModeSwitch
});
backBuffer = SlimDX.Direct3D10.Texture2D.FromSwapChain <SlimDX.Direct3D10.Texture2D>(SwapChain, 0);
RenderView = new SlimDX.Direct3D10.RenderTargetView(Device10, backBuffer);
//Create(handle);
//SwapChain.SetFullScreenState(true, null);
//if (ResetDevice != null)
// ResetDevice();
}
public override void Hook()
{
this.DebugMessage("Hook: Begin");
// Determine method addresses in Direct3D10.Device, and DXGI.SwapChain
if (_d3d10VTblAddresses == null)
{
_d3d10VTblAddresses = new List <IntPtr>();
_dxgiSwapChainVTblAddresses = new List <IntPtr>();
this.DebugMessage("Hook: Before device creation");
using (SlimDX.DXGI.Factory factory = new SlimDX.DXGI.Factory())
{
using (SlimDX.Direct3D10.Device device = new Device(factory.GetAdapter(0), DriverType.Hardware, DeviceCreationFlags.None))
{
this.DebugMessage("Hook: Device created");
_d3d10VTblAddresses.AddRange(GetVTblAddresses(device.ComPointer, D3D10_DEVICE_METHOD_COUNT));
using (SlimDX.Windows.RenderForm renderForm = new SlimDX.Windows.RenderForm())
{
using (SlimDX.DXGI.SwapChain sc = new SlimDX.DXGI.SwapChain(factory, device, DXGI.CreateSwapChainDescription(renderForm.Handle)))
{
_dxgiSwapChainVTblAddresses.AddRange(GetVTblAddresses(sc.ComPointer, DXGI.DXGI_SWAPCHAIN_METHOD_COUNT));
}
}
}
}
}
// We will capture the backbuffer here
DXGISwapChain_PresentHook = LocalHook.Create(
_dxgiSwapChainVTblAddresses[(int)DXGI.DXGISwapChainVTbl.Present],
new DXGISwapChain_PresentDelegate(PresentHook),
this);
// We will capture target/window resizes here
DXGISwapChain_ResizeTargetHook = LocalHook.Create(
_dxgiSwapChainVTblAddresses[(int)DXGI.DXGISwapChainVTbl.ResizeTarget],
new DXGISwapChain_ResizeTargetDelegate(ResizeTargetHook),
this);
/*
* Don't forget that all hooks will start deactivated...
* The following ensures that all threads are intercepted:
* Note: you must do this for each hook.
*/
DXGISwapChain_PresentHook.ThreadACL.SetExclusiveACL(new Int32[1]);
DXGISwapChain_ResizeTargetHook.ThreadACL.SetExclusiveACL(new Int32[1]);
}
/// <summary>
/// Hooked to allow resizing a texture/surface that is reused. Currently not in use as we create the texture for each request
/// to support different sizes each time (as we use DirectX to copy only the region we are after rather than the entire backbuffer)
/// </summary>
/// <param name="swapChainPtr"></param>
/// <param name="newTargetParameters"></param>
/// <returns></returns>
int ResizeTargetHook(IntPtr swapChainPtr, ref DXGI.DXGI_MODE_DESC newTargetParameters)
{
using (SlimDX.DXGI.SwapChain swapChain = SlimDX.DXGI.SwapChain.FromPointer(swapChainPtr))
{
// This version creates a new texture for each request so there is nothing to resize.
// IF the size of the texture is known each time, we could create it once, and then possibly need to resize it here
return(swapChain.ResizeTarget(
new SlimDX.DXGI.ModeDescription()
{
Format = newTargetParameters.Format,
Height = newTargetParameters.Height,
RefreshRate = newTargetParameters.RefreshRate,
Scaling = newTargetParameters.Scaling,
ScanlineOrdering = newTargetParameters.ScanlineOrdering,
Width = newTargetParameters.Width
}
).Code);
}
}
public void Dispose()
{
if (screenRenderTargetView != null)
{
screenRenderTargetView.Dispose();
screenRenderTargetView = null;
}
if (swapChain != null)
{
swapChain.Dispose();
swapChain = null;
}
if (deviceContext != null)
{
deviceContext.Dispose();
deviceContext = null;
}
if (device != null)
{
device.Dispose();
device = null;
}
if (form != null)
{
form.Dispose();
form = null;
}
}
public override void Hook()
{
this.DebugMessage("Hook: Begin");
// Determine method addresses in Direct3D10.Device, and DXGI.SwapChain
if (_d3d10VTblAddresses == null)
{
_d3d10VTblAddresses = new List<IntPtr>();
_dxgiSwapChainVTblAddresses = new List<IntPtr>();
this.DebugMessage("Hook: Before device creation");
using (SlimDX.DXGI.Factory factory = new SlimDX.DXGI.Factory())
{
using (SlimDX.Direct3D10.Device device = new Device(factory.GetAdapter(0), DriverType.Hardware, DeviceCreationFlags.None ))
{
this.DebugMessage("Hook: Device created");
_d3d10VTblAddresses.AddRange(GetVTblAddresses(device.ComPointer, D3D10_DEVICE_METHOD_COUNT));
using (SlimDX.Windows.RenderForm renderForm = new SlimDX.Windows.RenderForm())
{
using (SlimDX.DXGI.SwapChain sc = new SlimDX.DXGI.SwapChain(factory, device, DXGI.CreateSwapChainDescription(renderForm.Handle)))
{
_dxgiSwapChainVTblAddresses.AddRange(GetVTblAddresses(sc.ComPointer, DXGI.DXGI_SWAPCHAIN_METHOD_COUNT));
}
}
}
}
}
// We will capture the backbuffer here
DXGISwapChain_PresentHook = LocalHook.Create(
_dxgiSwapChainVTblAddresses[(int)DXGI.DXGISwapChainVTbl.Present],
new DXGISwapChain_PresentDelegate(PresentHook),
this);
// We will capture target/window resizes here
DXGISwapChain_ResizeTargetHook = LocalHook.Create(
_dxgiSwapChainVTblAddresses[(int)DXGI.DXGISwapChainVTbl.ResizeTarget],
new DXGISwapChain_ResizeTargetDelegate(ResizeTargetHook),
this);
/*
* Don't forget that all hooks will start deactivated...
* The following ensures that all threads are intercepted:
* Note: you must do this for each hook.
*/
DXGISwapChain_PresentHook.ThreadACL.SetExclusiveACL(new Int32[1]);
DXGISwapChain_ResizeTargetHook.ThreadACL.SetExclusiveACL(new Int32[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>
int PresentHook(IntPtr swapChainPtr, int syncInterval, SlimDX.DXGI.PresentFlags flags)
{
using (SlimDX.DXGI.SwapChain swapChain = SlimDX.DXGI.SwapChain.FromPointer(swapChainPtr))
{
try
{
#region Screenshot Request
if (this.Request != null)
{
try
{
this.DebugMessage("PresentHook: Request Start");
DateTime startTime = DateTime.Now;
using (Texture2D texture = Texture2D.FromSwapChain <SlimDX.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 SlimDX.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 = SlimDX.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 SlimDX.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;
SendResponse(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)
using (Texture2D texture = Texture2D.FromSwapChain <SlimDX.Direct3D10.Texture2D>(swapChain, 0))
{
if (_lastFrame != null)
{
FontDescription fd = new SlimDX.Direct3D10.FontDescription()
{
Height = 16,
FaceName = "Times New Roman",
IsItalic = false,
Width = 0,
MipLevels = 1,
CharacterSet = SlimDX.Direct3D10.FontCharacterSet.Default,
Precision = SlimDX.Direct3D10.FontPrecision.Default,
Quality = SlimDX.Direct3D10.FontQuality.Antialiased,
PitchAndFamily = FontPitchAndFamily.Default | FontPitchAndFamily.DontCare
};
using (Font font = new Font(texture.Device, fd))
{
DrawText(font, new Vector2(100, 100), String.Format("{0}", DateTime.Now), new Color4(System.Drawing.Color.Red));
}
}
_lastFrame = DateTime.Now;
}
#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
return(swapChain.Present(syncInterval, flags).Code);
}
}
public override void ToggleFullScreen(IntPtr handle)
{
//if (LostDevice != null)
// LostDevice();
factory.SetWindowAssociation(handle, SlimDX.DXGI.WindowAssociationFlags.IgnoreAll);
SwapChain.Dispose();
backBuffer.Dispose();
RenderView.Dispose();
SwapChain = new SlimDX.DXGI.SwapChain(factory, Device10, new SlimDX.DXGI.SwapChainDescription
{
BufferCount = 1,
ModeDescription = new SlimDX.DXGI.ModeDescription(View.ClientSize.Width, View.ClientSize.Height, new Rational(60, 1), SlimDX.DXGI.Format.R8G8B8A8_UNorm),
IsWindowed = false,
OutputHandle = handle,
SampleDescription = new SlimDX.DXGI.SampleDescription(1, 0),
SwapEffect = SlimDX.DXGI.SwapEffect.Discard,
Usage = SlimDX.DXGI.Usage.RenderTargetOutput,
Flags = SlimDX.DXGI.SwapChainFlags.AllowModeSwitch
});
backBuffer = SlimDX.Direct3D10.Texture2D.FromSwapChain<SlimDX.Direct3D10.Texture2D>(SwapChain, 0);
RenderView = new SlimDX.Direct3D10.RenderTargetView(Device10, backBuffer);
//Create(handle);
//SwapChain.SetFullScreenState(true, null);
//if (ResetDevice != null)
// ResetDevice();
}
