public bool Get(Texture2D Texture, DxMousePointer DxMousePointer, Point TargetPosition = default)
{
lock (_syncLock)
{
// Disposed
if (_device == null)
{
return(false);
}
if (_bkpTexture == null)
{
var desc = Texture.Description;
desc.Width = _width;
desc.Height = _height;
// _device is being used by Desktop Duplication
_bkpTexture = new Texture2D(Texture.Device, desc);
}
var acquireResult = _frameGrabber.Grab();
if (acquireResult == null)
{
// _device is being used by Desktop Duplication
Texture.Device.ImmediateContext.CopySubresourceRegion(_bkpTexture,
0,
new ResourceRegion(0, 0, 0, _width, _height, 1),
Texture,
0,
TargetPosition.X, TargetPosition.Y);
return(true);
}
if (acquireResult.Result.Failure)
{
throw new Exception($"Failed to acquire next frame: {acquireResult.Result.Code}");
}
using (acquireResult.DesktopResource)
using (var tempTexture = acquireResult.DesktopResource.QueryInterface <Texture2D>())
{
DxMousePointer?.Update(tempTexture, acquireResult.FrameInfo, _deskDupl);
Texture.Device.ImmediateContext.CopySubresourceRegion(tempTexture,
0,
new ResourceRegion(0, 0, 0, _width, _height, 1),
Texture,
0,
TargetPosition.X, TargetPosition.Y);
_device.ImmediateContext.CopyResource(tempTexture, _bkpTexture);
}
_frameGrabber.Release();
return(true);
}
}
public void Dispose()
{
try { _mousePointer?.Dispose(); }
catch { }
finally { _mousePointer = null; }
try { _editorSession.Dispose(); }
catch { }
finally { _editorSession = null; }
try { _duplCapture.Dispose(); }
catch { }
finally { _duplCapture = null; }
try { _desktopImageTexture.Dispose(); }
catch { }
finally { _desktopImageTexture = null; }
try { _stagingTexture.Dispose(); }
catch { }
finally { _stagingTexture = null; }
try { _device.Dispose(); }
catch { }
finally { _device = null; }
try { _deviceForDeskDupl.Dispose(); }
catch { }
finally { _deviceForDeskDupl = null; }
}
public void Dispose()
{
try
{
_mousePointer?.Dispose();
}
catch
{
// Ignored in dispose
}
_mousePointer = null;
try { _editorSession.Dispose(); }
catch
{
// Ignored in dispose
}
_editorSession = null;
try { _desktopDuplicationCapture.Dispose(); }
catch
{
// Ignored in dispose
}
_desktopDuplicationCapture = null;
try { _desktopImageTexture.Dispose(); }
catch
{
// Ignored in dispose
}
_desktopImageTexture = null;
try { _stagingTexture.Dispose(); }
catch
{
// Ignored in dispose
}
_stagingTexture = null;
try { _device.Dispose(); }
catch
{
// Ignored in dispose
}
_device = null;
try { _deviceForDesktopDuplication.Dispose(); }
catch
{
// Ignored in dispose
}
_deviceForDesktopDuplication = null;
}
public DesktopDuplicator(bool includeCursor, Output1 output)
{
_device = new Device(DriverType.Hardware,
DeviceCreationFlags.BgraSupport,
FeatureLevel.Level_11_1);
// Separate Device required otherwise AccessViolationException happens
using (var adapter = output.GetParent <Adapter>())
_deviceForDesktopDuplication = new Device(adapter);
_desktopDuplicationCapture = new DesktopDuplicationCapture(_deviceForDesktopDuplication, output);
var bounds = output.Description.DesktopBounds;
var width = bounds.Right - bounds.Left;
var height = bounds.Bottom - bounds.Top;
_stagingTexture = new Texture2D(_device, new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = width,
Height = height,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
});
_desktopImageTexture = new Texture2D(_device, new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.None,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
Format = Format.B8G8R8A8_UNorm,
Width = width,
Height = height,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Default
});
_editorSession = new Direct2DEditorSession(_desktopImageTexture, _device, _stagingTexture);
if (includeCursor)
{
_mousePointer = new DxMousePointer(_editorSession);
}
}
public void Dispose()
{
try { _mousePointer?.Dispose(); }
catch { }
finally { _mousePointer = null; }
try { _duplCapture.Dispose(); }
catch { }
finally { _duplCapture = null; }
try { _editorSession.Dispose(); }
catch { }
finally { _editorSession = null; }
}
public DesktopDuplicator(bool IncludeCursor, Output1 Output, IPreviewWindow PreviewWindow)
{
_duplCapture = new DuplCapture(Output);
var bounds = Output.Description.DesktopBounds;
var width = bounds.Right - bounds.Left;
var height = bounds.Bottom - bounds.Top;
_editorSession = new Direct2DEditorSession(width, height, PreviewWindow);
if (IncludeCursor)
{
_mousePointer = new DxMousePointer(_editorSession);
}
}
public void Dispose()
{
try { _duplCapture.Dispose(); }
catch { }
finally { _duplCapture = null; }
// Mouse Pointer disposed later to prevent errors.
try { _mousePointer?.Dispose(); }
catch { }
finally { _mousePointer = null; }
try { _editorSession.Dispose(); }
catch { }
finally { _editorSession = null; }
}
public bool Get(Texture2D texture, DxMousePointer dxMousePointer)
{
lock (_syncLock)
{
if (_acquireTask == null)
{
BeginAcquireFrame();
return(false);
}
var acquireResult = _acquireTask.Result;
if (acquireResult.Result == ResultCode.WaitTimeout)
{
BeginAcquireFrame();
return(false);
}
if (acquireResult.Result.Failure)
{
throw new Exception($"Failed to acquire next frame: {acquireResult.Result.Code}");
}
using (acquireResult.DesktopResource)
using (var tempTexture = acquireResult.DesktopResource.QueryInterface <Texture2D>())
{
dxMousePointer?.Update(tempTexture, acquireResult.FrameInfo, _outputDuplication);
_device.ImmediateContext.CopyResource(tempTexture, texture);
}
_outputDuplication.ReleaseFrame();
BeginAcquireFrame();
return(true);
}
}
public bool Get(Texture2D Texture, DxMousePointer DxMousePointer)
{
lock (_syncLock)
{
if (_bkpTexture == null)
{
// _device is being used by Desktop Duplication
_bkpTexture = new Texture2D(Texture.Device, Texture.Description);
}
var acquireResult = _frameGrabber.Grab();
if (acquireResult == null)
{
// _device is being used by Desktop Duplication
Texture.Device.ImmediateContext.CopyResource(_bkpTexture, Texture);
return(true);
}
if (acquireResult.Result.Failure)
{
throw new Exception($"Failed to acquire next frame: {acquireResult.Result.Code}");
}
using (acquireResult.DesktopResource)
using (var tempTexture = acquireResult.DesktopResource.QueryInterface <Texture2D>())
{
DxMousePointer?.Update(tempTexture, acquireResult.FrameInfo, _deskDupl);
_device.ImmediateContext.CopyResource(tempTexture, Texture);
_device.ImmediateContext.CopyResource(tempTexture, _bkpTexture);
}
_frameGrabber.Release();
return(true);
}
}
