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);
}
}