private bool ProcessFrame(Direct3D11CaptureFrame frame, Func <IntPtr, int, int, int, int, object, bool> setPacket)
{
bool processed = true;
using (var bitmap = Direct3D11Helper.CreateSharpDXTexture2D(frame.Surface))
{
if (_dx == null)
{
_d3dDevice.ImmediateContext.CopyResource(bitmap, _screenTexture);
var data = _d3dDevice.ImmediateContext.MapSubresource(_screenTexture, 0, MapMode.Read, MapFlags.None);
if (_initSize.Width * 4 > data.RowPitch)
{
ScreenCaptureManager.Instance.Logger.Warining($"Width of capture is higher then Pitch {_initSize.Width * 4} > {data.RowPitch}");
}
processed = setPacket(data.DataPointer, 4, _initSize.Width, _initSize.Height, data.RowPitch, null);
_d3dDevice.ImmediateContext.UnmapSubresource(_screenTexture, 0);
}
else
{
var dxRes = _dx.CreateCopy(bitmap);
processed = setPacket(IntPtr.Zero, 0, 0, 0, 0, dxRes);
}
}
return(processed);
}
public ScreenCaptureEngine(ScreenCaptureRequest request, IDirectXContext dx, Action <SizeInt32> onSizeChanged)
{
_dx = dx;
_onSizeChanged = onSizeChanged;
_initSize = request.InitialSize;
ScreenCaptureManager.Instance.Logger.Info($"Opening capture {request.Id} ({_initSize.Width}x{_initSize.Height})");
ScreenCaptureManager.Instance.MainThreadExecutor.Execute(() =>
{
_device = dx == null ? Direct3D11Helper.CreateDevice() : Direct3D11Helper.CreateDirect3DDeviceFromSharpDXDevice(dx.Device);
_d3dDevice = Direct3D11Helper.CreateSharpDXDevice(_device);
try
{
_framePool = Direct3D11CaptureFramePool.CreateFreeThreaded(
_device,
DirectXPixelFormat.B8G8R8A8UIntNormalized,
2,
request.InitialSize);
_framePool.FrameArrived += OnFrameArrived;
_session = _framePool.CreateCaptureSession(request.Item);
if (ApiInformation.IsApiContractPresent(typeof(Windows.Foundation.UniversalApiContract).FullName, 10))
{
SetCursor(_session, request.Cursor);
}
_session.StartCapture();
}
catch (Exception e)
{
ScreenCaptureManager.Instance.Logger.Error(e, $"Failed to create capture");
}
}, true);
_screenTexture = CreateTexture(_initSize);
ScreenCaptureManager.Instance.Logger.Info($"Opened capture {request.Id}");
}