public void ReleaseFrame(ILogger logger)
{
try
{
_outputDuplication.ReleaseFrame();
}
catch (SharpGenException ex)
{
if (ex.ResultCode.Failure)
{
logger.LogWarning($"Failed to release frame: {ex.Descriptor.Description}");
}
}
}
public override void Update(double deltaTime)
{
IDXGIResource screenResource;
OutduplFrameInfo frameInfo;
try
{
if (release)
{
duplication.ReleaseFrame();
release = false;
}
duplication.AcquireNextFrame(500, out frameInfo, out screenResource);
using (var tempTexture = screenResource.QueryInterface <ID3D11Texture2D>())
device.ImmediateContext.CopySubresourceRegion(smallerTexture, 0, 0, 0, 0, tempTexture, 0);
device.ImmediateContext.GenerateMips(smallerTextureView);
device.ImmediateContext.CopySubresourceRegion(stagingTexture, 0, 0, 0, 0, smallerTexture, 1);
var dataBox = device.ImmediateContext.Map(stagingTexture, 0, MapMode.Read, Vortice.Direct3D11.MapFlags.None);
ProcessDataIntoSKPixmap(dataBox);
device.ImmediateContext.Unmap(stagingTexture, 0);
screenResource.Dispose();
release = true;
//duplication.ReleaseFrame();
}
catch (SharpGen.Runtime.SharpGenException e)
{
if (e.ResultCode == Vortice.DXGI.ResultCode.AccessLost)
{
StartDesktopDuplicator(0, 0);
}
else if (e.ResultCode == Vortice.DXGI.ResultCode.WaitTimeout)
{
//ignore
}
else
{
}
//throw;
}
}
