private bool CaptureFrameGPU()
{
//uncomment for double vsync
//output.WaitForVerticalBlank();
output.WaitForVerticalBlank();
var result = duplicator.TryAcquireNextFrame(500, out _, out capture);
using (capture)
{
if (result.Code == WaitTimeout)
{
return(false);
}
if (result.Failure)
{
result.CheckError(); //throw
}
using (var texture = capture.QueryInterface <Texture2D>())
device.ImmediateContext.CopySubresourceRegion(texture, 0, null, gpuTexture, 0);
}
TryReleaseFrame();
device.ImmediateContext.GenerateMips(scaler);
device.ImmediateContext.CopySubresourceRegion(gpuTexture, gpuTexture.Description.MipLevels - 1, null, cpuTexture, 0);
return(true);
}
public void waitForVSync()
{
outputStream.WaitForVerticalBlank();
}
