SharpDX screen capture

[FugaziScript]

Wouldn’t it be faster to capture the game's frames (front buffer) using sharpdx, and then create a new dx11 virtual device to apply effects on it and display the final image?
useful links:
https://docs.microsoft.com/en-us/windows/uwp/audio-video-camera/screen-capture-video
https://github.com/sharpdx/SharpDX-Samples/blob/master/Desktop/Direct3D11.1/ScreenCapture/Program.cs
https://github.com/spazzarama/Direct3DHook