How to get image from both eyes?

[NintyS]

Hello, I write program to get the image from both eyes to send them to my own HMD and I don't really get how I supposed to do this. Somebody can write me how to do this and what to use or send any useful link?

Update: Okey, I found out a vr::IVRVirtualDisplay and this tutorial(?): https://github.com/ValveSoftware/openvr/blob/master/docs/Driver_API_Documentation.md#ivrvirtualdisplay

I did every step and now I'm getting a error: