Stereo Camera plot

Hi folks,

I have stereo images coming from a robot simulator (which I can convert to jpg). I am alreay tracking the head and rendering the scene according to the eye position. Now I need to show these stereo images on the respective eyes. 

Following the rendering tutorial, I could not understand what I need to do in order to plot the images on the Oculus, given that I already have the image. Could someone please give me a light? Sorry if the question seems trivial, I'm new to Oculus and OpenGL :)

Thank you