This tool takes your 3D scene and renders it to disk using either OpenGL or Mantra. It produces two images (beauty & depth) with a certain naming convention required by Facebook. More information: https://www.oculus.com/blog/introducing-new-features-for-3d-photos-on-facebook/
Renders the image to disk.
Allows the user to pick between the OpenGL renderengine and Mantra.
Specifies which camera has to be used for the rendering.
Specifies the location of the image that has to be exported.