XML : Open Layers and RouteService Layer

I want to add to the OL3 map layer with response from RouteService such as:

http://openls.geog.uni-heidelberg.de/route?start=9.256506,49.240011&end=8.72083,49.7606&via=&lang=de&distunit=KM&routepref=Car&weighting=Fastest&avoidAreas=&useTMC=false&noMotorways=false&noTollways=false&noUnpavedroads=false&noSteps=false&noFerries=false&instructions=false

(I took it from http://wiki.openstreetmap.org/wiki/OpenRouteService)

It contains XML with GML inside.

Is it possible to add new layer to the OL3 map using this response XML/GML ?