This is a special
DisplayRegionwrapper that actually includes a pair of
DisplayRegionsinternally: the left and right eyes. The
DisplayRegionrepresented here does not have a physical association with the window, but it pretends it does. Instead, it maintains a pointer to the left and right
Returns a pointer to the left
DisplayRegionmanaged by this stereo object.
- DisplayRegion *get_left_eye(void)