I also very much hope for stereo 360 rendering for VR - is that what you mean by stereo rendering with shade map?
I think it involves rendering the image in two passes - first pass renders the center of the two eyes storing the shading computations in a shade map(which I think is similar to a deep EXR),
the second pass renders both the left and right eye, but reuses the shading from the first pass (the shade map) to speed things up.
Without the shade map, it might be very easy to add stereo rendering.
Greetings,
Vladimir Nedev
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