cbe7f9dd03
The idea of pole merge is to fade interocular distance after a certain altitude to zero when altitude goes closer to a pole. This should prevent annoyances looking up in the sky or down to the bottom. Works for both panorama and perspective cameras when Spherical Stereo is enabled. Reviewers: dfelinto, brecht Reviewed By: brecht Subscribers: sebastian_k Differential Revision: https://developer.blender.org/D1998