I’ve updated my WIP SDF Shading node patch. It supports Eevee and Cycles (limited testing, not OSL).
https://developer.blender.org/D6464
Buildbot builds for D6464 are available here: https://builder.blender.org/download/patch/
Feedback can be posted here: https://devtalk.blender.org/t/sdf-functions/11055
Please use at your own risk. Keep away from production files.