Thanks Skientia. Yes I realize RTV is not the be and end all viewport solution and that there are other ways to increase the viewport efficiency. But RTV is fantastic and I would just like to see it work with the Octane Compositor as well. (I heard yesterday that RTV doesn't support Compositor yet ...

Thanks Skientia. Yes I realize RTV is not the be and end all viewport solution and that there are other ways to increase the viewport efficiency. But RTV is fantastic and I would just like to see it work with the Octane Compositor as well. (I heard yesterday that RTV doesn't support Compositor yet)

Ok so, I have the "enable real-time in viewport rendering" option in Octane enabled in all my default scenes. And works great to get faster, smoother previews in Blender's viewport.
Now here's my issue: when I activate the octane AOVs and the Octane compositor output, the blender viewport goes gray ...

Plug OutRotation of an Object Data Node to the Sun Direction. Create an empty sphere, and select the sphere as the Object in the Object Data node. That way, when you rotate the sphere the sun will too. Hope this helps