Cineversity

I’ve run some test renders to try to understand the core difference between the two renderers as they relate to Multipass output.
I have much greater success in getting all my multipass render passes when I use the standard renderer than physical. 
I assume multipass is configured to work properly with both, correct?  The very specific problem I keep running into:

Multipass Global illumination and diffuse passes return successfully when I use standard materials, but when I want to
use native PBR materials , the GI and diffuse pass are 100% black consistently.  My light source in both cases is a sky object
with and HDRI, and a compositing tag. 

I prefer to work with PBR materials, and honestly I could just stick with Redshift, but still I’d like to work between renderers
just for flexibility.

thanks,

  Jerry

Hi Jerry,

Set up a simple scene, perhaps a sphere with “slim” Torus around, while both have PBR material. A sky with an HDR image and GI enabled.
Add ALL passes to the Multi-Pass render. You might find that the Diffuse is black, but there is a Direct and Indirect Diffuse pass, for example.
In the Picture Viewer, set the settings to Layer and Single-Pass, to see each pass by itself.

Example
https://www.amazon.com/clouddrive/share/pvyAFTsyfjQo9xMaNXu2ZQtoPpVQo4Rqw23K6JFaYiY

I hope that works now for you, perhaps better than before, given the separation of direct and indirect.

Cheers

Thank you Dr. Sassi,

  that is very helpful indeed.  Huge thanks for the example file!  I’ll add this note to my workflow. 

Cheers,
  Jerry

Thank you very much for taking the time, Jerry.

My best wishes