PCG Custom Prim Data & Per-Instance Custom Data?

[Frenetic]

to confirm: this is absolutely doable, custom-data packer is where it’s at

check the top pic of my post here on where it’s in the UI:

Procedural Landscape Layers

Got it working with custom-attributes off the GPU. The item is buried in the UI: [image] EDIT: Yup, best of both worlds. I can use the alpha-layer in my RVT to act as the grassmask. (Essentially) the same maths would be feeding into the gass-output node in the landscape material, but at the cost of 3 texture-samplings (in my particular case). Per-layer, if I had a few masks, it would add up; no-go for me. With this method, I don’t even need a gass-node, so there’s 0cost there.. …