What does the Landscape Physical Material Output node do?

[arunoda (Arunoda Susiripala)]

@MostHost_LA

What you have to do is test the load on the auto material from the slope sampling. The operations can be more costly than a texture sample.

About this.
I did some tests of both mobile & Desktop.

Reducing tries with LOD distributions helps a lot compared to optimized the material itself.

Mobile Performance Optimizations for Landscapes in Unreal Engine

Mobile Landscape Material Performance Optimizations for Unreal Engine