Metahuman performance

[offlexpl]

UE - How to improve Groom hair performance?

First of all LODs are everything. Hair groom are THE most expensive of all grooms, you should start with it. Open up your groom’s file, go to LOD tab on the right and change the LOD 0 settings to your liking. Changing only “Curve Decimation” to 0.1 made a lot of performance boost for me, but other settings are interesting too. Don’t forget to delete\edit other LODs. Additionally, you can reduce texture size for MH materials, here’s tut - https://www.youtube.com/watch?v=YvB_drutelc. Moreover, …

UE - How to improve Groom hair performance?

UPDATE: anyways, grooms suck. I decided it’s more performance friendly to use groom’s mesh card, then exporting it to blender, adding weights for head bone, exporting UV map to photoshop, adding custom textures for hair strings and using all of it except for groom - literally zero FPS drop.