Runtime Virtual Textures: The Ultimate Starter Guide [UE5]

NOTES:
1. Make sure you have Enable Virtual Texture Support checked in your Project Settings!

2. You can specify a specific Mip level when sampling an RVT by clicking the Sample RVT node and scrolling down to Texture Sample - Mip Value Mode. This can be really helpful when you want to "blur" the RVT result for grass culling/colouring etc.

-----------

It is here; The ULTIMATE Guide for RVTs in Unreal Engine. RVTs are the most useful and artistically enabling feature in Unreal Engine - and they actually IMPROVE performance!
Alas, they have fallen to the wayside in the current landscape of Unreal Engine development because there are new and shiny features being pushed instead.

I hope that by making this video and showing you how simple they are to use, there might be some much-needed love put into the RVT system (before I just do it myself lmao) because RVTs enable the creation of the most beautiful and immersive worlds in UE5.

In this short guide, we cover what RVTs are and what they're useful for, what NOT to use them for, how to keep them performant, and some out-of-the-box ideas on how they can be utilized.

Chapters:

00:00 Intro
05:40 Drawing to RVTs
10:51 Do Do's and Do Not Do's
13:56 RVT Update Cost and Causes
19:34 RVT Limitations
28:00 Landscape Blending
39:45 Performance gains (VertInterp)
43:08 RVT "Switch" Node
45:48 Using Multiple Height RVTs
48:14 RVT Stamps, Write Order, Default Colours
53:58 RVTs in Niagara Particles
59:51 Performance Considerations and future development of RVTs
1:10:55 RVTz NUTz

Also, it's good to be back from my break! :)

----------------------------
Buy my Prismatiscape Interaction Plugin for $34.99!
UE Marketplace: https://www.unrealengine.com/marketpl...
Gumroad: https://prismaticadev.gumroad.com/l/a...

-----------------------------
Patreon:   / prismaticadev  
Twitch:   / prismaticadev  
Discord:   / discord  
YouTube:    / prismaticadev  
Twitter:   / prismaticadev  

----------------------------
Computer Specs:
Ryzen 5900x 12-core CPU
MSI Geforce RTX 2080 Super
64GB Corsair RAM
One of those fancy nvme m.2 SSD's

Programs of choice:
Unreal Engine - (Game Dev)
Blender - (Animation and Modelling)
OBS - (Video/screen capture)
Davinci Resolve - (Video editing)
Affinity Photo - (Graphics and Texturing)
ProTools 11 - (Compositions and mixing)
OldSchool Runescape - (The best game)

Filmed using:
Sony A7s2 body
Sony 24-70mm f/2.8 GM lens
Yonguo YN360 LED's for colour
Yongnuo YN760 chip LED w/ Godox softbox for key

My lovely cats names are Boycat, Girlcat, Ladycat and Mistercat :)