Unreal Engine 4.26 New GPU Lightmass Tutorial

😂 this is fucking Amazing

Really good an in-depth video on this feature!

This would been great to use, but when you do not have Ray Tracing, it is useless to use.

What's your setup when you recorded this?

It sucks that you cant use this with forward shading. It would be sooooo optimized if you could bake with raytracing and then play the game in foward shading.

Upgrade your GPU

with alt+0 you can check if the lightmapping resolution is correct before baking.

i stuck at 39% when i restart , my specs : i7 8700k and rtx 2080

There’s definitely a problem with Stationary Skylight :( I hope they’ll fix that and we’ll be able to use other mobility options for Skylight other than Static.

unreal engine 4.26.1 GPU lighting is completely instable..i return to 4.25 :(

Am I the only one that can't use GPU lightmass? Everytime i activate gpulightmass, raytracing, directx12 etc, everything completely crashes. Can't open up my projects.

I do this (enable RT on 2070 RTX, enabled RHI DX 12), enabled the plugin, but my "Build Lighting" button is still disabled.

This is amazing, thank you for sharing!

how to disable compiling shader or reduce time of that compiling shader ?

if possible do create a tutorial of gpu lightmass from scratch for 4.26 & thanks for this tutorial

Is it possible that the lightmass implementation prevents the Reflection Capture to work? I get that issue now. No reflection capture works on anything...
Do you encountered this problems? I work on 4.26.1 now.

so you didn't mention lightmass settings at all, and have no idea how to get rid of the artifacts? wow, this video is worthless.

So happy about GPU Lightmass! :D Thanks for the tutorial. Much appreciated!