GPU Lightmass Quixel Assets Render Black

[K4RKULK4 (David Smith)]

Hi guys,

I have a question regarding light map baking using GPU Lightmass.

For the majority of my scene, even while using Nanite, I get a perfect bake.

But for all of my landscape 3D assets from Quixel, which I used to build up the ground in my project, come out as black!

Nanite ON/OFF makes no difference.

I have tried using “Force No Precomputed Lighting”, getting rid of all lightmaps, disabling Virtual Textures and rebaking.

All lights set to static.

Before bake:

After bake:

Lightmass settings:

GPU Lightmass settings (usually use Full Bake):

Mesh settings:

I have spent days trying to figure this out so ANY help is super duper welcome!

Thanks!

[K4RKULK4 (David Smith)]

Bump

[DoubleElephantDE]

I’m getting the same problem, the sandstone cliff bakes fine but anything Nordic is black

[K4RKULK4 (David Smith)]

Oh boy, do I have some great news for you! I figured out a way to fix this issue.

You simply need to open the Quixel asset material, navigate to the Parent material.

Mine is called M_MS_Default_Fuzz_Material. Inside of it you will find a Constant 1 parameter which is set to 0. Set it to 1 and it should fix your issue

However, I have not been able to solve this for some other Quixel assets.

Nanite or not, I have been able to bake most objects. It seems to boil down to some settings in the materials.

That is, if you have done everything else correctly settings-wise and UV-wise.

Hope that helps you out!

[DoubleElephantDE]

Jesus Christ, no one ever replies here and not only did you reply but you’ve solved it!

You are a Legend, thank you

[K4RKULK4 (David Smith)]

No problem, dude!

I spent like four days trying to figure this out, nearly losing my mind.

So glad that we have a fix!

[DoubleElephantDE]

Thank you so much, I wonder why Megascans have that setting (AO) set to 0?