Ultra Engine -The program crashes while creating global illumination(beta version)

[WuotanStudios]

I tried to use a probe in my Dungeon Level ( example video made in godot : X.XOM RIAD example video in Godot

)

I imported the Level as glb model and made it to a mdl -> dragged and dropped the mdl into the Level.
I placed the probe and hit "baking global illumination"  -> this ends in a software crash without any error, after around a half minute of loading.
The Textures used on this model are in 2k resolution, if that info matters.

[Josh]

Can you upload the model and map files please, so I can try it out?

[WuotanStudios]

The File Size as Project / Map is 160MB.
Updload won't work here.

But i can upload the mdl file with 68MB.
Simply start a new project, drag and drop the dungeon_design_1.mdl 

Place the Probe there and try to bake.... in my case Leadwerks shuts down after a few secs every time i try it.

RIAD.zip

[Josh]

I extract the model to Models/RIAD/dungeon_design_1.mdl, created a probe, and built global illumination. No error occured.

It would be helpful if I could see your scene file and all files it uses. Otherwise there isn't anything I can test.

I increased the single-file upload size limit to 200 MB.

[WuotanStudios]

same setup here:
i started an empty new c++ project. no other files or objects, only that model and the probe -> baking = crash

i've recorded it this time, see attached file
As soon as i try to bake, crash , ultra editor closes (the moment the video turns black)

my machine specs: 
windows 11,
AMD Ryzen 5 7600X,
64GB RAM,
NVIDIA RTX 3060

 

2025-07-12 11-09-35.zip

[WuotanStudios]

Made another test:

i simply made a new project and used your original horror fps template -> hit bake -> crash

So it has nothing to do with my 3d model, it is a general issue on my machine.

[Dreikblack]

Maybe it's related to hardware? AMD Graphics card? Driver version?

[WuotanStudios]

i have an NVIDIA card.
Drivers are up to date.
I will test it later on my laptop, which has also NVIDIA , but the RTX4070.
Lets see if it works there.

[Josh]

Sorry you are having a problem. That definitely should not happen.

One question, in Tools > Options > Video, what is your Shadow quality setting set to?

[WuotanStudios]

On my laptop it works, no crash.

@Joshh i will look into it as soon as i am back on my desktop pc.

[WuotanStudios]

So i am back on my desktop PC with the NVIDIA 3060

Shadow quality = 100%

Meanwhile i've reinstalled the nvidia driver, and ultraengine too
but nothing helped -> still same issue, even i make a minimalistic scene with just a box, a light and the probe.

i have no clue why it happens on this computer.

[Josh]

Maybe I can pick up a GEForce 3060 soon! What is the maker of the card? ASUS, Gigabyte, MSI, etc?

[WuotanStudios]

Gigabyte in my case, it is the Gigabyte RTX360 12GB variation

[WuotanStudios]

Before you buy a RTX3060, my son also has one in his computer.
I will test it on his computer too. 
Lets see if it is really something the RTX3060 causes.
My gut tells me it is something else

[WuotanStudios]

sorry, can't test it on my sons computer -> i can't share software through steam.
I won't buy another license for testing, sorry.

[vinurd2]

The crash occurs after adding PROBE, as soon as I launch build global illumination

as soon as I launch build global illumination

CPU type OctalCore Intel Core i9-9900K, 4700 MHz
System board Gigabyte Z390 Aorus Pro WiFi (3 PCI-E x1, 3 PCI-E x16, 2 M.2, 4 DDR4 DIMM, Audio, Video, Gigabit LAN, WiFi)
System memory 32000 MB (DDR4 SDRAM)
Video adapter NVIDIA GeForce RTX 3070
Operating system Microsoft Windows 10 Pro

[Josh]

Maybe related:

 

[vinurd2]

3 hours ago, Josh said:

Это происходит только в бета-версии? А в ветке по умолчанию такого нет?

Возможно, это связано:

 

I removed the model from the scene, there are only cubes and light. The problem is in the PROBE

rolled back the version to standard - same crash

I also made a new project. Added PROBE/ and still crashed. Here the problem is baking global lighting, since the program suddenly stops working, it means that it already gets a conflict at the start.

[Josh]

Merging these threads, since they seem to report the same thing, one with a GEForce 3060 and one with a 3070.

[vinurd2]

I downloaded the demo of leadwerks/ initially, all the lighting worked immediately there, that is, live light, shadow light, everything worked without probe / but I added it, he compiled the shader, nothing much changed/

in the ultra engine, I noticed there is no separate sun, this is now an environment setting. Therefore, the types of lighting are different in the engines.

and as I understand it, the lighting in the demo does not work for me as it does for you in the video.

[Josh]

Lighting in Leadwerks 4 is very different from the latest engine.

[vinurd2]

I suspect that your reflections from objects don't work with RTX. Therefore, there are no reflections from puddles in the techno demo. PBRs look lackluster.

[Josh]

Leadwerks 4 does not support PBR at all.

[vinurd2]

5 minutes ago, Josh said:

Leadwerks 4 does not support PBR at all.

I'm talking about ULTRA now.

[Josh]

23 minutes ago, vinurd2 said:

I'm talking about ULTRA now.

No, we use a combination of precomputed and dynamic lighting, along with optional screen-space reflections. We do not use ray tracing because the performance cost is too high on most hardware today.