Official Adaptive Probe Volumes (APVs) experimental release for HDRP in 2021.2

Bug most likely, 2021.2 is the most experimental for APV. Plus it's missing a lot of new features/improvements in 2021. You're better off with 2022.2, although still experimental it's more stable and usable.

Fully released/production ready in 2023.1 and after

 

Shame. 2022 didn't work for me sadly, I had bad regressions on the static shadows in all my scenes.

 

You mean static shadows as in cached or baked with APV? If the latter it could be due to the next "anti-leak" method APV uses, and although very cheap it's unfortunately not great and can sometimes cause artifacts/issues. You can try disabling it from the probe volume post process override. Set it to none. This will bring some light-leaking back though.

 

Is APV good in 2023.1? Light leaking fixed?

Though, they started survey about GI and APV in general https://unitysoftware.co1.qualtrics.com/jfe/form/SV_0St5qLDNFIGnK9U with ability to join some kind of conversation about APV

 

I have a question about the lighting scenarios.

We have a form of dynamic destruction in our game, is it possible to swap out light probes in a particular area in our world? With lighting scenarios we can switch *all* probes, but i am only interested in swapping probes around a particular object to another set.

*Edit: nevermind, it does seem like this is supported. https://docs.unity3d.com/Packages/c...-definition@16.0/manual/probevolumes-use.html

> You can use multiple Lighting Scenarios to store baking results for different Scene setups, and switch between them at runtime. For example, you can use one Lighting Scenario for when a lamp is off, and one for when it's on.

Its unclear to me how to do this though, when i search in the scripting API nothing comes up for lighting scenario

 

Thanks for your reply, am i misunderstanding this line of the documentation: you can use one Lighting Scenario for when a lamp is off, and one for when it's on.

I interpet this as, when there is a small light on a wall you can swap scenarios around that spotlight.

 

In the last part of this page https://docs.unity3d.com/Packages/c...-definition@16.0/manual/probevolumes-use.html
also mention door open and closed as an example, this could confuse people imo. Because for me , i will assume you can load/blend another light scenario for a specific room not global APV

 

Also quite interested about this, maybe a tiny hint: Is it going to be with completion of time of day and night sky for HDRP?

 

Hey guys,
Im trying out APV in 2023.1 in URP. the workflow is great, but im having some pretty bad quality issues. first of all, in the screenshots provided, you can see that on the roof of the room, the probe lighting is very noisy. secondly, the lighting of the wall behind the emmisive spheres is super blocky, as if its not interpolating the lighting of the probes properly. thirdly, you will notice the terrible noise the system introduces on the corners of the walls. are these issues with the beta release, or is this the quality we can expect without using lightmaps with APV?



EDIT: I was able to greatly increase the quality by increasing the probe sample multiplier to an unrealistic number (128 instead of the default 4). APV really needs a denoiser for the probes.

 

Can i ask a semi unrelated question?

I'm really interested in this GPU streaming, and id like to do this myself as well. Luckily HDRP is mostly on github, but the part of actually loading itself is not there. Is there any reason for this?

 

I'm also interested on this to be honest, can this feature to be considered in the future? ie replace/mixed an APV volume in a small area?

 

Thaaanks! i hope i can learn how to properly use APV with this video

 

In Unity version 2023.1.0, I set up a small scene to try out Probe Volume. The scene only contains one Baked point light source. After baking, there are many noise points (as shown in the picture). I want to know how to eliminate these small defects.

 

I'm having an issue where editor just quits after a long bake (editor crash log doesn't show anything). My setup consists of 50 huge scenes and alot of geometry, lights, baking them all together. This didn't happen before, but also the scenes became much larger so could be version independant. Also it first started while baking a second scenario, now also happens in a single scenario setup. I have 64gigs of ram, not sure if need more or it doesn't matter. Currently on 2023.1 beta.

 

Does anyone know if APV can be used in scenes without things marked as Static? We have large open scenes with terrain and a few buildings that require probes inside. However, because of the world size we use floating point origin shifting to move the world around at runtime.

 

Technically you can, but i don't think it currently support floating point origin shifting

 

on cpu, 99.99% of objects are marked to use APV, might have left a few unmarked. but thanks for the tip, will make sure everything is marked as APV.

 

Does anyone test APV in build?
I got an issue that the mixed point lights which used to bake APV GI will be disabled in build.
It run perfectly in Editor though.

I have to use an ugly workaround:
For the set of lights that is used to bake GI: after baking, hide them.
Duplicate them to make a new set of lights just for build. Those new ones work.
Unity 2022.2.16 HDRP

 

Truly a holy bible to fix light leaking issues, still sadly that cutting edge tech thingies and mostly ignored by community and showing little to no interest in terms of tutorials. ̶U̶n̶l̶i̶k̶e̶ ̶U̶n̶r̶e̶a̶l̶ ̶5̶ ̶t̶h̶a̶t̶ ̶g̶a̶t̶h̶e̶r̶i̶n̶g̶ ̶m̶i̶l̶l̶i̶o̶n̶s̶ ̶o̶f̶ ̶v̶i̶e̶w̶s̶ ̶s̶h̶o̶w̶i̶n̶g̶ ̶n̶e̶w̶ ̶t̶i̶n̶y̶ ̶f̶e̶a̶t̶u̶r̶e̶s̶.̶

 

true, that video and especially the part where he placing boxes to invalidate probes outside of building to fix light leaking for thin wall is essential knowledge to work with APV.

 

Reflection Probe has request baking API for when environment changed, do we have API for probes to update when we need in the same way?
Like for example when a house is destroyed by dragon attack?

 

thank you for the clarification! so it's only good for static gameplay.

Thank you for the clarification! So for destructive gameplay where we'll use RayFire then APV can't do much hmm. It's such a sad news since I like the beauty of APV very much.

 

why arent the probe volumes working on my car model(im using unity 2023.1.0b13 in urp)

 

how do i set it?

 

yeah, seems like non of the meshes are recieving lightning from probe volumes, how can i set 'em to do so?

 

go to your object/mesh in the hierarchy and set it to contribute lighting then set it to probe.

The options are lightmap and probe.

 

is there a way to do this for all prefabs and meshes in your scene in 1 go?

 

t:meshrenderer in the hierarchy search will only show meshes.
Then you can multiselect in the hierarchy to do it

 

Yellow means receiving but not contributing. If it is invisible on that screen then it is not receiving and contributing.

 

Looks like Skinned mesh renderers not shown on debug view, is that a know bug?

 

didnt work, i still get the same results

 

I get this error when doing a build on 2023.1.13 using APV: 'Lighting scenarios are not supported by this render pipeline.' I have a number of scenes, all Probe Volume settings are set to Single Scene mode. Seems to happen with one scene in particular, here is a screen shot of the settings, and the error in console.

 

I've use touch up volume to invalidate the inside and outside probes, but still get that wrong column of light.
It is the space between 2 walls.
From the debug view, the probes are invalidated correctly, but why it is still using outside light data?

 

Any news on this front?