PhotonGI cache
Re: PhotonGI cache
Wonderfull ! this is going to be a great tools inside good hands
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Re: PhotonGI cache
Sorry but this looks looks a cheap photon mapper from ten years ago, those were fast and blurry too.Dade wrote: ↑Wed Feb 20, 2019 4:53 pm I have introduced a new stage in PhotonGI caustic cache pre-processing. It merges near photons coming from the same directions. This allows to greatly reduce the number of clustered/overlapped entries in the cache and to greatly improve the rendering speed (especially for larger radius).
So it is 5 times faster. It is a bit a trade off between caustic sharpness/pointiness and blurring but I prefer the second and the 5x speed increase is worth it.
For a comparison, this is BiDir+Metropolis:
The caustic is sharper but look how much better is the PhotonGI rendered cube with SDS paths (something plain BiDir can not render).
The mismatch between the sharp SDS reflections and the mushy caustics is striking.
Please avoid compromising core features like caustic sharpness or the result will be unusable for serious work.
The goal should be correct caustics plus SDS paths, speed is of lesser concern.
This may work well for scenes where caustics are not a main effect like a table with dishes and glasses where you expect some caustics but accuracy is not primarily relevant.
- alpistinho
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Re: PhotonGI cache
There is a parameter for this merging, so I guess you can just disable it if you want
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Re: PhotonGI cache
Ok thanks, will wait now till it gets exposed in Blendcore.
I'm really losing track of new parameters introduced, introduced ones exposed, exposed ones made obsolete by new version etc...
I'm really losing track of new parameters introduced, introduced ones exposed, exposed ones made obsolete by new version etc...
- alpistinho
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Re: PhotonGI cache
It's a pre-alpha version after all
Re: PhotonGI cache
Now such kind of visual effect are accessible to the Masses.
The third and the seventh :
https://youtu.be/AQ-3aRhvFwU?t=604
The third and the seventh :
https://youtu.be/AQ-3aRhvFwU?t=604
Re: PhotonGI cache
Hi,
I did some test on a scene I did with Cycles some weeks ago.
Now I'd like to test with the latest daily build.
Some input info. Sun % Sky setting Luminous ceiling material Floor material And now a quick recap of my tests There some issues as marked.
The most visible is the glossy floor when you try to use it for caching and use larger usage threshold.
Something to suggest?
I did some test on a scene I did with Cycles some weeks ago.
Now I'd like to test with the latest daily build.
Some input info. Sun % Sky setting Luminous ceiling material Floor material And now a quick recap of my tests There some issues as marked.
The most visible is the glossy floor when you try to use it for caching and use larger usage threshold.
Something to suggest?
Re: PhotonGI cache
It is this bug:
See the border on the glossy material ? I have the felling it is due to cached paths not including the light emission, I'm looking into the problem.
Re: PhotonGI cache
so apparently, bump mapping is still killing cache for me.
EDIT: I'm actually not sure if it's bump or something else, but I couldn't figure out what is going on... everything is mostly black
EDIT: I'm actually not sure if it's bump or something else, but I couldn't figure out what is going on... everything is mostly black