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Point Density texture node has no effect (or known limitation not documented).
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System Information
Operating system: Linux-5.3.7-arch1-1-ARCH-x86_64-with-arch 64 Bits
Graphics card: Mesa DRI Intel(R) HD Graphics 620 (Kaby Lake GT2) Intel Open Source Technology Center 4.5 (Core Profile) Mesa 19.2.3

Blender Version
Broken: version: 2.80 (sub 75), branch: makepkg, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e

Short description of error
Using a simple set up of point density -> emission (or principled volume with color, emission, or density, doesn't matter) ->material (volume), the Point Density seems to have no effect on either the viewport display or rendering in EEVEE. Changing any of the settings does nothing. I suspect the problem lies with the Point Density node because it doesn't work with either an Emission -> Volume or Principled Volume -> Volume. And other Texture nodes do work such as noise, wave, etc.

Exact steps for others to reproduce the error
Default Scene. Either set up a basic particle system or use an object (I used an icosphere with a subdivision) and put a larger box around it. On the larger box open up the Shader Node Editor and set up a Point Density node and set the object to the emitter or icosphere (and particle system if you use that setting). Hook that up to an Emitter or Principled Volume, then connect that to the Volume node on the Material output. The box does not react to the object or emitter at all.



Event Timeline

Philipp Oeser (lichtwerk) lowered the priority of this task from Needs Triage by Developer to Normal.

Afaik, this is not supported in Eevee [correct me if I am wrong @Clément Foucault (fclem)]

However, this should be mentioned in the docs, no?

Philipp Oeser (lichtwerk) renamed this task from Point Density texture node has no effect. to Point Density texture node has no effect (or known limitation not documented)..Nov 14 2019, 3:53 PM

Okay, that's kinda what I figured, but I hadn't seen anything on that page you just now linked. Is there any plan to get it supported in Eevee, or is there something else I can do that will have a similar effect to halos/etc in Eevee?