Unbaked Dynamic Paint Not Displayed in Rendered Output but Shows in Viewport #59997
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Reference: blender/blender#59997
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System Information
Operating system: Manjaro 18.0.1 Illyria / x86_64 Linux 4.14.90-1-MANJARO
Graphics card: Nvidia 1080 Ti
Blender Version
Broken: 2.80 (sub 39), Commit date: 2018-12-29 18:10, Hash
266b1e2cdb
Worked: 2.79 (sub 6), Commit date: 2018-10-22 16:17, Hash
86dbbd156f
Short description of error
Unless baked, dynamic paint does not affect the final rendered image but is properly displayed in viewport.
The default and expected behavior is to be able to render the effect regardless if baked or not. This is how 2.7x operated in the past.
Moreover this problem, which I assume has something to do with vertex colors [has caused other issues ]] with different [ https:*github.com/hsab/tensionmap | addons that depend on similar workflows of modifying the vertex color using the python API (eg. proximity, stress mapping etc.)
Not sure if #51214 is related since it's from April 2017. If so please close as a duplicate.
Exact steps for others to reproduce the error
Two blend files attached, one for 2.8 and one for 2.79.
2.79 file works as expected.
2.8 file is broken unless baked.
2.79.6 Render:
2.80.0 render:
dynamicpaint2.8.blend
dynamicpaint2.79.blend
Added subscriber: @knusk
#61574 was marked as duplicate of this issue
Added subscriber: @ZedDB
I can reproduce this. But I think this is related to #59939 as it renders correctly IF you simply do not render out as animation (IE you render out a still frame).
Correct, rendering stills produces valid results. It is animation rendering that fails to deliver the expected paintmap. I thought #51214 was related to animation rendering, but seems like it was for stills. #59939 seems to be for movie editor and compositing and I'm not sure how it relates since I'm unfamiliar with the C code.
However I experience the same exact behavior when manipulating vertex colors using the Python API, particularly on meshes with modifiers. It'd be worthwhile to have a look at this as it is a more thorough report. Nonetheless, there's definitely an issue with non-static vertex colors and animation rendering.
Added subscriber: @IlidioFernandesdosReisJorge
Added subscribers: @fclem, @Sergey
It works in LookDev mode.
@fclem, not sure if that's by design or some issue is involved?
Eeeh, replied to the wrong task.
@fclem, ignore this one! Will be another one!
Removed subscriber: @fclem
Added subscriber: @MichelAnders
Added subscriber: @Jeroen-Bakker
No active development is done to Dynamic Painting so marking this issue as known issue.