Incomplete Animation Rendering of MultiLayer EXR composition #93092

New Issue

Steffen Dünner · 2021-11-15T13:22:42+01:00

Steffen Dünner commented

2021-11-15 13:22:42 +01:00

System Information
Operating system: Linux-5.11.0-40-generic-x86_64-with-glibc2.31 64 Bits
Graphics card: NVIDIA GeForce RTX 2070 Super/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 495.29.05

Blender Version
Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-11-15 11:17, hash: c3472cb11c
Think 0c3b215e7d is the culprit.

Short description of error
I noticed that in my final comp render some elements were missing that clearly showed up during the comping / previewing phase while scrubbing the timeline.
It was quite hard to boil down a bare minimum repro scene so here it is:

Comp_Bug_v02.zip

Exact steps for others to reproduce the error

Unzip and open the attached blend file and change to a Compositing layout just in case it isn't automatically opened. The needed multilayer EXRs (rendered from Blender) should directly show up because I used relative paths.
It's a simple comp that first multiplies the Shadowcatcher pass over a mid grey and afterwards Alpha Overs some arrows coming from the same EXR on top. Nothing too fancy.
In a Viewer or Backdrop it should look like this:
If you now Render Animation (to an MP4in a comp subfolder next to the blend file) it looks like this:

The Arrows are missing.

If I now SHIFT+D the image sequence node, click on the "2" next to the file name to make it single user and use a separate Image Sequence node for each pass, it works like expected!

**System Information** Operating system: Linux-5.11.0-40-generic-x86_64-with-glibc2.31 64 Bits Graphics card: NVIDIA GeForce RTX 2070 Super/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 495.29.05 **Blender Version** Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-11-15 11:17, hash: `c3472cb11c` Think 0c3b215e7d is the culprit. **Short description of error** I noticed that in my final comp render some elements were missing that clearly showed up during the comping / previewing phase while scrubbing the timeline. It was quite hard to boil down a bare minimum repro scene so here it is: [Comp_Bug_v02.zip](https://archive.blender.org/developer/F11808917/Comp_Bug_v02.zip) **Exact steps for others to reproduce the error** - Unzip and open the attached blend file and change to a Compositing layout just in case it isn't automatically opened. The needed multilayer EXRs (rendered from Blender) should directly show up because I used relative paths. - It's a simple comp that first multiplies the Shadowcatcher pass over a mid grey and afterwards Alpha Overs some arrows coming from the same EXR on top. Nothing too fancy. - In a Viewer or Backdrop it should look like this: ![Comp_Bug_Viewer.925.png](https://archive.blender.org/developer/F11808970/Comp_Bug_Viewer.925.png) - If you now Render Animation (to an MP4in a comp subfolder next to the blend file) it looks like this: ![Comp_Bug_Render.925.png](https://archive.blender.org/developer/F11808978/Comp_Bug_Render.925.png) The Arrows are missing. If I now SHIFT+D the image sequence node, click on the "2" next to the file name to make it single user and use a separate Image Sequence node for each pass, it works like expected! ![image.png](https://archive.blender.org/developer/F11808985/image.png)

Steffen Dünner commented

2021-11-15 13:22:42 +01:00

Added subscriber: @SteffenD

blender-admin commented

2021-11-15 13:22:42 +01:00

#93127 was marked as duplicate of this issue

Sam Brubaker commented

2021-11-15 18:39:35 +01:00

Added subscriber: @rocketman

Sam Brubaker commented

2021-11-15 18:39:35 +01:00

I studied this for a bit and it looks as though all EXR layers fail to be refreshed when rendering an animation. It works in a still image but not in an animation. So this appears to be an EXR problem and not exactly a comp/viewer problem, but I can still confirm it!

Steffen Dünner commented

2021-11-16 09:04:50 +01:00

Thanks for investigating.
At first I thought it had something to do with the experimental "Full Frame Compositing", but it happens with "Tiled" as well.

Thanks for investigating. At first I thought it had something to do with the experimental "Full Frame Compositing", but it happens with "Tiled" as well.

Philipp Oeser commented

2021-11-19 17:10:37 +01:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2021-11-19 17:10:37 +01:00

Changed status from 'Needs Triage' to: 'Confirmed'

Philipp Oeser commented

2021-11-19 17:10:37 +01:00

Can confirm, will check.
Might have been caused by {a5b996df88}?

Can confirm, will check. Might have been caused by {a5b996df88}?

Philipp Oeser commented

2021-11-19 17:14:03 +01:00

Added subscriber: @Renderbicks

Philipp Oeser changed title from ~~Comp output looks different than in the Viewer preview~~ to Incomplete Animation Rendering of MultiLayer EXR composition

2021-11-19 17:14:45 +01:00

Evan Wilson commented

2021-11-19 17:19:42 +01:00

Added subscriber: @EAW

Evan Wilson commented

2021-11-19 17:19:42 +01:00

I was thinking, if this worked on Nov 1st and it is a recent regression, that it was caused by the changes to the image/movie cache Jacque did on Nov 2. On my phone, so I can’t check right now, sorry I haven’t gotten around to following up on the other mentioned report.

Philipp Oeser commented

2021-11-19 18:02:01 +01:00

Will already dare setting this to High prio so it does not slip through (although I havent had luck in bisecting this yet -- cannot repro in a debug build, will continue investigation on Monday)
In release builds, this seems to break between good 8d8ce64435 & bad c312c71969

Will already dare setting this to High prio so it does not slip through (although I havent had luck in bisecting this yet -- cannot repro in a debug build, will continue investigation on Monday) In release builds, this seems to break between good 8d8ce64435 & bad c312c71969

Philipp Oeser commented

2021-11-22 11:08:47 +01:00

Added subscriber: @JacquesLucke

Philipp Oeser commented

2021-11-22 11:08:47 +01:00

Bisecting is a bit foggy, think 0c3b215e7d is the culprit.

First this started crashing (esp. if you write to image sequences like .png, but also ffmpeg would crash) with above commit (0c3b215e7d})
This crash however was fixed with 45bd98d4cf, since then, output is like reported here.

CC @JacquesLucke

Bisecting is a bit foggy, think 0c3b215e7d is the culprit. First this started crashing (esp. if you write to image sequences like .png, but also ffmpeg would crash) with above commit (0c3b215e7d}) This crash however was fixed with 45bd98d4cf, since then, output is like reported here. CC @JacquesLucke

Jacques Lucke self-assigned this 2021-11-22 16:44:25 +01:00

blender-admin commented

2021-11-23 09:43:00 +01:00

This issue was referenced by b02ac2d8be

This issue was referenced by b02ac2d8be38d198edfece7347919d67f7cc7275

Jacques Lucke commented

2021-11-23 09:43:14 +01:00

Changed status from 'Confirmed' to: 'Resolved'

Jacques Lucke closed this issue

2021-11-23 09:43:14 +01:00

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Incomplete Animation Rendering of MultiLayer EXR composition #93092