Cycles video texture bug (fixed in 2.90 beta and 2.91 alpha -- 2.83 LTS issue) #79952

Closed
opened 2020-08-20 14:52:20 +02:00 by Konstantin Riganov · 17 comments

System Information
Operating system: Windows 10
Graphics card: 2080ti

Blender Version
Broken: 2.83.5, 2.90, e-cycles builds (newer than 2.83.4)
Worked: 2.83.4

Short description of error
In the versions newer, than 2.83.4 Cycles not rendering any video textures (both *.mov and images sequences), it always first frame instead, while Eevee and material preview works flawless and renders animation.
In the 2.83.4 - cycles works correctly.

Exact steps for others to reproduce the error
I put any video-textrure into object, try to render in eevee - anything okay. trying render Cycles - got only first frame from video sequence in whole animation render.
Based on the default startup or an attached .blend file (as simple as possible).cycles_bug.blend

**System Information** Operating system: Windows 10 Graphics card: 2080ti **Blender Version** Broken: 2.83.5, 2.90, e-cycles builds (newer than 2.83.4) Worked: 2.83.4 **Short description of error** In the versions newer, than 2.83.4 Cycles not rendering any video textures (both *.mov and images sequences), it always first frame instead, while Eevee and material preview works flawless and renders animation. In the 2.83.4 - cycles works correctly. **Exact steps for others to reproduce the error** I put any video-textrure into object, try to render in eevee - anything okay. trying render Cycles - got only first frame from video sequence in whole animation render. Based on the default startup or an attached .blend file (as simple as possible).[cycles_bug.blend](https://archive.blender.org/developer/F8796681/cycles_bug.blend)

Added subscriber: @kriganov

Added subscriber: @kriganov

#80119 was marked as duplicate of this issue

#80119 was marked as duplicate of this issue

#79997 was marked as duplicate of this issue

#79997 was marked as duplicate of this issue
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Added subscriber: @lichtwerk

Added subscriber: @lichtwerk
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
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This is fixed in 2.90 beta and 2.91 alpha by cab9673bed.
(cannot tell which version e-cycles uses)

But I can confirm that this is apparently bugged in 2.83.5 (while 2.83.4 was OK) :/
This is strange, because the commit that caused the bug (c7aa0f9d74) does not seem to be in the 2.83 LTS branch?
Will check.

This is fixed in 2.90 beta and 2.91 alpha by cab9673bed. (cannot tell which version e-cycles uses) But I can confirm that this is apparently bugged in 2.83.5 (while 2.83.4 was OK) :/ This is strange, because the commit that caused the bug (c7aa0f9d74) does not seem to be in the 2.83 LTS branch? Will check.
Philipp Oeser changed title from Cycles video texture bug to Cycles video texture bug (fixed in 2.90 beta and 2.91 alpha -- 2.83 LTS issue) 2020-08-20 15:42:49 +02:00
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Added subscriber: @Jeroen-Bakker

Added subscriber: @Jeroen-Bakker
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@lichtwerk that one was backported a71490c4b2

@lichtwerk that one was backported a71490c4b2
Jeroen Bakker was assigned by Philipp Oeser 2020-08-20 15:48:09 +02:00
Member

OK, a71490c4b2 went into 2.83.5....

@Jeroen-Bakker: LTS then needs cab9673bed as well

OK, a71490c4b2 went into 2.83.5.... @Jeroen-Bakker: LTS then needs cab9673bed as well
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Added subscriber: @ErvinWeber

Added subscriber: @ErvinWeber

Added subscriber: @dfelinto

Added subscriber: @dfelinto

@atmind once you are done adding the commit to the LTS table, could you close this as resolved? Technically we are not to keep bugs that are fixed in master open. (and of course we can discuss other ways of tackling this if you have other suggestions)

@atmind once you are done adding the commit to the LTS table, could you close this as resolved? Technically we are not to keep bugs that are fixed in master open. (and of course we can discuss other ways of tackling this if you have other suggestions)
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Added subscriber: @michaeldejong

Added subscriber: @michaeldejong
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Added subscriber: @EAW

Added subscriber: @EAW
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@michaeldejong This should be fixed in the next 2.83.6 LTS release. Until then, you can download the previous LTS version 2.83.4 from the link below as a work around.
https://download.blender.org/release/Blender2.83/

@michaeldejong This should be fixed in the next 2.83.6 LTS release. Until then, you can download the previous LTS version 2.83.4 from the link below as a work around. https://download.blender.org/release/Blender2.83/
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Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
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Added to #77348

Added to #77348
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Reference: blender/blender#79952
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