Maniphest T76992

Regression: Viewport render recalculations when nothing changed in scene.
Closed, Duplicate

Assigned To
None
Authored By
Vyacheslav (hitrpr)
May 23 2020, 1:50 PM
Tags
  • BF Blender
Subscribers
Mikhail Shablin (shablin_m)
TheRedWaxPolice (TheRedWaxPolice)
Vyacheslav (hitrpr)
Yegor (Yegor)
Tokens
"Like" token, awarded by Yegor."Like" token, awarded by shablin_m."Like" token, awarded by stanpy.

Description

System Information
Operating system: Windows-7-6.1.7601-SP1 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.59

Blender Version
Broken: version: 2.90 (sub 2), branch: master, commit date: 2020-05-21 21:20, hash: rB8f21f867e715
Worked: 2.79

Short description of error
Viewport starts to rerender from scratch even after click, grouping nodes, adding reroutes etc.
Here is comparision and details.

Event Timeline

Vyacheslav (hitrpr) created this task.May 23 2020, 1:50 PM
TheRedWaxPolice (TheRedWaxPolice) added a subscriber: TheRedWaxPolice (TheRedWaxPolice).May 23 2020, 2:06 PM
Stanislav (stanpy) awarded a token.May 23 2020, 2:17 PM
Mikhail Shablin (shablin_m) awarded a token.May 23 2020, 2:23 PM
Mikhail Shablin (shablin_m) added a subscriber: Mikhail Shablin (shablin_m).
Vyacheslav (hitrpr) added a comment.May 23 2020, 2:53 PM

@TheRedWaxPolice (TheRedWaxPolice)
Yep, they didn`t fix it at 2.80+: there is also unnecessary calls when you add node) and it become worse now.
2.79 have only one case for unnecessary rerender. When reroute combines parallel routes.

Yegor (Yegor) added a subscriber: Yegor (Yegor).May 23 2020, 5:09 PM

Can confirm. 2.83 latest is also affected

Yegor (Yegor) awarded a token.May 23 2020, 5:11 PM
Alaska (Alaska) closed this task as a duplicate of T76970: Cycles viewport unneccessary update calls.May 24 2020, 1:07 AM