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Maniphest T71552

Material view and Eevee Rendered View display glitch when scene contains hair particle systems with high amount of instances
Open, Confirmed, MediumPublic
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Description

System Information
Operating system: Ubuntu 18.04.3
Graphics card: AMD RX 580

Blender Version
Broken: 2.81 125257758007
Worked: 2.80.75

Short description of error


American Beech.blend60 MBDownload

This glitched viewport happens if you append the tree object in a new project in 2.81.

Exact steps for others to reproduce the error
The glitch happens only if you never go in material or rendered modes before appending the object.
So, open Blender 2.81, let everything as it is by default, click on File > Append and append the "American Beech" and "Leaves American Beech" objects.
Switch to material preview or rendered.... the tree is glitchy.
But, if before appending the object, you switch to material preview or rendered mode and then append the two objects then you will see it textured correctly.

Details

Type
Bug

Related Objects

Event Timeline

Philipp Oeser (lichtwerk) lowered the priority of this task from Needs Triage by Developer to Confirmed, Medium.Thu, Nov 14, 6:42 PM
Philipp Oeser (lichtwerk) added a project: GPU / Viewport.
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

Can confirm.

Interestingly I can get around the glitch if I reduce the Leaves American Beech objects leaf particle system hair count to 772 or lower [carefully bisected this :) -- 773, and you have the glitch...]

System Information
Operating system: Linux-5.3.7-200.fc30.x86_64-x86_64-with-fedora-30-Thirty 64 Bits
Graphics card: GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 435.21

Blender Version
Broken: version: 2.82 (sub 1), branch: master, commit date: 2019-11-14 09:44, hash: rB8ff9eb97fb7c