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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
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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.

Related Objects

Event Timeline

Marco (nacioss) created this task.Nov 13 2019, 7:19 PM
Philipp Oeser (lichtwerk) lowered the priority of this task from 90 to 50.Nov 14 2019, 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

Philipp Oeser (lichtwerk) renamed this task from Appending glitch to Material view and Eevee Rendered View display glitch when scene contains hair particle systems with high amount of instances.Dec 3 2019, 10:25 AM
Philipp Oeser (lichtwerk) mentioned this in T72110: Material view and Eevee Rendered View displaying as pure white when scene contains hair particle systems.
Philipp Oeser (lichtwerk) merged a task: T72110: Material view and Eevee Rendered View displaying as pure white when scene contains hair particle systems.
Philipp Oeser (lichtwerk) added a subscriber: MrP (mrpendulum).
Dalai Felinto (dfelinto) added a project: Tracker Curfew.Dec 23 2019, 1:43 PM
Dima Kon (dimonxta) added a subscriber: Dima Kon (dimonxta).Jan 12 2020, 7:52 PM

Happens to us also in EEVEE, can not render few projects because of that : (
If there is a lot of objects in scene, shaders not fully update, till you click somewere or change frame.
It renders black and white images on batch render (renderfarm)
(tried latest builds, issue still exist starting from 2.81 till today)

Clément Foucault (fclem) claimed this task.Jan 16 2020, 3:49 PM
Clément Foucault (fclem) changed the subtype of this task from "Report" to "Bug".
Clément Foucault (fclem) removed a project: Tracker Curfew.
Philipp Oeser (lichtwerk) mentioned this in T76718: Eevee renders completely white (overbright) viewport on file open..May 13 2020, 2:03 PM
Clément Foucault (fclem) mentioned this in D7642: EEVEE: Refactor of eevee_material.c.May 14 2020, 5:16 PM
Clément Foucault (fclem) closed this task as a duplicate of T74302: EEVEE scene with many instances opens with huge white glare, or black materials.May 25 2020, 4:30 PM
Philipp Oeser (lichtwerk) mentioned this in T77851: black and white textures eevee and cycle.Jun 15 2020, 1:03 PM
Clément Foucault (fclem) edited projects, added EEVEE & Viewport; removed GPU / Viewport.Jun 19 2020, 11:04 PM