Maniphest T80803

Subdividing a Plane (to 32.768 tris) error
Closed, DuplicateBUG
Actions

Assigned To
Clément Foucault (fclem)
Authored By
Krzysztof Kowalczyk (2_K)
Sep 15 2020, 1:21 PM
Tags
  • BF Blender
  • EEVEE & Viewport
Subscribers
Jeroen Bakker (jbakker)
Krzysztof Kowalczyk (2_K)
Philipp Oeser (lichtwerk)

Description

System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: Quadro K2100M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 389.08

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-09-15 09:04, hash: rB60fee7832342
Worked: version: 2.90.0, branch: master, commit date: 2020-08-31 11:26, hash: rB0330d1af29c0
Caused by rB4ea93029c65f: GPUIndexBuf: GL backend Isolation

Short description of error
Subdividing a plane 7 times makes vertices/edges/faces disapear. Another subdivison makes them visible again.

Exact steps for others to reproduce the error

  1. Delete the default Cube;
  2. Add a Plane;
  3. Go to Edit Mode;
  4. Press 'W', choose Subdivide (with default values);
  5. Press 'Shift+R' 6 times - after seventh subdivision error appears;

Related Objects

Mentioned Here
rBcd849076d2bc: Fix T80681 Wireframe is not visible on square planes with 16384 quads
rB4ea93029c65f: GPUIndexBuf: GL backend Isolation

Event Timeline

Krzysztof Kowalczyk (2_K) created this task.Sep 15 2020, 1:21 PM
Philipp Oeser (lichtwerk) changed the task status from Needs Triage to Confirmed.Sep 16 2020, 12:08 PM
Philipp Oeser (lichtwerk) changed the subtype of this task from "Report" to "Bug".
Philipp Oeser (lichtwerk) added a project: EEVEE & Viewport.
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

Can confirm. This is a good one :)
Might have to do with the fact that resulting mesh has exactly 32.768 tris, will check on this.

Philipp Oeser (lichtwerk) claimed this task.Sep 16 2020, 12:15 PM
Philipp Oeser (lichtwerk) reassigned this task from Philipp Oeser (lichtwerk) to Clément Foucault (fclem).Sep 16 2020, 1:14 PM
Philipp Oeser (lichtwerk) triaged this task as High priority.

Caused by rB4ea93029c65f: GPUIndexBuf: GL backend Isolation

Philipp Oeser (lichtwerk) renamed this task from Subdividing a Plane error to Subdividing a Plane (to 32.768 tris) error.Sep 16 2020, 1:15 PM
Philipp Oeser (lichtwerk) updated the task description.
Jeroen Bakker (jbakker) added a subscriber: Jeroen Bakker (jbakker).EditedSep 16 2020, 1:50 PM

This fix might be related rBcd849076d2bc: Fix T80681 Wireframe is not visible on square planes with 16384 quads Keeping it for reference.

Philipp Oeser (lichtwerk) added a comment.Sep 16 2020, 3:09 PM
In T80803#1016862, @Jeroen Bakker (jbakker) wrote:

This fix might be related rBcd849076d2bc: Fix T80681 Wireframe is not visible on square planes with 16384 quads Keeping it for reference.

That fix is actually the fix for this report as well.
(For some reason, I was on a different - not 'up-to-date' - version)

Sorry for the noise!

Philipp Oeser (lichtwerk) closed this task as a duplicate of T80681: Wireframe is not visible on square planes with 16384 quads.Sep 16 2020, 3:10 PM