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Maniphest T90901

Weird edge lines in 3D Viewport (Edit Mode - Orthographic View)
Confirmed, NormalPublicBUG
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Description

System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 471.68

Blender Version
Broken: version: 2.93.3, branch: master, commit date: 2021-08-17 18:30, hash: rB8b80d19f3641
Worked: (newest version of Blender that worked as expected)

Short description of error
In Edit Mode when switching to Orthographic mode the edges sometimes look very thin, jaggy, disappearing in some place, dotted line style or just barely visible. Nothing changes when changing the distance to the object. Nothing changes if selecting Vertex select/Edge select/Face select. However, lines are visible with a very good (usual quality) in Orthographic view when switching to Object Mode and turning on Wireframe on shaded (Overlay dropdown). If Wireframe on shaded option is enabled the edges looks good even in Edit Mode in Orthographic view.

Exact steps for others to reproduce the error
I can't reproduce this error in another scene.

MAGPUL STR Carbine Stock 009.blend1 MBDownload

system-info.txt23 KBDownload

Revisions and Commits

rB Blender
Needs ReviewD12123 BLI: new 'projmat_depth_offset' utility

Related Objects

Event Timeline

Victor (ViC777) created this task.Aug 24 2021, 8:43 PM
Pratik Borhade (PratikPB2123) updated the task description. (Show Details)Aug 25 2021, 7:15 AM
Pratik Borhade (PratikPB2123) added a subscriber: Pratik Borhade (PratikPB2123).Aug 25 2021, 8:26 AM
Germano Cavalcante (mano-wii) changed the task status from Needs Triage to Confirmed.Feb 3 2022, 9:36 PM
Germano Cavalcante (mano-wii) changed the subtype of this task from "Report" to "Bug".
Germano Cavalcante (mano-wii) added a project: EEVEE & Viewport.
Germano Cavalcante (mano-wii) added a subscriber: Germano Cavalcante (mano-wii).

Revisiting some slightly older reports, I found this one.

This seems to happen in orthographic view when the clip_end is quite small.
I don't see why this can't be improved. We have patches that propose to improve this (I tried D12123 but it didn't change much).
Deserves an investigation, so I'm confirming the bug.

Germano Cavalcante (mano-wii) added a revision: D12123: BLI: new 'projmat_depth_offset' utility.Nov 9 2022, 4:02 PM