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Maniphest T47891

vertices and edges throw shadow in edit mode
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Description

System Information
Windows 10, NVIDIA GFORCE GTX 970

Blender Version
2.77

Short description of error
when blender render or blender game is set as renderer the vertices and edges in the viewport throw a shadow in edit mode when display mode "Material" is activated

Exact steps for others to reproduce the error

  1. set rendere to "Blender Render" or "Blender Game"
  2. add Mesh --> Monkey
  3. add a subsurf modifier to the Monkey
  4. set display mode to "Material"
  5. go into editmode and move some vertices around until you see a shadow on the faces of the Monkey

Bug.blend536 KBDownload

Revisions and Commits

rB Blender
rB81a477f4dc99 Fix T47891: Edges throw shadow in edit mode

Event Timeline

silas reschke (undertrox) created this task.Mar 22 2016, 7:10 PM
silas reschke (undertrox) raised the priority of this task from to 90.
silas reschke (undertrox) updated the task description. (Show Details)
silas reschke (undertrox) added a project: BF Blender.
silas reschke (undertrox) edited a custom field.
silas reschke (undertrox) added a subscriber: silas reschke (undertrox).
Vuk Gardašević (lijenstina) added a subscriber: Vuk Gardašević (lijenstina).Mar 23 2016, 3:48 PM

I can confirm the issue with the uploaded file.

AMD Athlon II X3 455, Radeon R7 360, Win 7 SP1.

Loaded factory settings, tested with Software rendering too. (OpenGl32.dll)

Vuk Gardašević (lijenstina) added a comment.Mar 23 2016, 4:08 PM

Sorry for the noise, forgot to mention the blender Builds. :(

Tested on:

version: 2.77 (sub 0), branch: master, commit date: 2016-03-18 06:50, hash: cc12fc1

version: 2.77 (sub 0), branch: master, commit date: 2016-03-22 17:47, hash: b0a7e77

perfection cat (sindra1961) added a subscriber: perfection cat (sindra1961).Mar 24 2016, 5:11 AM

ray shadow of the sun lamp seems to be reflected.

Alex (SpectreFirst) added a subscriber: Alex (SpectreFirst).Mar 24 2016, 8:54 AM

It looks like this issue is presented in 2.76 as well and it looks like that it isn't limited to object with Subdivision Surface: add a plane above the monkey (as a separate object), enter Edit Mode and delete the polygon so you will have only edges left. Move these edges around in Edit Mode and you will notice that edges drop shadow on a monkey. It is easily reproducible with just two planes or any other objects.
Looks like the key point here is that loose edges in Edit Mode drop shadow from the Sun lamp in Material 3D View mode.

Sergey Sharybin (sergey) lowered the priority of this task from 90 to 50.Mar 29 2016, 10:23 AM
Sergey Sharybin (sergey) added a subscriber: Mike Erwin (merwin).
Sergey Sharybin (sergey) added a subscriber: Sergey Sharybin (sergey).

@Mike Erwin (merwin), maybe it's something you can help us with? :)

Gwenael Le Page (gwentiv) added a subscriber: Gwenael Le Page (gwentiv).Apr 18 2016, 6:03 PM

Note that "Hidden Wire" in the "shading" tab of the 3D viewport properties works a charm: the shadows disappear :-)

Campbell Barton (campbellbarton) changed the task status from Unknown Status to Resolved by committing rB81a477f4dc99: Fix T47891: Edges throw shadow in edit mode.Apr 20 2016, 4:58 AM
Campbell Barton (campbellbarton) added a commit: rB81a477f4dc99: Fix T47891: Edges throw shadow in edit mode.