Broken grid when setting low Unit Scale #63158

New Issue

mike t · 2019-03-31T18:25:58+02:00

mike t commented

2019-03-31 18:25:58 +02:00

System Information
Operating system: Debian Stretch
Graphics card: Intel Iris Pro Graphics (MacBook Pro Mid 2015)

Please note that it is apparently not specific to Debian Stretch as the issue does not appear on my other Stretch system.

Blender Version
Broken: 2.79b

I observe odd behaviour of the Blender's grid. When I set Unit Scale to something ~ below 0.1 the grid starts to behave in kind of a random way with different parts of it in different planes etc. When I move the view (holding mid mouse button) it shows up in different places, basically being broken in different ways in each frame.

See blender.stackexchange.com post where a screenshot of the issue is also attached:
https://blender.stackexchange.com/questions/135812/broken-grid-in-blender-when-setting-low-unit-scale

Exact steps for others to reproduce the error
Based on the default startup.
Change Unit Scale to a value below 0.1.
Observe broken grid

**System Information** Operating system: Debian Stretch Graphics card: Intel Iris Pro Graphics (MacBook Pro Mid 2015) Please note that it is apparently not specific to Debian Stretch as the issue does not appear on my other Stretch system. **Blender Version** Broken: 2.79b I observe odd behaviour of the Blender's grid. When I set Unit Scale to something ~ below 0.1 the grid starts to behave in kind of a random way with different parts of it in different planes etc. When I move the view (holding mid mouse button) it shows up in different places, basically being broken in different ways in each frame. See blender.stackexchange.com post where a screenshot of the issue is also attached: https://blender.stackexchange.com/questions/135812/broken-grid-in-blender-when-setting-low-unit-scale **Exact steps for others to reproduce the error** Based on the default startup. Change Unit Scale to a value below 0.1. Observe broken grid

mike t commented

2019-03-31 18:25:58 +02:00

Added subscriber: @forestmike

mike t commented

2019-03-31 18:26:51 +02:00

blender_grid_issue.mp4

![blender_broken_grid.png](https://archive.blender.org/developer/F6903825/blender_broken_grid.png) [blender_grid_issue.mp4](https://archive.blender.org/developer/F6903829/blender_grid_issue.mp4)

mike t commented

2019-03-31 18:33:37 +02:00

Same behaviour for both Debian package and Blender binary downloaded from the Blender site.

Sebastian Parborg commented

2019-03-31 21:31:03 +02:00

Added subscriber: @ZedDB

Sebastian Parborg commented

2019-03-31 21:31:03 +02:00

What it the output of glxinfo | grep OpenGL ?

What it the output of `glxinfo | grep OpenGL` ?

Brecht Van Lommel commented

2019-03-31 21:40:16 +02:00

Added subscriber: @brecht

Brecht Van Lommel commented

2019-03-31 21:40:16 +02:00

Please try the latest daily build, particularly 2.80:
https://builder.blender.org/download/

We are unlikely to fix such graphics issues in 2.79 anymore.

Please try the latest daily build, particularly 2.80: https://builder.blender.org/download/ We are unlikely to fix such graphics issues in 2.79 anymore.

mike t commented

2019-04-01 00:46:56 +02:00

Thanks Brecht, 2.80 is fine indeed.

Just in case, the glxinfo bit requested by Sebastian:

$ glxinfo | grep OpenGL
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile
OpenGL core profile version string: 3.3 (Core Profile) Mesa 13.0.6
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 13.0.6
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.1 Mesa 13.0.6
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10
OpenGL ES profile extensions:

Thanks Brecht, 2.80 is fine indeed. Just in case, the glxinfo bit requested by Sebastian: $ glxinfo | grep OpenGL OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) Haswell Mobile OpenGL core profile version string: 3.3 (Core Profile) Mesa 13.0.6 OpenGL core profile shading language version string: 3.30 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL core profile extensions: OpenGL version string: 3.0 Mesa 13.0.6 OpenGL shading language version string: 1.30 OpenGL context flags: (none) OpenGL extensions: OpenGL ES profile version string: OpenGL ES 3.1 Mesa 13.0.6 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10 OpenGL ES profile extensions:

Sebastian Parborg commented

2019-04-01 01:13:38 +02:00

Changed status from 'Open' to: 'Resolved'

Sebastian Parborg closed this issue

2019-04-01 01:13:38 +02:00

Sebastian Parborg self-assigned this 2019-04-01 01:13:38 +02:00

Sebastian Parborg commented

2019-04-01 01:13:38 +02:00

That mesa version is quite old, so it might be that this has been solved in newer mesa releases for your card.

However, as brecht pointed out, we will not fix 2.79 issues like these anymore. As you do not have this issue with 2.8, I'll close this as resolved.

That mesa version is quite old, so it might be that this has been solved in newer mesa releases for your card. However, as brecht pointed out, we will not fix 2.79 issues like these anymore. As you do not have this issue with 2.8, I'll close this as resolved.

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Broken grid when setting low Unit Scale #63158