"Jagged" display of grease pencil strokes on OSX AMD #49293

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opened 2016-09-08 11:07:17 +02:00 by Roel Koster · 5 comments
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System Information
iMac Retina 5K Late 2015

Blender Version
Broken: Daily and RC
Worked: -

Short description of error
(just started out with grease pencil so I have no previous performance data)
On OSX (AMD Radeon M395X 4096Mb) when drawing a grease pencil stroke and changing the thickness (line_change) to max, results in little square dropouts, which move when rotating the view.
jagged.avi (observe closely near 3D cursor)

I've checked several builds and other hardware. It seems it is typical for this hardware (iMac AMD graphics?) because my older mac (Nvidia) works fine with all the builds tested

Exact steps for others to reproduce the error

  • Borrow iMac 5K 27" ;-) and start Blender
  • Factory Settings
  • Hold D and draw a couple of strokes
  • Increase thickness to max Screen Shot 2016-09-08 at 10.53.40.png
  • Rotate View
  • Observe

Thanks for looking into it!
Regards,
Roel

**System Information** iMac Retina 5K Late 2015 **Blender Version** Broken: Daily and RC Worked: - **Short description of error** (just started out with grease pencil so I have no previous performance data) On OSX (AMD Radeon M395X 4096Mb) when drawing a grease pencil stroke and changing the thickness (line_change) to max, results in little square dropouts, which move when rotating the view. [jagged.avi](https://archive.blender.org/developer/F356020/jagged.avi) (observe closely near 3D cursor) I've checked several builds and other hardware. It seems it is typical for this hardware (iMac AMD graphics?) because my older mac (Nvidia) works fine with all the builds tested **Exact steps for others to reproduce the error** - Borrow iMac 5K 27" ;-) and start Blender - Factory Settings - Hold D and draw a couple of strokes - Increase thickness to max ![Screen Shot 2016-09-08 at 10.53.40.png](https://archive.blender.org/developer/F356024/Screen_Shot_2016-09-08_at_10.53.40.png) - Rotate View - Observe Thanks for looking into it! Regards, Roel
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Changed status to: 'Open'

Changed status to: 'Open'
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Added subscriber: @kostex

Added subscriber: @kostex

Added subscriber: @mont29

Added subscriber: @mont29

Changed status from 'Open' to: 'Archived'

Changed status from 'Open' to: 'Archived'
Bastien Montagne self-assigned this 2016-09-08 11:59:44 +02:00

Thanks for the report, but that’s nor a Blender bug, currently this known issue depends on GPU/drivers. We do not have much control on that result (in Blender 2.8 with more modern OGL we shall be able to fix that kind of glicthes).

Thanks for the report, but that’s nor a Blender bug, currently this known issue depends on GPU/drivers. We do not have much control on that result (in Blender 2.8 with more modern OGL we shall be able to fix that kind of glicthes).
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