Ambiant Occlusion - Little circle in orthographic view #44146

Closed
opened 2015-03-26 19:52:21 +01:00 by Alexey Khoral · 14 comments

System Information
Ubuntu 14.04 x64, core i5 750, Nvidia GTX 260, driver 340.76(has bug), Windows 8.1 intel atom 3735F, Intel graphics (work correct)
Blender Version
Broken: 2.74 RC3 8804e64, RC2, RC1 - x64-x86
Worked: 2.73 bbf09d9

Short description of error
Little circle in viewport when camera settings selected a orthographic view. Circle not see on render only in viewport.
Exact steps for others to reproduce the error

  1. Default scene.
  2. View -> Camera
  3. Camera settings: orthographic
    Circle is a camera center dot in a camera icon(when you see a camera in viewport). See screenshots.
    I can't reproduce on notebook with windows 8.1 and other old PC with debian.
    0.png
    0_AO.png
    0_cam.png
**System Information** Ubuntu 14.04 x64, core i5 750, Nvidia GTX 260, driver 340.76(has bug), Windows 8.1 intel atom 3735F, Intel graphics (work correct) **Blender Version** Broken: 2.74 RC3 8804e64, RC2, RC1 - x64-x86 Worked: 2.73 bbf09d9 **Short description of error** Little circle in viewport when camera settings selected a orthographic view. Circle not see on render only in viewport. **Exact steps for others to reproduce the error** 1) Default scene. 2) View -> Camera 3) Camera settings: orthographic Circle is a camera center dot in a camera icon(when you see a camera in viewport). See screenshots. I can't reproduce on notebook with windows 8.1 and other old PC with debian. ![0.png](https://archive.blender.org/developer/F155302/0.png) ![0_AO.png](https://archive.blender.org/developer/F155304/0_AO.png) ![0_cam.png](https://archive.blender.org/developer/F155307/0_cam.png)
Author

Changed status to: 'Open'

Changed status to: 'Open'
Author

Added subscriber: @allkhor

Added subscriber: @allkhor
Author

Windows 7 x64 has not reproduced, maybe a ubuntu|hardware specific glitch...

Windows 7 x64 has not reproduced, maybe a ubuntu|hardware specific glitch...
Antonis Ryakiotakis was assigned by Bastien Montagne 2015-03-27 11:53:10 +01:00

Added subscriber: @mont29

Added subscriber: @mont29

This si more than likely a driver issue, yes. Please try to start in software OpenGL mode (use the blender-softwaregl distributed with official blender, will be slow, but will show whether this is a driver issue or not).

Antony, assigning to you, since you are our viewport OGL master (and issue is related to ambiant occlusion it seems). :)

This si more than likely a driver issue, yes. Please try to start in software OpenGL mode (use the `blender-softwaregl` distributed with official blender, will be slow, but will show whether this is a driver issue or not). Antony, assigning to you, since you are our viewport OGL master (and issue is related to ambiant occlusion it seems). :)
Bastien Montagne changed title from Little circle in orthographic view to Ambiant Occlusion - Little circle in orthographic view 2015-03-27 11:53:44 +01:00

I'm not sure what I'm seeing. First of all manipulator is messed up. This really does look like a linux bug. Are you using the NVIDIA driver? What does your System_Info.txt file report? @mont29 we really need to add instructions for system_info.txt in the template at some point.

I'm not sure what I'm seeing. First of all manipulator is messed up. This really does look like a linux bug. Are you using the NVIDIA driver? What does your System_Info.txt file report? @mont29 we really need to add instructions for system_info.txt in the template at some point.

Alright, I can see how manipulator is different in ortho mode now. But this really does look like a driver issue.

Alright, I can see how manipulator is different in ortho mode now. But this really does look like a driver issue.
Author

With blender-softwaregl all ok. Ambient oclusion was been enabled to show a circle position.
Two screenshots with one scenes, blender version 2.73(no glitch) & 2.74(bug present).
2.73.png
2.74.png
system-info.txt

With blender-softwaregl all ok. Ambient oclusion was been enabled to show a circle position. Two screenshots with one scenes, blender version 2.73(no glitch) & 2.74(bug present). ![2.73.png](https://archive.blender.org/developer/F155591/2.73.png) ![2.74.png](https://archive.blender.org/developer/F155593/2.74.png) [system-info.txt](https://archive.blender.org/developer/F155588/system-info.txt)
Author

The circle visible, only if camera selected, because it part of camera.

The circle visible, only if camera selected, because it part of camera.

Can you try with factory settings and see if the issue persists?

Can you try with factory settings and see if the issue persists?
Author

I deleted ~/.config/blender/2.74, this resets to default settings, and the issue persist. Tested on Blender 2.74 RC4, bug still here.

I deleted ~/.config/blender/2.74, this resets to default settings, and the issue persist. Tested on Blender 2.74 RC4, bug still here.
Author

Some video for more understanding what's happening.
blender.webm

Some video for more understanding what's happening. [blender.webm](https://archive.blender.org/developer/F156863/blender.webm)

Changed status from 'Open' to: 'Archived'

Changed status from 'Open' to: 'Archived'

Looks driver specific and it doesn't crash, will archive for now.

Looks driver specific and it doesn't crash, will archive for now.
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Reference: blender/blender#44146
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