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Old 07-12-2017, 11:26 AM
performlabrit performlabrit is offline
Join Date: Oct 2013
Posts: 77
Quad buffering not working after upgrade

I has been working for years, and after the upgrade was to Windows 10, no luck.

The setup involves a Quadro card for monitor 2 (the stereo display, and no others) and a radeon driving the desktop display (not stereo). This has worked in the past.

- The stereo display is at a resolution of 720p with a refresh of 120hz. This has worked in the past.

- 3D has been turned on for the stereo monitor in windows display settings.

- OpenGL and stereo have been turned on in the nVideo control panel.

The test program I'm using is pasted below.

import viz

global piazza
piazza = viz.add('piazza.osgb')

viz.setOption('viz.stereo', viz.QUAD_BUFFER)

Any advice?
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Old 07-17-2017, 09:11 AM
performlabrit performlabrit is offline
Join Date: Oct 2013
Posts: 77
Confirmed: Windows 10 current build breaks quad buffering

Just a heads up. Rolling back to Windows 7 fixed our problem. Drivers etc are the same, so I conclude that a recent Windows 10 update broke quad buffering in OpenGL. I could be wrong, but I'm confident enough to post that here.

Some supporting evidence:
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Old 07-18-2017, 07:19 AM
performlabrit performlabrit is offline
Join Date: Oct 2013
Posts: 77
one more thing...

In my original post, I forgot to say that I also made the stereo display the primary monitor. This does not fix the problem, but is essential for stereo rendering.
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