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[Octave-bug-tracker] [bug #55224] antialiasing not enabled on multiple M
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From: |
Mike Miller |
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Subject: |
[Octave-bug-tracker] [bug #55224] antialiasing not enabled on multiple Mesa drivers |
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Date: |
Fri, 21 Dec 2018 17:10:49 -0500 (EST) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36 |
Update of bug #55224 (project octave):
Status: None => Need Info
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Follow-up Comment #1:
Thank you for your bug report. I don't have much insight into the graphical
portions of Octave, but from what I understand there is no internal driver
blacklist.
It appears to me that Octave tries to detect if the OpenGL context supports
multisample anti-aliasing and enable it. If not, disable it and fall back to
old GL_LINE_SMOOTH anti-aliasing, which may not be supported in modern
graphics drivers. This feature test may not be working. For example on my
Intel integrated graphics I see that Octave is calling
glDisable(GL_MULTISAMPLE).
Do you understand the code better than I do? Can you suggest any changes that
might help this situation?
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