same here on both 17.04 and 16.04+overlay (intel and nvidia)
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Title:
Randomly corrupt characters in Unity8
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This is still happening in zesty (seen today in the Unity8 indicator
menu and logout dialog).
It looks like the text renderer might have mistaken buffer width for
buffer stride in some cases...?
** Changed in: canonical-devices-system-image
Importance: Undecided => High
** Changed in: canonic
Comments #11 and #12 are not this bug at all. I have hidden those now to
avoid confusion.
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Title:
Randomly corrupt characters in Unity8
To manag
Screenshot on comment 12 seems very close to behaviour in bug #1573959 ,
which is present only on Intel graphic cards. Could it be the same bug ?
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** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
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Title:
Randomly corrupt characters in Unity8
To man
Also worth noting, there are env vars:
QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH & HEIGHT to set the size of the glyph
cache. Need to see what size texture Qt is creating, perhaps it is creating one
too large for the hardware
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That would imply the distance field texture is corrupted.
As a note to myself, there is a nice glyph test application in this bug:
https://bugreports.qt.io/browse/QTBUG-49490
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https://bug
so question was asked from a previous dupe bug about repro steps.
afaict, there are no specific repro steps and the specific letters which
get corrupted seems random. But I've been using unity8 quite regularly,
and I've seen this several times so doesn't seem infrequent.
Might be worth noting that
If you can reproduce this relative easily, could you try setting
QML_USE_GLYPHCACHE_WORKAROUND=1 for unity8. This should do the trick:
stop unity8 && start unity8 QML_USE_GLYPHCACHE_WORKAROUND=1
Can also try these:
QSG_DISTANCEFIELD_ANTIALIASING=subpixel-lowq or gray
Need to determine if that te
** Tags added: unity8-desktop
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Title:
Randomly corrupt characters in Unity8
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: qtmir (Ubuntu)
Status: New => Confirmed
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Title:
Rand
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: unity8 (Ubuntu)
Status: New => Confirmed
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Title:
Ran
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-desktop (Ubuntu)
Status: New => Confirmed
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** Summary changed:
- Randomly corrupt characters in Unity8 window titlebars and logout dialog
+ Randomly corrupt characters in Unity8
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Title:
R
** Tags added: visual-quality
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Title:
Randomly corrupt characters in Unity8 window titlebars and logout
dialog
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