** Changed in: mir
Status: Fix Committed => Fix Released
** Also affects: mir (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1274359
Title:
Screen goes blank (black) briefly during display config changes which
don't affect the display mode
Status in Mir:
Fix Released
Status in mir package in Ubuntu:
New
Bug description:
The screen goes blank (black) briefly during display config changes,
on desktop (mesa platform). For mode changes I think this is expected,
but it also happens for non-mode changes like screen rotation and
probably repositioning.
TEST CASE:
1. Run mir_demo_server_shell
2. Start a client you can see on screen
3. Invoke a display config change with screen rotation: Ctrl+Alt+(arrow
key)
Expected: Instant rotation
Observed: Screen blanks briefly before rotating.
The blackness is very brief, but I think we can do better. By avoiding
unnecessary destruction and reconstruction of mesa::DisplayBuffer's
each time.
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