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[Bug 1379685] Re: Full screen (bypassed) surfaces (e.g. GLMark2Test) are missing frames and appear to freeze or judder with swap interval 0

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>
Date: Fri, 09 Jan 2015 02:49:46 -0000
Reply-to: Bug 1379685 <1379685@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

mir (0.10.0+15.04.20150107.2-0ubuntu1) vivid; urgency=medium


** Also affects: mir (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: mir (Ubuntu)
   Importance: Undecided => Medium

** Changed in: mir (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1379685

Title:
  Full screen (bypassed) surfaces (e.g. GLMark2Test) are missing frames
  and appear to freeze or judder with swap interval 0

Status in Mir:
  Fix Released
Status in mir package in Ubuntu:
  Fix Released

Bug description:
  I'm observing missing client frames when swap interval is set to zero.

  Test case (1):
  https://code.launchpad.net/~vanvugt/mir/wacky/+merge/237907

  Test case (2):
  sudo bin/mir_performance_tests
  Expected: Perfect smoothness
  Observed: Constant slight visible judder during all the animations.

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