** No longer affects: xmir

** Tags added: xmir

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to mesa in Ubuntu.
https://bugs.launchpad.net/bugs/1211186

Title:
  [regression] GL(X) apps don't have vsync when running under XMir

Status in Mir:
  Invalid
Status in mesa package in Ubuntu:
  Confirmed
Status in xorg-server package in Ubuntu:
  Triaged

Bug description:
  When using XMir, GL apps are not synchronized to vblank correctly. For
  example using glxgears...

  XMir:
  Running synchronized to the vertical refresh.  The framerate should be
  approximately the same as the monitor refresh rate.
  5632 frames in 5.0 seconds = 1126.334 FPS
  5136 frames in 5.0 seconds = 1027.137 FPS
  4686 frames in 5.0 seconds = 937.086 FPS
  4519 frames in 5.0 seconds = 903.775 FPS
  4469 frames in 5.0 seconds = 893.723 FPS
  10179 frames in 5.0 seconds = 2035.627 FPS

  Regular X:
  Running synchronized to the vertical refresh.  The framerate should be
  approximately the same as the monitor refresh rate.
  306 frames in 5.0 seconds = 61.115 FPS
  301 frames in 5.0 seconds = 60.080 FPS
  302 frames in 5.0 seconds = 60.275 FPS
  301 frames in 5.0 seconds = 60.081 FPS
  301 frames in 5.0 seconds = 60.078 FPS
  301 frames in 5.0 seconds = 60.081 FPS

To manage notifications about this bug go to:
https://bugs.launchpad.net/mir/+bug/1211186/+subscriptions

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