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[Bryan Quigley <bryan.quigley@xxxxxxxxxxxxx>]

** Changed in: unity-2d
       Status: New => Invalid

** Changed in: unity-2d (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/839861

Title:
  Poor 3d application performance under unity-2d

Status in unity-2d:
  Invalid
Status in unity-2d package in Ubuntu:
  Invalid

Bug description:
  Running Ubuntu 11.04 with Unity-2D. Video card: nvidia GeForce 8600 M
  GT,  driver version: 270.41.06.

  Tried running Nexuiz (glx, sdl and windows executable via Wine) and
  Left4Dead (via Wine) under Unity-2D and every time both the games
  would become unresponsive with around 0.25 frames per second after
  some time (5-10 seconds after loading a map - menus work alright) and
  dramatically slow down the whole system. Interestingly enough, some
  maps in Nexuiz worked fine whereas others froze the game.  After
  shutting down the games (e.g. summoning the console and typing 'quit')
  the overall performance was restored to its normal level.

  What led me to think this is Unity-2D-specific is that when launching
  Nexuiz on a separate X server, no performance degradation is observed.
  Furthermore, using Gnome Classic (No Effects) also delivers great
  performance in both the applications.

  I'm unsure as to the reason behind such behavior of the mentioned
  applications, but it seems that those with less advanced graphics
  (World of Padman, Neverball) experience no performance loss.

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