OpenGL and lagging Dialogs ( NVidia )

Hi all,

i have the following problem: when my opengl application is under full load, and i try to open a dialog in the same application, the dialog opens extremely slowly.

this problem does not appear with ati cards, and it does not appear when running under linux.

the problem appears under windows xp and windows 7.

Does anyone experience the same problem?

Best regards

Specify configuration please.

Nothing special

  • core i7
  • gtx 285
  • two gl windows XGA size
  • single threaded
  • one context alternatively bound to windows
  • paint command every 40ms

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