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Editorial Team
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Asked: 2026-06-08T06:58:59+00:00

I’m working with OpenSceneGraph 3.0.1 (the latest stable) and Qt. OSG has a module

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I’m working with OpenSceneGraph 3.0.1 (the latest stable) and Qt. OSG has a module named osgQt to create a widget for OSG rendering. I have noticed a strange frame rate drop switching from Qt 4.7 to 4.8.
With 4.7.3, the frame rate was maximum 60fps on every computer.
With 4.8 the frame is maximum 38-40fps on every computer. Definitely too much to accept.
I cannot understand why! Is it a bug or what?

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1 Answer

  1. Editorial Team

    With Qt 4.8.1 now I’m back to 60fps!

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