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the fps of QOpenglWidget is reduced by label->setText()

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  • M Offline
    M Offline
    m_zf
    wrote on last edited by
    #1

    Hello, I use QOpenGLWidget to paint , QLabel to show some messages.

    The application needs to be rendered 60 fps. but when label->SetText() is called, the fps is reduced to 58-59

    What it the relation of drawing between these?
    And what else needs to be done to have smooth behavior?

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