Hello,
Thanks for all explanations, I was able to use QSurfaceFormat
swapInterval and get the Qt5.2 behaviour back.
So what i can see, on Windows platform, is when using vsync and moving
the window around the desktop the application lags.
If i set swapinterval to 0, and get higher frames rates, the application
remains smooth even when the window is moved around the desktop.
Maybe that means there is a vsync failure in case of moving the window
application on the screen ?
But I let specialists discuss this issue :)
Regards,
Stéphane
--
*Stéphane Fabry*, Project & IT Manager
+32 (0)4 367 07 92
*X-RIS* | /X-Ray Imaging Solutions/
www.xris.eu/contact.html
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