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
A 60hz refresh rate is very common, but it is by no means the only sync rate
in use. I would hope that qt does noting to limit frame rate! Only the user or
os/display driver know if frame rate should be bound to the display refresh
(“vertical sync”) AND if the refresh rate is 60hz or
On Saturday 19 April 2014 23:58:42 Joshua Kolden wrote:
A 60hz refresh rate is very common, but it is by no means the only sync
rate in use.
Of course. That's why the QPA architecture abstracts this via the
QPlatformScreen::refeshRate() function. Each platform can use this to return
the
On Sunday 20 April 2014 02:50:50 Joshua Kolden wrote:
On Apr 20, 2014, at 1:39 AM, Sean Harmer sean.har...@kdab.com wrote:
The swapInterval() mentioned by Laszlo combined with this controls the
refresh rate in the common case.
Setting swapInterval to:
* 1 enforces vsync
* 0 turns
