Hi,
On 10/06/2011, at 9:09 PM, "Sarkijarvi Juha (Nokia-SD/Tampere)"
<[email protected]<mailto:[email protected]>> wrote:
Hi,
Have you tried measuring the frame rate in QML utilizing QML_SHOW_FRAMERATE
environment variable.
QByteArray data = "1";
qputenv("QML_SHOW_FRAMERATE ", data);
If so, how the generated messages should be interpreted. Here is an example
print out that I got.
[Qt Message] paintEvent: 2 time since last frame: 16
[Qt Message] paintEvent: 1 time since last frame: 16
[Qt Message] paintEvent: 2 time since last frame: 16
[Qt Message] paintEvent: 2 time since last frame: 16
[Qt Message] paintEvent: 2 time since last frame: 16
[Qt Message] paintEvent: 2 time since last frame: 16
[Qt Message] paintEvent: 1 time since last frame: 16
[Qt Message] paintEvent: 1 time since last frame: 16
What does the first number mean? If it means the number of paint events, why
there are sometimes several paint events? I thought that there would be only
one paint event per frame when running 60fps.
It is the time spent in the QGraphicsViet::paintEvent() call itself.
Cheers,
Aaron
Best regards,
Juha
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