hybr wrote:
Hi, Gianni Ambrosio
It can be the case that in old drivers vsync were disabled, and in new ones
its enabled by default.
OK, it seems I got the point but I have some questions.
Basically the monitor refresh rate is 60Hz but the timer to update the widget
was 10 milliseconds
In the meanwhile I found a way to get the screen refresh rate to use as default
in the timer. I don't know if there is something helpful in the OSG libs but
since nobody answers ... here is the code:
DEVMODE lpDevMode;
memset(lpDevMode, 0, sizeof(DEVMODE));
lpDevMode.dmSize = sizeof(DEVMODE);
Looking at the posts It seems somebody uses OSG viewers embedded in Qt widgets.
Could you please give me a feedback regarding my problem?
Thanks
Gianni
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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=39419#39419
Well, updating the driver works fine. But I have a couple of questions.
On my PC (WinXP) at the end of the day I experience the same bad behaviour
while if I restart windows the CPU usage is very low. Any explanation for that?
Moreover, which is the core problem in OSG related to that?
Regards
Hi All,
I found a strange behaviour in a QT application using OSG. On a PC with a
NVIDIA Quadro FX 550 gfx card the CPU usage was 50% just running my qt app with
an osg Viewer.
After several investigation we updated the gfx card drivers to 6.14.12.6705 and
the cpu usage magically fell down.
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