Re: [osg-users] New QT 4.8 integration ?

2012-02-18 Thread Torben Dannhauer
Hi,

I came across the Qt blogs regarding the threaded rendering. Especially the 
first one is interesting.

http://doc.qt.nokia.com/qq/qq06-glimpsing.html#writingmultithreadedglapplications
http://labs.qt.nokia.com/2011/06/03/threaded-opengl-in-4-8/


Cheers,
Torben

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Re: [osg-users] New QT 4.8 integration ?

2012-01-21 Thread Torben Dannhauer
Hi,

I think he meant the new Qt 4.8.0 threading capability of it's OpenGL 
integrations.

Qt now provides out of the box the possibility to run the openGL rendering in a 
thread. Now maybe OSG can be used as it is without manual triggered rendering 
to serve the Qt eventloop as well..

But I don't know what the current status of the Qt integration is..

Cheers,
Torben

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Re: [osg-users] New QT 4.8 integration ?

2012-01-21 Thread Remo Eichenberger
Zonk, thanks for this clarification. It is that what i mean ;)

Cheers,
Remo


zonk wrote:
 Hi,
 
 I think he meant the new Qt 4.8.0 threading capability of it's OpenGL 
 integrations.
 
 Qt now provides out of the box the possibility to run the openGL rendering in 
 a thread. Now maybe OSG can be used as it is without manual triggered 
 rendering to serve the Qt eventloop as well..
 
 But I don't know what the current status of the Qt integration is..
 
 Cheers,
 Torben


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Re: [osg-users] New QT 4.8 integration ?

2012-01-21 Thread Glenn Waldron
OK, gotcha. Thanks for clearing that up.

Glenn.
On Jan 21, 2012 3:28 AM, Torben Dannhauer tor...@dannhauer.info wrote:

 Hi,

 I think he meant the new Qt 4.8.0 threading capability of it's OpenGL
 integrations.

 Qt now provides out of the box the possibility to run the openGL rendering
 in a thread. Now maybe OSG can be used as it is without manual triggered
 rendering to serve the Qt eventloop as well..

 But I don't know what the current status of the Qt integration is..

 Cheers,
 Torben

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Re: [osg-users] New QT 4.8 integration ?

2012-01-20 Thread Remo Eichenberger
Hi,

Nobody really works on this ?

Cheers,
Remo

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Re: [osg-users] New QT 4.8 integration ?

2012-01-20 Thread Philipp Moeller
Remo Eichenberger remo.eichenber...@gmail.com writes:

 Hi,

 Nobody really works on this ?

There is an osgviewerQt example which works pretty nicely with
Qt-4.8. What would you expect to be different?

Cheers,
Philipp


 Cheers,
 Remo

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Re: [osg-users] New QT 4.8 integration ?

2012-01-20 Thread Remo Eichenberger
Hi,

I think it should be possible to optimize the following:

- Rendering without any timers.
- Better multithreading support ( 
http://forum.openscenegraph.org/viewtopic.php?t=8340postdays=0postorder=aschighlight=multithreadedstart=15
 )
- Seamless/Performed integration of QT UI in an OpenGL-Context (OSG Scenegraph).

Cheers,
Remo

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Re: [osg-users] New QT 4.8 integration ?

2012-01-20 Thread Glenn Waldron
Remo, can you elaborate on the rendering without timers bit? That's one
of the things we're looking to tackle next in osgEarthQt.

Glenn Waldron / @glennwaldron


On Fri, Jan 20, 2012 at 10:10 AM, Remo Eichenberger 
remo.eichenber...@gmail.com wrote:

 Hi,

 I think it should be possible to optimize the following:

 - Rendering without any timers.
 - Better multithreading support (
 http://forum.openscenegraph.org/viewtopic.php?t=8340postdays=0postorder=aschighlight=multithreadedstart=15)
 - Seamless/Performed integration of QT UI in an OpenGL-Context (OSG
 Scenegraph).

 Cheers,
 Remo

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Re: [osg-users] New QT 4.8 integration ?

2012-01-20 Thread Remo Eichenberger
Glenn, this topic has not explicitly to do with QT 4.8. I don't know QT in the 
details. I only know it should be possible to do it. But when it is possible to 
integrate the rendering in QT Main-loop and for example wait for next event and 
render (go through the main loop) only when it needed, then it should work 
without any timer. Like this one (sorry no QT :)

http://msdn.microsoft.com/en-us/library/windows/desktop/ms684245(v=vs.85).aspx

But i could be wrong.

Cheers,
Remo

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[osg-users] New QT 4.8 integration ?

2012-01-03 Thread Remo Eichenberger
Hi,

Does anyone working on a QT 4.8 integration of OSG with support of this:

http://labs.qt.nokia.com/2011/06/03/threaded-opengl-in-4-8/

Cheers,
Remo

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