[osg-users] Latest OSG cannot realize viewer under Android

[michael kapelko]

Hi.

I've successfully used ADT bundle (year 2014) to build OSG 3.0.1 (year
2011) GLES2 example, but AndroidStudio (year 2016) can't build it.
It's not clear what causes it, but I will continue to investigate.


2016-10-20 21:30 GMT+07:00 Jordi Torres <jtorresfabra at gmail.com>:

> Hi Michael,
>
> I'm sorry I don't have the time now to dig into the problems you have. But
> I strongly recommend you base your work in http://www.openscenegraph.
> org/index.php/documentation/platform-specifics/android/
> 178-building-openscenegraph-for-android-3-4, I've tested it a number of
> times with success. Then you can make use of osgAndroid if you target GL_ES
> 1 ( https://github.com/miragetech/osgAndroid ). If GL_ES 2 is a must you
> are on your own, but I tested it with success some time ago.
>
> Cheers.
>
> 2016-10-20 15:45 GMT+02:00 michael kapelko <kornerr at gmail.com>:
>
>> Since I can't find the starting point for Android with latest OSG, I'll
>> try to dive back into year 2011 to the point where it first worked for Jorge
>> Izquierdo Ciges who wrote the first Android docs:
>> http://www.openscenegraph.org/index.php/documentation/platfo
>> rm-specifics/android/44-building-openscenegraph-for-android-3-0-3-0-1
>> I'll recreate mid-2011 development environment and challenge my luck.
>>
>> 2016-10-20 1:38 GMT+07:00 Robert Osfield <robert.osfield at gmail.com>:
>>
>>> Hi Michael,
>>>
>>> I haven't done any development under Android myself so can't comment
>>> on the specifics. A few general comments might help a bit perhaps.
>>> Hopefully others in the community with Android experience will be chip
>>> in with specifics.
>>>
>>> The osgViewer library doesn't have any Android support built into it,
>>> so it's not possible to just use osgViewer like you do on the desktop.
>>> Instead you'll need to have create an GLES graphics window from within
>>> Android and then get osgViewer to render to this via the
>>> GraphicsWindowEmbedded adapter.  This is the route that the
>>> OpenSceneGraph/examples/osgAndoidExampleGLES1/GLES2 take, this is what
>>> the setUpViewerAsEmbeddedInWindow(..) call will be doing.
>>>
>>> Robert.
>>>
>>>
>>> On 19 October 2016 at 15:26, michael kapelko <kornerr at gmail.com> wrote:
>>> > Hi.
>>> > I'm trying to make a minimal OSG application to work under Android.
>>> > I closely follow GLES2 example.
>>> > Upon viewer->realize() call I get the following errors:
>>> >
>>> > I/OSGLog: Warning:
>>> > GraphicsContext::WindowingSystemInterfaces::getWindowingSyst
>>> emInterface()
>>> > failed, no interfaces available.
>>> > I/OSGLog: AcrossAllScreens::configure() : Error, no
>>> WindowSystemInterface
>>> > available, cannot create windows.
>>> > I/OSGLog: Viewer::realize() - failed to set up any windows
>>> >
>>> > This leads to a viewer without instantiated Camera.
>>> >
>>> > Is it normal to have those errors? Is there any windowing interface for
>>> > Android?
>>> >
>>> > _______________________________________________
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>>> cenegraph.org
>>> >
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>>>
>>
>>
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>
>
> --
> Jordi Torres
>
>
>
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