[osg-users] Please test OpenSceneGraph master in prep for 3.5.6 dev release

[Konstantin]

Hi, Robert!

I've sent upgraded osgtext3D example to osgsubmissions.

Best wishes!
KOS


2017-04-05 18:12 GMT+03:00 Robert Osfield <robert.osfield at gmail.com>:

> Hi KOS,
>
> On 5 April 2017 at 15:41, Konstantin <lalakostya at gmail.com> wrote:
> > First... Thanks :)
> > I've compiled 3.5.6 with GL3 core on Macmini (OpenGL 3.3) with no
> problems.
>
> Thanks for the testing.
>
> > BUT.....
> > I have application based on OpenSceneGraph 3.4.0 (built with GL3 profile)
> > and it works well on Mac (in OpenGL 2.1 compatibility context)
> >
> > When I've switched to 3.5.6 (GL3 core) I have multiple problems:
> >
> > (*) Multiple VAO errors in console (OSG_NOTIFY_LEVEL=DEBUG_FP) when
> > ShaderComposition is ON (like vao not binded, so Program compilation was
> > failed).
>
> I would have thought VAO and glProgram would be orthogonal.
> Unfortunately I don't have OSX access so can't test things out myself,
> so have to rely on OSX users to test and provide guidance.
>
> Could you post the errors?  Is possible to reproduce the error with OSG
> example?
>
> As a general note, osg::ShapeComposition is deprecated, #pragmat(tic)
> shader composition and upcoming extensions to it are the way forward
> for OSG applications so I'd recommend looking in migrating over to the
> new shader functionality.  If you have any questions then I'd suggest
> starting up another thread.
>
> > (*) Strange things with lighting: Don't know how to explain it now, but
> like
> > something was changed in the osgUtil::PositionalStateContainer.
>
> I just checked with git log on the PositionStateContainer header and
> source files and nothing other than typo fixes has been changed with
> them in 5 years.  So if there is a change in behaviour it will be
> coming from elsewhere.
>
> Can you reproduce the problem with any of the OSG examples?
>
>
> > (*) Problems with osgAnimation::RigGeometry (I think because of VAO)
>
> Again can you reproduce this with any of the OSG examples?
>
>
> > (*) osgText::Text3D setCharacterSize  don't change geometry in dynamic
> (I've
> > added handler to osgtext3d example, changed text3d node's DataVariance to
> > DYNAMIC and test some functions)
>
> Could you post these changes to osgtext3d so I can see the problem,
> hopefully it'll appear under linux and I'll be able to investigate.
>
> > PS
> > ShaderHint=SHADER_NONE in DisplaySettings
> > My ShaderComposer can create version #150
>
> The shaders version numbers used for GL3 fallback shaders were chosen
> by a fellow OSX/GL3 core profile user, is it safe/preferable to got
> for GLSL version #150?  If we need to adapt the shaders in some way
> I'm happy to consider changes - the more widely the shaders the work
> the better.
>
> --
>
> For all these issues, I'd like to resolve them, but am hampered by not
> having an OSX system.  This means we'll need help from OSX users to
> both provide clear tests that reproduce the issues and then for us as
> a group to work out solutions, code them up and then do another round
> of testing.
>
> Cheers,
> Robert
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>
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