[Scilab-Dev] JOGL java OpenGL library

[Clément David]

Hello Johan,

Strange, that may be a regression using a fresh JOGL2 and the current master. Could you open a bug
to trace this issue (with screenshots and your JOGL2 version) ?

Thanks,

--
Clément

Le lundi 30 juillet 2018 à 10:01 -0300, Johan Wesselink a écrit :
> Thanks Clément,
> 
> I made the modifications by hand in the different files. Not that many files!
> Had a quick look at the patch set it does exactly the same as mine as far as I can see.
> 
> I can now compile an working Scilab from the master branch.However, I noticed that there is still
> a selection bug in the plot window.
> The red markers are correct. However, the rubber box is drawn upside down. 
> I don't know if this is also fixed in this patch set. But it is a really old bug which is not any
> longer present in Scilab 6.0.1
> So at one moment in time it was fixed. I am curious if I introduced this bug myself because I
> linked against an external
> version of JOGL2 which may or may not contain this bug. In other words is this bug fixed JOGL2
> library you are using?
> 
> Thanks,
> 
> Johan
> 
> 
> 
> 
> 2018-07-30 9:41 GMT-03:00 Clément David <Clement.David at esi-group.com>:
> > Hello Johan,
> > 
> > Yep the patch is already in review [1] however we should rebuild jogl2 to ship it within our
> > thirdparties. Currently to build Scilab for yourself with the latest jogl2 version from your
> > distribution, apply it before building.
> > 
> > [1]: https://codereview.scilab.org/#/c/17530/
> > 
> > Thanks,
> > 
> > --
> > Clément
> > 
> > Le mercredi 25 juillet 2018 à 22:09 -0300, Johan Wesselink a écrit :
> > > I build scilab from the scilab branch master under lubuntu. 
> > > This went well except for the JOGL2 library.
> > > 
> > > I noticed that almost all modern distros come with its own version of this library.
> > > The library is currently redistributed. However, there is a library problem in which
> > > a dynamic library doesn't return the correct string. If I remember correctly this is the
> > latest
> > > MesagGL library. The redistributed version is no longer compatible with the latest mesa
> > library. 
> > > 
> > > This is a well known problem and all distributions package scilab using the
> > > new version.
> > > They are aware that search path for the library in Java is modfied from 
> > > javax.opengl to com.jogamp.
> > > Every distribution uses a patch which patches a set of java files and adapts the configure.ac
> > > 
> > > I am very curious if there is an incentive to integrate this modification into the current 
> > > master branch and link to a new version of JOGL2. This will make it much easier to
> > > compile scilab from scratch.
> > > 
> > > I do this because I am interested on working on XCOS.. This is a very cool tool
> > > which still needs a lot of work. 
> > > 
> > > Sincerely
> > > Johan Wesselink
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