[Ves] VES on the Raspberry Pi

[Aashish Chaudhary]

On Fri, Jul 5, 2013 at 6:33 AM, John Donovan <mersey.viking at gmail.com>wrote:

> OK, the issue I seem to be getting is a conflict between the function
> declarations in gl.h and those in GLES/gl2.h while compiling
> TestDrawPlane.cpp because (free)GLUT is including the standard OpenGL
> headers. I'm surprised GLUT is needed at all on mobile platforms, but
> vesTestHelper.h uses it.
>

No GLUT is not required on mobile platforms. We use it on desktop for
testing.  Did you set VES_USE_DESKTOP_GL to OFF?  Another thing to try is
set BUILD_TESTING to OFF (just to make sure you can compile core libraries
on the system).

>
> As GLUT includes GL/gl.h, I can't even put the GLES include
> directories first, and surely I don't have to overwrite GL/gl.h with
> the GLES version. Maybe my configuration is messed up, I'll carry on
> poking around.
>
> -John
>
> On 5 July 2013 01:04, Aashish Chaudhary <aashish.chaudhary at kitware.com>
> wrote:
> > +1 It would be awesome to completely support Raspberry Pi
> >
> >
> >
> >
> > On Thu, Jul 4, 2013 at 4:43 PM, John Donovan <mersey.viking at gmail.com>
> > wrote:
> >>
> >> Hi Pat,
> >> Thanks for the quick reply. I'll get those files in and compiling
> >> later. The project I am involved in is in its early stages, but I am
> >> happy to hack on the VES source code to improve support for the Pi and
> >> submit pull requests or patches if that would be of help.
> >>
> >> Regards,
> >> John
> >>
> >> On 4 July 2013 21:33, Pat Marion <pat.marion at kitware.com> wrote:
> >> > Hi John,
> >> >
> >> > Luis and I got VES to run on raspberry pi without X11, but the work
> >> > didn't
> >> > get far enough to get full support added to the VES repository.
> >> > Attached
> >> > are two files that are work in progress, this is as far as I got.  It
> >> > works
> >> > with basic mouse input, but it doesn't support keyboard input.  My
> next
> >> > plan
> >> > was going to look at SDL to see if I could get key and mouse events
> that
> >> > way.
> >> >
> >> > To use the attached files, replace src/kiwi/vesKiwiTestHelper.h with
> the
> >> > attached file.  Copy vesTestHelperRaspi.h into src/kiwi.  Compile, and
> >> > hopefully if there are compile issues it's easy to fix.  Then launch
> >> > TestKiwiViewer from the terminal before starting the graphical desktop
> >> > environment with X11.  You should get a fullscreen render window that
> >> > shows
> >> > the spaceship dataset.  Clicking the mouse should exit.  I think
> >> > everything
> >> > should work once the keyboard/mouse input is implemented.
> >> >
> >> > Luis and I also ran VES using X11, but I don't remember if that was
> >> > using
> >> > GLUT or if it used the old VES tests that used only EGL and ES 2.0 and
> >> > got
> >> > keyboard/mouse events directly from X11 apis instead of using GLUT.
>  If
> >> > you
> >> > look at the git history of TestKiwiViewer.cpp, you'll find an older
> >> > version
> >> > before GLUT was used.
> >> >
> >> > Pat
> >> >
> >> >
> >> > On Thu, Jul 4, 2013 at 4:09 PM, John Donovan <mersey.viking at gmail.com
> >
> >> > wrote:
> >> >>
> >> >> Having just watched the webinar on ITK and VTK on the Pi, I thought I
> >> >> would have a go at compiling VES on my Pi under the latest Raspbian
> >> >> using the Superbuild. It compiled fine, but I'm having problems
> >> >> running the examples.
> >> >>
> >> >> the video says that VES bypasses X completely which is great, but if
> I
> >> >> run TestKiwiViewer from the terminal (directly from the Pi, not via
> >> >> SSH), I get:
> >> >> freeglut (./TestKiwiViewer): failed to open display ''
> >> >>
> >> >> Running from within X gives me:
> >> >> freeglut (./TestKiwiViewer): OpenGL GLX extension not supported by
> >> >> display
> >> >> ':0'
> >> >>
> >> >> When I was compiling VES it couldn't find GLUT, so I apt-installed
> >> >> freeglut3-dev, which I presume is the right dependency. Also I'm
> using
> >> >> the version of cmake from the repo - 2.8.9 rather than the very
> latest
> >> >> one as suggested in the ITK on the Raspberry Pi video.
> >> >>
> >> >> Is there a step I have missed?
> >> >>
> >> >> Regards,
> >> >> John
> >> >>
> >> >> --
> >> >> One of the advantages of being disorderly is that one is constantly
> >> >> making exciting discoveries. - AA Milne
> >> >> _______________________________________________
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> >> >> Ves at public.kitware.com
> >> >> http://public.kitware.com/cgi-bin/mailman/listinfo/ves
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> One of the advantages of being disorderly is that one is constantly
> >> making exciting discoveries. - AA Milne
> >> _______________________________________________
> >> Ves mailing list
> >> Ves at public.kitware.com
> >> http://public.kitware.com/cgi-bin/mailman/listinfo/ves
> >
> >
> >
> >
> > --
> > | Aashish Chaudhary
> > | R&D Engineer
> > | Kitware Inc.
> > | www.kitware.com
>
>
>
> --
> One of the advantages of being disorderly is that one is constantly
> making exciting discoveries. - AA Milne
>



-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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