[meta-freescale] QT4.8 or 5.0 on wandboard-solo (I.MX6S) with OPENGL ES2

[Eric Bénard]

Le Wed, 29 May 2013 17:00:56 +0200,
Bastiaan de Nooij <nooijb.hotraco at gmail.com> a écrit :

> On 05/28/2013 04:56 PM, Eric Bénard wrote:
> > Le Tue, 28 May 2013 16:38:14 +0200,
> > Bastiaan de Nooij <nooijb.hotraco at gmail.com> a écrit :
> >
> >> On 05/28/2013 09:04 AM, Eric Bénard wrote:
> >>> Le Tue, 28 May 2013 08:23:14 +0200,
> >>> Bastiaan de Nooij <nooijb.hotraco at gmail.com> a écrit :
> >>>
> >>>> On 05/22/2013 05:02 PM, Eric Bénard wrote:
> >>>>> Hi Bastiaan,
> >>>>>
> >>>>> Le Wed, 22 May 2013 16:46:42 +0200,
> >>>>> Bastiaan de Nooij <nooijb.hotraco at gmail.com> a écrit :
> >>>>>> Qt-embedded builds fine.
> >>>>>> However running actual opengl ES2 code results in a segmentation fault.
> >>>>>> Also qtdemo results in a segmentation fault.
> >>>>>>
> >>>>>> I would like to give you more detailed information, however I'm a little
> >>>>>> short on time to work on this.
> >>>>>> I will try to make a stacktrace tomorrow.
> >>>>>>
> >>>>> FWIW : I have a working (runtime tested with hellogl_es2 -platform
> >>>>> eglfs) bbappend for meta-qt5 and eglfs platform on i.MX6. I'll try to
> >>>>> send it by friday.
> >>>>>
> >>>>> Eric
> >>>> Hi Eric, Otavio,
> >>>>
> >>>> at this point I'm convinced I need QT 5 for the project I'm working on,
> >>>> it delivers far better performance for QML (according to various
> >>>> internet sources).
> >>>>
> >>>> I'm still very much interested in testing your QT5 patches/bbappends,
> >>>> to see if I can achieve decent performance on the IMX6S.
> >>>>
> >>> patches sent this night, please check the ML
> >>>
> >>> Eric
> >> Hi Eric, Otavio,
> >> I'm afraid I need a little more help....
> >> I'm quite new to yocto and as a result I find it difficult to get results.
> >>
> >> what I've done so far:
> >>
> >> I set-up the fsl-community-bsp-base
> >> <https://github.com/Freescale/fsl-community-bsp-base> repo for my
> >> wandboard-solo.
> >> I added the meta-qt5 layer from the github repository (and adjusted my
> >> bblayers.conf).
> >> I applied the patch of Vol 77 of the ML on meta-fsl-arm.
> >> I modified a core-image-minimal recepe to build qtbase qtbase-tools and
> >> qtbase-plugins.
> >>
> >> when I build this image, the build proceeds fine, however the resulting
> >> image contains version 5.0.1 of QT for opengl Desktop (!?)
> >> (according to the do_configure logfile for qtbase)
> >>
> >> In volume 78 of the ML, Eric mentions "cherry-pick e7a477a"
> >> I 'm afraid don't know how. I tried 'git cherry-pick e7a477a' on the
> >> meta-qt5 repo, but this results in:
> >> fatal: ambiguous argument 'e7a477a': unknown revision or path not in the
> >> working tree.
> >>
> >> According to the same mail I also should apply the patches from
> >> http://lists.openembedded.org/pipermail/openembedded-devel/2013-May/090861.html
> >> ?
> >> Then, after setting QT version 5.0.2 in conf/distro/include/qt5-versions.inc
> >> I should be able to build a eglfs supporting version of qt5?
> >>
> >> If I get the last part right, the only thing I need help with is the
> >> cherry-picking part...
> >>
> > try getting in meta-qt5 the branch
> > origin/newer-versions
> >
> > Eric
> OK, I switched to the origin/newer-versions branch for QT5.
> now building fails on missing binaries (vivante?):
> make[3]: Leaving directory 
> `/home/jenkins/git/fsl/build3/tmp/work/wandboard_solo-poky-linux-gnueabi/qtbase/5.0.2-r1.0/build/src/plugins/generic'
> .obj/release-shared/qeglfshooks_imx6.o: In function 
> `QEglFSImx6Hooks::destroyNativeWindow(_FBWindow*)':
> /home/jenkins/git/fsl/build3/tmp/work/wandboard_solo-poky-linux-gnueabi/qtbase/5.0.2-r1.0/qtbase-opensource-src-5.0.2/mkspecs/linux-oe-g++/qeglfshooks_imx6.cpp:86: 
> undefined reference to `fbDestroyWindow'
> .obj/release-shared/qeglfshooks_imx6.o: In function 
> `QEglFSImx6Hooks::createNativeWindow(QSize const&, QSurfaceFormat const&)':
> /home/jenkins/git/fsl/build3/tmp/work/wandboard_solo-poky-linux-gnueabi/qtbase/5.0.2-r1.0/qtbase-opensource-src-5.0.2/mkspecs/linux-oe-g++/qeglfshooks_imx6.cpp:79: 
> undefined reference to `fbCreateWindow'
> ...
> How do I get the missing libraries?
ok quick dirty hack in gpu recipe :
USE_X11 = "no"
USE_DFB = "no"

Eric