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

Bastiaan de Nooij nooijb.hotraco at gmail.com
Wed May 29 08:00:56 PDT 2013

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 
.obj/release-shared/qeglfshooks_imx6.o: In function 
undefined reference to `fbDestroyWindow'
.obj/release-shared/qeglfshooks_imx6.o: In function 
`QEglFSImx6Hooks::createNativeWindow(QSize const&, QSurfaceFormat const&)':
undefined reference to `fbCreateWindow'
How do I get the missing libraries?

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