[mythtv] Raspberry Pi 2 and OpenGL

Curtis Gedak gedakc at gmail.com
Wed Mar 16 21:07:55 UTC 2016

On 16-03-16 02:41 PM, Mike Bibbings wrote:
> On 16/03/16 19:34, Peter Bennett wrote:
>> On 03/16/2016 12:52 PM, Curtis Gedak wrote:
>>> In an effort to remove one variable between your build and mine I am
>>> trying to create a tarball using QT 5.3.2.
>> I have built it on Jessie (QT 5.3.2) with GL enabled and I get the same
>> result
>> EGL Error : Could not create the egl surface: error = 0x300b
> I have also built with Qt 5.3.2 on Raspbian Jessie, and get the same EGL
> error.
> I could never get eglfs to work using Qt5.4.0 (Lawrence Rust
> mythbuild.sh), xcb has always been fine.
> I have a build using Qt5.5.1 (built from source on Rpi2) and eglfs works
> with both softblend and opengl2 on my TV 1080p 50Hz.
> All my builds are using mythtv fixes/0.28 source from git and install in
> /usr/local/ to avoid pollution. My Qt5.5.1 is also installed in /usr/local.

Unfortunately I've not been able to resolve the issue with QT 5.3.2.

I can compile and get eglfs to work using QT5.4.0 (Lawrence Rust

A quick Internet search on the QT 5.3.2 issue brought me back to the the
mythtv-dev mailing list.  In the following post LVR indicates:

   "I feel that trying to get OpenGLES and EGLFS supported is
    too bleeding edge until Qt5.4 or later becomes the default
    for Debian."


Is it possible to alter Peter's debian package build to statically link
to a different QT version (e.g., 5.5.1)?

My thoughts are that if we statically link to QT 5.5.1 then we would not
need to build a complete QT 5.5.1 debian package.


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