[Development] Does iMX6 support EGL on X11 feature?

Alexander Nassian nassian at bitshift-dynamics.com
Sat Mar 23 09:44:05 CET 2019


> Am 23.03.2019 um 08:57 schrieb Denis Shienkov <denis.shienkov at gmail.com>:
> 
> > Otherwise you could just wrap Qwt in a QQuickPaintedItem to integrate that single QWidget component in the otherwise QtQuick UI
> 
> QQuickPaintedItem use QPainter, so, the performance will be as with usual QWidget. 

Yes, for that widget, but the rest would be offloaded.

> 
> > Did you have a look on QChart.js?
> 
> It is embedded device, there are no any HTML, JS and other stuff.

QChart.js is the QtQuick port of Chart.js

> 
> 
> 
> сб, 23 мар. 2019 г. в 00:03, Alexander Nassian <nassian at bitshift-dynamics.com>:
>> Did you have a look on QChart.js?
>> Otherwise you could just wrap Qwt in a QQuickPaintedItem to integrate that single QWidget component in the otherwise QtQuick UI.
>> 
>> Beste Grüße / Best regards,
>> Alexander Nassian
>> 
>>> Am 22.03.2019 um 20:02 schrieb Denis Shienkov <denis.shienkov at gmail.com>:
>>> 
>>> Hi, 
>>> 
>>> Yes, but Qt Quick has not any good plotting library (as my app draw "real-time" curves). QtCharts in not an option. :) 
>>> 
>>> I thought that maybe I could use the OpenGL widget in QtWidgets app to render a curves there (e.g. with Qwt). But in this case I need in the working OpenGL on X11 (which is not exists).
>>> 
>>> 
>>> 22.03.2019 21:29, Alexander Nassian пишет:
>>>> Then you should go with EGL and QtQuick if you want to utilize the GPU. X11 is mostly a horrible idea on embedded systems (and in general too if you would ask me). Widgets are drawn by the CPU as far as I know.
>>>> 
>>>> Beste Grüße / Best regards,
>>>> Alexander Nassian
>> 
>> 
>>>> 
>> bitshift dynamics GmbH
>> Neudorfer Str. 1, 79541 Lörrach
>> Registergericht: Amtsgericht Freiburg i. Breisgau, HRB 713747
>> Geschäftsführer: Alexander Nassian, Markus Pfaffinger
>> 
>> http://www.bitshift-dynamics.de
>> 
>> Zentrale: +49 762158673 - 0
>> Fax: +49 7621 58673 - 90
>> 
>> Allgemeine Anfragen: info at bitshift-dynamics.com
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>> Buchhaltung: invoice at bitshift-dynamics.com

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bitshift dynamics GmbH
Neudorfer Str. 1, 79541 Lörrach

Registergericht: Amtsgericht Freiburg i. Breisgau, HRB 713747

Geschäftsführer: Alexander Nassian, Markus Pfaffinger



http://www.bitshift-dynamics.de <http://www.bitshift-dynamics.de/>


Zentrale: +49 762158673 - 0
Fax: +49 7621 58673 - 90


Allgemeine Anfragen: 
info at bitshift-dynamics.com <mailto:info at bitshift-dynamics.com>
Technischer 
Support: support at bitshift-dynamics.com 
<mailto:support at bitshift-dynamics.com>
Buchhaltung: 
invoice at bitshift-dynamics.com <mailto:invoice at bitshift-dynamics.com>
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