[Development] Does iMX6 support EGL on X11 feature?

Denis Shienkov denis.shienkov at gmail.com
Sat Mar 23 08:57:12 CET 2019


> 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.

> Did you have a look on QChart.js?

It is embedded device, there are no any HTML, JS and other stuff.



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
>
>
>
>>
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