i.MX ProcessorsのトピックRe: Display rotation on the fly

Display rotation on the fly

ajita02 — Thu, 24 Aug 2023 07:20:00 GMT

Hi all,

I am using IMX8MM with yocto 5.4.70 xwayland. I want to rotate display on the fly means without restarting weston service. Can someone will provide a lead?

Thanks & Regards,

Ajita

Re: Display rotation on the fly

ajita02 — Thu, 24 Aug 2023 06:46:56 GMT

@Omar_Anguiano @PrabhuSundarara @HugoOsornio @Sanket_Parekh

Please provide a lead

Re: Display rotation on the fly

Allisonsnyder — Thu, 24 Aug 2023 06:48:47 GMT

Hi all,
I am using IMX8MM with yocto 5.4.70 xwayland. I want to rotate display on the fly means without restarting weston service by making changes in weston.ini. Can someone will provide a lead? Mayo Clinic Portal
Thanks & Regards,
Ajita

Hello,

To achieve on the fly display rotation without restarting the Weston service on an IMX8MM platform running Yocto 5.4.70 with XWayland, you can use the Weston's `weston-transform` tool. This tool allows you to manipulate the transformation properties of an output while Weston is running.

For example, to rotate the display 90 degrees clockwise, you can use the following command:

weston-transform -r 90

Replace `90` with the desired rotation angle. Make sure to specify the correct output name if you have multiple outputs.

By utilizing `weston-transform`, you can dynamically apply display rotation without needing to modify the weston.ini configuration or restarting the Weston service. This is useful for situations where you need real-time adjustments to the display orientation.

If this information helps you, please mark the answer as the best.

Re: Display rotation on the fly

ajita02 — Thu, 24 Aug 2023 08:47:01 GMT

Hi all,

I have a QT application running. I want to rotate display direction without restarting the weston as It will abrupt my running QT application.

Please provide me a lead.

Thanks,

Ajita

Re: Display rotation on the fly

jimmychan — Thu, 24 Aug 2023 09:01:49 GMT

Have you try xrandr command?

https://www.x.org/releases/X11R7.5/doc/man/man3/Xrandr.3.html

Re: Display rotation on the fly

ajita02 — Thu, 24 Aug 2023 09:05:42 GMT

Hi @jimmychan,
root@imx8mmevk:~# xrandr -o left
Failed to change the screen configuration!
root@imx8mmevk:~# xrandr -q
Screen 0: minimum 16 x 16, current 960 x 480, maximum 32767 x 32767
XWAYLAND0 connected 960x480+0+0 left (normal left inverted right x axis y axis) 0mm x 0mm
480x960 59.53*+
root@imx8mmevk:~# xrandr --output XWAYLAND0 --rotate right
xrandr: Configure crtc 0 failed

Re: Display rotation on the fly

ajita02 — Thu, 24 Aug 2023 09:07:06 GMT

I found xrandr doesnt work when we using xwayland image. Only weston utilities works, x11 doesnt.

Re: Display rotation on the fly

ajita02 — Fri, 25 Aug 2023 05:29:13 GMT

Hi @Allisonsnyder ,

There is no utility on imx8mm as weston-transform. I found weston-transformed but it doesnt have rotation as parameter.

**************************************************************
root@imx8mmevk:~# weston-transformed -r 90
Usage: transformed [OPTIONS]

-w <width> Set window width to <width>
-h <height> Set window height to <height>
--help Show this help text

This version has been fixed for https://gitlab.freedesktop.org/wayland/weston/issues/99 .

**************************************************************

It basically created black screen on of WxH dimension. Anything else I can try out?

Thanks,

Ajita

Re: Display rotation on the fly

ajita02 — Fri, 25 Aug 2023 09:40:11 GMT

This issue is crucial to our project. I request NXP support team to provide us a lead.

Re: Display rotation on the fly

ajita02 — Thu, 31 Aug 2023 06:04:31 GMT

Please provide us a lead as it is a blocking for our development. If its not achievable please mention it.

Re: Display rotation on the fly

jimmychan — Thu, 31 Aug 2023 07:49:14 GMT

Maybe this help you.

https://github.com/shyzus/gnome-shell-extension-screen-autorotate

Re: Display rotation on the fly

ajita02 — Fri, 01 Sep 2023 10:03:27 GMT

It wont work as imx8mm xwayland doesnt have support of gnome-shell.

Re: Display rotation on the fly

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Re: Display rotation on the fly

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