screen tearing

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mrguguzai
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screen tearing

Unread post by mrguguzai » Tue Jun 18, 2019 5:49 pm

Just got my N2 today installed latest ubuntu software, i notice the desktop is abit screen tearing especially when i moving the window around. is that normal?

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odroid
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Re: screen tearing

Unread post by odroid » Tue Jun 18, 2019 6:07 pm

This thread might be helpful to improve the desktop GUI performance.
viewtopic.php?f=177&t=34963
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mrguguzai (Tue Jun 18, 2019 6:33 pm)

mrguguzai
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Re: screen tearing

Unread post by mrguguzai » Tue Jun 18, 2019 6:34 pm

odroid wrote:
Tue Jun 18, 2019 6:07 pm
This thread might be helpful to improve the desktop GUI performance.
viewtopic.php?f=177&t=34963
thanks, i tried the code but so many warning and error came out. :lol:

hsu95066
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Re: screen tearing

Unread post by hsu95066 » Tue Jun 18, 2019 10:42 pm

Hi,

There is always a tearing issue on X11 window except full screen mode, even though KMS/DRM video mode. For tear-free purpose, my application often run on minimum image either fbdev or KMS/DRM video mode. There are many issues about video tearing.

FYI,
viewtopic.php?f=29&t=14253&hilit=Tearing#p94113
viewtopic.php?f=146&t=26248&p=186279&hi ... ng#p186279
viewtopic.php?f=99&t=31476&p=233045&hil ... ng#p227976

mrguguzai
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Re: screen tearing

Unread post by mrguguzai » Wed Jun 19, 2019 12:52 am

hsu95066 wrote:
Tue Jun 18, 2019 10:42 pm
Hi,

There is always a tearing issue on X11 window except full screen mode, even though KMS/DRM video mode. For tear-free purpose, my application often run on minimum image either fbdev or KMS/DRM video mode. There are many issues about video tearing.

FYI,
viewtopic.php?f=29&t=14253&hilit=Tearing#p94113
viewtopic.php?f=146&t=26248&p=186279&hi ... ng#p186279
viewtopic.php?f=99&t=31476&p=233045&hil ... ng#p227976
Wow, thanks alot. :)

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Re: screen tearing

Unread post by thomas-teknique » Wed Jun 19, 2019 8:03 am

Wayland has been designed to allow app developers to write apps that won't tear, so maybe switching to Wayland will fix some of the screen tearing issues you are seeing (X11 is notorious for tearing).

Not an ideal solution I know, considering Wayland isn't ready for prime-time yet.

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