Add Possibility to Auto Fix Tearing

[solus-project]

Add Possibility to Auto Fix Tearing

[ikeydoherty]

Certainly possible, we control GLX after all. Depends on exactly how we we want to expose this, though.
What is the workflow, for example? How is this activated? etc.

[andrebrait]

Are you talking about PRIME Sync? As in having smooth graphics on Intel IGP but tearing when using the NVIDIA GPU?

If you're having tearing even on Intel, it.might be related to not having a compositor running.

[ikeydoherty]

For PRIME mostly its a case of being SoL right now.

[andrebrait]

Yeah, they still have tons of work ahead of them to get PRIME Sync to work well. They're currently dealing with instabilities and stuff like two cursors being present in the screen when it's activated. I've had crashes in some games and whatnot with it turned on.

I wanted to know if OP had problems with that or if it was with another setup because other than PRIME Sync, tearing should already be fixed by now, if using a compositor.

[liberodark]

For intel is more easy IGP from intel all linux dristribution have tearing on intel chipset but have solution for fix that.
And have same possibility on AMD.

Is simple and old solution :

Intel :

(Manjaro) sudo nano /etc/X11/mhwd.d/intel.conf

Install on Solus :

xorg-driver-video-intel

(Solus and Other) sudo nano /etc/X11/xorg.conf.d/20-intel.conf

Put in file "20-intel.conf" :

Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "DRI" "2" # DRI3 is now default
Option "TearFree" "true"
Option "AccelMethod" "sna" # default
Option "AccelMethod" "uxa" # fallback
EndSection

[liberodark]

The best is the addition of putting a tearfree or not!
But first you have to have a hardware detection.
After that it's pretty generic.
But since it is a very common issue under linux, it would be a first linux that does not have tearing and can easily fix it without the command line typing it would be wahoo.
A saving of time and especially an accessibility to the biggest numbers.
Do not you believe?

[ikeydoherty]

Forcing DRI2 will absolutely gimp performance where DRI3 is available. Likewise force enabling UXA is a Very Bad Thing where SNA would be used, a catastrophic performance drop. The only option there of use is Option "TearFree" - which even then would need testing across a wide range of Intel devices to ensure it doesn't introduce regressions.

[liberodark]

Have send just exemple.
But my configuration is this :

Section "Device"
Identifier "Intel Graphics"
Driver "intel"
Option "DRI" "3" # DRI3 is now default
Option "AccelMethod" "sna" # default
EndSection

And not have tearing, tearfree is not a good option, but sna + dri3 is better !

Cordialy