Screen tearing

superbit · 07-04-2018, 11:36 AM

What do I need to look at to make sure I have a good configuration of my display for gaming.

First of all, I use a 2560x1440 native resolution monitor. Sometimes, when opening a editor like gedit or a calculator, there are some artifacts on screen for a split second when the application is displayed. I noticed these type of problems are mostly with games and there are some explanations on how to configure games with things like vsync and etc. Sorry, I'm new to this.
My questions: I have an NVIDIA 1050 Ti card which has excellent performance. Is there some setting I should be looking at on my desktop installation to optimize it. So far, I just install default NVIDIA drivers and leave it alone. My monitor is at default 60Hz, but it can be set to 75Hz. What should I use. Is higher always better or is there some balance I need to find per application.
After this setup, I would like to try linux gaming. I downloaded Clonepoint from lgdb.org and the game is stable, but there is tearing when the character sprite is in motion. It's more like a warping if you see it on screen. So since this is happening, there must be something messed up with my configuration. How can I figure out what to do?

coralfang · 07-04-2018, 02:06 PM

I'd recommend turning on the setting ForceFullCompositionPipeline. This usually eliminates most tearing issues with nvidia cards, along with the nvidia driver.

The simplest way to activate this is to launch nvidia-settings. Then navigate to: "X Server Display Configuration".

At the bottom, you should see an "Advanced..." button, click this, then the checkboxes for the option should appear under the resolution settings.

Tick "Force Full Composition Pipeline", and this should eliminate most tearing and solve many vsync issues.

If the option isn't present, or doesn't seem to make any difference, you can also set this option by creating a file in /etc/X11/xorg.conf.d/10-nvidia.conf with these contents:

Code:

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "metamodes" "nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On }"
    Option         "TripleBuffer" "on"
    Option         "AllowIndirectGLXProtocol" "off"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

superbit · 07-04-2018, 02:19 PM

Thanks I will try this.

RadicalDreamer · 07-05-2018, 02:24 AM

I just use ForceCompositionPipeline=On.

Also in Section "Device" I recommend:

Code:

Option "UseNvKmsCompositionPipeline" "false"

which forces the use of the old pipeline because the new one is buggy.
https://devtalk.nvidia.com/default/t...s-on-390-25/11