====== Screen Tear Fix Kde ======

**General Information**

Fixing screen tearing in KDE. 

**Checklist**
  * KDE Plasma (KDE 5)

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====== Full Screen Repaints ======

Full screen repaints sometimes fix issues. (There is a warning that there is performance impacts, not sure how much)

  * Open "System Settings"
  * Under "Hardware", click "Display and Monitor"
    * Click "Compositor"
    * Next to "Tearing prevention (vsync):", click the drop down box and select "Full screen repaints"
    * Click Apply

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====== Kwin Environmental Vars ======

The Kwin environmental variables solution does not impact performance like other solutions on the internet suggesting Full Composition Pipelining.

\\
  * Create a new file and add some environmental variables.<code bash>sudo vim /etc/profile.d/kwin.sh

#!/bin/bash
# Prevents screen tearing with NVIDIA Drivers (Only enable 1 at a time)
export __GL_YIELD="USLEEP"
#export KWIN_TRIPLE_BUFFER=1
</code>
    * Try first with USLEEP.
    * If that doesn't help, comment out that line and uncomment the Triple Buffer line.

  * Source the file to pick up the new variables<code bash>source /etc/profile.d/kwin.sh</code>

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