wiki.archlinux.org/title/ATI#Driver_options

in /etc/X11/xorg.conf:



All tearfree does is defer vsync to the hardware, but it guarantees no tearing and smoother rendering, "for me it's a huge upgrade, great for gaming" [damentz, liquorix]. If your system runs slower after this, remove the accelmethod line but you should be fine otherwise

Acceleration architecture; Glamor is available as a 2D acceleration method implemented through OpenGL, and it is the default for R600 (Radeon HD2000 series) and newer graphic cards. Older cards use EXA.

Glamor is used by intel and amd, it's a single opengl implementation that's optimized for desktop use. It does away with all the individual oem implementations
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