Created
September 23, 2017 10:27
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Intel GPU screen tearing fix
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| To check if OpenGL OMTC is enabled, go to about:support and under the "Graphics" section look for "GPU Accelerated Windows". If it reports "0/1 Basic (OMTC)" (possibly 0/2), OpenGL OMTC is disabled; if it reports "1/1 OpenGL (OMTC)" (possibly 1/2 or 2/2) it is enabled. | |
| To enable OpenGL OMTC go to about:config and set: | |
| layers.acceleration.force-enabled true | |
| layers.offmainthreadcomposition.enabled true (default) | |
| Restart Firefox for changes to take effect. |
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| # /usr/share/X11/xorg.conf.d/90-intelgpu.conf | |
| Section "Device" | |
| Identifier "Device0" | |
| Driver "intel" | |
| BusID "PCI:0:2:0" | |
| Option "AccelMethod" "sna" | |
| Option "DRI" "true" | |
| Option "TearFree" "true" | |
| Option "DRI" "3" | |
| EndSection |
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