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Here are some Firefox about:config
flags that I have enabled. Most of these are for hardware video acceleration on Linux and personal "web viewing" preferences. Hope that some of you find them useful as well.
Hardware Video Acceleration for Linux
Option | Value |
---|---|
gfx.webrender.all |
true |
gl.require-hardware |
true |
layers.acceleration.force-enabled |
true |
media.av1.enabled |
false |
media.ffmpeg.vaapi.enabled |
true |
media.hardware-video-decoding.enabled |
true |
media.hardware-video-decoding.force-enabled |
true |
media.rdd-ffmpeg.enabled |
true |
media.rdd-ffvpx.enabled |
true |
media.rdd-vpx.enabled |
false |
media.utility-ffmpeg.enabled |
true |
widget.wayland-dmabuf-vaapi.enabled |
true |
The following is specifically for Nvidia Machines using libva-nvidia-driver
(from elFarto/nvidia-vaapi-driver)
Option | Value | Reason |
---|---|---|
gfx.x11-egl.force-enabled |
true | Required, this driver requires that Firefox use the EGL backend. It may be enabled by default. It is recommended to test it with the MOZ_X11_EGL=1 environment variable before enabling it in the Firefox configuration. |
widget.dmabuf.force-enabled |
true | Required on NVIDIA 470 series drivers, and currently REQUIRED on 500+ drivers due to a Firefox change. Note that Firefox isn't coded to allow DMA-BUF support without GBM support, so it may not function completely correctly when it's forced on. |
Compact Mode Interface
Option | Value |
---|---|
browser.compactmode.show |
true |
Faster Content Painting
I prefer web pages to "paint" as early as it can, even if I am going to see some page breakage initially. I don't recommend this if you like good UX.
Option | Value | Comment |
---|---|---|
content.notify.backoffcount |
5 | This can be kept at the default value (-1 ), but I've just always had it at 5
|
nglayout.initialpaint.delay_in_oopif |
0 | |
nglayout.initialpaint.delay |
0 |
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