google-chrome

ubuntu

webgl

mesa

"how to force chrome to use mesa software driver for webgl" Code Answer

i don't have a linux box so i can't check but you can specify a prefix chrome will use for launching the gpu process with

--gpu-launcher=<prefix>

it's normally used for debugging for example

--gpu-launcher="xterm -e gdb --args"

when chrome launches a process it calls spawn. normally it just launches

path/to/chrome <various flags>

--gpu-launcher lets you add a prefix to that. so for example

 --gpu-launcher=/usr/local/yourname/launch.sh

would make it spawn

 /usr/local/yourname/launch.sh path/to/chrome <various flags>

you can now make /usr/local/yourname/launch.sh do whatever you want and finally launch chrome. the simplest would be something like

#!/bin/sh
"$@"

in your case i'd guess you'd want

#!/bin/sh
export libgl_always_software=1
"$@"

be sure to mark launch.sh as executable.

given the script above this worked for me

/opt/google/chrome/chrome --ignore-gpu-blacklist --gpu-launcher=/usr/local/gman/launch.sh

after which about:gpu gives me

gl_vendor   vmware, inc.
gl_renderer gallium 0.4 on llvmpipe (llvm 0x301)
gl_version  2.1 mesa 9.0.3

By Black0ut on May 4 2022

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