Use osmesa on headless Chromium with Xvfb

Francisco Ávila

unread,

Aug 16, 2013, 6:35:55 PM8/16/13

to chromium...@chromium.org

I'm trying to run WebGL on either Chromium or Chrome in an EC2 instance using Xvfb. I have tried to use Mesa for software rendering but it's not working. I get the following message: "While your browser seems to support WebGL, it is disabled or unavailable. If possible, please ensure that you are running the latest drivers for your video card."

I think I'm not linking osmesa properly. What am I doing wrong?

- Installed Chromium with 'sudo apt-get install chromium-browser'

- Output of 'dpkg -l *mesa*':

Name Version Description

+++-================================-================================-============================================================

un libgl1-mesa-dev <none> (no description available)

ii libgl1-mesa-dri 8.0.4-0ubuntu0.5 free implementation of the OpenGL API -- DRI modules

un libgl1-mesa-dri-experimental <none> (no description available)

rc libgl1-mesa-glx 8.0.4-0ubuntu0.6 free implementation of the OpenGL API -- GLX runtime

un libgl1-mesa-glx-no-multiarch <none> (no description available)

un libgl1-mesa-swrast <none> (no description available)

un libgl1-mesa-swrast-dev <none> (no description available)

ii libgl1-mesa-swx11 8.0.4-0ubuntu0.6 free implementation of the OpenGL API -- runtime

ii libgl1-mesa-swx11-dev 8.0.4-0ubuntu0.6 free implementation of the OpenGL API -- development files

ii libglapi-mesa 8.0.4-0ubuntu0.6 free implementation of the GL API -- shared library

ii libglu1-mesa 8.0.4-0ubuntu0.5 Mesa OpenGL utility library (GLU)

un libosmesa-dev <none> (no description available)

un libosmesa4-dev <none> (no description available)

ii libosmesa6 8.0.4-0ubuntu0.6 Mesa Off-screen rendering extension

ii libosmesa6-dev 8.0.4-0ubuntu0.6 Mesa Off-screen rendering extension -- development files

ii mesa-common-dev 8.0.4-0ubuntu0.6 Developer documentation for Mesa

un mesa-common-dev-lts-quantal <none> (no description available)

un mesa-common-dev-lts-raring <none> (no description available)

un mesa-dev <none> (no description available)

ii mesa-utils 8.0.1+git20110129+d8f7d6b-0ubunt Miscellaneous Mesa GL utilities

un mesag-dev <none> (no description available)

un mesag3 <none> (no description available)

un mesag3+ggi <none> (no description available)

un mesag3-glide <none> (no description available)

un mesag3-glide2 <none> (no description available)

un xlibmesa-dri <none> (no description available)

un xlibmesa-gl-dev <none> (no description available)

un xlibmesa3 <none> (no description available)

un xlibosmesa-dev <none> (no description available)

- Output of 'glxinfo | grep render':

direct rendering: Yes

OpenGL renderer string: Mesa X11

- Output of 'glxinfo | grep OpenGL':

OpenGL vendor string: Brian Paul

OpenGL renderer string: Mesa X11

OpenGL version string: 2.1 Mesa 8.0.4

OpenGL shading language version string: 1.20

- How I run Chromium on Xvfb:

export DISPLAY=:0

xvfb-run --server-num=0 --server-args='-screen 0, 1024x768x24' chromium-browser --ignore-gpu-blacklist --use-gl=/usr/lib/x86_64-linux-gnu/libOSMesa.so --enable-webgl --start-maximized get.webgl.org &

* Note: also tried with --use-gl=osmesa

- How I get a screenshot:

DISPLAY=:0 import -window root getwebgl.png

Thanks.

Kenneth Russell

unread,

Aug 23, 2013, 8:34:16 PM8/23/13

to Francisco Ávila, Chromium-discuss

I think you'll need to check out the top of tree Chromium sources and
build at least the "osmesa" target to get a libosmesa.so known to work
with Chromium, then copy it alongside the "chrome" binary from a
continuous build from
http://commondatastorage.googleapis.com/chromium-browser-continuous/index.html?path=Linux_x64/
and try running again with --use-gl=osmesa .

Running with --enable-logging should produce
~/.config/chromium/chrome_debug.log which may give more hints about
what went wrong.

-Ken

> --
> --
> Chromium Discussion mailing list: chromium...@chromium.org
> View archives, change email options, or unsubscribe:
> http://groups.google.com/a/chromium.org/group/chromium-discuss
>

Kenneth Russell

unread,

Aug 27, 2013, 8:02:01 PM8/27/13

to Francisco Avila, Chromium-discuss

Glad it's working. Sorry for the difficulty.

-Ken

On Tue, Aug 27, 2013 at 11:10 AM, Francisco Avila <elfra...@gmail.com> wrote:
> After compiling chromium from source, it works. It was more work than
> expected on debian.
>
> xvfb-run -f ~/.Xauthority --server-num=0 --server-args='-screen 0,
> 1024x768x24' ./chrome --use-gl=osmesa --enable-webgl --ignore-gpu-blacklist
> --window-size=1024,768 http://get.webgl.org &
>
> -Frank

Francisco Avila

unread,

Aug 27, 2013, 2:10:56 PM8/27/13

to Kenneth Russell, Chromium-discuss

After compiling chromium from source, it works. It was more work than expected on debian.

xvfb-run -f ~/.Xauthority --server-num=0 --server-args='-screen 0, 1024x768x24' ./chrome --use-gl=osmesa --enable-webgl --ignore-gpu-blacklist --window-size=1024,768 http://get.webgl.org &

-Frank

On Fri, Aug 23, 2013 at 5:34 PM, Kenneth Russell <k...@chromium.org> wrote:

Reply all

Reply to author

Forward