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Posted on 13/09/2016 by Gustavo Padovan in Blog
When it comes to buffer sharing synchronization in the kernel there are two ways of doing it: Implicit Fencing and Explicit Fencing. The difference between them relies on the fact that the kernel may or may not share synchronization information with userspace,…
Posted on 05/09/2016 by Mark Filion in News and Events
Collabora will be exhibiting at IBC 2016, the premier annual event for professionals engaged in the creation, management and delivery of entertainment and news content worldwide.
Posted on 02/09/2016 by Robert Foss in Blog
Developing Linux for Android on Qemu allows you to do some things that are not necessarily possible using the stock emulator. For my purposes I need access to a GPU and be able to modify the driver, which is where Virgilrenderer and Qemu comes in handy.
Posted on 23/08/2016 by Helen Fornazier in Blog
Nowadays, in Google Cloud Engine (GCE), it is possible to attach a local SSD with the NVMe interface to your virtual machine. Unfortunately, you only get a good number of iops (input/output operations per second) if you instantiate a machine with nvme-backports-debian-7-wheezy…
Posted on 12/08/2016 by Philip Withnall in Blog
I have recently been involved in reviewing some large feature patchsets for a project at work, and thought it might be interesting to discuss some of the principles we have been trying to stick to when going about these reviews.
Posted on 05/08/2016 by Timothy Arceri in Blog
For years the open source Linux OpenGL drivers have been playing catchup to the proprietary drivers and in the case of Intel hardware to the Windows driver. Recently, a major milestone was reached in bridging this gap with the enablement of OpenGL 4.4…
Posted on 26/07/2016 by Gustavo Padovan in Blog
Linux Kernel 4.7 was released this week with a total of 36 contributions from five Collabora engineers. It includes the first contributions from Helen as Collaboran and the first ever contributions on the kernel from Robert Foss. Here are some of the…
Posted on 08/07/2016 by Nicolas Dufresne in Blog
For a long time I believed that echo cancellers had no place inside GStreamer. The theory was that GStreamer was too high level and would never be able to provide accurate enough delay information for any canceller to work.
Posted on 04/07/2016 by Lubosz Sarnecki in Blog
The dawn of VR video players demand new features in terms of projection and hardware access. In his recent R&D work, a Collaboran implemented a way to view spherical videos with GStreamer on a Virtual Reality headset. In this article, he gives his thoughts…
Posted on 30/06/2016 by Mark Filion in News and Events
Collabora is proud to be sponsoring DebConf16, the annual Debian developers meeting, taking place in Cape Town, South Africa, from 2 July to 9 July 2016.
Posted on 27/06/2016 by Frédéric Plourde in Blog
I’ve been fortunate enough lately to attend the largest virtual reality professional event/conference : SVVR. This virtual reality conference’s been held each year in the Silicon Valley for 3 years now. This year, it showcased more than 100 VR companies…
Posted on 21/03/2017 by Gabriel Krisman Bertazi in Blog
Modern CPUs implement a number of technologies that may affect application performance in unpredictable ways. Figuring out what is going wrong with an application can be a hard task, but it can become much easier with the correct analysis tools.
Posted on 13/03/2017 by Frédéric Dalleau in Blog
Once you've setup a virtual machine in QEMU using debootstrap, there are a number of tools available for testing, tracing and debugging, such as Kmemleak for memory leaks, GDB (GNU Debugger), ftrace et dynamic_debug.
Posted on 08/03/2017 by Robert Foss in Blog
Before being able to write firmware data to any production Chromebook device, the Write-Protect screw has to be removed.
Posted on 01/03/2017 by Daniel Stone in Blog
The past few months have been busy ones on the open-source graphics front, bringing with them Wayland 1.13, Weston 2.0 and Mesa 17.0. Here's a look at some of these developments, including Collabora's behind-the-scenes work on performance improvement.
Posted on 23/02/2017 by Robert Foss in Blog
How to create your custom Android image, and APK app(s), all at once.
Posted on 16/02/2017 by Robert Foss in Blog
How to set up a fully functional ChromiumOS development environment on actual Chromebook hardware.
Posted on 09/02/2017 by Varad Gautam in Blog
Over the past few weeks, I have been working for Collabora on plumbing DRM format modifier support across a number of components in the graphics stack. This post documents the work and the related consequences/implications.
Posted on 26/01/2017 by Gustavo Padovan in Blog
In the last two articles we talked about how Explicit Fencing can help the graphics pipeline in general and what happened on the effort to upstream the Android Sync Framework. Now on the third and final post of this series we will go through the Explicit…
Posted on 24/01/2017 by Tomeu Vizoso in Blog
Last month I gave a short talk about the Chamelium board from the ChromeOS team, a board that is getting more and more usage outside of Google as it can help you automate the testing of your display (and not only!) code and hardware.
Posted on 16/01/2017 by Frédéric Dalleau in Blog
A look at the fundamentals of building and booting a kernel in QEMU using debootstrap, so you have the needed infrastructure to test your kernel changes in QEMU.
Posted on 14/12/2016 by Gustavo Padovan in Blog
Linux Kernel 4.9 was released this week and once more Collabora developers took part on the kernel development cycle. This time we contributed 36 patches by 11 different developers, our highest number of single contributors in a kernel release ever. Remember…
Posted on 22/11/2016 by Gustavo Noronha in Blog
Our ongoing work on improving WebKitGTK+ performance brought us to take a closer look as to why GTK+ was experiencing significant speed issues when used with Wayland and HiDPI screens, revealing the root cause to be within the lower level toolkit.
Posted on 09/03/2018 News & Eventsby Mark Filion in
It's that time of the year again! The snow has melted, spring is right around the corner and the annual Embedded Linux Conference begins next week in Portland! If you are planning on attending, come say hello or catch one of our three presentations!
Posted on 26/02/2018 News & Eventsby Mark Filion in
This week, we're in Nuremberg, Germany to take part in this year's edition of Embedded World, the leading international fair for embedded systems! Come say hello, booth 4-170!
Posted on 29/01/2018 by Gustavo Padovan in News & Events
Linux Kernel 4.15 was released yesterday, and it once again contained patches contributed by Collabora, including bigger patchsets like V4L2 Explicit Synchronization and UTF-8 case insensitive lookups for EXT4.
Posted on 26/01/2018 by Mark Filion in News & Events
Brussels, here we come! We're thrilled to be sponsoring this year's edition of FOSDEM, taking place in just over a week's time (February 3 & 4), at the Université Libre de Bruxelles. Come say hello, or catch one of a dozen talks given by Collaborans!
Posted on 19/12/2017 by Mark Filion in News & Events
For a second time this year, Collabora is proud to be sponsoring the latest round (Round 15) of Outreachy internships! More specifically, Collabora has chosen to sponsor the Linux kernel projects for the December 2017 - March 2018 semester.
Posted on 14/12/2017 by Jassie Badion in News & Events
With less than 12 days to go before Christmas, here are 12 reasons, from 12 different people who became Collaborans this year, on why you should consider joining our team!
Posted on 28/11/2017 by Mark Filion in News & Events
We're delighted to be one of the 33 new members of the Secure Reliable Transport (SRT) Alliance, a group dedicated to accelerating interoperability of video streaming solutions and fostering collaboration with industry leaders to achieve lower latency…
Posted on 16/11/2017 by Mark Filion in News & Events
We're headed to France’s southern Occitanie region to attend and sponsor the 6th edition of Capitole du Libre, a weekend dedicated to free and Open Source software!
Posted on 13/11/2017 News & Eventsby Gabriel Krisman Bertazi in
Linux Kernel 4.14 is out, and once again Collabora developers were very active, contributing nearly 200 patches, reviews & sign-offs combined during this development cycle!
Posted on 10/11/2017 by Mark Filion in News & Events
We're very excited to be sponsoring and speaking at the very first Linux Developer Conference Brazil, taking place on November 11 at the Instituto de Computação in Campinas!
Posted on 08/11/2017 by Mark Filion in News & Events
On November 8, we'll be in Düsseldorf, Germany, to take part & exhibit at the 1st edition of the Renesas European R-Car Consortium Forum, a one-day event aimed at bringing together OEMs and Tier1s to discuss the future of car mobility.
Here's where we'll be in the coming weeks – come say hello!
February 27–March 1, Nuremberg
March 12–14, Portland