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Testing cameras with lc-compliance on KernelCI

June 15, 2021 by Nícolas F. R. A. Prado  |   Blog

Initiated as a joint effort by the Google Chrome OS team and Collabora, the recent KernelCI hackfest brought the addition of new tests including the ability to detect regressions on the Linux kernel that can directly affect cameras.

Testing cameras with lc-compliance on KernelCI

Zink: Summer 2021 update

June 14, 2021 by Erik Faye-Lund  |   Blog

There's a lot that has happened in the world of Zink since my last update, so let's see if I can bring you up to date on the most important stuff, including upstream development, support for OpenGL 4.6 & GLES 3.1, and more.

Zink: Summer 2021 update

Open Source OpenGL ES 3.1 on Mali GPUs with Panfrost

June 11, 2021 by Alyssa Rosenzweig  |   Blog

Panfrost, the open source driver for Arm Mali, now supports OpenGL ES 3.1 on both Midgard (Mali T760 and newer) and Bifrost (Mali G31, G52, G72) GPUs, adding a number of features, notably including compute shaders.

Open Source OpenGL ES 3.1 on Mali GPUs with Panfrost

Wine on Wayland meets Vulkan, multi-monitor support & more

June 07, 2021 by Alexandros Frantzis  |   News & Events

We first announced our work on the driver last December, and posted an update earlier this year. We are now happy to announce a second update for this driver, adding several major features which increase its scope and utility.

Wine on Wayland meets Vulkan, multi-monitor support & more

A libweston-based compositor for Automotive Grade Linux

June 02, 2021 by Marius Vlad  |   News & Events

Simplifying AGL's existing Wayland-based graphical stack and avoiding the use of modules that aren't maintained upstream has lead to the creation of a new compositor based on libweston, bringing more reliable and fine-grained system control.

A libweston-based compositor for Automotive Grade Linux

Bridging the OpenGL and Vulkan divide

May 27, 2021 by Rohan Garg  |   News & Events

Thanks to a new, low overhead extension in Mesa, OpenGL and Vulkan applications can now talk to each other, bringing more flexibility to application developers while easing the transition path between the industry-standard Khronos® APIs.

Bridging the OpenGL and Vulkan divide

Optimizing 3D performance with virglrenderer

May 17, 2021 by Gert Wollny  |   Blog

Collabora has been investing into Perfetto to enable driver authors & users to get deep insights into driver internals and GPU performance. Here's how we applied this work to study workloads on the virtualized VirGL implementation.

Optimizing 3D performance with virglrenderer

Mainline Linux gains accelerated video decoding for Microchip's SAMA5D4

May 11, 2021 by Emil Velikov  |   Blog

The Hantro Video4Linux2 (V4L2) kernel module has gained support for another SoC! The Microchip SAMA5D4 features a single decode unit supporting MPEG2, VP8 and H.264 streams, alongside the built-in post-processing unit.

Mainline Linux gains accelerated video decoding for Microchip's SAMA5D4

Quick hack: Patching kernel modules using DKMS

May 05, 2021 by Frederic Danis  |   Blog

DKMS is a framework that is mostly used to build and install external kernel modules. It can also be used to install a specific patch to the modules of the current kernel, such as applying a specific fix to the Bluetooth USB subsystem.

Quick hack: Patching kernel modules using DKMS

Kernel 5.12: Working to close the gap

May 04, 2021 by Ariel D'Alessandro  |   News & Events

With their latest contributions all around the kernel, notably to the Video4Linux APIs and hardware enablement, Collaborans continue to expand on their efforts to close the gap between hardware support on vendor trees and mainline.

Kernel 5.12: Working to close the gap

Build your own application with GTK 4 as a Meson subproject!

April 29, 2021 by Xavier Claessens  |   Blog

Building GTK 4 as a Meson subproject for your own application is not only useful for Windows builds, but also for many Linux distributions that do not yet package a recent enough version of GTK 4 and/or its dependencies.

Build your own application with GTK 4 as a Meson subproject!

Profiling virtualized GPU acceleration with Perfetto

April 22, 2021 by Antonio Caggiano  |   Blog

Recently, we have been using Perfetto to successfully profile Apitrace traces in crosvm through VirGL renderer. We have now added perfetto instrumentation to VirGL renderer, Mesa, and Apitrace to see what happens precisely in a frame.

Profiling virtualized GPU acceleration with Perfetto

Asymmetric Multi Processing with Linux & Zephyr on the STM32MP1

March 03, 2021 by Arnaud Ferraris  |   Blog

In the embedded world, many modern SoCs such as the ST Microelectronics STM32MP1 now include coprocessor cores which can be used for a wide range of tasks and can offload some of the work from the main processor.

Asymmetric Multi Processing with Linux & Zephyr on the STM32MP1

Adding HEVC/H.265 support for NXP's i.MX 8M

February 17, 2021 by Benjamin Gaignard  |   Blog

Our recent efforts on the Hantro kernel driver have resulted in the addition of H.264 decoding support and multiple performance improvements. We are now introducing High Efficiency Video Coding, also known as H.265, decoding support on NXP's i.MX8 M.

Adding HEVC/H.265 support for NXP's i.MX 8M

Network adaptive streaming with Hwangsaeul

February 08, 2021 by Jakub Adam  |   Blog

Hwangsaeul, or H8L, a remote surveillance streaming solution, utilizes the capability of libsrt to collect statistics from open SRT sockets and by continuously analyzing the available data tries to detect potential connectivity issues.

Network adaptive streaming with Hwangsaeul

Trimming apitrace workload captures for better Mesa testing

February 01, 2021 by Gert Wollny  |   Blog

Complex, real-world correctness tests and performance analysis are now possible thanks to gltrim, a new tool recently added to apitrace, designed to trim replayable traces to single, user-defined frames.

Trimming apitrace workload captures for better Mesa testing

GStreamer on Windows: adding WebRTC support to a gst-build install

January 28, 2021 by Aaron Boxer  |   Blog

Earlier this week, WebRTC became an official W3C and IETF standard. GStreamer has a powerful and rapidly maturing WebRTC implementation. So, the obvious question is: how do we build this on Windows?

GStreamer on Windows: adding WebRTC support to a gst-build install

Implementing a performance boosting algorithm in Coccinelle

January 21, 2021 by Jaskaran Singh  |   Blog

Last year, from June to September, I worked on the kernel development tool Coccinelle under Collabora. I implemented a performance boosting algorithm for one of Coccinelle's use cases. Here's a look at this work.

Implementing a performance boosting algorithm in Coccinelle

Desktop OpenGL 3.1 on Mali GPUs with Panfrost

January 13, 2021 by Alyssa Rosenzweig  |   Blog

The open source Panfrost driver for Arm Mali Midgard and Bifrost GPUs now provides non-conformant OpenGL ES 3.0 on Bifrost and desktop OpenGL 3.1 on Midgard (Mali T760 and newer) and Bifrost, in time for Mesa's first release of 2021.

Desktop OpenGL 3.1 on Mali GPUs with Panfrost

Empathy first: Driving growth through people leadership

November 30, 2020 by Eleni Katsoula  |   Blog

This year, the global pandemic has put a strain on us all. Motivation can become hard to maintain, worries can cloud our minds. Now more than ever, it is important to try and connect with our colleagues.

Empathy first: Driving growth through people leadership

Developing Wayland Color Management and High Dynamic Range

November 19, 2020 by Pekka Paalanen  |   Blog

Wayland is still lacking proper consideration for color management & support for high dynamic range (HDR) imagery. However, a group of developers has begun an effort to fix this situation. This is their story.

Developing Wayland Color Management and High Dynamic Range

A summer sprint: bringing near-native performance to Zink

November 06, 2020 by Mike Blumenkrantz  |   Blog

This week marks two years since the OpenGL implementation on Vulkan was initially announced. Since then, and especially over the past few months, much has progressed with many new features being added and performance now close to native (95%!).

A summer sprint: bringing near-native performance to Zink

From Panfrost to production, a tale of Open Source graphics

November 03, 2020 by Alyssa Rosenzweig  |   Blog

Since our previous update on Panfrost, the open source stack for Arm's Mali Midgard and Bifrost GPUs, we've focused on taking our driver from its reverse-engineered origins on Midgard to a mature stack.

From Panfrost to production, a tale of Open Source graphics

Engaging in an "Open First" remote internship at Collabora

October 20, 2020 by Gustavo Noronha  |   Blog

The concept of a remote internship may raise some doubts, or even red flags, for many students, as would remote jobs for professionals. As a result, we pay extra attention to how we onboard and support our interns.

Engaging in an "Open First" remote internship at Collabora

A Wayland driver for Wine

December 15, 2020 by Alexandros Frantzis  |   News & Events

After several months of work, we are excited to announce a first proposal for a Wayland driver for Wine. The proposal is in the form of an RFC, in order to explore how to best move forward with the upstreaming and further development of the driver.

A Wayland driver for Wine

Kernel 5.10: Rockchip, H.264, Bifrost & more!

December 14, 2020 by Ricardo Cañuelo Navarro  |   News & Events

Even amidst the chaos and uncertainty that 2020 brought, Linux Kernel development keeps moving forward at a constant and relentless pace. Collabora remains active, developing, maintaining, documenting and testing many parts of the kernel.

Kernel 5.10: Rockchip, H.264, Bifrost & more!

Linux App Summit 2020

November 12, 2020 by Mark Filion  |   News & Events

Starting today, and running until Saturday, join us at Linux App Summit for a look at Linux graphics, PipeWire, our work with Valve, and a virtual office hour with our Engineering Manager!

Linux App Summit 2020

Monado update: Passing conformance, Android support & more

November 02, 2020 by Jakob Bornecrantz  |   News & Events

Monado 0.4 OpenXR runtime introduces initial support for Android and passes all of the OpenXR conformance tests with both OpenGL and Vulkan on desktop with a simulated device.

Monado update: Passing conformance, Android support & more

Open Source Summit Europe & ELCE 2020

October 22, 2020 by Mark Filion  |   News & Events

The 4-day event is dedicated to everything open source and will showcase a program of 250+ talks. Collaborans will once again be actively participating in the week's activities, with no less than eight presentations, a BoF on KernelCI, and two panel discussions!

Open Source Summit Europe & ELCE 2020

Kernel 5.9: Onwards and upwards

October 22, 2020 by Mylène Josserand  |   News & Events

Collaborans continue to be very active in the Linux kernel, authoring over 150 commits in this release. Here's a look at the improvements, and new features, contributed by our team, notably in hardware support, multimedia, graphics and testing.

Kernel 5.9: Onwards and upwards

Collabora & GStreamer 1.18

October 06, 2020 by Stéphane Cerveau  |   News & Events

A move to GitLab. A switch to the powerful Meson build system. A fast and reliable CI system implemented. The GStreamer community has been busy, bringing a bevy of enhancements to 1.18. Here's a look at the key contributions by Collaborans.

Collabora & GStreamer 1.18

X.Org Developer's Conference 2020

September 15, 2020 by Mark Filion  |   News & Events

The lineup of great virtual conferences continues this week with the 2020 edition of X.Org Developer's Conference (XDC), the leading event for developers working on all things Open graphics, including the Linux kernel, Mesa, DRM, Wayland and X11.

X.Org Developer's Conference 2020

One week, two events: DebConf20 & Linux Plumbers Conference

August 24, 2020 by Mark Filion  |   News & Events

August ends on a high note with two virtual events this week: DebConf20, Debian's annual conference, and Linux Plumbers Conference, the premier event for developers working at all levels of the Linux kernel's plumbing layer and beyond.

One week, two events: DebConf20 & Linux Plumbers Conference

Kernel 5.8: Collabora's biggest & most significant contributions yet!

August 05, 2020 by Dafna Hirschfeld  |   News & Events

The ability for a relatively small software consultancy to contribute at this level demonstrates a fantastic improvement in vendors' mindset when it comes to working Open First and providing mainline support out-of-box as early as possible.

Kernel 5.8: Collabora's biggest & most significant contributions yet!

Lighthouse positional tracking in Monado with libsurvive

July 17, 2020 by Christoph Haag  |   News & Events

HTC Vive (Pro) and Valve Index hardware users can now experiment with positional tracking in Monado, thanks to the implementation of a libsurvive driver using the libsurvive library developed by Charles Lohr, David Berger and many contributors.

Lighthouse positional tracking in Monado with libsurvive

WirePlumber 0.3 released, now ready for the desktop

July 16, 2020 by George Kiagiadakis  |   News & Events

It is with great pleasure that we announce the availability of WirePlumber (the PipeWire session manager) version 0.3.0. This release brings support for desktop use cases and is a working drop-in replacement for PipeWire's example session manager.

WirePlumber 0.3 released, now ready for the desktop

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