News & Blog

News, Events & Blogs

News & Blog

The latest from our Open Source experts

Search the newsroom

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

Improving the reliability of file system monitoring tools

March 14, 2022 by Gabriel Krisman Bertazi  |   Blog

Every file system used in production has tools to try to recover from system crashes. To provide a better infrastructure for those tools, our kernel team developed FAN_FS_ERROR, a new fanotify event which monitors error notifications.

Improving the reliability of file system monitoring tools

PipeWire: A year in review & a look ahead

March 08, 2022 by George Kiagiadakis  |   Blog

The PipeWire project made major strides over the past few years, bringing shiny new features, and paving the way for new possibilities in the Linux multimedia scene. A look what was accomplished in 2021, and what lies ahead for 2022.

PipeWire: A year in review & a look ahead

Landing a new syscall: What is futex?

February 08, 2022 by André Almeida  |   Blog

Over the past 18 months, we have been on a roller-coaster ride developing futex2, a new set of system calls. As part of this effort, the futex_waitv() syscall has now landed in Linux 5.16. But what exactly is futex?

Landing a new syscall: What is futex?

Writing an open source GPU driver - without the hardware

January 27, 2022 by Alyssa Rosenzweig  |   Blog

Until now, no Valhall devices (Mali-G57, Mali-G78) ran mainline Linux - whilst this made driver development obviously difficult, there’s no better time to write drivers than before the devices even get into the hands of end users.

Writing an open source GPU driver - without the hardware

A Pixel's Color & new documentation repository

January 25, 2022 by Pekka Paalanen  |   Blog

My work on Wayland and Weston color management and HDR support has been full of learning new concepts and terms. Many of them are crucial for understanding how color works, and what the values in a pixel actually mean.

A Pixel's Color & new documentation repository

Wine on Wayland year-end update: improved functionality & stability

December 22, 2021 by Alexandros Frantzis  |   Blog

It has been just over a year since we first announced our effort to implement a Wayland driver for Wine. Here's a recap of what has been done since then to improve both the functionality and stability of the driver.

Wine on Wayland year-end update: improved functionality & stability

Venus on QEMU: Enabling the new virtual Vulkan driver

November 26, 2021 by Antonio Caggiano  |   Blog

A step-by-step guide on how to enable 3D acceleration of Vulkan applications in QEMU through the new Venus experimental Vulkan driver for VirtIO-GPU with a local development environment.

Venus on QEMU: Enabling the new virtual Vulkan driver

Run your own CI pipeline with GStreamer's new monorepo

October 26, 2021 by Xavier Claessens  |   Blog

Maintaining a non-trivial set of GStreamer patches can be tricky. Thanks to the recent move to a single, unified git repo, you can now easily run a GStreamer continuous integration pipeline on your own GitLab instance. Here's how.

Run your own CI pipeline with GStreamer's new monorepo

Improving test coverage for cameras in KernelCI

October 08, 2021 by Nícolas F. R. A. Prado  |   Blog

Earlier this year, I joined Collabora as an intern to work on improving testing in libcamera and automating it through KernelCI. Having recently completed the internship, here's a look back at this experience and what was accomplished.

Improving test coverage for cameras in KernelCI

A tale of two toolchains and glibc

September 30, 2021 by Adrian Ratiu  |   Blog

With the LLVM toolchain seeing increasing development and adoption alongside the older, more established GNU toolchain, projects needing to support both, in particular the GNU C library (glibc), are facing challenges and questions.

A tale of two toolchains and glibc

An xrdesktop summer of code

September 10, 2021 by Lubosz Sarnecki  |   Blog

This summer, Christoph Haag and I had the pleasure of taking part in Google Summer of Code as mentors for xrdesktop, the Open Source project bringing the Linux desktop to VR on Valve's SteamVR & Monado. Here's what was accomplished.

An xrdesktop summer of code

Adding VP9 and MPEG2 stateless support in v4l2codecs for GStreamer

June 23, 2021 by Daniel Almeida  |   Blog

Earlier this year, from January to April 2021, I worked on adding support for stateless decoders for GStreamer as part of a multimedia internship at Collabora. Here's a recap of this completed work.

Adding VP9 and MPEG2 stateless support in v4l2codecs for GStreamer

The next step for NVK: Merging into Mesa!

July 26, 2023 by Kara Bembridge  |   News & Events

After months of work, led by Collabora's own Faith Ekstrand, Red Hat's Karol Herbst, and numerous open source contributors, NVK is now considered ready to be merged into the main Mesa project.

The next step for NVK: Merging into Mesa!

A helping Arm for Panfrost

July 20, 2023 by Daniel Stone  |   News & Events

Collabora continues to relentlessly shift the needle to make high-quality open-source software not just an aspiration, but an expectation. We're pleased to announce an extension of our collaboration with Arm, providing more surety and capability for Panfrost.

A helping Arm for Panfrost

A weekend for developers

July 13, 2023 by Kara Bembridge  |   News & Events

With Black Valley in Norway, and Akademy in Greece, this weekend's plans are all set or computer enthusiasts! Collabora is proud to sponsor both of these events as a chance for communities to come together and strengthen their bonds.

A weekend for developers

Zink brings conformant OpenGL on Imagination GPUs

July 06, 2023 by Erik Faye-Lund  |   News & Events

Today, Imagination Technologies announced they are now using Zink for full OpenGL 4.6 support. This is the first time we've seen a hardware vendor trust Zink enough to completely side-step a native OpenGL driver and use it in a shipping product.

Zink brings conformant OpenGL on Imagination GPUs

Kernel 6.4: More work on MediaTek, Rockchip, and power supply

July 05, 2023 by Rogerio Alves Cardoso  |   News & Events

Released last week, Linux kernel 6.4 brings new features such as support for Intel LAM, user events for tracing, and the ability for the machine keyrings used for Machine Owner Keys to store only CA-enforced keys.

Kernel 6.4: More work on MediaTek, Rockchip, and power supply

NVK update: Enabling new extensions, conformance status & more

June 26, 2023 by Faith Ekstrand  |   News & Events

Looking back, it's amazing how much has happened in NVK in just the last 7 months. If development continues at this crazy pace, we may be looking at a pretty decent driver before too much longer.

NVK update: Enabling new extensions, conformance status & more

Ready to embark for Embedded Open Source Summit

June 22, 2023 by Kara Bembridge  |   News & Events

Taking place at the Prague Congress Centre from June 27 to 30, this new 4-day umbrella event brings multiple conferences, including Automotive Linux Summit (ALS) and Embedded Linux Conference (ELC), all under one roof.

Ready to embark for Embedded Open Source Summit

Making new strides at AWE

May 29, 2023 by Kara Bembridge  |   News & Events

Set in the heart of Silicon Valley, XR enthusiasts are eagerly awaiting to see the latest advancements on display at Augmented World Expo (AWE) 2023.

Making new strides at AWE

Weston 12.0: Highlights and changes for Wayland's reference compositor

May 25, 2023 by Marius Vlad  |   News & Events

Released last week, Weston 12.0 brings a number of highlights including two new backends, support for multiple scanout devices, and the addition of new protocol implementations. Here's a look at some of the changes that have landed in this new version.

Weston 12.0: Highlights and changes for Wayland's reference compositor

Kernel 6.3: MediaTek, Rockchip RK3588 & more

April 25, 2023 by Muhammad Usama Anjum  |   News & Events

Released earlier this week, Linux Kernel 6.3 brings thousands of new lines of code to improve the core kernel, architectural support, networking and filesystems.

Kernel 6.3: MediaTek, Rockchip RK3588 & more

April brings tech events aplenty

April 20, 2023 by Kara Bembridge  |   News & Events

Spring is in bloom in the northern hemisphere, and with it comes three tech events we'll be attending - PyCon US, Shell & Display Next Hackfest, and Linaro Connect!

April brings tech events aplenty

Moving forward with more hands on deck

March 27, 2023 by Kara Bembridge  |   News & Events

It’s no secret that Tech has faced some setbacks lately, namely on the headcount front. Despite these uncertainties, Collabora has had the privilege of increasing our roster with new teammates.

Moving forward with more hands on deck

Search the newsroom

Upcoming Events

Here are the events we'll be attending in the coming weeks – come say hello!

AGL All Member Meeting

July 17-18, Berlin, Germany

 

Featured Video

Open Since 2005 logo

Our website only uses a strictly necessary session cookie provided by our CMS system. To find out more please follow this link.

Collabora Ltd © 2005-2024. All rights reserved. Privacy Notice. Sitemap.