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Bag of Freebies for XR Hand Tracking: Machine Learning & OpenXR

June 17, 2021 by Marcus Edel  |   Blog

In our previous post, we presented a project backed by INVEST-AI which introduces a multi-stage neural network-based solution. Now let's dive into the machine learning details of our innovative, open source hand-tracking pipeline.

Bag of Freebies for XR Hand Tracking: Machine Learning & OpenXR

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!

An introduction to Linux kernel initcalls

July 14, 2020 by Mylène Josserand  |   Blog

Initcalls, which serve to call functions during boot, were implemented early on in the development of the Linux Kernel. Read on as we take a closer look, including their purpose, their usage, ways to debug them (using initcall_debug or FTrace), and more.

An introduction to Linux kernel initcalls

Deep dive into OpenGL over DirectX layering

July 09, 2020 by Louis-Francis Ratté-Boulianne  |   Blog

Earlier this year, we announced a new project with Microsoft: the implementation of OpenCL & OpenGL to DirectX translation layers. Here's the latest on this work, including the steps taken to improve the performance of the OpenGL-On-D3D12 driver.

Deep dive into OpenGL over DirectX layering

Using syzkaller, part 4: Driver fuzzing

June 26, 2020 by Ricardo Cañuelo Navarro  |   Blog

Syzkaller is much needed tool for Linux kernel testing and debugging. With some work, it can also be enhanced to find bugs in specific drivers, such as V4L2. Here's how.

Using syzkaller, part 4: Driver fuzzing

Cross building Rust GStreamer plugins for the Raspberry Pi

June 23, 2020 by Guillaume Desmottes  |   Blog

Previously, we discussed about how Rust can be a great language for embedded programming. In this article, we'll explain an easy setup to cross build Rust code depending on system libraries, a common requirement when working on embedded systems.

Cross building Rust GStreamer plugins for the Raspberry Pi

Generating MPEG-DASH streams for Open Source adaptive streaming with GStreamer

June 12, 2020 by Stéphane Cerveau  |   Blog

Adaptive streaming is a technique to provide flexibility and scalability by offering variable bit-rate streams to the client. Here's a quick guide on how to generate a MPEG-DASH stream (the most completely adaptive streaming technique) using GStreamer.

Generating MPEG-DASH streams for Open Source adaptive streaming with GStreamer

Bifrost meets GNOME: Onward & upward to zero graphics blobs

June 05, 2020 by Alyssa Rosenzweig  |   Blog

With only free software, a Mali G31 chip can now run Wayland compositors with zero-copy graphics, including GNOME 3. We can run every scene in glmark2-es2, 3D games like Neverball can be played, and video players mpv and Kodi are now supported.

Bifrost meets GNOME: Onward & upward to zero graphics blobs

Using regmaps to make Linux drivers more generic

May 27, 2020 by Adrian Ratiu  |   Blog

Device drivers can support more revisions and SoC platforms by abstracting away specific hardware interface layouts. Let's examine a specific instance of this process, namely the effort to make the MIPI DSI host controller driver more generic.

Using regmaps to make Linux drivers more generic

Cross-compiling with gst-build and GStreamer

May 15, 2020 by Stéphane Cerveau  |   Blog

gst-build is one of the main build systems used by the community to develop the GStreamer platform. In my last blog post, I presented gst-build and explained how to get started with it. Now, let's get straight to the point regarding cross-compilation.

Cross-compiling with gst-build and GStreamer

Using syzkaller, part 3: Fuzzing your changes

May 12, 2020 by Andre Almeida  |   Blog

In part 2 of this series on syzkaller, we looked at how to install the tool and use it to improve our code base. Now, how does syzkaller report a bug it finds in the execution path of a system call? Let's add a new syscall description and see how it goes.

Using syzkaller, part 3: Fuzzing your changes

WirePlumber, the PipeWire session manager

May 07, 2020 by George Kiagiadakis  |   Blog

An in-depth look at WirePlumber, the modular and extensible session manager for PipeWire that brings advanced device management, policy control and security enforcement capabilities.

WirePlumber, the PipeWire session manager

Reducing the size of a Rust GStreamer plugin

April 28, 2020 by Guillaume Desmottes  |   Blog

With Rust gaining traction among the GStreamer community as an alternative to C to write applications and plugins, we began wondering, could the size of such Rust plugins be a problem for embedded systems?

Reducing the size of a Rust GStreamer plugin

From Bifrost to Panfrost - deep dive into the first render

April 23, 2020 by Alyssa Rosenzweig  |   Blog

The Panfrost project building a free, Open Source graphics driver for modern Mali GPUs has reached a new milestone: the first 3D render, including basic texture support, on a Bifrost chip (Mali G31)!

From Bifrost to Panfrost - deep dive into the first render

Patch Ready for Linux Plumbers 2023

November 09, 2023 by Kara Bembridge  |   News & Events

To ensure the Linux kernel is running smoothly, it requires maintenance from a variety of levels. Those working on the lower levels, or the plumber layers, of the kernel will have a chance to convene next week at the annual Linux Plumbers Conference.

Patch Ready for Linux Plumbers 2023

Benchmarking machine learning frameworks

November 02, 2023 by Vineet Suryan  |   News & Events

MLBench enables developers and maintainers to effortlessly gauge how their frameworks perform compared to other implementations, prior code versions, or across different boards, with respect to both runtime performance and other metrics.

Benchmarking machine learning frameworks

Kernel 6.6: Long-awaited features and enhanced hardware support

October 31, 2023 by Laura Nao  |   News & Events

Linux Kernel 6.6 has arrived, bringing a significant amount of new features and performance enhancements. Collabora has actively contributed many patches, including work on MediaTek and Rockchip.

Kernel 6.6: Long-awaited features and enhanced hardware support

X.Org Developer's Conference 2023

October 12, 2023 by Kara Bembridge  |   News & Events

The fall conference season continues next week with the X.Org Developer's Conference, taking place from October 17 to 19 in A Coruna, Spain. Sponsored by Collabora, this event brings together developers with an interest in open graphics.

X.Org Developer's Conference 2023

Pressing play on GStreamer Conference 2023

September 21, 2023 by Kara Bembridge  |   News & Events

Sunny Spain will have multimedia developers on speed dial next week for the 11th edition of the GStreamer Conference, taking place at the Palexco Convention Centre in A Coruña from September 25 to 26.

Pressing play on GStreamer Conference 2023

Perfecting Open Source Recipes in Paris

September 19, 2023 by Kara Bembridge  |   News & Events

The world-renowned culinary scene in The City of Light will be getting a pack of different types of chefs next week for Kernel Recipes and Embedded Recipes. Kernel Recipes kicks off on September 25, then Embedded Recipes from September 28 to 29.

Perfecting Open Source Recipes in Paris

Empowering Open Source at IBC 2023

September 11, 2023 by Kara Bembridge  |   News & Events

Collabora is headed to Amsterdam! This year, we will be showcasing some of our recent work on the DAB protocol, as well as the software integration of LCEVC, MPEG's novel enhancement codec, into the GStreamer multimedia framework.

Empowering Open Source at IBC 2023

Monado SLAM datasets now available

September 11, 2023 by Mateo de Mayo  |   News & Events

The Monado SLAM datasets (MSD) are egocentric visual-inertial SLAM datasets recorded to improve the Basalt-based inside-out tracking component of the Monado project.

Monado SLAM datasets now available

Video codecs: Adding AV1 stateless video decoder support to Linux

September 07, 2023 by Benjamin Gaignard  |   News & Events

The latest mainline Linux kernel (v6.5) includes 22 patches that enable support for the AV1 uAPI and for two stateless video decoders: one for the Rockchip RK3588 and one for MT8195, a MediaTek SoC.

Video codecs: Adding AV1 stateless video decoder support to Linux

Linux kernel 6.5: USB4v2 and Wifi7 have arrived

August 30, 2023 by Adrian Larumbe  |   News & Events

The 6.5 release is here and it comes with many changes. As is often the case, Collabora has been actively involved in the submission of patches, mostly in the task of hardware enablement for Mediatek and Rockchip SoCs.

Linux kernel 6.5: USB4v2 and Wifi7 have arrived

Ready to All Systems Go!

August 23, 2023 by Kara Bembridge  |   News & Events

Set in the captivating city of Berlin, All Systems Go! is ready to explore foundational user-space Linux technologies after a 4-year hiatus.

Ready to All Systems Go!

NVK Has landed!

August 04, 2023 by Faith Ekstrand  |   News & Events

As of today, NVK, the new Vulkan driver for Nvidia GPUs, has landed in the main Mesa branch and will be included as an experimental driver in the 23.3 release of Mesa.

NVK Has landed!

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