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Initcalls, part 2: Digging into implementation

September 25, 2020 by Mylène Josserand  |   Blog

In this second part of this blog post series on Linux kernel initcalls, we'll go deeper into implementation, with a look at the colorful __device_initcall() macro, the rootfs initcall, and how modules can be executed.

Initcalls, part 2: Digging into implementation

Open Source meets Super Resolution, part 1

September 21, 2020 by Marcus Edel  |   Blog

Introducing an accurate and light-weight deep network for video super-resolution upscaling, running on a completely open source software stack using Panfrost, the free and open-source graphics driver for Mali GPUs.

Open Source meets Super Resolution, part 1

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

Integrating libcamera into PipeWire

September 11, 2020 by Raghavendra Rao  |   Blog

PipeWire continues to evolve with the recent integration of libcamera, a library to support complex cameras. In this blog post, I'll explain why libcamera exists, what it does, and how we integrated it in PipeWire.

Integrating libcamera into PipeWire

Pushing pixels to your Chromebook

August 31, 2020 by Emil Velikov  |   Blog

A high-level introduction of the Linux graphics stack, how it is used within ChromeOS, and the work done to improve software rendering (while simultaneously improving GPU rendering by reducing the boilerplate needed in applications).

Pushing pixels to your Chromebook

Using the Linux kernel's Case-insensitive feature in Ext4

August 27, 2020 by Gabriel Krisman Bertazi  |   Blog

Last year, a (controversial) feature was added to the Linux kernel to support optimized case-insensitive file name lookups in the Ext4 filesystem. Here's a look at why this was merged, what improvements have been made since, and how to put it to work.

Using the Linux kernel's Case-insensitive feature in Ext4

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

Panfrost performance counters with Perfetto

August 21, 2020 by Antonio Caggiano  |   Blog

We have now integrated Mali GPU hardware counters supported by Panfrost with Perfetto's tracing SDK, unlocking all-in-one graphics-aware profiling on Panfrost systems!

Panfrost performance counters with Perfetto

High bitrate video streaming with GStreamer's RTP elements

August 20, 2020 by Antonio Ospite  |   Blog

Key performance improvements and fixes to GStreamer's RTP stack have landed in GStreamer 1.18, due in the coming months. The latest enhancements provide an important boost in throughput, opening the gate to high bitrate video streaming.

High bitrate video streaming with GStreamer's RTP elements

Understanding computer vision & AI, part 1

August 13, 2020 by Marcus Edel  |   Blog

Following our recent presentation at OSSummit, many showed interest in learning more about solving real-world problems with computer vision. Here is a new blog series, on computer vision, object detection, and building a system on the edge.

Understanding computer vision & AI, part 1

Testing Weston DRM/KMS backends with virtme and VKMS

August 07, 2020 by Leandro Ribeiro  |   Blog

Recent work in Weston, the industry-standard Wayland compositor, has enabled DRM/KMS backends to be tested in the absence of real hardware, enabling more battle testing of corner-case and error conditions within automated testing frameworks.

Testing Weston DRM/KMS backends with virtme and VKMS

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!

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

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

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

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

Taming the Panthor: OpenGL ES 3.1 conformance achieved on Mali-G610

July 15, 2024 by Eric Smith  |   News & Events

The Panthor kernel driver and Mesa Panfrost driver combination has achieved official conformance for OpenGL ES 3.1 on the Mali-G610 chip, ensuring reliable performance for users on Mesa version 24.1.1.

Taming the Panthor: OpenGL ES 3.1 conformance achieved on Mali-G610

ElectricMaple: Open Source remote-rendering debuts at AWE 2024

June 19, 2024 by Mark Filion  |   News & Events

Making its debut this week at Augmented World Expo (AWE) in Long Beach, ElectricMaple is an innovative, open source project by Collabora and PlutoVR designed to enhance standalone XR experiences through remote-rendering.

ElectricMaple: Open Source remote-rendering debuts at AWE 2024

Making a spatial impact at AWE 2024

May 30, 2024 by Kara Bembridge  |   News & Events

Join us at Augmented World Expo for a first-hand look at our recent XR work including ElectricMaple remote rendering, and xrdesktop showcasing a fully open-source 3-window desktop configuration with gaze-driven window selection.

Making a spatial impact at AWE 2024

Mesa 24.1 brings new hardware support for Arm and NVIDIA GPUs

May 22, 2024 by Faith Ekstrand  |   News & Events

Mesa 24.1 is out, and the graphics team at Collabora has been working hard to bring a slew of new features and bug fixes to Panfrost, Zink, NVK, and Mesa in general. Here's a look at their contributions for this release cycle.

Mesa 24.1 brings new hardware support for Arm and NVIDIA GPUs

Implementing DRM format modifiers in NVK

May 16, 2024 by Faith Ekstrand  |   News & Events

This week we merged support for the VK_EXT_image_drm_format_modifier extension in NVK, the new open-source Vulkan driver for NVIDIA hardware. We've also back-ported the code to the Mesa 24.1 staging branch, part of the upcoming Mesa 24.1 release.

Implementing DRM format modifiers in NVK

Kernel 6.9: Enable, test, repeat

May 14, 2024 by Nícolas Prado  |   News & Events

Collabora's engineers continue to be involved in the hardware enablement for a few different system-on-chips (SoCs) and platforms, and have also contributed significant improvements to kernel testing.

Kernel 6.9: Enable, test, repeat

SteamOS 3.6: How the Steam Deck atomic updates are improving

May 10, 2024 by Ludovico de Nittis  |   News & Events

Highlighting some of the key changes Collabora worked on with Valve to improve the system update tooling on SteamOS, including the move to Desync, making applying system updates significantly faster and more reliable.

SteamOS 3.6: How the Steam Deck atomic updates are improving

Debuting at IOT Solutions World Congress

May 09, 2024 by Kara Bembridge  |   News & Events

This year will be Collabora's first time exhibiting at IOTSWC, in partnership with STMicroelectronics. Collabora will be showcasing how the STM32MP2 is an ideal chip to enable edge AI solution in industrial environments.

Debuting at IOT Solutions World Congress

Effortless GStreamer Analytics Cross-Platform Support via ONNX Runtime

April 29, 2024 by Aaron Boxer  |   News & Events

GStreamer's support for diverse hardware and software platforms extends to its upstream Machine Learning capabilities, exemplified by its cross-platform ONNX Runtime implementation.

Effortless GStreamer Analytics Cross-Platform Support via ONNX Runtime

Collabora, not just Earth Day. Every day.

April 22, 2024 by Kara Bembridge  |   News & Events

As part of our commitment to social responsibility, we've been part of the 1% for the Planet Network since 2022. The environmental partners we support help to better the planet.

Collabora, not just Earth Day. Every day.

Monado stays ahead: Keeping pace with OpenXR 1.1 for cross-platform, open source XR

April 17, 2024 by Frederic Plourde  |   News & Events

Monado, the cross-platform open source XR runtime, has recently received significant updates to align with the features and specifications of OpenXR 1.1, ensuring compatibility and optimal performance for developers and users alike.

Monado stays ahead: Keeping pace with OpenXR 1.1 for cross-platform, open source XR

Blast from the past at Embedded World: Atari plays for Linux

April 11, 2024 by Kara Bembridge  |   News & Events

Adhering to the fundamentals of open source, the Atari VCS OS is based on Debian using the Apertis infrastructure, and the graphics rely on Weston as its Wayland compositor.

Blast from the past at Embedded World: Atari plays for Linux

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FOSDEM

February 1-2, Brussels, Belgium

 

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