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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

Continuous 3D Hand Pose Tracking using Machine Learning & Monado

April 20, 2021 by Marcus Edel  |   Blog

As part of a project backed by INVEST-AI, a program managed by IVADO Labs, we have developed a multi-stage neural network-based solution that accurately locates and tracks the hands despite complex background noise and occlusion between hands.

Continuous 3D Hand Pose Tracking using Machine Learning & Monado

An easy to use MTP implementation for your next embedded Linux project

April 13, 2021 by Andrzej Pietrasiewicz  |   Blog

Did you know you could run a permissively-licensed MTP implementation with minimal dependencies on an embedded device? Here's a step-by-step guide on how to easily run cmtp-responder on a Rock Pi 4 or any other board equipped with a UDC.

An easy to use MTP implementation for your next embedded Linux project

Mesa CI and the power of pre-merge testing

October 08, 2024 by Deborah Brouwer  |   Blog

Having multiple developers work on pre-merge testing distributes the process and ensures that every contribution is rigorously tested before merging.

Mesa CI and the power of pre-merge testing

A shifty tale about unit testing with Maxwell, NVK's backend compiler

August 15, 2024 by Faith Ekstrand  |   Blog

After rigorous debugging, a new unit testing framework was added to the backend compiler for NVK. This is a walkthrough of the steps taken to achieve this.

A shifty tale about unit testing with Maxwell, NVK's backend compiler

A journey towards reliable testing in the Linux Kernel

August 01, 2024 by Laura Nao  |   Blog

We're reflecting on the steps taken as we continually seek to improve Linux kernel integration. This will include more detail about the tests used to enhance the quality of testing processes and coverage.

A journey towards reliable testing in the Linux Kernel

Building a Board Farm for Embedded World

June 27, 2024 by Christopher Obbard  |   Blog

With each board running a mainline-first Linux software stack and tested in a CI loop with the LAVA test framework, the Farm showcased Collabora's recent hardware enablement and Continuous integration (CI) efforts.

Building a Board Farm for Embedded World

Smart audio filters with WirePlumber 0.5

June 26, 2024 by Julian Bouzas  |   Blog

WirePlumber 0.5 arrived recently with many new and essential features including the Smart Filter Policy, enabling audio filters to automatically insert themselves in between client streams and devices.

Smart audio filters with WirePlumber 0.5

The latest on cmtp-responder, a permissively-licensed MTP responder implementation

June 12, 2024 by Andrzej Pietrasiewicz  |   Blog

Part 3 of the cmtp-responder series with a focus on USB gadgets explores several new elements including a unified build environment with Docker and an example strategy for building and deploying to a target.

The latest on cmtp-responder, a permissively-licensed MTP responder implementation

A roadmap for VirtIO Video on ChromeOS: part 3

June 06, 2024 by Daniel Almeida  |   Blog

The final installment of a series explaining how Collabora is helping shape the video virtualization story for Chromebooks with a focus on the future plans for cros-libva and cros-codecs.

A roadmap for VirtIO Video on ChromeOS: part 3

Hacking on the PipeWire GStreamer elements

June 05, 2024 by George Kiagiadakis  |   Blog

Last week I attended the GStreamer spring hackfest in Thessaloniki to work on the PipeWire GStreamer elements and connect with the community.

Hacking on the PipeWire GStreamer elements

Transforming speech technology with WhisperLive

May 28, 2024 by Kara Bembridge  |   Blog

The world of AI has made leaps and bounds from what It once was, but there are still some adjustments required for the optimal outcome. With the help of WhisperLive, VoxAI was able to improve its response time and oratory abilities.

Transforming speech technology with WhisperLive

Re-converging control flow on NVIDIA GPUs - What went wrong, and how we fixed it

April 25, 2024 by Faith Ekstrand  |   Blog

While I managed to land support for two extensions, implementing control flow re-convergence in NVK did not go as planned. This is the story of what went wrong and how we fixed it.

Re-converging control flow on NVIDIA GPUs - What went wrong, and how we fixed it

Automatic regression handling and reporting for the Linux Kernel

March 14, 2024 by Ricardo Cañuelo Navarro  |   Blog

In continuation with our series about Kernel Integration we'll go into more detail about how regression detection, processing, and tracking can be improved to provide a better service to developers and maintainers.

Automatic regression handling and reporting for the Linux Kernel

Almost a fully open-source boot chain for Rockchip's RK3588!

February 21, 2024 by Eugen Hristev  |   Blog

Now included in our Debian images & available via our GitLab, you can build a complete, working BL31 (Boot Loader stage 3.1), and replace the closed binary blob with an open-source binary that anyone can compile.

Almost a fully open-source boot chain for Rockchip's RK3588!

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