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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

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

Alyssa Rosenzweig receives Google Open Source Peer Bonus

April 20, 2020 by Mark Filion  |   Blog

Google Open Source has announced their 2020 first quarter Google Open Source Peer Bonus winners, and Alyssa Rosenzweig, Software Engineer at Collabora, is among the recipients!

Alyssa Rosenzweig receives Google Open Source Peer Bonus

Using syzkaller, part 2: Detecting programming bugs in the Linux kernel

April 17, 2020 by Andre Almeida  |   Blog

In my previous blog post, we discussed the importance of testing, what is fuzzing, and how the syzkaller fuzzes the kernel in order to find bugs. Now, let’s install the tool and starting using it to improve our code base.

Using syzkaller, part 2: Detecting programming bugs in the Linux kernel

Monado accepted for XROS 2023!

March 14, 2023 by Frédéric Plourde  |   News & Events

We're proud to announce that Monado, the free and open source XR platform, has been accepted as a mentoring organization for XROS, the XR Open Source Fellowship Program.

Monado accepted for XROS 2023!

Showcasing the STM32MP1 at Embedded World

March 13, 2023 by Mark Filion  |   News & Events

As a recent new member of STMicroelectronics' Partner Program, we're excited to be showcasing the STM32MP1 at Embedded World this week, our first demo featuring the STM32 platform.

Showcasing the STM32MP1 at Embedded World

Connecting at Embedded World 2023

March 09, 2023 by Kara Bembridge  |   News & Events

Nestled in the historic city of Nuremberg, the annual Embedded World conference will be taking place from March 14 to 16. Collabora will be set up in Hall 4, Booth 4-404, with plenty of space to connect and multiple demos to showcase

Connecting at Embedded World 2023

Monado's "Mercury" hand tracking now ready for use!

February 24, 2023 by Moses Turner  |   News & Events

Work on this new tracking method started around January 2022. Now, after a little over a year of development, Monado's "Mercury" hand tracking is finally ready for the public to use!

Monado's "Mercury" hand tracking now ready for use!

PanCSF: A new DRM driver for Mali CSF-based GPUs

February 23, 2023 by Boris Brezillon  |   News & Events

A look into the new job-scheduling model with Mali GPUs, their support in the new PanCSF DRM driver, and what it means as the rest of the ecosystem also moves to firmware-assisted scheduling.

PanCSF: A new DRM driver for Mali CSF-based GPUs

Kernel 6.2: More Rust support for drivers

February 21, 2023 by Daniel Almeida  |   News & Events

With more SoC support, a new V4L2 driver and a new dma-buf locking convention among its contributions, Collabora was one of the most active employers for this latest kernel development cycle.

Kernel 6.2: More Rust support for drivers

GStreamer 1.22: Bigger and better!

February 08, 2023 by Olivier Crête  |   News & Events

Improved support for hardware accelerated video decoders, new GTK+ integration for Wayland rendering, and further Meson enhancements to make GStreamer shine on embedded, Collabora's multimedia team made a number of key contributions for this latest release.

GStreamer 1.22: Bigger and better!

FOSDEM back in full force for 2023

January 20, 2023 by Kara Bembridge  |   News & Events

After two years of hosting the event virtually, Brussels will once again welcome attendees on February 4 & 5 on the old stomping grounds of the ULB Solbosch Campus. Collabora will be presenting 8 different talks, in 7 devrooms as well as on the main track!

FOSDEM back in full force for 2023

Always growing, always evolving

December 29, 2022 by Kara Bembridge  |   News & Events

With only a few months passing since our last new joiner update, it should come as no surprise that the Collabora crowd has expanded yet again. Our flexible disposition affords us an exceptional bunch to onboard when opportunity knocks.

Always growing, always evolving

Faith Ekstrand is a 2022 Khronie Award recipient!

December 19, 2022 by Kara Bembridge  |   News & Events

Contributing to the Vulkan Working Group since 2015, Faith has continues to make a significant impact. Her expertise and diligence has helped to shape the group and we're proud to see his hard work see some well earned spotlight.

Faith Ekstrand is a 2022 Khronie Award recipient!

Kernel 6.1: Multi-generational improvements

December 13, 2022 by AngeloGioacchino Del Regno  |   News & Events

Collabora's contributions include ongoing upstreaming of the RockChip RK3588 and MediaTek Helio X10 (MT6795) SoCs, numerous bug fixes and improvements for Cedrus and Hantro IPs, and memory shrinker support for the VirtIO-GPU driver.

Kernel 6.1: Multi-generational improvements

Wine on Wayland 2022 update: more games, more apps, more fun!

December 12, 2022 by Alexandros Frantzis  |   News & Events

The focus in 2022 was on maturing the Wayland driver and keeping up to date with the Wine upstream internal changes, which involved updating it for the latest internal driver APIs, and making preparations to support WoW64.

Wine on Wayland 2022 update: more games, more apps, more fun!

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