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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

Machine Learning with Etnaviv and OpenCL

December 15, 2022 by Italo Nicola  |   Blog

Machine learning is increasingly seeing more applications and it's important to have FOSS options to accelerate such workloads. With that in mind, we began an effort earlier this year to get a TFLite model running on a VIM3 NPU using Etnaviv and OpenCL.

Machine Learning with Etnaviv and OpenCL

Tracing stateless video hardware decoding in V4L2

December 02, 2022 by Deborah Brouwer  |   Blog

Earlier this year, I joined Collabora for a six-month internship to learn how V4L2 (Video4Linux2) supports stateless video hardware decoding, and build a utility that traced and replayed stateless decoding from a userspace perspective.

Tracing stateless video hardware decoding in V4L2

From Lua to JSON: refactoring WirePlumber's configuration system

October 27, 2022 by Ashok Sidipotu  |   Blog

With the upcoming 0.5 release, WirePlumber's configuration system will be moving to a JSON syntax to define settings, bringing a more unified configuration approach across the PipeWire ecosystem.

From Lua to JSON: refactoring WirePlumber's configuration system

A look at Vulkan extensions in Venus

October 19, 2022 by Igor Torrente  |   Blog

Venus is a virtual Vulkan driver based on the Virtio-GPU protocol, which defines the serialization of Vulkan commands between guest and host. Here's a closer look at Venus, its components, and their relations in the context of extensions.

A look at Vulkan extensions in Venus

Carlafox, an open-source web-based CARLA visualizer

October 11, 2022 by Vineet Suryan  |   Blog

Taking one step towards democratizing the daunting task of dataset generation by making image synthesis and automatic ground truth data generation maintainable, cheaper, and more repeatable.

Carlafox, an open-source web-based CARLA visualizer

Open source machine learning for video compression

September 14, 2022 by Marcus Edel  |   Blog

Using open source software, Collabora has developed an efficient compression pipeline that enables a face video broadcasting system that achieves the same visual quality as the H.264 standard while only using one-tenth of the bandwidth.

Open source machine learning for video compression

Improving Vulkan graphics state tracking in Mesa

September 07, 2022 by Faith Ekstrand  |   Blog

Introducing new common code for Mesa Vulkan drivers to support a new Vulkan extension, making it easier for app and game authors to manage Vulkan state - and easier for our drivers too.

Improving Vulkan graphics state tracking in Mesa

Using a Raspberry Pi as a Bluetooth speaker with PipeWire

September 02, 2022 by Frederic Danis  |   Blog

Using PipeWire, WirePlumber and a Raspberry Pi, you can create an audio bridge between a Bluetooth® device and an analog speaker system, breathing new life into your old speakers.

Using a Raspberry Pi as a Bluetooth speaker with PipeWire

Introducing the r600/NIR back-end

July 07, 2022 by Gert Wollny  |   Blog

Adventures in NIR-land: the past, the present, and what's lies ahead for the native NIR back-end for Mesa's R600 driver.

Introducing the r600/NIR back-end

Adding secondary command buffers to PanVk

June 15, 2022 by Manas Chaudhary  |   Blog

Getting PanVk, an open source driver for Arm Mali Midgard and Bifrost GPUs, closer to conformancy by implementing one of the core Vulkan features: support for secondary command buffers.

Adding secondary command buffers to PanVk

Bridging the synchronization gap on Linux

June 09, 2022 by Faith Ekstrand  |   Blog

After fighting with the divide between implicit and explicit synchronization with Vulkan on Linux for over seven years, we may finally have some closure. We're not to synchronization nirvana quite yet, but this is an important step along the way.

Bridging the synchronization gap on Linux

Monado's hand tracking: hand-waving our way towards a first attempt

May 31, 2022 by Moses Turner  |   Blog

Optical hand tracking for XR has a bit of a reputation - getting training data, training neural nets, and deploying them in real-time, low-latency environments such as XR is every bit as hard as they say it is.

Monado's hand tracking: hand-waving our way towards a first attempt

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