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Graphics: Etnaviv Gallium3D, ROCK Pi (Panfrost & Wayland) and More

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Graphics/Benchmarks
  • Etnaviv Gallium3D Picks Up A NIR Compiler

    Open-source developer Jonathan Marek merged the support yesterday that allows for a NIR-based compiler as an alternative to its own homegrown compiler infrastructure for dealing with OpenGL shaders. NIR is the "new" Mesa common IR used by the likes of Intel's OpenGL/Vulkan drivers, RADV, optionally for RadeonSI, and other drivers like Freedreno and V3D. By leveraging NIR, this should help in their OpenGL (ES) advancement and potential for squeezing more performance optimizations as the Etnaviv reverse-engineered driver continues maturing.

  • ROCK Pi and an easy place: Panfrost & Wayland on a Rockchip board

    With the release of the 5.2 Linux kernel, you might have noticed that Collabora has done a lot of work with Rockchip's RK3399 platform, more specifically with the ROCK Pi 4 single-board computer.

    Our ongoing work on the reverse-engineered Panfrost OpenGL ES driver for Arm Mali GPUs turns the RK3399 SoC into a very attractive platform to try out Wayland on ARM devices, especially since it's such a versatile platform that is both affordable to buy and is available in multiple form factors, including system-on-module (SoM) and single-board computer (SBC).

  • Intel's Iris Gallium3D Driver Gets A 1 Line Patch To Bump The Performance By ~1%

    Intel's Iris Gallium3D driver as their new OpenGL Linux driver aiming to be the default Mesa driver by year's end continues seeing more performance optimizations now that the fundamentals are in place. The latest optimization is a one line tweak yielding around one percent higher performance across the board.

Michael Larabel in Phoronix

  • ROCK Pi 4 Is Becoming A Good Arm SBC With Panfrost Graphics & Wayland Support

    At $39 to $66 USD depending upon model, the ROCK Pi 4 is evolving to offer nice open-source support down to the Arm Mali graphics thanks to the Panfrost Mesa driver and also works nicely with Wayland.

    The ROCK Pi 4 single-board computer is what Collabora developers have been using lately for a lot of their work on the likes of the Panfrost Gallium3D driver and other Rockchip platform efforts. The ROCK Pi 4 makes use of Rockchip's RK3399 SoC (Mali T860 MP4 graphics, dual-core Cortex-A72 + quad-core Cortex-A53) and is paired with LPDDR4 and other typical components of modern ARM SBCs.

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    At the moment the Document Preview plugin that e.g. allows to preview Markdown or other documents layout-ed via embedding a matching KPart is no longer maintained. If you want to step up and keep that plugin alive and kicking, now is your chance!

  • The Sprint

    Hi -)) haven’t posted for some time, because I was busy travelling and coding for the first half of the month. From Aug 5 to Aug 9, I went to the Krita Sprint in Deventer, Netherlands. According to Boud, I was the first person to arrive. My flight took a transit via Hong Kong where some flights were affected due to natural and social factors, but fortunately mine was not one of them. Upon arrival in Amsterdam I got a ticket for the Intercity to Deventer. Railway constructions made me take a transfer via Utrecht Centraal, but that was not a problem at all: the station has escalators going both up to the hall, and down to the platforms (in China you can only go to the hall by stairs or elevator (which is often crowded after you get off)). When I got out of Deventer Station, Boud immediately recognized me (how?!). It was early in the morning, and the street’s quietness was broken by the sound of me dragging my suitcase. Boud led me through Deventer’s crooked streets and alleys to his house. For the next two days people gradually arrived. I met my main mentor Dmitry (magician!) and his tiger, Sagoskatt, which I (and many others) have mistaken for a giraffe. He was even the voice actor for Sago. He had got quite a lot of insights into the code base (according to Boud, “80%”) and solved a number of bugs in Krita (but he said he introduced a lot of bugs, ha!). Also I met David Revoy (my favourite painter!), the author of Pepper and Carrot. And Tiar, our developer who started to work full-time on Krita this year; she had always been volunteering to support other Krita users and always on the IRC and Reddit. And two of other three GSoC students for the year: Blackbeard (just as his face) and Hellozee. Sh_zam could not come and lost communications due to political issues, which was really unfortunate (eh at least now he can be connected). It is feels so good to be able to see so many people in the community – they are so nice! And it is such an experience to hack in a basement church.

  • How UCLA Library preserves rare objects with open source

    The University of California, Los Angeles, (UCLA) Library houses a collection of millions of rare and unique objects, including materials dating from 3000 BCE, that could be damaged, destroyed, or otherwise threatened if they were displayed. To make these special collections widely available while keeping them secure, the UCLA Library has been modernizing its digital repository, which was established 15 years ago on now-outdated software. [...] Watch Jen's Lightning Talk to learn more about the UCLA Library's rare collections digitization project.

  • RcppExamples 0.1.9

    The RcppExamples package provides a handful of short examples detailing by concrete working examples how to set up basic R data structures in C++. It also provides a simple example for packaging with Rcpp.

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