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Linux Graphics and Games

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Graphics/Benchmarks
Gaming
  • Marek Has Been Taking To AMDGPU LLVM Optimizations

    Well known AMD open-source driver developer Marek Olšák has ruthlessly been optimizing the Radeon Mesa driver stack for years. With RadeonSI getting fine-tuned and already largely outperforming the AMDGPU-PRO OpenGL driver and most of the big ticket improvements complete, it appears his latest focus is on further optimizing the AMDGPU LLVM compiler back-end.

    This AMDGPU LLVM compiler back-end is what's used by RadeonSI but is also leveraged by the RADV Vulkan driver, among other potential use-cases. Lately Marek has been filing patches for optimizing the instructions generated during the shader compilation process.

  • FFmpeg Expands Its NVDEC CUDA-Accelerated Video Decoding

    A few days back I wrote about FFmpeg picking up NVDEC-accelerated H.264 video decoding and since then more FFmpeg improvements have landed.

    As mentioned in the earlier article, NVDEC is the newer NVIDIA video decoding interface that is succeeding their Linux-specific VDPAU in favor of the cross-platform, CUDA-based NVIDIA Video Codec SDK. There's also NVENC on the video encode side, while the recent FFmpeg work has been focused on the NVDEC GPU-based video decoding.

  • Intel Batch Buffer Logger Updated For Mesa

    Intel's Kevin Rogovin has been working on a "BatchBuffer Logger" for the Intel graphics driver that offers some useful possibilities for assisting in debugging/analyzing problems or performance penalties facing game/application developers.

    The BatchBuffer Logger is designed to allow correlating API calls to data that in turn is added to a batch buffer for execution by the Intel graphics processor. The logger additionally keeps precise track of the GPU state and can report various metrics associated with each API call.

  • Feral Interactive continues to contribute to Mesa as one of its developers gets commit privileges

    Alex Smith of Feral has been granted the right to push code into Mesa, a continuing sign of the commitment of Feral to Mesa and Vulkan.

    In this recent exchange Feral dev and active Mesa contributor, Alex Smith, has asked and gotten permission to create an account to directly access the Mesa driver’s git. His stated purpose is to provide fixes for Vulkan drivers, so we can take that as a sign that Feral is pretty serious at not only contributing to the open source Mesa project but also at using the Vulkan API in their current and future ports.

  • I played a bit of Die Totenmaske and it was a very strange experience
  • Valve has added 11 new currencies to the Steam Store

    Recent changes to the Steam Store have seen the addition of more local currencies for customers in different regions. Expect to get more bang for your Peso or Dinar.

    Originally tweeted by the excellent SteamDB, it would seem that customers in different regions will be able to buy from the Steam Store using their local currency. This usually means lower prices and no fiddling about with conversion rates for currency and prices are also adjusted for regional standards. The changes went live earlier and users in the affected countries have gotten emails telling them about the new changes to the Steam Store.

  • Trüberbrook, a beautiful adventure game with Linux support, is on Kickstarter

    This story-driven adventure game set in 1960s Germany places you in the role of a young scientist who finds himself having to save the world.

  • Intra-System: Trust Issues fiendishly encourages betrayal, my thoughts on the experience

More in Tux Machines

Android Leftovers

Snake your way across your Linux terminal

Welcome back to the Linux command-line toys advent calendar. If this is your first visit to the series, you might be asking yourself what a command-line toy even is. It's hard to say exactly, but my definition is anything that helps you have fun at the terminal. We've been on a roll with games over the weekend, and it was fun, so let's look at one more game today, Snake! Snake is an oldie but goodie; versions of it have been around seemingly forever. The first version I remember playing was one called Nibbles that came packaged with QBasic in the 1990s, and was probably pretty important to my understanding of what a programming language even was. Here I had the source code to a game that I could modify and just see what happens, and maybe learn something about what all of those funny little words that made up a programming language were all about. Read more

Growing Your Small Business With An Affordable OS

Your small business needs to grow, there's no doubt about that. Expansion is the name of the game when you have a one or two man company, and you're going to want to bring on at least 20 or more people to really get the cogs grinding. And if you're working on a digital interface, slowly phasing pen and paper out of the office you operate in, you're going to need plenty of people around to oil the engine and keep the tech in a usable state. Because of this, technology helps your small business grow, and can do quite a few wonders for the time and effort you invested into it. Even if you're working on a minimal budget, there's quite a few option to look into to make sure you've got just as much of a chance as the shop next door to you that seems to have a never ending stream of customers. After all, you've got to get your internal processes working perfectly first, and with a bit of technological aid, you might manage that faster than you first thought. Read more

Security: Polkit, CSP, Ansible and Router Hardening Checklist

  • Polkit CVE-2018-19788 vs. SELinux
  • Why is your site not using Content Security Policy / CSP?
    Yesterday, I had the pleasure of watching on Frikanalen the OWASP talk by Scott Helme titled "What We’ve Learned From Billions of Security Reports". I had not heard of the Content Security Policy standard nor its ability to "call home" when a browser detect a policy breach (I do not follow web page design development much these days), and found the talk very illuminating. The mechanism allow a web site owner to use HTTP headers to tell visitors web browser which sources (internal and external) are allowed to be used on the web site. Thus it become possible to enforce a "only local content" policy despite web designers urge to fetch programs from random sites on the Internet, like the one enabling the attack reported by Scott Helme earlier this year.
  • Red Hat Ansible Playbooks Password Exposure Vulnerability [CVE-2018-16859]
    CVE-2018-16859. A vulnerability in Red Hat Ansible could allow a local attacker to discover plaintext passwords on a targeted system.
  • Router Hardening Checklist