1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

Broadcom VC4 Work Well Underway On DRM, Gallium3D Support Planned

Mesa

Published on 18 June 2014 09:17 AM EDT
Written by Michael Larabel in Mesa
5 Comments

Beginning this week, Eric Anholt is now working for Broadcom after working for Intel's Open-Source Technology Center the past several years on the Intel Linux graphics driver stack. While Eric just started there, he's already made some headway on a Broadcom DRM driver and expects to begin developing a Gallium3D driver soon.

Eric has a bare-bones DRM driver under development for the Broadcom VC4 hardware found within the Raspberry Pi. This DRM driver code is based upon the Broadcom 2708 Android driver port with early open-source 3D work done by Simon Hall and now picked up by Eric. Eric's DRM driver in its current form just talks with Broadcom's firmware blob for handling mode-setting and he's just beginning to work on the GPU execution support.

In a few days Eric anticipates starting on the user-space support, for which he's initially targeting a Gallium3D-based driver. He's aiming to do a Gallium3D driver since it's the easiest path to get going for a open-source 3D Linux OpenGL (GLES) driver while later on he might switch the driver model over to being a classic DRI driver in Mesa.

Eric wrote, "I'm probably going to start out doing a gallium driver for simplicity, to avoid having to do all the DRI crap we've got in brw_context.c and texture miptree validation and getting user data into VBOs and all that other almost-boilerplate. Long term I may end up switching to classic so I can get swrast fallbacks and the ability to implement single-copy manually-tiled TexImage uploads like. For now I want to get to drawing triangles as soon as I can."

At Phoronix we covered Eric's departure from Intel for Broadcom earlier in the week while a few hours ago he just posted about his Broadcom VC4 DRM/Gallium3D work to the Mesa-dev mailing list. Eric's far from complete DRM driver for the Broadcom hardware can be tracked via his VC4 Linux kernel branch.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux Hardware Reviews
  1. MSI X99S SLI PLUS On Linux
  2. NVIDIA GeForce GTX 970 Offers Great Linux Performance
  3. CompuLab Intense-PC2: An Excellent, Fanless, Mini PC Powered By Intel's i7 Haswell
  4. From The Atom 330 To Haswell ULT: Intel Linux Performance Benchmarks
Latest Linux Articles
  1. Open-Source Radeon 2D Performance Is Better With Ubuntu 14.10
  2. RunAbove: A POWER8 Compute Cloud With Offerings Up To 176 Threads
  3. 6-Way Ubuntu 14.10 Linux Desktop Benchmarks
  4. Ubuntu 14.10 XMir System Compositor Benchmarks
Latest Linux News
  1. Sandusky Lee: Great Cabinets For Storing All Your Computer Gear
  2. Fedora 21 Beta & Final Release Slip Further
  3. Mesa 10.3.2 Has A Couple Bug-Fixes
  4. RadeonSI/R600g HyperZ Support Gets Turned Back On
  5. openSUSE Factory & Tumbleweed Are Merging
  6. More Fedora Delays: Fedora 21 Beta Slips
  7. Mono Brings C# To The Unreal Engine 4
  8. Coreboot Now Has Support For Intel Broadwell Hardware
  9. Enlightenment's EFL 1.12 Alpha Has Evas GL-DRM Engine, OpenGL ES 1.1 Support
  10. GTK+ Lands Experimental Backend For Mir Display Server
Latest Forum Discussions
  1. Debian Is Back To Discussing Init Systems, Freedom of Choice
  2. AMD Radeon VDPAU Video Performance With Gallium3D
  3. HOPE: The Ease Of Python With The Speed Of C++
  4. Updated and Optimized Ubuntu Free Graphics Drivers
  5. Ubuntu 16.04 Might Be The Distribution's Last 32-Bit Release
  6. Linux hacker compares Solaris kernel code:
  7. Advertisements On Phoronix
  8. Users/Developers Threatening Fork Of Debian GNU/Linux