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Gallium3D's Freedreno Driver Gets A New Compiler

Mesa

Published on 04 February 2014 12:42 AM EST
Written by Michael Larabel in Mesa
15 Comments

Rob Clark has landed a new shader compiler into his Freedreno Gallium3D open-source graphics driver for Qualcomm's Adreno A3xx hardware.

Rob explained with the new commit landing the fresh compiler, "The new compiler generates a dependency graph of instructions, including a few meta-instructions to handle PHI and preserve some extra information needed for register assignment, etc...At this point, thanks to proper handling of instruction scheduling, the new compiler fixes a lot of things that were broken before, and does not appear to break anything that was working before. So even though it is not finished, it seems useful to merge it in it's current state."

Other changes also hit Mesa on Monday for wiring up the new graphics driver compiler.

Overall, Freedreno with its open-source mainline DRM driver in the Linux kernel and its mainline Mesa Gallium3D driver continues to be a shining example of open-source (reverse-engineered) ARM Linux graphics driver support.

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 .
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