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Intel Gallium3D Driver Gets HiZ, Other Changes

Intel

Published on 08 January 2014 06:38 AM EST
Written by Michael Larabel in Intel
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The "ILO" Gallium3D driver that supports modern generations of Intel HD Graphics now has support for the performance-boosting HiZ and has seen other changes in the newest Mesa Git activity.

The ILO driver continues to be an unofficial implementation of Intel's open-source Linux graphics driver code and based upon their official classic DRI driver. ILO is mostly the work of Chia-I Wu at the LunarG graphics consulting company. From time to time there's new ILO activity and today is one such occasion.

The commits led up to enabling ILO HiZ support to boost the performance of the Intel Gallium3D driver for Ivy Bridge and newer. Fast depth buffer clears hasn't yet been implemented and the HiZ support can be disabled for comparison/debugging purposes by setting the "ILO_DEBUG=nohiz" environment variable.

Other changes to the ILO Gallium3D driver can be found via the Mesa web Git interface. New benchmarks of the ILO Gallium3D driver against the i965 classic DRI driver will be forthcoming on Phoronix.

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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