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Lima Gallium3D Driver Picks Up Multi-Submit Optimization In Mesa 20.1

Written by Michael Larabel in Mesa on 17 February 2020 at 06:32 AM EST. 10 Comments

It's been a while since last having any news to report on Mesa's Lima Gallium3D driver for old Mali 400/450 series hardware, but an important optimization was merged today.

Lima in Mesa 20.1-devel now can handle multi-submit support for greater efficiency in handling of multiple OpenGL frame-buffer objects (FBOs). This should allow for greater efficiency/performance in the likes of the X.Org Server or Wayland compositors and avoiding flush-reload costs when switching between FBOs. No hard numbers, however, were provided for the multi-submit benefits to expect.

More details on this big patch series for the open-source Arm Mali 400/450 series Gallium3D driver via this Mesa merge request.

10 Comments

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.