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September 13-16, 2022
Dublin, Ireland + Virtual
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Note: The schedule is subject to change.

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Thursday, September 15 • 14:05 - 14:45
Walking Through the Linux-Based Graphics Stack - Paul Kocialkowski, Bootlin

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The graphics stack used with the Linux kernel is a notoriously complex beast. From userspace down to the kernel level, a number of components are involved and interact with eachother. It is also an area that is constantly evolving to meet new use cases, refresh legacy implementations and achieve better performance. This makes it difficult to have a clear idea of the big picture and what is actually happening when using graphics-related components. This presentation will detail a walk through the graphics stack, with actual examples of displaying a buffer and rendering using the GPU. Going from the application level through the system libraries, down to the kernel and ending with actual hardware configuration. State-of-the-art technologies such as Wayland and DRM will be highlighted with relevant excerpts from the source code of related free software projects that are widely used today.
Speakers
avatar for Paul Kocialkowski

Paul Kocialkowski

Embedded Linux Engineer, Bootlin
Paul joined Bootlin in 2018 and started with bringing support for the Allwinner VPU to mainline Linux. He went on to cover more topics related to graphics and multimedia, with various contributions to the DRM and V4L2 Linux subsystems as well as various related projects. Before that... Read More →

kocialkowski walking through the linux based graphics stack pdf
Thursday September 15, 2022 14:05 - 14:45 IST
Liffey Meeting Room 2 (Level 1)
  Embedded Linux Conference (ELC), Audio + Video + Streaming Media and Graphics