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A Vulkan driver for the RPI4

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A Vulkan driver for the RPI4
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A lesson in futility
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490
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CC Attribution 2.0 Belgium:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Abstract
For the Raspberry PI 4 I started implementing a Vulkan driver. This talk will give a guide of how to approach such a task, what my expectations are and what I learned so far. With the release of Raspberry PI 4 it becomes theoretically more viable to use it in GPU heavy scenarios. Even ordinary software like Gnome Shell, Chromium and games fall into that category. Sadly, neither Broadcom nor Raspberry PI Foundation currently provide a Vulkan driver. Since I want as much performance (and little overheating) as possible, I started writing a Vulkan driver. This entails learning kernel and mesa internals as well as trying to understand Gallium. All that I have learned so far, I will try to share in this talk.