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32 lines
734 B
Markdown
32 lines
734 B
Markdown
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VC4
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===
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Used on Pis 0-3 and very well documented.
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There are two drivers for it: an open-source one (vc4) and a closed-source,
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legacy one (bcm).
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## New Driver (vc4)
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As of today, users have to enable it manually on Raspbian,
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Usually, too slow to be used on Pis 0-1.
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Very good integration with the Linux standard ecosystem, both X11 and KMS/DRM.
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## Legacy Driver (bcm)
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As of today, the default driver on Raspbian.
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The only realistic option for Pis 0-1: it uses a coprocessor (other than the
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main CPU and the main 3D core), and so it can offload some of the work from
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the CPU.
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No interaction with the X11 desktop.
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## Known Limitations
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- 3D on Godot 3.x only works with the vc4 driver.
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- 2D particles on Godot 3.x don't work.
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