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docs/panfrost: Document building Panfrost

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Pretty similar to anything else in Mesa, although kmsro is required and
LLVM is not.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8148>
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Alyssa Rosenzweig 2020-12-17 19:14:24 -05:00 • committed by Marge Bot
parent 32da749edb
commit 2a7c881c14
1 changed files with 24 additions and 0 deletions
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docs/drivers/panfrost.rst
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@ -29,3 +29,27 @@ Work to enable OpenGL ES 3.1 and OpenGL 3.1 is on-going for architectures v5
and later (Mali T760 and newer).
Other graphics APIs (Vulkan, OpenCL) are not supported at this time.
Building
--------
Panfrost's OpenGL support is a Gallium driver. Since Mali GPUs are
3D-only and do not include a display controller, Mesa must be
additionally built with kmsro support which supports a number of display
controllers commonly paired with Mali GPUs. If your board with a Panfrost
supported GPU has a display controller with mainline Linux support not
supported by kmsro, it's easy to add support, see the commit
``cff7de4bb597e9`` as an example.
LLVM is *not* required by Panfrost's compilers. LLVM support in Mesa can
safely be disabled for most OpenGL ES users with Panfrost.
Build with meson like ``meson . build/ -Ddri-drivers= -Dvulkan-drivers=
-Dgallium-drivers=panfrost,kmsro -Dllvm=false`` for a build directory
``build``.
Building for Android via the legacy ``Android.mk`` system is not officially
supported but reportedly works. Your mileage may vary.
For general information on building Mesa, read :doc:`the install documentation
<install>`.