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47 lines
1.6 KiB
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47 lines
1.6 KiB
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Amber Branch
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============
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After Mesa 21.3, all non-Gallium DRI drivers were removed from the Mesa
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source-tree. These drivers are still being maintained to some degree,
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but only on the ``amber`` branch, and only for critical fixes.
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These drivers include:
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- Radeon
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- r200
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- i915
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- i965
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- Nouveau (the DRI driver for NV04-NV20)
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At the same time, the OpenSWR Gallium driver was removed from the Mesa
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source-tree, because it was already practically speaking unmaintained and
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the actively maintained LLVMpipe offers much of the same functionality.
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Users with Intel GPUs that were using i965 should migrate to either Iris
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or Crocus, depending on their GPU. These drivers generally speaking both
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perform better and have more features than i965 had, and due to sharing
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more code with the rest of the Mesa infrastructure, gets more bug fixes
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and features.
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Similarly, users of i915 should migrate to i915g (the Gallium driver for
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the same hardware), as it's still being maintained.
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Users who depend on the removed drivers will have to use them built from
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the Amber branch in order to get updates.
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Building
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--------
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The Amber branch has some extra logic to be able to coexist with recent
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Mesa releases without them stepping on each others toes. In order to
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enable that logic, you need to pass the ``-Damber=true`` flag to Meson.
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Documentation
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-------------
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On `docs.mesa3d.org <https://docs.mesa3d.org/>`__, we currently only
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publish the documentation from our main branch. But you can view the
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documentation for the Amber branch `here
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<https://gitlab.freedesktop.org/mesa/mesa/-/tree/amber/docs>`__.
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