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Support plugins #1266

Merged
merged 10 commits into from
May 25, 2024
Merged

Support plugins #1266

merged 10 commits into from
May 25, 2024
+1,318 −880

Commits on May 25, 2024

  1. backend/egl: don't call gl_deinit without a current context 

    Otherwise epoxy will fail with assertion error.

Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  2. backend: prepare to pluginify the backends 

    Instead of a fixed table, allow an arbitrary number of backends to be
registered through `backend_register`.

Slightly refactored configuration validation.

As a side-effect, you now have to explicitly specify a backend, because
due to the dynamic nature of backends, there is no way to choose a
default.

Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  3. config: support loading plugins 

    Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  4. plugin: export backend_register 

    It's unclear which functions a custom backend will need, let's be
conversative first.

Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  5. plugin: add picom API headers 

    And add a pkgconfig file so they can be found.

Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  6. backend: turn max_buffer_age into a function 

    We want to change the backend interface as little as possible once we
release it as a public interface, so while we still can, we should try
to give it maximum flexibility.

Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  7. backend: add version for querying the backend's version 

    Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  8. api: introduce the concept of backend specific plugins 

    Allow loaded plugins to hook into specific backends.

Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  9. renderer: report present errors 

    Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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  10. backend: embed backend_operations table in backend_base 

    The idea is to allow backend plugins to override backend functions by
modifying this table. Right now, when they do this they are actually
changing a global variable and their change will persist after backend
resets (!). Store the table inside backend_base solves this problem.

Signed-off-by: Yuxuan Shui <[email protected]>
    @yshui
    yshui committed May 25, 2024
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