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linux-explicit-synchronization-v2: new protocol implementation #3286

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linux-explicit-synchronization-v2: new protocol implementation #3286

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Commits on Oct 21, 2021

  1. render/timeline: introduce wlr_timeline 

    wlr_timeline is a synchronization primitive based on drm_syncobj
timelines. They are heavily inspired from Vulkan timeline
semaphores [1].

[1]: https://www.khronos.org/blog/vulkan-timeline-semaphores
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  2. render/timeline: add wlr_render_timeline_import_dmabuf 

    Same as wlr_render_timeline_import_sync_file, but takes a DMA-BUF
as argument. Depends on [1].

[1]: https://lore.kernel.org/dri-devel/[email protected]/
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  3. render: add timeline wlr_renderer API

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  4. render/egl: add support for explicit sync extensions

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  5. render/gles2: implement explicit sync APIs

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  6. output: add explicit sync API

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  7. backend/drm: add support for explicit sync APIs

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  8. linux-explicit-synchronization-v1: new protocol implementation 

    This patch adds support for the
linux-explicit-synchronization-unstable-v1 protocol.

To test, run weston-simple-dmabuf-egl.
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  9. examples/explicit-sync: new example

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  10. linux-explicit-synchronization-v1: extract fence from DMA-BUF

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  11. render/timeline: add wlr_render_timeline_import

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  12. linux-explicit-synchronization-v2: new protocol implementation 

    See [1].

[1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/90
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  13. render/timeline: add wlr_render_timeline_transfer

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  14. examples/explicit-sync: support linux-explicit-synchronization-v2

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