The open source OpenXR runtime
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SPDX-FileCopyrightText: 2020 Collabora, Ltd. and the Monado contributors
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## Monado 21.0.0 (2021-01-28)
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- Major changes
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- Adds a initial SteamVR driver state tracker and target that produces a SteamVR
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plugin that enables any Monado hardware driver to be used in SteamVR. This is
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the initial upstreaming of this code and has some limitations, like only having
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working input when emulating a Index controller.
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([!583](https://gitlab.freedesktop.org/monado/monado/merge_requests/583))
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- XRT Interface
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- Add `xrt_binding_profile` struct, related pair structs and fields on
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`xrt_device` to allow to move the static rebinding of inputs and outputs into
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device drivers. This makes it easier to get a overview in the driver itself
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which bindings it can bind to.
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([!587](https://gitlab.freedesktop.org/monado/monado/merge_requests/587))
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- xrt: Generate bindings for Monado and SteamVR from json.
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([!638](https://gitlab.freedesktop.org/monado/monado/merge_requests/638))
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- xrt: Introduce `xrt_system_compositor`, it is basically a analogous to
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`XrSystemID` but instead of being a fully fledged xrt_system this is only the
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compositor part of it. Also fold the `prepare_session` function into the create
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native compositor function to simplify the interface.
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([!652](https://gitlab.freedesktop.org/monado/monado/merge_requests/652))
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- Expose more information on the frameservers, like product, manufacturer and
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serial.
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([!665](https://gitlab.freedesktop.org/monado/monado/merge_requests/665))
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- Add `XRT_FORMAT_BAYER_GR8` format.
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([!665](https://gitlab.freedesktop.org/monado/monado/merge_requests/665))
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- State Trackers
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- st/oxr: Add OXR_FRAME_TIMING_SPEW for basic frame timing debug output.
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([!591](https://gitlab.freedesktop.org/monado/monado/merge_requests/591))
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- OpenXR: Make sure to restore old EGL display/context/drawables when creating a
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client EGL compositor.
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([!602](https://gitlab.freedesktop.org/monado/monado/merge_requests/602))
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- GUI: Expand with support for controlling the remote driver hand tracking.
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([!604](https://gitlab.freedesktop.org/monado/monado/merge_requests/604))
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- st/oxr: Implement XR_KHR_vulkan_enable2
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([!633](https://gitlab.freedesktop.org/monado/monado/merge_requests/633))
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- st/oxr: Add OXR_TRACKING_ORIGIN_OFFSET_{X,Y,Z} env variables as a quick way to
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tweak 6dof tracking origins.
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([!634](https://gitlab.freedesktop.org/monado/monado/merge_requests/634))
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- OpenXR: Be more relaxed with Quat validation, spec says within 1% of unit
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length, normalize if not within float epsilon.
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([!659](https://gitlab.freedesktop.org/monado/monado/merge_requests/659))
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- Drivers
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- North Star: Fix memory leak in math code.
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([!564](https://gitlab.freedesktop.org/monado/monado/merge_requests/564))
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- psvr: Rename some variables for better readability.
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([!597](https://gitlab.freedesktop.org/monado/monado/merge_requests/597))
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- openhmd: Fix viewport calculation of rotated displays.
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([!600](https://gitlab.freedesktop.org/monado/monado/merge_requests/600))
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- remote: Add support for simulated hand tracking, this is based on the curl
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model
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that is used by the Valve Index Controller.
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([!604](https://gitlab.freedesktop.org/monado/monado/merge_requests/604))
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- android: Acquire device display metrics from system.
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([!611](https://gitlab.freedesktop.org/monado/monado/merge_requests/611))
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- openhmd: Rotate DK2 display correctly.
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([!628](https://gitlab.freedesktop.org/monado/monado/merge_requests/628))
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- d/psmv: The motor on zcmv1 does not rumble at amplitudes < 0.25. Linear rescale
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amplitude into [0.25, 1] range.
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([!636](https://gitlab.freedesktop.org/monado/monado/merge_requests/636))
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- v4l2: Expose more information through new fields in XRT interface.
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([!665](https://gitlab.freedesktop.org/monado/monado/merge_requests/665))
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- v4l2: Allocate more buffers when streaming data.
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([!665](https://gitlab.freedesktop.org/monado/monado/merge_requests/665))
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- IPC
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- ipc: Port IPC to u_logging.
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([!601](https://gitlab.freedesktop.org/monado/monado/merge_requests/601))
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- ipc: Make OXR_DEBUG_GUI work with monado-service.
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([!622](https://gitlab.freedesktop.org/monado/monado/merge_requests/622))
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- Compositor
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- comp: Add basic frame timing information to XRT_COMPOSITOR_LOG=trace.
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([!591](https://gitlab.freedesktop.org/monado/monado/merge_requests/591))
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- main: Refactor how the compositor interacts with targets, the goal is to enable
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the compositor to render to destinations that isn't backed by a `VkSwapchain`.
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Introduce `comp_target` and remove `comp_window`, also refactor `vk_swapchain`
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to be a sub-class of `comp_target` named `comp_target_swapchain`, the window
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backends now sub class `comp_target_swapchain`.
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([!599](https://gitlab.freedesktop.org/monado/monado/merge_requests/599))
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- Implement support for XR_KHR_composition_layer_equirect (equirect1).
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([!620](https://gitlab.freedesktop.org/monado/monado/merge_requests/620),
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[!624](https://gitlab.freedesktop.org/monado/monado/merge_requests/624))
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- comp: Improve thread safety. Resolve issues in mutlithreading CTS.
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([!645](https://gitlab.freedesktop.org/monado/monado/merge_requests/645))
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- main: Lower priority on sRGB format. This works around a bug in the OpenXR CTS
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and mirrors better what at least on other OpenXR runtime does.
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([!671](https://gitlab.freedesktop.org/monado/monado/merge_requests/671))
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- Helper Libraries
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- os/time: Make timespec argument const.
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([!597](https://gitlab.freedesktop.org/monado/monado/merge_requests/597))
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- os/time: Add a Linux specific way to get the realtime clock (for RealSense).
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([!597](https://gitlab.freedesktop.org/monado/monado/merge_requests/597))
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- math: Make sure that we do not drop and positions in poses when the other pose
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has a non-valid position.
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([!603](https://gitlab.freedesktop.org/monado/monado/merge_requests/603))
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- aux/vk: `vk_create_device` now takes in a list of Vulkan device extensions.
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([!605](https://gitlab.freedesktop.org/monado/monado/merge_requests/605))
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- Port everything to u_logging.
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([!627](https://gitlab.freedesktop.org/monado/monado/merge_requests/627))
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- u/hand_tracking: Tweak finger curl model making it easier to grip ingame
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objects.
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([!635](https://gitlab.freedesktop.org/monado/monado/merge_requests/635))
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- math: Add math_quat_validate_within_1_percent function.
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([!659](https://gitlab.freedesktop.org/monado/monado/merge_requests/659))
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- u/sink: Add Bayer format converter.
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([!665](https://gitlab.freedesktop.org/monado/monado/merge_requests/665))
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- u/distortion: Improve both Vive and Index distortion by fixing polynomial math.
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([!666](https://gitlab.freedesktop.org/monado/monado/merge_requests/666))
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- u/distortion: Improve Index distortion and tidy code. While this touches the
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Vive distortion code all Vive headsets seems to have the center set to the same
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for each channel so doesn't help them. And Vive doesn't have the extra
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coefficient that the Index does so no help there either.
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([!667](https://gitlab.freedesktop.org/monado/monado/merge_requests/667))
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- Misc. Features
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- Work toward a Win32 port.
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([!551](https://gitlab.freedesktop.org/monado/monado/merge_requests/551),
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[!605](https://gitlab.freedesktop.org/monado/monado/merge_requests/605),
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[!607](https://gitlab.freedesktop.org/monado/monado/merge_requests/607))
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- Additional improvements to the Android port.
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([!592](https://gitlab.freedesktop.org/monado/monado/merge_requests/592),
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[!595](https://gitlab.freedesktop.org/monado/monado/merge_requests/595),
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[#105](https://gitlab.freedesktop.org/monado/monado/issues/105))
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- Misc. Fixes
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- steamvr: Support HMDs with rotated displays
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([!600](https://gitlab.freedesktop.org/monado/monado/merge_requests/600))
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## Monado 0.4.1 (2020-11-04)
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- State Trackers