OpenXR Specification (Source) 1.0.20

OpenXR Specification 1.0.20 (2021-10-04)

This release includes a number of new vendor extensions and a few minor clarifications.

• Registry
  • Add new XR_HTCX_vive_tracker_interaction provisional vendor extension.
    (internal MR 1983)
  • Add new XR_VARJO_marker_tracking vendor extension.
    (internal MR 2129)
  • Add new XR_FB_triangle_mesh vendor extension.
    (internal MR 2130)
  • Add new XR_FB_passthrough vendor extension.
    (internal MR 2130)
  • Reserve vendor extensions for Facebook.
    (internal MR 2131)
  • Reserve a vendor extension for Almalence.
    (OpenXR-Docs PR 99)
  • XR_FB_color_space: Fix XML markup to indicate that
    XrSystemColorSpacePropertiesFB is chained to XrSystemProperties.
    (internal MR 2143)
• Specification
  • Clarify that swapchain image wait must not timeout before releasing.
    (internal MR 2134,
    OpenXR-Docs issue 101,
    internal issue 1603)
  • D3D11 and D3D12 extensions: Specify handling of swapchain usage flags.
    (internal MR 2133,
    internal issue 1500)
  • OpenGL and OpenGL ES extensions: Specify handling of swapchain usage flags.
    (internal MR 2127,
    internal issue 1500)
  • Document new XR_HTCX_vive_tracker_interaction provisional vendor extension.
    (internal MR 1983)
  • Document new XR_VARJO_marker_tracking vendor extension.
    (internal MR 2129)
  • Document new XR_FB_triangle_mesh vendor extension.
    (internal MR 2130)
  • Document new XR_FB_passthrough vendor extension.
    (internal MR 2130)
  • Fix generated links from OpenXR ref pages to Vulkan ref pages.
    (internal MR 2126)
  • Loader specification: Describe a cross-vendor loader for use on Android.
    (internal MR 1949,
    internal issue 1425)
  • Scripts: Fix reflow script error message and make sure it creates the necessary
    output directory.
    (OpenXR-Docs PR 97)