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RedBear-OS/recipes/tools/file/source/magic/Magdir/usd
T
vasilito 7686729069 drm: implement syncobj and fence for VIRGL/VirtIO driver
Extract protocol-agnostic FenceTimeline from Intel to shared
src/drivers/fence.rs — atomic-based fence tracking suitable
for Intel, VIRGL, and AMD drivers.

Extract protocol-agnostic SyncobjManager from Intel to shared
src/drivers/syncobj.rs — syncobj create/destroy/signal/reset/
wait/query and sync_file fd export/import.

Wire both into VirtioDriver:
- Add FenceTimeline + SyncobjManager fields
- Implement all 5 GpuDriver syncobj trait methods
  (create, destroy, wait, export_fd, import_fd)
- Track fence seqnos in virgl_submit_3d (allocate
  before submit, signal after completion)

Intel fence.rs and syncobj.rs converted to thin re-export
modules pointing at shared sources — no behavioral change
for Intel driver.

This gives Mesa VIRGL userspace the standard DRM syncobj
API for GPU/compositor synchronization.
2026-06-02 14:33:28 +03:00

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#------------------------------------------------------------------------------
# $File: usd,v 1.2 2020/05/21 22:17:00 christos Exp $
#
# From Christian Schmidbauer
#
# https://github.com/PixarAnimationStudios/USD
# USD crate file
# https://github.com/PixarAnimationStudios/USD/blob/ebac0a8b6703f4fa1c27115f1f013bb9819662f4/pxr/usd/usd/crateFile.h#L441-L450
0 string PXR-USDC USD crate
>8 byte x \b, version %x.
>9 byte x \b%x.
>10 byte x \b%x
!:ext usd
# USD ASCII file
0 string #usda\040 USD ASCII
>6 string x \b, version %s
!:mime text/plain
!:ext usd