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RedBear-OS/recipes/tools/file/source/magic/Magdir/blit
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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: blit,v 1.9 2021/07/03 14:01:46 christos Exp $
# blit: file(1) magic for 68K Blit stuff as seen from 680x0 machine
#
# Note that this 0407 conflicts with several other a.out formats...
#
# XXX - should this be redone with "be" and "le", so that it works on
# little-endian machines as well? If so, what's the deal with
# "VAX-order" and "VAX-order2"?
#
#0 long 0407 68K Blit (standalone) executable
#0 short 0407 VAX-order2 68K Blit (standalone) executable
0 short 03401 VAX-order 68K Blit (standalone) executable
0 long 0406 68k Blit mpx/mux executable
0 short 0406 VAX-order2 68k Blit mpx/mux executable
# GRR: line below is too general as it matches also TTComp archive, ASCII, 4K handled by ./archive
0 short 03001 VAX-order 68k Blit mpx/mux executable
# TODO:
# skip TTComp archive, ASCII, 4K by looking for executable keyword like main
#>0 search/5536 main\0 VAX-order 68k Blit mpx/mux executable
# Need more values for WE32 DMD executables.
# Note that 0520 is the same as COFF
#0 short 0520 tty630 layers executable