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RedBear-OS/recipes/tools/sed/source/m4/off_t.m4
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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# off_t.m4 serial 1
dnl Copyright (C) 2012-2017 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl Check whether to override the 'off_t' type.
dnl Set WINDOWS_64_BIT_OFF_T.
AC_DEFUN([gl_TYPE_OFF_T],
[
m4_ifdef([gl_LARGEFILE], [
AC_REQUIRE([gl_LARGEFILE])
], [
WINDOWS_64_BIT_OFF_T=0
])
AC_SUBST([WINDOWS_64_BIT_OFF_T])
])