chrg6 effdbd8dc0 Describe in docs/architecture.md how the game's submitting threads take turns, and bring nvn_call_note's comment, which said the front end relied on one thread at a time, up to date. ...

The submit path no longer relies on one guest thread at a time: replays take turns on the submission lock, a frame's
bookkeeping at its present runs between two replays (vk_frame_owed.h), a held present goes out once and in order
(vk_present_held.h), a second submission of a recording in flight gets a clone (nvn_submit_guard.h), and held work is
asked about from a published copy (vk_evo_peek.h). docs/architecture.md section 4 gets a bullet saying so, with the
switch and the log lines; the comment above nvn_api_core.c nvn_call_note now says what holds and that an overlap line
is a count, not a fault.

Checks that passed: pass_cc_check of nvn_api_core.c.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-11-13 20:13:02 -05:00

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