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style(vdisplay): dedupe the attach-block comment (first-frame stash follow-up)

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Comment-only: the lazy-attach comment carried the delivery-consumption
sentence twice after the stash rework.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Enrico Bühler
2026-07-16 15:24:36 +02:00
parent 405b005a0d
commit ce085b8e3b
1 changed files with 4 additions and 6 deletions
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packaging/windows/drivers/pf-vdisplay/src/swap_chain_processor.rs
+4 -6
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@@ -318,12 +318,10 @@ impl SwapChainProcessor {
// cheap mutex peek, the same cost the pending-delivery check above already pays): attach // cheap mutex peek, the same cost the pending-delivery check above already pays): attach
// latency is now first-frame latency, since the attach itself republishes the stash. A // latency is now first-frame latency, since the attach itself republishes the stash. A
// taken delivery is consumed whether the attach succeeds or not (on failure its handles are // taken delivery is consumed whether the attach succeeds or not (on failure its handles are
// closed, the host's wait-for-attach reads the status code, and any retry is a NEW delivery). // closed inside from_channel, the host's wait-for-attach reads the status code, and any
// A failed attach only drops the delivery (its handles are closed inside from_channel; // retry is a NEW delivery). `target_id` binds the attach: the mapped ring must name THIS
// the host's wait-for-attach reads the status code, and any retry is a NEW delivery). // monitor (proto v3 validation inside from_channel — a cross-delivered ring is refused,
// `target_id` binds the attach: the mapped ring must name THIS monitor (proto v3 // never published into).
// validation inside from_channel — a cross-delivered ring is refused, never published
// into).
if publisher.is_none() if publisher.is_none()
&& let Some(channel) = crate::monitor::take_frame_channel(target_id) && let Some(channel) = crate::monitor::take_frame_channel(target_id)
&& let Ok(mut p) = FramePublisher::from_channel( && let Ok(mut p) = FramePublisher::from_channel(