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perf(rendering): retain synchronous frame scratch

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Reuse the PView frame input, publish mutation-invalidated landblock views, and avoid constructing optional shadow iterators while preserving title and lifecycle visibility facts.
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Erik 2026-07-25 05:28:30 +02:00
parent b9cbf5e040
commit b3427554c3
10 changed files with 397 additions and 129 deletions
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docs/plans/2026-07-25-modern-runtime-slice-h.md
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@ -80,21 +80,26 @@ subtree-withdrawal suites preserve exact event and resource counts.
Landed evidence:
[`../research/2026-07-25-slice-h-a3-attached-pose-reconcile.md`](../research/2026-07-25-slice-h-a3-attached-pose-reconcile.md).
### H-a4 — diagnostics and frame scratch
### H-a4 — diagnostics and frame scratch — COMPLETE
1. Reuse one synchronous `RetailPViewFrameInput` owned by
`WorldSceneRenderer`; reset every field before each draw.
2. Expose stable borrowed landblock entry/bounds views instead of creating
iterator state in each frame.
3. Consumer-gate diagnostic landblock visibility counting and shadow
enumeration. When no DebugVM/collision/probe consumer exists, publish a
neutral diagnostic outcome without scanning resident landblocks.
3. Consumer-gate optional shadow enumeration. Preserve landblock visibility
counting because the normal title and lifecycle checkpoints are active
consumers of `lb V/T`; neutralizing it would be a visible/automation
behavior change.
4. Do not rework `InteriorEntityPartition` while the G4 referee remains.
Issue #241 closes with G5 old-route deletion, not by editing the fallback.
5. Profile capped and uncapped production paths and retain evidence.
Gate: identical framebuffer/scene digest, no per-frame PView input allocation,
and no diagnostic world traversal with all consumers disabled.
no iterator allocation for stable landblock views, and no shadow traversal
with all optional consumers disabled.
Landed evidence:
[`../research/2026-07-25-slice-h-a4-frame-scratch.md`](../research/2026-07-25-slice-h-a4-frame-scratch.md).
## 3. H-b — exact light top-k