Erik
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a28a5b7583
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docs(A.5 T27): spec + plan amendments for T22.5 + ship
Spec (2026-05-09-phase-a5-two-tier-streaming-design.md):
- §2 acceptance metrics reshaped from absolute 240 FPS to
refresh-rate-relative + per-preset (95th-pct ≤ 1000ms/refresh
standstill; ≤ 1.5× walking) to match the Quality Preset reality.
- New §4.10 Quality Preset System (T22.5): enum Low/Medium/High/Ultra,
QualitySettings schema, canonical preset values table, env-var
override table, wiring notes (GameWindow.OnLoad + ReapplyQualityPreset),
MSAA mid-session unsupported caveat, file list, test count (12).
- New §11 What was deferred: 8 items (Tier 1 cache, lifestone, JobKind
plumbing, Tier 2/3, ToEntries alloc, InvalidateEntity wiring, High
preset retest). Former §11 References renumbered to §12.
Plan (2026-05-09-phase-a5-two-tier-streaming.md):
- New Task 22.5 section inserted between T22 and T23: full inline spec
with schema, preset table, env-var list, wiring steps, acceptance
criteria, deferred items, commit SHAs. Includes file-name corrections
(SettingsState → DisplaySettings, DisplayTab → SettingsPanel).
- Self-review cross-check table: new §4.10 row pointing at T22.5.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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2026-05-10 10:06:26 +02:00 |
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Erik
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fcaff71352
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docs(A.5): two-tier streaming + horizon LOD design spec
Brainstorm output for Phase A.5. Locks key decisions:
- Hardware target: 240 Hz / 1440p, 4.166ms vsync budget
- Tier radii: N₁=4 (full detail, 81 LBs), N₂=12 (terrain only, 544 LBs)
- Far-tier strategy: terrain-only + fog blend at N₁ (zero engineering cost)
- Bucketing: tighten existing per-LB walk (Q5 Option A); persistent
groups deferred to a later phase
- Worker thread: single-thread mesh build off render path (Q6 Option A)
- Hysteresis: existing radius+2 convention applied to both tiers
- Visual ride-alongs: mipmaps + anisotropic + A2C/MSAA + depth-write audit
- Acceptance: 240Hz standstill / 144 FPS walking (Q9 Option B)
Spec at docs/superpowers/specs/2026-05-09-phase-a5-two-tier-streaming-design.md.
Awaiting user review before transitioning to writing-plans.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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2026-05-09 21:52:00 +02:00 |
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