Native WebGPU LUT Atmosphere

Interactive Three.js WebGPU/TSL demo for Native WebGPU LUT Atmosphere, with 6 scenarios, 6 mechanisms, and 3 quality tiers and evidence-gated validation.

Evidence status: The implementation is available for technical review, but its native-WebGPU runtime and evidence gates remain incomplete.

Readiness & remaining fixes 4

Declared evidence work remains. Overall implementation status does not establish individual runtime or performance claims.

P0Define and measure the target performance contract

The ultra, high, mobile tiers have no accepted frame target. Record named device/browser/GPU, viewport, DPR, sustained CPU/GPU/presentation p50 and p95, deadline misses, memory, and settled quality. Submission time is not GPU timing.
tiers[].frameTargetMs
P0Current Adapter GPU Timestamps runtime proof

Correctness capture profile disables timestamp queries; no named-adapter GPU timing envelope recorded.
runtimeProof.current-adapter-gpu-timestamps
P1Capture a current-source evidence bundle

Publish source-hash-bound renderer/backend facts, required diagnostic images, aligned readbacks, resource inventory, timing method, and limitations; directly inspect the important artifacts before promotion.
evidenceBundle
P2Close tier-specific acceptance

Validate and promote ultra, high, mobile as independent visual and performance contracts without crossing their protected invariants.
tiers[].acceptanceStatus

Use the linked skill and source to inspect route ownership and evidence classification before treating this presentation as an accepted implementation.

Owning skill: Sky, Atmosphere, and Haze
Published routes: 6 scenarios · 6 mechanisms · 3 quality tiers

Supported mechanisms

transmittance-and-multiscatter — Transmittance And Multiscatter
irradiance-and-sky-view — Irradiance And Sky View
aerial-perspective — Aerial Perspective
depth-and-ecef — Depth And Ecef
sun-moon-and-lighting — Sun Moon And Lighting
sea-level-to-orbit — Sea Level To Orbit