accepted

Native WebGPU Weather Volume Clouds

This report separates published implementation state from accepted evidence. Every value below comes from the schema-v2 registry, the emitted source manifest, or promoted same-lab artifacts.

Open demo Owning skill Published source manifest Registry JSON Promoted evidence summary Tracked v2 bundle manifest Canonical source

Lab id: webgpu-weather-volume-clouds
Kind: Canonical Lab
Owning skill: Volumetric Clouds
Execution: rendering
Three.js: 0.185.1
Source hash: sha256:b83999fb74b8fa55414b46e601f8ee2c6f2ecd0882a06e112f92cc8f563e1899
Published bundle hash: sha256:00cb1b4321d8afc8eb4e32c9dd485baea21a2239e9f0c40d67bc8b921ecfe3e1
Build revision: sha256:d929feed6bb69df4ba0bca7a58c723f6c257d003c20d1e9417d25ccb25e4ecf9
Renderer: WebGPURenderer
Backend: WebGPU
Evidence contract: v2
Tracked release bundle: Present

Claim verdicts

visualCorrectnessPASS

mechanismCorrectnessPASS

performanceComplianceNOT_CLAIMED

gpuAttributionNOT_CLAIMED

lifecycleStabilityPASS

visualErrorPASS

Promoted same-lab media

Native WebGPU Weather Volume Clouds: Final design presentation — **Final design presentation**inspected-runtime-evidence-preview · sha256:78978c32c107a234119b5c29245c9c55820c170823717c4cb5eb47065ec38a81

Native WebGPU Weather Volume Clouds: No-post / baseline presentation — **No-post / baseline presentation**inspected-runtime-evidence-preview · sha256:5ecddd77ca3357ee874e68b9f8075362fc0ae5a403343a32de840475f1e2ac99

Native WebGPU Weather Volume Clouds: Diagnostics mosaic — **Diagnostics mosaic**inspected-runtime-evidence-preview · sha256:d5bec9adcddfffb12181c04b52c6d0373707c2b89904ecebedd9c8a702d5b9e2

Native WebGPU Weather Volume Clouds: Near camera — **Near camera**inspected-runtime-evidence-preview · sha256:af94d433411a498be64c9291e32787974bbe56ba7ff7b1d0e34d531a9cbbe26d

Native WebGPU Weather Volume Clouds: Design camera — **Design camera**inspected-runtime-evidence-preview · sha256:78978c32c107a234119b5c29245c9c55820c170823717c4cb5eb47065ec38a81

Native WebGPU Weather Volume Clouds: Far camera — **Far camera**inspected-runtime-evidence-preview · sha256:ebd345fb7b207e0b9ea7c70fd164b2c4e81c7d4c498bb9a1622bdc8ab77a0918

Native WebGPU Weather Volume Clouds: Representative seed final — **Representative seed final**inspected-runtime-evidence-preview · sha256:78978c32c107a234119b5c29245c9c55820c170823717c4cb5eb47065ec38a81

Native WebGPU Weather Volume Clouds: Stress seed final — **Stress seed final**inspected-runtime-evidence-preview · sha256:3652da68eeaeaaca0ebd243268eddfcabacf6df84f279424183ad1292a4086b2

Native WebGPU Weather Volume Clouds: Temporal t0 — **Temporal t0**inspected-runtime-evidence-preview · sha256:78978c32c107a234119b5c29245c9c55820c170823717c4cb5eb47065ec38a81

Native WebGPU Weather Volume Clouds: Temporal t1 — **Temporal t1**inspected-runtime-evidence-preview · sha256:6eab5d0ae42e5a85abe1477e3fa65f7b6e12730f55e5a6b1f0ec7a731bd3e377

Required capability and runtime proof

Capabilities

native-webgpuaccepted

Accepted publishable release-bundle for webgpu-weather-volume-clouds covers native-webgpu.

storage-texturesaccepted

Accepted publishable release-bundle for webgpu-weather-volume-clouds covers storage-textures.

Runtime proof

backend-is-webgpuaccepted

Accepted publishable release-bundle for webgpu-weather-volume-clouds covers backend-is-webgpu.

bounded-compute-dispatchaccepted

Accepted publishable release-bundle for webgpu-weather-volume-clouds covers bounded-compute-dispatch.

metric-r32f-depth-readbackaccepted

Accepted publishable release-bundle for webgpu-weather-volume-clouds covers metric-r32f-depth-readback.

temporal-disocclusion-rejectionaccepted

Accepted publishable release-bundle for webgpu-weather-volume-clouds covers temporal-disocclusion-rejection.

current-adapter-gpu-timestampsaccepted

Accepted publishable release-bundle for webgpu-weather-volume-clouds covers current-adapter-gpu-timestamps.

renderer-initaccepted

Accepted publishable release-bundle proves renderer-init for webgpu-weather-volume-clouds.

mechanism-reachableaccepted

Accepted publishable release-bundle proves mechanism-reachable for webgpu-weather-volume-clouds.

render-or-compute-workaccepted

Accepted publishable release-bundle proves render-or-compute-work for webgpu-weather-volume-clouds.

aligned-readbackaccepted

Accepted publishable release-bundle proves aligned-readback for webgpu-weather-volume-clouds.

Capture state

Field	Published value
Primary route	`/demos/webgpu-weather-volume-clouds/`
Cameras	`near, design, far`
Seeds	`0x00000001, 0x9e3779b9`
Modes	`final, density, ray-near-far, sample-counts, sun-optical-depth, cloud-shadow, transmittance, representative-depth, velocity, history-uv, variance-bounds, history-rejection, upsample-depth-weights, storage-budget`
Capture time	`Not present in the promoted report data`
Adapter identity	`Not promoted`
Raw readback hashes	`Not present in the promoted preview summary`

Fixed routes

Kind	Id	Startup state	Status
scenario	`spherical-shell`	`{"scenario":"spherical-shell","mode":"final"}`	accepted
scenario	`planar-slab`	`{"scenario":"planar-slab","mode":"final"}`	accepted
scenario	`obb-cloud-bank`	`{"scenario":"obb-cloud-bank","mode":"final"}`	accepted
scenario	`atmosphere-composition`	`{"scenario":"spherical-shell","mode":"final"}`	accepted
mechanism	`flagship-transport`	`{"mode":"final"}`	accepted
mechanism	`density-and-bounds`	`{"mode":"ray-near-far"}`	accepted
mechanism	`cloud-shadows`	`{"mode":"cloud-shadow"}`	accepted
mechanism	`temporal-and-upsample`	`{"mode":"history-rejection"}`	accepted
mechanism	`tier-benchmark`	`{"mode":"storage-budget"}`	accepted
mechanism	`atmosphere-composition`	`{"mode":"final"}`	accepted
mechanism	`failure-diagnostics`	`{"mode":"sample-counts"}`	accepted
tier	`ultra`	`{"tier":"ultra"}`	accepted
tier	`high`	`{"tier":"high"}`	accepted
tier	`default`	`{"tier":"default"}`	accepted
tier	`mobile`	`{"tier":"mobile"}`	accepted

Locked tier contracts

ultra · accepted

{
  "targetClass": "current-adapter-unmeasured",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "linearScale": 0.5
  },
  "mechanismLimits": {
    "primarySteps": 160,
    "lightSteps": 8,
    "shadowCascades": 3,
    "shadowResolution": 1024
  },
  "resourceLimits": {
    "representativeDepth": "R32F",
    "cloudHistory": "RGBA16F"
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "bounded-domain-march",
    "beer-lambert-transfer",
    "advected-temporal-history",
    "single-output-owner"
  ]
}

high · accepted

{
  "targetClass": "current-adapter-unmeasured",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "linearScale": 0.5
  },
  "mechanismLimits": {
    "primarySteps": 96,
    "lightSteps": 6,
    "shadowCascades": 3,
    "shadowResolution": 512
  },
  "resourceLimits": {
    "representativeDepth": "R32F",
    "cloudHistory": "RGBA16F"
  },
  "degradationFromPrevious": [
    "fewer primary and light samples",
    "lower shadow resolution"
  ],
  "preservedInvariants": [
    "bounded-domain-march",
    "beer-lambert-transfer",
    "advected-temporal-history",
    "single-output-owner"
  ]
}

default · accepted

{
  "targetClass": "current-adapter-unmeasured",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "linearScale": 0.25
  },
  "mechanismLimits": {
    "primarySteps": 64,
    "lightSteps": 4,
    "shadowCascades": 2,
    "shadowResolution": 384
  },
  "resourceLimits": {
    "representativeDepth": "R32F",
    "cloudHistory": "RGBA16F"
  },
  "degradationFromPrevious": [
    "quarter-linear cloud grid",
    "fewer light samples",
    "two shadow cascades"
  ],
  "preservedInvariants": [
    "bounded-domain-march",
    "beer-lambert-transfer",
    "advected-temporal-history",
    "single-output-owner"
  ]
}

mobile · accepted

{
  "targetClass": "mobile-class-unmeasured",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "linearScale": 0.25
  },
  "mechanismLimits": {
    "primarySteps": 32,
    "lightSteps": 2,
    "shadowCascades": 1,
    "shadowResolution": 256
  },
  "resourceLimits": {
    "representativeDepth": "R32F",
    "cloudHistory": "RGBA16F"
  },
  "degradationFromPrevious": [
    "fewer primary and light samples",
    "disable unresolved detail",
    "one shadow cascade"
  ],
  "preservedInvariants": [
    "bounded-domain-march",
    "beer-lambert-transfer",
    "advected-temporal-history",
    "single-output-owner"
  ]
}

Limitations

Performance and GPU attribution remain NOT_CLAIMED unless a hardware performance lane is present.
Promoted media are native-WebGPU correctness readbacks bound by the accepted release-bundle ledger.