incomplete

WebGPU Image Pipeline

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 Tracked v2 bundle manifest Canonical source

Lab id: webgpu-image-pipeline
Kind: Canonical Lab
Owning skill: Image Pipeline
Execution: rendering
Three.js: 0.185.1
Source hash: sha256:367f880e1d52528732e0897e77d0a8f54ce141320660ff3876cde33663e00201
Published bundle hash: sha256:4fba35bcf9ca6bc1c63f27c6aacfe33db483f50ffea039d6d1c893432236c6f0
Build revision: sha256:b951f17018466135b2d841a246127bf96c7f617f6274e73736ec257a7293369f
Renderer: Not promoted
Backend: Not promoted
Evidence contract: v2
Tracked release bundle: Present

Claim verdicts

canonicalAcceptanceINSUFFICIENT_EVIDENCE

hardwarePerformanceNOT_CLAIMED

Promoted same-lab media

No same-lab evidence image is promoted for this report. The page intentionally shows status and proof requirements instead of substitute art.

Required capability and runtime proof

Capabilities

native-webgpuaccepted

renderer-info.json isWebGPUBackend=true; mechanism-metrics WebGPUBackend r185 v2 bundle.

timestamp-queryincomplete

required for performance claims; correctness capture does not accept current-adapter timestamps. Status incomplete (not accepted).

Runtime proof

renderer-initaccepted

canonical capture initializes WebGPURenderer; renderer-info.json records native backend.

mrt-readbackaccepted

validate:artifacts passes normal/emissive/velocity/final RT readbacks in webgpu-image-pipeline-v2.

temporal-resetaccepted

temporal.history / after-reset readbacks validated; temporal-reset proof in mechanism-metrics path.

current-adapter-timingincomplete

Current-adapter GPU timestamps remain INSUFFICIENT_EVIDENCE; correctness capture does not claim performance timing.

backend-is-webgpuaccepted

Accepted publishable release-bundle covers backend-is-webgpu for webgpu-image-pipeline.

mechanism-reachableaccepted

Accepted publishable release-bundle covers mechanism-reachable for webgpu-image-pipeline.

render-or-compute-workaccepted

Accepted publishable release-bundle covers render-or-compute-work for webgpu-image-pipeline.

aligned-readbackaccepted

Accepted publishable release-bundle covers aligned-readback for webgpu-image-pipeline.

Capture state

Field	Published value
Primary route	`/demos/webgpu-image-pipeline/`
Cameras	`near, design, far`
Seeds	`0x00000001, 0x9e3779b9`
Modes	`final, no-post, output, depth, view-z, linear-depth, normal, emissive, velocity, ao, bloom, exposure, temporal-current, temporal-history, temporal-resolved, albedo-extra-pass`
Capture time	`Not present in the promoted report data`
Adapter identity	`Not promoted`
Raw readback hashes	`Not promoted`

Fixed routes

Kind	Id	Startup state	Status
scenario	`pipeline-fixture`	`{"scenario":"pipeline-fixture"}`	accepted
mechanism	`signal-inspector`	`{"tier":"debug","mode":"normal"}`	accepted
mechanism	`ao-bloom-exposure-order`	`{"tier":"full","mode":"ao"}`	accepted
mechanism	`temporal-velocity-and-history`	`{"tier":"full","mode":"temporal-history"}`	accepted
mechanism	`output-and-color-ownership`	`{"tier":"full","mode":"final"}`	accepted
mechanism	`resource-budget`	`{"tier":"debug","mode":"final"}`	accepted
mechanism	`diagnostic-extra-pass`	`{"tier":"debug","mode":"albedo-extra-pass"}`	accepted
tier	`full`	`{"tier":"full"}`	accepted
tier	`reduced`	`{"tier":"reduced"}`	accepted
tier	`debug`	`{"tier":"debug"}`	accepted

Locked tier contracts

full · accepted

{
  "targetClass": "current-adapter correctness",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "scene": 1,
    "ao": 0.5,
    "bloom": 0.5
  },
  "mechanismLimits": {
    "temporal": true,
    "normalMrt": true,
    "emissiveMrt": true
  },
  "resourceLimits": {
    "physicalBytes": null
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "one renderer",
    "one primary scene pass",
    "one tone map",
    "one output transform"
  ]
}

reduced · accepted

{
  "targetClass": "bandwidth-reduced correctness",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "scene": 1,
    "ao": 0.5,
    "bloom": 0.33
  },
  "mechanismLimits": {
    "temporal": false,
    "normalMrt": false,
    "emissiveMrt": true
  },
  "resourceLimits": {
    "physicalBytes": null
  },
  "degradationFromPrevious": [
    "remove velocity/history",
    "reconstruct AO normals from depth",
    "reduce bloom scale"
  ],
  "preservedInvariants": [
    "one renderer",
    "one primary scene pass",
    "one tone map",
    "one output transform"
  ]
}

debug · accepted

{
  "targetClass": "diagnostics",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "scene": 1,
    "ao": 1,
    "bloom": 0.5
  },
  "mechanismLimits": {
    "temporal": true,
    "diagnosticAlbedoPass": true
  },
  "resourceLimits": {
    "physicalBytes": null
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "explicit extra scene cost only when albedo diagnostic is reachable"
  ]
}

Limitations

1 required capability record remain incomplete.
1 required runtime-proof record remain incomplete.
No current-hardware performance claim is published without named-adapter timestamp evidence.