Three.js WebGPU Skill Pack

accepted

TSL Procedural PBR

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: tsl-procedural-pbr
Kind: Canonical Lab
Owning skill: Procedural Materials
Execution: rendering
Three.js: 0.185.1
Source hash: sha256:f09b1846e6537e593e648751ef90f6d662afa7232eabc72806789510e70d95d5
Published bundle hash: sha256:2d31dfbab8ed46494f50947ced5b5ee0cf8dcf6195f107764655a526b7473507
Build revision: sha256:348d7584a398e339bdf08ac952ded6eb67b5ed813416a6fe3ba445615164b63a
Renderer: Not promoted
Backend: Not promoted
Evidence contract: v2
Tracked release bundle: Present

Claim verdicts

canonicalAcceptancePASS

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

docs/visual-validation/tsl-procedural-pbr/bundle

node-materialaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

mrtaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

texture-arrayaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

shadow-depth-textureaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

Runtime proof

backend-is-webgpuaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

material-channel-readbackaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

aligned-readbackaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

atlas-gutter-mip-runtimeaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

dissolve-shadow-atlas-parityaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

supersampled-specular-erroraccepted

docs/visual-validation/tsl-procedural-pbr/bundle

current-adapter-timingaccepted

docs/visual-validation/tsl-procedural-pbr/bundle

Capture state

Field	Published value
Primary route	`/demos/tsl-procedural-pbr/`
Cameras	`near, design, far`
Seeds	`0x00000001, 0x9e3779b9`
Modes	`final, no-post, raw-emissive, bloom-only, material-albedo, material-params, material-normal, material-footprint, material-normal-variance, roughness-aa, normal-variance, dissolve, triplanar-weights`
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	`pbr-identity`	`{"scenario":"pbr-identity"}`	accepted
scenario	`specular-aa-and-filtering`	`{"scenario":"specular-aa-and-filtering"}`	accepted
scenario	`atlas-array-and-triplanar`	`{"scenario":"atlas-array-and-triplanar"}`	accepted
scenario	`instanced-dissolve`	`{"scenario":"instanced-dissolve"}`	accepted
scenario	`shadow-parity`	`{"scenario":"shadow-parity"}`	accepted
scenario	`wet-rock-and-occlusion`	`{"scenario":"wet-rock-and-occlusion"}`	accepted
mechanism	`pbr-identity`	`{"scenario":"pbr-identity"}`	accepted
mechanism	`specular-aa-and-filtering`	`{"scenario":"specular-aa-and-filtering"}`	accepted
mechanism	`atlas-array-and-triplanar`	`{"scenario":"atlas-array-and-triplanar"}`	accepted
mechanism	`instanced-dissolve`	`{"scenario":"instanced-dissolve"}`	accepted
mechanism	`shadow-parity`	`{"scenario":"shadow-parity"}`	accepted
mechanism	`wet-rock-and-occlusion`	`{"scenario":"wet-rock-and-occlusion"}`	accepted
tier	`ultra`	`{"tier":"ultra"}`	accepted
tier	`high`	`{"tier":"high"}`	accepted
tier	`mobile`	`{"tier":"mobile"}`	accepted

Locked tier contracts

ultra · accepted

{
  "targetClass": "current-adapter close inspection",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "dprCap": 2,
    "bloomScale": 0.5
  },
  "mechanismLimits": {
    "normalStrength": 1,
    "varianceScale": 1
  },
  "resourceLimits": {
    "productionMrtAttachments": 2,
    "identityDiagnosticMrtAttachments": 3,
    "surfaceDiagnosticMrtAttachments": 4,
    "diagnosticScenePassesWhenSelected": 2,
    "gpuTimingRequiredForAcceptance": true
  },
  "degradationFromPrevious": [],
  "preservedInvariants": [
    "PBR identity",
    "shared causes",
    "dissolve parity",
    "color-space ownership"
  ]
}

high · accepted

{
  "targetClass": "current-adapter authored workload",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "dprCap": 1.5,
    "bloomScale": 0.33
  },
  "mechanismLimits": {
    "normalStrength": 0.8,
    "varianceScale": 1
  },
  "resourceLimits": {
    "productionMrtAttachments": 2,
    "identityDiagnosticMrtAttachments": 3,
    "surfaceDiagnosticMrtAttachments": 4,
    "diagnosticScenePassesWhenSelected": 2,
    "gpuTimingRequiredForAcceptance": true
  },
  "degradationFromPrevious": [
    "reduce DPR cap",
    "reduce bloom resolution",
    "attenuate micro-normal amplitude"
  ],
  "preservedInvariants": [
    "PBR identity",
    "shared causes",
    "dissolve parity",
    "color-space ownership"
  ]
}

mobile · accepted

{
  "targetClass": "native-WebGPU minimum correctness",
  "frameTargetMs": null,
  "resolutionPolicy": {
    "dprCap": 1,
    "bloomScale": 0.25
  },
  "mechanismLimits": {
    "normalStrength": 0.55,
    "varianceScale": 1.15
  },
  "resourceLimits": {
    "productionMrtAttachments": 2,
    "identityDiagnosticMrtAttachments": 3,
    "surfaceDiagnosticMrtAttachments": 4,
    "diagnosticScenePassesWhenSelected": 2,
    "gpuTimingRequiredForAcceptance": true
  },
  "degradationFromPrevious": [
    "reduce DPR cap",
    "reduce bloom resolution",
    "further attenuate unresolved normal detail"
  ],
  "preservedInvariants": [
    "PBR identity",
    "shared causes",
    "dissolve parity",
    "color-space ownership"
  ]
}

Limitations

No current-hardware performance claim is published without named-adapter timestamp evidence.