earthquake_3d_viewer_front/three/build/three.webgpu.min.js

/**
 * @license
 * Copyright 2010-2025 Three.js Authors
 * SPDX-License-Identifier: MIT
 */
import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,EventDispatcher as o,MathUtils as u,WebGLCoordinateSystem as l,WebGPUCoordinateSystem as d,ColorManagement as c,SRGBTransfer as h,NoToneMapping as p,StaticDrawUsage as g,InterleavedBuffer as m,InterleavedBufferAttribute as f,DynamicDrawUsage as y,NoColorSpace as b,Texture as x,UnsignedIntType as T,IntType as _,NearestFilter as v,Sphere as N,BackSide as S,DoubleSide as E,Euler as w,CubeTexture as A,CubeReflectionMapping as R,CubeRefractionMapping as C,TangentSpaceNormalMap as M,ObjectSpaceNormalMap as P,InstancedInterleavedBuffer as B,InstancedBufferAttribute as F,DataArrayTexture as L,FloatType as D,FramebufferTexture as I,LinearMipmapLinearFilter as V,DepthTexture as U,Material as O,NormalBlending as k,LineBasicMaterial as G,LineDashedMaterial as z,NoBlending as H,MeshNormalMaterial as $,SRGBColorSpace as W,WebGLCubeRenderTarget as j,BoxGeometry as q,Mesh as X,Scene as K,LinearFilter as Y,CubeCamera as Q,EquirectangularReflectionMapping as Z,EquirectangularRefractionMapping as J,AddOperation as ee,MixOperation as te,MultiplyOperation as re,MeshBasicMaterial as se,MeshLambertMaterial as ie,MeshPhongMaterial as ne,OrthographicCamera as ae,PerspectiveCamera as oe,RenderTarget as ue,LinearSRGBColorSpace as le,RGBAFormat as de,HalfFloatType as ce,CubeUVReflectionMapping as he,BufferGeometry as pe,BufferAttribute as ge,MeshStandardMaterial as me,MeshPhysicalMaterial as fe,MeshToonMaterial as ye,MeshMatcapMaterial as be,SpriteMaterial as xe,PointsMaterial as Te,ShadowMaterial as _e,Uint32BufferAttribute as ve,Uint16BufferAttribute as Ne,arrayNeedsUint32 as Se,Camera as Ee,DepthStencilFormat as we,DepthFormat as Ae,UnsignedInt248Type as Re,UnsignedByteType as Ce,Plane as Me,Object3D as Pe,LinearMipMapLinearFilter as Be,Float32BufferAttribute as Fe,UVMapping as Le,VSMShadowMap as De,LessCompare as Ie,RGFormat as Ve,BasicShadowMap as Ue,SphereGeometry as Oe,LinearMipmapNearestFilter as ke,NearestMipmapLinearFilter as Ge,Float16BufferAttribute as ze,REVISION as He,ArrayCamera as $e,PlaneGeometry as We,FrontSide as je,CustomBlending as qe,AddEquation as Xe,ZeroFactor as Ke,CylinderGeometry as Ye,Quaternion as Qe,WebXRController as Ze,RAD2DEG as Je,PCFShadowMap as et,FrustumArray as tt,Frustum as rt,DataTexture as st,RedIntegerFormat as it,RedFormat as nt,ShortType as at,ByteType as ot,UnsignedShortType as ut,RGIntegerFormat as lt,RGBIntegerFormat as dt,RGBFormat as ct,RGBAIntegerFormat as ht,warnOnce as pt,createCanvasElement as gt,ReverseSubtractEquation as mt,SubtractEquation as ft,OneMinusDstAlphaFactor as yt,OneMinusDstColorFactor as bt,OneMinusSrcAlphaFactor as xt,OneMinusSrcColorFactor as Tt,DstAlphaFactor as _t,DstColorFactor as vt,SrcAlphaSaturateFactor as Nt,SrcAlphaFactor as St,SrcColorFactor as Et,OneFactor as wt,CullFaceNone as At,CullFaceBack as Rt,CullFaceFront as Ct,MultiplyBlending as Mt,SubtractiveBlending as Pt,AdditiveBlending as Bt,NotEqualDepth as Ft,GreaterDepth as Lt,GreaterEqualDepth as Dt,EqualDepth as It,LessEqualDepth as Vt,LessDepth as Ut,AlwaysDepth as Ot,NeverDepth as kt,UnsignedShort4444Type as Gt,UnsignedShort5551Type as zt,UnsignedInt5999Type as Ht,AlphaFormat as $t,RGB_S3TC_DXT1_Format as Wt,RGBA_S3TC_DXT1_Format as jt,RGBA_S3TC_DXT3_Format as qt,RGBA_S3TC_DXT5_Format as Xt,RGB_PVRTC_4BPPV1_Format as Kt,RGB_PVRTC_2BPPV1_Format as Yt,RGBA_PVRTC_4BPPV1_Format as Qt,RGBA_PVRTC_2BPPV1_Format as Zt,RGB_ETC1_Format as Jt,RGB_ETC2_Format as er,RGBA_ETC2_EAC_Format as tr,RGBA_ASTC_4x4_Format as rr,RGBA_ASTC_5x4_Format as sr,RGBA_ASTC_5x5_Format as ir,RGBA_ASTC_6x5_Format as nr,RGBA_ASTC_6x6_Format as ar,RGBA_ASTC_8x5_Format as or,RGBA_ASTC_8x6_Format as ur,RGBA_ASTC_8x8_Format as lr,RGBA_ASTC_10x5_Format as dr,RGBA_ASTC_10x6_Format as cr,RGBA_ASTC_10x8_Format as hr,RGBA_ASTC_10x10_Format as pr,RGBA_ASTC_12x10_Format as gr,RGBA_ASTC_12x12_Format as mr,RGBA_BPTC_Format as fr,RED_RGTC1_Format as yr,SIGNED_RED_RGTC1_Format as br,RED_GREEN_RGTC2_Format as xr,SIGNED_RED_GREEN_RGTC2_Format as Tr,MirroredRepeatWrapping as _r,ClampToEdgeWrapping as vr,RepeatWrapping as Nr,NearestMipmapNearestFilter as Sr,NotEqualCompare as Er,GreaterCompare as wr,GreaterEqualCompare as Ar,EqualCompare as Rr,LessEqualCompare as Cr,AlwaysCompare as Mr,NeverCompare as Pr,LinearTransfer as Br,NotEqualStencilFunc as Fr,GreaterStencilFunc as Lr,GreaterEqualStencilFunc as Dr,EqualStencilFunc as Ir,LessEqualStencilFunc as Vr,LessStencilFunc as Ur,AlwaysStencilFunc as Or,NeverStencilFunc as kr,DecrementWrapStencilOp as Gr,IncrementWrapStencilOp as zr,DecrementStencilOp as Hr,IncrementStencilOp as $r,InvertStencilOp as Wr,ReplaceStencilOp as jr,ZeroStencilOp as qr,KeepStencilOp as Xr,MaxEquation as Kr,MinEquation as Yr,SpotLight as Qr,PointLight as Zr,DirectionalLight as Jr,RectAreaLight as es,AmbientLight as ts,HemisphereLight as rs,LightProbe as ss,LinearToneMapping as is,ReinhardToneMapping as ns,CineonToneMapping as as,ACESFilmicToneMapping as os,AgXToneMapping as us,NeutralToneMapping as ls,Group as ds,Loader as cs,FileLoader as hs,MaterialLoader as ps,ObjectLoader as gs}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,PCFSoftShadowMap,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding}from"./three.core.min.js";const ms=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"];class fs{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=ms,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{id:r.id,attributes:this.getAttributesData(r.attributes),indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return null!==e.renderer.overrideNodes.modelViewMatrix||null!==e.renderer.overrideNodes.modelNormalViewMatrix}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e){const{object:t,material:r,geometry:s}=e,i=this.getRenderObjectData(e);if(!0!==i.worldMatrix.equals(t.matrixWorld))return i.worldMatrix.copy(t.matrixWorld),!1;const n=i.material;for(const e in n){const t=n[e],s=r[e];if(void 0!==t.equals){if(!1===t.equals(s))return t.copy(s),!1}else if(!0===s.isTexture){if(t.id!==s.id||t.version!==s.version)return t.id=s.id,t.version=s.version,!1}else if(t!==s)return n[e]=s,!1}if(n.transmission>0){const{width:t,height:r}=e.context;if(i.bufferWidth!==t||i.bufferHeight!==r)return i.bufferWidth=t,i.bufferHeight=r,!1}const a=i.geometry,o=s.attributes,u=a.attributes,l=Object.keys(u),d=Object.keys(o);if(a.id!==s.id)return a.id=s.id,!1;if(l.length!==d.length)return i.geometry.attributes=this.getAttributesData(o),!1;for(const e of l){const t=u[e],r=o[e];if(void 0===r)return delete u[e],!1;if(t.version!==r.version)return t.version=r.version,!1}const c=s.index,h=a.indexVersion,p=c?c.version:null;if(h!==p)return a.indexVersion=p,!1;if(a.drawRange.start!==s.drawRange.start||a.drawRange.count!==s.drawRange.count)return a.drawRange.start=s.drawRange.start,a.drawRange.count=s.drawRange.count,!1;if(i.morphTargetInfluences){let e=!1;for(let r=0;r<i.morphTargetInfluences.length;r++)i.morphTargetInfluences[r]!==t.morphTargetInfluences[r]&&(e=!0);if(e)return!0}return i.center&&!1===i.center.equals(t.center)?(i.center.copy(t.center),!0):(null!==e.bundle&&(i.version=e.bundle.version),!0)}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;return!0!==this.equals(e)}}function ys(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const bs=e=>ys(e),xs=e=>ys(e),Ts=(...e)=>ys(e);function _s(e,t=!1){const r=[];!0===e.isNode&&(r.push(e.id),e=e.getSelf());for(const{property:s,childNode:i}of vs(e))r.push(ys(s.slice(0,-4)),i.getCacheKey(t));return ys(r)}function*vs(e,t=!1){for(const r in e){if(!0===r.startsWith("_"))continue;const s=e[r];if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)yield{property:r,childNode:s};else if("object"==typeof s)for(const e in s){const i=s[e];i&&(!0===i.isNode||t&&"function"==typeof i.toJSON)&&(yield{property:r,index:e,childNode:i})}}}const Ns=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Ss=new WeakMap;function Es(e){return Ns.get(e)}function ws(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function As(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void console.error("THREE.TSL: Unsupported type:",e)}function Rs(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void console.error("THREE.TSL: Unsupported type:",e)}function Cs(e){return/float|int|uint/.test(e)?4:/vec2/.test(e)?8:/vec3/.test(e)||/vec4/.test(e)?16:/mat2/.test(e)?8:/mat3/.test(e)?48:/mat4/.test(e)?64:void console.error("THREE.TSL: Unsupported type:",e)}function Ms(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Ps(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?Ls(u[0]):null}function Bs(e){let t=Ss.get(e);return void 0===t&&(t={},Ss.set(e,t)),t}function Fs(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Ls(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}var Ds=Object.freeze({__proto__:null,arrayBufferToBase64:Fs,base64ToArrayBuffer:Ls,getByteBoundaryFromType:Cs,getCacheKey:_s,getDataFromObject:Bs,getLengthFromType:As,getMemoryLengthFromType:Rs,getNodeChildren:vs,getTypeFromLength:Es,getTypedArrayFromType:ws,getValueFromType:Ps,getValueType:Ms,hash:Ts,hashArray:xs,hashString:bs});const Is={VERTEX:"vertex",FRAGMENT:"fragment"},Vs={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},Us={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},Os={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},ks=["fragment","vertex"],Gs=["setup","analyze","generate"],zs=[...ks,"compute"],Hs=["x","y","z","w"],$s={analyze:"setup",generate:"analyze"};let Ws=0;class js extends o{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Vs.NONE,this.updateBeforeType=Vs.NONE,this.updateAfterType=Vs.NONE,this.uuid=u.generateUUID(),this.version=0,this.global=!1,this.parents=!1,this.isNode=!0,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:Ws++})}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this.getSelf()),this}onFrameUpdate(e){return this.onUpdate(e,Vs.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Vs.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Vs.OBJECT)}onReference(e){return this.updateReference=e.bind(this.getSelf()),this}getSelf(){return this.self||this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of vs(this))yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}getCacheKey(e=!1){return!0!==(e=e||this.version!==this._cacheKeyVersion)&&null!==this._cacheKey||(this._cacheKey=Ts(_s(this,e),this.customCacheKey()),this._cacheKeyVersion=this.version),this._cacheKey}customCacheKey(){return 0}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){console.warn("Abstract function.")}updateAfter(){console.warn("Abstract function.")}update(){console.warn("Abstract function.")}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=$s[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addNode(this),e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(1===this.generate.length){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(console.warn("THREE.Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||""}return e.removeChain(this),e.addSequentialNode(this),n}getSerializeChildren(){return vs(this)}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}class qs extends js{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class Xs extends js{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class Ks extends js{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class Ys extends Ks{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let o=0;for(const t of i){if(o>=s){console.error(`THREE.TSL: Length of parameters exceeds maximum length of function '${r}()' type.`);break}let i,u=t.getNodeType(e),l=e.getTypeLength(u);o+l>s&&(console.error(`THREE.TSL: Length of '${r}()' data exceeds maximum length of output type.`),l=s-o,u=e.getTypeFromLength(l)),o+=l,i=t.build(e,u);const d=e.getComponentType(u);d!==n&&(i=e.format(i,d,n)),a.push(i)}const u=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(u,r,t)}}const Qs=Hs.join("");class Zs extends js{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(Hs.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===Qs.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class Js extends Ks{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=Hs[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class ei extends Ks{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=Hs[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class ti extends js{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?Ms(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=Ms(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Fs(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Ps(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){console.warn("Abstract function.")}}const ri=/float|u?int/;class si extends ti{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return ri.test(r)&&ri.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class ii extends js{static get type(){return"MemberNode"}constructor(e,t){super(),this.node=e,this.property=t,this.isMemberNode=!0}getNodeType(e){return this.node.getMemberType(e,this.property)}generate(e){return this.node.build(e)+"."+this.property}}let ni=null;const ai=new Map;function oi(e,t){if(ai.has(e))console.warn(`THREE.TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);ai.set(e,t)}}const ui=e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),li=e=>ui(e).split("").sort().join(""),di={setup(e,t){const r=t.shift();return e(Di(r),...t)},get(e,t,r){if("string"==typeof t&&void 0===e[t]){if(!0!==e.isStackNode&&"assign"===t)return(...e)=>(ni.assign(r,...e),r);if(ai.has(t)){const s=ai.get(t);return e.isStackNode?(...e)=>r.add(s(...e)):(...e)=>s(r,...e)}if("self"===t)return e;if(t.endsWith("Assign")&&ai.has(t.slice(0,t.length-6))){const s=ai.get(t.slice(0,t.length-6));return e.isStackNode?(...e)=>r.assign(e[0],s(...e)):(...e)=>r.assign(s(r,...e))}if(!0===/^[xyzwrgbastpq]{1,4}$/.test(t))return t=ui(t),Li(new Zs(r,t));if(!0===/^set[XYZWRGBASTPQ]{1,4}$/.test(t))return t=li(t.slice(3).toLowerCase()),r=>Li(new Js(e,t,Li(r)));if(!0===/^flip[XYZWRGBASTPQ]{1,4}$/.test(t))return t=li(t.slice(4).toLowerCase()),()=>Li(new ei(Li(e),t));if("width"===t||"height"===t||"depth"===t)return"width"===t?t="x":"height"===t?t="y":"depth"===t&&(t="z"),Li(new Zs(e,t));if(!0===/^\d+$/.test(t))return Li(new qs(r,new si(Number(t),"uint")));if(!0===/^get$/.test(t))return e=>Li(new ii(r,e))}return Reflect.get(e,t,r)},set:(e,t,r,s)=>"string"!=typeof t||void 0!==e[t]||!0!==/^[xyzwrgbastpq]{1,4}$/.test(t)&&"width"!==t&&"height"!==t&&"depth"!==t&&!0!==/^\d+$/.test(t)?Reflect.set(e,t,r,s):(s[t].assign(r),!0)},ci=new WeakMap,hi=new WeakMap,pi=function(e,t=null){for(const r in e)e[r]=Li(e[r],t);return e},gi=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Li(e[s],t);return e},mi=function(e,t=null,r=null,s=null){const i=e=>Li(null!==s?Object.assign(e,s):e);let n,a,o,u=t;function l(t){let r;return r=u?/[a-z]/i.test(u)?u+"()":u:e.type,void 0!==a&&t.length<a?(console.error(`THREE.TSL: "${r}" parameter length is less than minimum required.`),t.concat(new Array(a-t.length).fill(0))):void 0!==o&&t.length>o?(console.error(`THREE.TSL: "${r}" parameter length exceeds limit.`),t.slice(0,o)):t}return null===t?n=(...t)=>i(new e(...Ii(l(t)))):null!==r?(r=Li(r),n=(...s)=>i(new e(t,...Ii(l(s)),r))):n=(...r)=>i(new e(t,...Ii(l(r)))),n.setParameterLength=(...e)=>(1===e.length?a=o=e[0]:2===e.length&&([a,o]=e),n),n.setName=e=>(u=e,n),n},fi=function(e,...t){return Li(new e(...Ii(t)))};class yi extends js{constructor(e,t){super(),this.shaderNode=e,this.inputNodes=t,this.isShaderCallNodeInternal=!0}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,inputNodes:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn;e.subBuildFn=i;let o=null;if(t.layout){let s=hi.get(e.constructor);void 0===s&&(s=new WeakMap,hi.set(e.constructor,s));let i=s.get(t);void 0===i&&(i=Li(e.buildFunctionNode(t)),s.set(t,i)),e.addInclude(i),o=Li(i.call(r))}else{const s=t.jsFunc,i=null!==r||s.length>1?s(r||[],e):s(e);o=Li(i)}return e.subBuildFn=a,t.once&&(s[n]=o),o}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e);if("setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return r}}class bi extends js{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}call(e=null){return Di(e),Li(new yi(this,e))}setup(){return this.call()}}const xi=[!1,!0],Ti=[0,1,2,3],_i=[-1,-2],vi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],Ni=new Map;for(const e of xi)Ni.set(e,new si(e));const Si=new Map;for(const e of Ti)Si.set(e,new si(e,"uint"));const Ei=new Map([...Si].map(e=>new si(e.value,"int")));for(const e of _i)Ei.set(e,new si(e,"int"));const wi=new Map([...Ei].map(e=>new si(e.value)));for(const e of vi)wi.set(e,new si(e));for(const e of vi)wi.set(-e,new si(-e));const Ai={bool:Ni,uint:Si,ints:Ei,float:wi},Ri=new Map([...Ni,...wi]),Ci=(e,t)=>Ri.has(e)?Ri.get(e):!0===e.isNode?e:new si(e,t),Mi=function(e,t=null){return(...r)=>{if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>"object"!=typeof e))&&(r=[Ps(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Li(t.get(r[0]));if(1===r.length){const t=Ci(r[0],e);return t.nodeType===e?Li(t):Li(new Xs(t,e))}const s=r.map(e=>Ci(e));return Li(new Ys(s,e))}},Pi=e=>"object"==typeof e&&null!==e?e.value:e,Bi=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Fi(e,t){return new Proxy(new bi(e,t),di)}const Li=(e,t=null)=>function(e,t=null){const r=Ms(e);if("node"===r){let t=ci.get(e);return void 0===t&&(t=new Proxy(e,di),ci.set(e,t),ci.set(t,t)),t}return null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Li(Ci(e,t)):"shader"===r?e.isFn?e:ki(e):e}(e,t),Di=(e,t=null)=>new pi(e,t),Ii=(e,t=null)=>new gi(e,t),Vi=(...e)=>new mi(...e),Ui=(...e)=>new fi(...e);let Oi=0;const ki=(e,t=null)=>{let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:console.error("THREE.TSL: Invalid layout type."),t=null));const s=new Fi(e,r),i=(...e)=>{let t;Di(e);t=e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)?[...e]:e[0];const i=s.call(t);return"void"===r&&i.toStack(),i};if(i.shaderNode=s,i.id=s.id,i.isFn=!0,i.getNodeType=(...e)=>s.getNodeType(...e),i.getCacheKey=(...e)=>s.getCacheKey(...e),i.setLayout=e=>(s.setLayout(e),i),i.once=(e=null)=>(s.once=!0,s.subBuilds=e,i),null!==t){if("object"!=typeof t.inputs){const e={name:"fn"+Oi++,type:r,inputs:[]};for(const r in t)"return"!==r&&e.inputs.push({name:r,type:t[r]});t=e}i.setLayout(t)}return i},Gi=e=>{ni=e},zi=()=>ni,Hi=(...e)=>ni.If(...e);function $i(e){return ni&&ni.add(e),e}oi("toStack",$i);const Wi=new Mi("color"),ji=new Mi("float",Ai.float),qi=new Mi("int",Ai.ints),Xi=new Mi("uint",Ai.uint),Ki=new Mi("bool",Ai.bool),Yi=new Mi("vec2"),Qi=new Mi("ivec2"),Zi=new Mi("uvec2"),Ji=new Mi("bvec2"),en=new Mi("vec3"),tn=new Mi("ivec3"),rn=new Mi("uvec3"),sn=new Mi("bvec3"),nn=new Mi("vec4"),an=new Mi("ivec4"),on=new Mi("uvec4"),un=new Mi("bvec4"),ln=new Mi("mat2"),dn=new Mi("mat3"),cn=new Mi("mat4");oi("toColor",Wi),oi("toFloat",ji),oi("toInt",qi),oi("toUint",Xi),oi("toBool",Ki),oi("toVec2",Yi),oi("toIVec2",Qi),oi("toUVec2",Zi),oi("toBVec2",Ji),oi("toVec3",en),oi("toIVec3",tn),oi("toUVec3",rn),oi("toBVec3",sn),oi("toVec4",nn),oi("toIVec4",an),oi("toUVec4",on),oi("toBVec4",un),oi("toMat2",ln),oi("toMat3",dn),oi("toMat4",cn);const hn=Vi(qs).setParameterLength(2),pn=(e,t)=>Li(new Xs(Li(e),t));oi("element",hn),oi("convert",pn);oi("append",e=>(console.warn("THREE.TSL: .append() has been renamed to .toStack()."),$i(e)));class gn extends js{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0,this.global=!0}getHash(e){return this.name||super.getHash(e)}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const mn=(e,t)=>Li(new gn(e,t)),fn=(e,t)=>Li(new gn(e,t,!0)),yn=Ui(gn,"vec4","DiffuseColor"),bn=Ui(gn,"vec3","EmissiveColor"),xn=Ui(gn,"float","Roughness"),Tn=Ui(gn,"float","Metalness"),_n=Ui(gn,"float","Clearcoat"),vn=Ui(gn,"float","ClearcoatRoughness"),Nn=Ui(gn,"vec3","Sheen"),Sn=Ui(gn,"float","SheenRoughness"),En=Ui(gn,"float","Iridescence"),wn=Ui(gn,"float","IridescenceIOR"),An=Ui(gn,"float","IridescenceThickness"),Rn=Ui(gn,"float","AlphaT"),Cn=Ui(gn,"float","Anisotropy"),Mn=Ui(gn,"vec3","AnisotropyT"),Pn=Ui(gn,"vec3","AnisotropyB"),Bn=Ui(gn,"color","SpecularColor"),Fn=Ui(gn,"float","SpecularF90"),Ln=Ui(gn,"float","Shininess"),Dn=Ui(gn,"vec4","Output"),In=Ui(gn,"float","dashSize"),Vn=Ui(gn,"float","gapSize"),Un=Ui(gn,"float","pointWidth"),On=Ui(gn,"float","IOR"),kn=Ui(gn,"float","Transmission"),Gn=Ui(gn,"float","Thickness"),zn=Ui(gn,"float","AttenuationDistance"),Hn=Ui(gn,"color","AttenuationColor"),$n=Ui(gn,"float","Dispersion");class Wn extends js{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const jn=e=>new Wn(e),qn=(e,t=0)=>new Wn(e,!0,t),Xn=qn("frame"),Kn=qn("render"),Yn=jn("object");class Qn extends ti{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Yn}label(e){return this.name=e,this}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){const r=this.getSelf();return e=e.bind(r),super.onUpdate(t=>{const s=e(t,r);void 0!==s&&(this.value=s)},t)}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.label),o=e.getPropertyName(a);return void 0!==e.context.label&&delete e.context.label,e.format(o,r,t)}}const Zn=(e,t)=>{const r=Bi(t||e),s=e&&!0===e.isNode?e.node&&e.node.value||e.value:e;return Li(new Qn(s,r))};class Jn extends Ks{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getNodeType(e){return null===this.nodeType&&(this.nodeType=this.values[0].getNodeType(e)),this.nodeType}getElementType(e){return this.getNodeType(e)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const ea=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Jn(null,r.length,r)}else{const r=e[0],s=e[1];t=new Jn(r,s)}return Li(t)};oi("toArray",(e,t)=>ea(Array(t).fill(e)));class ta extends Ks{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return Hs.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=e.getNodeProperties(this);s.sourceNode=r,s.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.getNodeType(e),a=r.build(e),o=s.build(e,n),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=a);else if(i){const s=e.getVarFromNode(this,null,n),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=a)}else d=`${a} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=a));return l.initialized=!0,e.format(d,n,t)}}const ra=Vi(ta).setParameterLength(2);oi("assign",ra);class sa extends Ks{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)console.error("THREE.TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length<s.length)for(console.error("THREE.TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");i.length<s.length;)i.push(ji(0));for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]))}else for(const e of s){const r=i[e.name];void 0!==r?t.push(n(r,e)):(console.error(`THREE.TSL: Input '${e.name}' not found in 'Fn()'.`),t.push(n(ji(0),e)))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const ia=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?Ii(t):Di(t[0]),Li(new sa(Li(e),t)));oi("call",ia);const na={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class aa extends Ks{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new aa(e,t,r);for(let t=0;t<s.length-1;t++)i=new aa(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(na[this.op],t)}getNodeType(e){const t=this.op,r=this.aNode,s=this.bNode,i=r.getNodeType(e),n=s?s.getNodeType(e):null;if("void"===i||"void"===n)return"void";if("%"===t)return i;if("~"===t||"&"===t||"|"===t||"^"===t||">>"===t||"<<"===t)return e.getIntegerType(i);if("!"===t||"&&"===t||"||"===t||"^^"===t)return"bool";if("=="===t||"!="===t||"<"===t||">"===t||"<="===t||">="===t){const t=Math.max(e.getTypeLength(i),e.getTypeLength(n));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(i)){if("float"===n)return i;if(e.isVector(n))return e.getVectorFromMatrix(i);if(e.isMatrix(n))return i}else if(e.isMatrix(n)){if("float"===i)return n;if(e.isVector(i))return e.getVectorFromMatrix(n)}return e.getTypeLength(n)>e.getTypeLength(i)?n:i}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),d=i?i.build(e,o):null,c=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===l;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${d} )`,n,t):e.format(`( ${u} ${r} ${d} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${d} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${d} )`,n,t);if("!"===r||"~"===r)return e.format(`(${r}${u})`,a,t);if(c)return e.format(`${c}( ${u}, ${d} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${d} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${d}`,n,t);{let i=`( ${u} ${r} ${d} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return c?e.format(`${c}( ${u}, ${d} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${d} ${r} ${u}`,n,t):e.format(`${u} ${r} ${d}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const oa=Vi(aa,"+").setParameterLength(2,1/0).setName("add"),ua=Vi(aa,"-").setParameterLength(2,1/0).setName("sub"),la=Vi(aa,"*").setParameterLength(2,1/0).setName("mul"),da=Vi(aa,"/").setParameterLength(2,1/0).setName("div"),ca=Vi(aa,"%").setParameterLength(2).setName("mod"),ha=Vi(aa,"==").setParameterLength(2).setName("equal"),pa=Vi(aa,"!=").setParameterLength(2).setName("notEqual"),ga=Vi(aa,"<").setParameterLength(2).setName("lessThan"),ma=Vi(aa,">").setParameterLength(2).setName("greaterThan"),fa=Vi(aa,"<=").setParameterLength(2).setName("lessThanEqual"),ya=Vi(aa,">=").setParameterLength(2).setName("greaterThanEqual"),ba=Vi(aa,"&&").setParameterLength(2,1/0).setName("and"),xa=Vi(aa,"||").setParameterLength(2,1/0).setName("or"),Ta=Vi(aa,"!").setParameterLength(1).setName("not"),_a=Vi(aa,"^^").setParameterLength(2).setName("xor"),va=Vi(aa,"&").setParameterLength(2).setName("bitAnd"),Na=Vi(aa,"~").setParameterLength(2).setName("bitNot"),Sa=Vi(aa,"|").setParameterLength(2).setName("bitOr"),Ea=Vi(aa,"^").setParameterLength(2).setName("bitXor"),wa=Vi(aa,"<<").setParameterLength(2).setName("shiftLeft"),Aa=Vi(aa,">>").setParameterLength(2).setName("shiftRight"),Ra=ki(([e])=>(e.addAssign(1),e)),Ca=ki(([e])=>(e.subAssign(1),e)),Ma=ki(([e])=>{const t=qi(e).toConst();return e.addAssign(1),t}),Pa=ki(([e])=>{const t=qi(e).toConst();return e.subAssign(1),t});oi("add",oa),oi("sub",ua),oi("mul",la),oi("div",da),oi("mod",ca),oi("equal",ha),oi("notEqual",pa),oi("lessThan",ga),oi("greaterThan",ma),oi("lessThanEqual",fa),oi("greaterThanEqual",ya),oi("and",ba),oi("or",xa),oi("not",Ta),oi("xor",_a),oi("bitAnd",va),oi("bitNot",Na),oi("bitOr",Sa),oi("bitXor",Ea),oi("shiftLeft",wa),oi("shiftRight",Aa),oi("incrementBefore",Ra),oi("decrementBefore",Ca),oi("increment",Ma),oi("decrement",Pa);const Ba=(e,t)=>(console.warn('THREE.TSL: "modInt()" is deprecated. Use "mod( int( ... ) )" instead.'),ca(qi(e),qi(t)));oi("modInt",Ba);class Fa extends Ks{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===Fa.MAX||e===Fa.MIN)&&arguments.length>3){let i=new Fa(e,t,r);for(let t=2;t<arguments.length-1;t++)i=new Fa(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}getNodeType(e){const t=this.method;return t===Fa.LENGTH||t===Fa.DISTANCE||t===Fa.DOT?"float":t===Fa.CROSS?"vec3":t===Fa.ALL||t===Fa.ANY?"bool":t===Fa.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===Fa.ONE_MINUS)i=ua(1,t);else if(s===Fa.RECIPROCAL)i=da(1,t);else if(s===Fa.DIFFERENCE)i=io(ua(t,r));else if(s===Fa.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=nn(en(n),0):s=nn(en(s),0);const a=la(s,n).xyz;i=Ya(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===Fa.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const c=[];return r===Fa.CROSS?c.push(n.build(e,s),a.build(e,s)):u===l&&r===Fa.STEP?c.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==l||r!==Fa.MIN&&r!==Fa.MAX?r===Fa.REFRACT?c.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===Fa.MIX?c.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===d&&r===Fa.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==Fa.DFDX&&r!==Fa.DFDY||(console.warn(`THREE.TSL: '${r}' is not supported in the ${e.shaderStage} stage.`),r="/*"+r+"*/"),c.push(n.build(e,i)),null!==a&&c.push(a.build(e,i)),null!==o&&c.push(o.build(e,i))):c.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${c.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}Fa.ALL="all",Fa.ANY="any",Fa.RADIANS="radians",Fa.DEGREES="degrees",Fa.EXP="exp",Fa.EXP2="exp2",Fa.LOG="log",Fa.LOG2="log2",Fa.SQRT="sqrt",Fa.INVERSE_SQRT="inversesqrt",Fa.FLOOR="floor",Fa.CEIL="ceil",Fa.NORMALIZE="normalize",Fa.FRACT="fract",Fa.SIN="sin",Fa.COS="cos",Fa.TAN="tan",Fa.ASIN="asin",Fa.ACOS="acos",Fa.ATAN="atan",Fa.ABS="abs",Fa.SIGN="sign",Fa.LENGTH="length",Fa.NEGATE="negate",Fa.ONE_MINUS="oneMinus",Fa.DFDX="dFdx",Fa.DFDY="dFdy",Fa.ROUND="round",Fa.RECIPROCAL="reciprocal",Fa.TRUNC="trunc",Fa.FWIDTH="fwidth",Fa.TRANSPOSE="transpose",Fa.BITCAST="bitcast",Fa.EQUALS="equals",Fa.MIN="min",Fa.MAX="max",Fa.STEP="step",Fa.REFLECT="reflect",Fa.DISTANCE="distance",Fa.DIFFERENCE="difference",Fa.DOT="dot",Fa.CROSS="cross",Fa.POW="pow",Fa.TRANSFORM_DIRECTION="transformDirection",Fa.MIX="mix",Fa.CLAMP="clamp",Fa.REFRACT="refract",Fa.SMOOTHSTEP="smoothstep",Fa.FACEFORWARD="faceforward";const La=ji(1e-6),Da=ji(1e6),Ia=ji(Math.PI),Va=ji(2*Math.PI),Ua=Vi(Fa,Fa.ALL).setParameterLength(1),Oa=Vi(Fa,Fa.ANY).setParameterLength(1),ka=Vi(Fa,Fa.RADIANS).setParameterLength(1),Ga=Vi(Fa,Fa.DEGREES).setParameterLength(1),za=Vi(Fa,Fa.EXP).setParameterLength(1),Ha=Vi(Fa,Fa.EXP2).setParameterLength(1),$a=Vi(Fa,Fa.LOG).setParameterLength(1),Wa=Vi(Fa,Fa.LOG2).setParameterLength(1),ja=Vi(Fa,Fa.SQRT).setParameterLength(1),qa=Vi(Fa,Fa.INVERSE_SQRT).setParameterLength(1),Xa=Vi(Fa,Fa.FLOOR).setParameterLength(1),Ka=Vi(Fa,Fa.CEIL).setParameterLength(1),Ya=Vi(Fa,Fa.NORMALIZE).setParameterLength(1),Qa=Vi(Fa,Fa.FRACT).setParameterLength(1),Za=Vi(Fa,Fa.SIN).setParameterLength(1),Ja=Vi(Fa,Fa.COS).setParameterLength(1),eo=Vi(Fa,Fa.TAN).setParameterLength(1),to=Vi(Fa,Fa.ASIN).setParameterLength(1),ro=Vi(Fa,Fa.ACOS).setParameterLength(1),so=Vi(Fa,Fa.ATAN).setParameterLength(1,2),io=Vi(Fa,Fa.ABS).setParameterLength(1),no=Vi(Fa,Fa.SIGN).setParameterLength(1),ao=Vi(Fa,Fa.LENGTH).setParameterLength(1),oo=Vi(Fa,Fa.NEGATE).setParameterLength(1),uo=Vi(Fa,Fa.ONE_MINUS).setParameterLength(1),lo=Vi(Fa,Fa.DFDX).setParameterLength(1),co=Vi(Fa,Fa.DFDY).setParameterLength(1),ho=Vi(Fa,Fa.ROUND).setParameterLength(1),po=Vi(Fa,Fa.RECIPROCAL).setParameterLength(1),go=Vi(Fa,Fa.TRUNC).setParameterLength(1),mo=Vi(Fa,Fa.FWIDTH).setParameterLength(1),fo=Vi(Fa,Fa.TRANSPOSE).setParameterLength(1),yo=Vi(Fa,Fa.BITCAST).setParameterLength(2),bo=(e,t)=>(console.warn('THREE.TSL: "equals" is deprecated. Use "equal" inside a vector instead, like: "bvec*( equal( ... ) )"'),ha(e,t)),xo=Vi(Fa,Fa.MIN).setParameterLength(2,1/0),To=Vi(Fa,Fa.MAX).setParameterLength(2,1/0),_o=Vi(Fa,Fa.STEP).setParameterLength(2),vo=Vi(Fa,Fa.REFLECT).setParameterLength(2),No=Vi(Fa,Fa.DISTANCE).setParameterLength(2),So=Vi(Fa,Fa.DIFFERENCE).setParameterLength(2),Eo=Vi(Fa,Fa.DOT).setParameterLength(2),wo=Vi(Fa,Fa.CROSS).setParameterLength(2),Ao=Vi(Fa,Fa.POW).setParameterLength(2),Ro=Vi(Fa,Fa.POW,2).setParameterLength(1),Co=Vi(Fa,Fa.POW,3).setParameterLength(1),Mo=Vi(Fa,Fa.POW,4).setParameterLength(1),Po=Vi(Fa,Fa.TRANSFORM_DIRECTION).setParameterLength(2),Bo=e=>la(no(e),Ao(io(e),1/3)),Fo=e=>Eo(e,e),Lo=Vi(Fa,Fa.MIX).setParameterLength(3),Do=(e,t=0,r=1)=>Li(new Fa(Fa.CLAMP,Li(e),Li(t),Li(r))),Io=e=>Do(e),Vo=Vi(Fa,Fa.REFRACT).setParameterLength(3),Uo=Vi(Fa,Fa.SMOOTHSTEP).setParameterLength(3),Oo=Vi(Fa,Fa.FACEFORWARD).setParameterLength(3),ko=ki(([e])=>{const t=Eo(e.xy,Yi(12.9898,78.233)),r=ca(t,Ia);return Qa(Za(r).mul(43758.5453))}),Go=(e,t,r)=>Lo(t,r,e),zo=(e,t,r)=>Uo(t,r,e),Ho=(e,t)=>_o(t,e),$o=(e,t)=>(console.warn('THREE.TSL: "atan2" is overloaded. Use "atan" instead.'),so(e,t)),Wo=Oo,jo=qa;oi("all",Ua),oi("any",Oa),oi("equals",bo),oi("radians",ka),oi("degrees",Ga),oi("exp",za),oi("exp2",Ha),oi("log",$a),oi("log2",Wa),oi("sqrt",ja),oi("inverseSqrt",qa),oi("floor",Xa),oi("ceil",Ka),oi("normalize",Ya),oi("fract",Qa),oi("sin",Za),oi("cos",Ja),oi("tan",eo),oi("asin",to),oi("acos",ro),oi("atan",so),oi("abs",io),oi("sign",no),oi("length",ao),oi("lengthSq",Fo),oi("negate",oo),oi("oneMinus",uo),oi("dFdx",lo),oi("dFdy",co),oi("round",ho),oi("reciprocal",po),oi("trunc",go),oi("fwidth",mo),oi("atan2",$o),oi("min",xo),oi("max",To),oi("step",Ho),oi("reflect",vo),oi("distance",No),oi("dot",Eo),oi("cross",wo),oi("pow",Ao),oi("pow2",Ro),oi("pow3",Co),oi("pow4",Mo),oi("transformDirection",Po),oi("mix",Go),oi("clamp",Do),oi("refract",Vo),oi("smoothstep",zo),oi("faceForward",Oo),oi("difference",So),oi("saturate",Io),oi("cbrt",Bo),oi("transpose",fo),oi("rand",ko);class qo extends js{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return this.setup(e),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode.cache(),r=this.ifNode.cache(),s=this.elseNode?this.elseNode.cache():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.getNodeProperties(this);n.condNode=t,n.ifNode=r.context({nodeBlock:r}),n.elseNode=s?s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?mn(r).build(e):"";s.nodeProperty=l;const d=i.build(e,"bool");e.addFlowCode(`\n${e.tab}if ( ${d} ) {\n\n`).addFlowTab();let c=n.build(e,r);if(c&&(u?c=l+" = "+c+";":(c="return "+c+";",null===o&&(console.warn("THREE.TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values."),c="// "+c))),e.removeFlowTab().addFlowCode(e.tab+"\t"+c+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(console.warn("THREE.TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values."),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const Xo=Vi(qo).setParameterLength(2,3);oi("select",Xo);class Ko extends js{static get type(){return"ContextNode"}constructor(e,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}analyze(e){const t=e.getContext();e.setContext({...e.context,...this.value}),this.node.build(e),e.setContext(t)}setup(e){const t=e.getContext();e.setContext({...e.context,...this.value}),this.node.build(e),e.setContext(t)}generate(e,t){const r=e.getContext();e.setContext({...e.context,...this.value});const s=this.node.build(e,t);return e.setContext(r),s}}const Yo=Vi(Ko).setParameterLength(1,2),Qo=(e,t)=>Yo(e,{label:t});oi("context",Yo),oi("label",Qo);class Zo extends js{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,o=!1;s&&(a=e.isDeterministic(t),o=n?s:a);const u=e.getVectorType(this.getNodeType(e)),l=t.build(e,u),d=e.getVarFromNode(this,r,u,void 0,o),c=e.getPropertyName(d);let h=c;if(o)if(n)h=a?`const ${c}`:`let ${c}`;else{const r=e.getArrayCount(t);h=`const ${e.getVar(d.type,c,r)}`}return e.addLineFlowCode(`${h} = ${l}`,this),c}}const Jo=Vi(Zo),eu=(e,t=null)=>Jo(e,t).toStack(),tu=(e,t=null)=>Jo(e,t,!0).toStack();oi("toVar",eu),oi("toConst",tu);const ru=e=>(console.warn('TSL: "temp( node )" is deprecated. Use "Var( node )" or "node.toVar()" instead.'),Jo(e));oi("temp",ru);class su extends js{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}getNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const iu=(e,t,r=null)=>Li(new su(Li(e),t,r));class nu extends js{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=iu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(Is.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(Is.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,Is.VERTEX);e.flowNodeFromShaderStage(Is.VERTEX,r.node,i,n),r[t]=n}return e.getPropertyName(s)}}const au=Vi(nu).setParameterLength(1,2),ou=e=>au(e);oi("toVarying",au),oi("toVertexStage",ou),oi("varying",(...e)=>(console.warn("THREE.TSL: .varying() has been renamed to .toVarying()."),au(...e))),oi("vertexStage",(...e)=>(console.warn("THREE.TSL: .vertexStage() has been renamed to .toVertexStage()."),au(...e)));const uu=ki(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return Lo(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),lu=ki(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return Lo(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),du="WorkingColorSpace";class cu extends Ks{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===du?c.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==c.enabled&&r!==s&&r&&s?(c.getTransfer(r)===h&&(i=nn(uu(i.rgb),i.a)),c.getPrimaries(r)!==c.getPrimaries(s)&&(i=nn(dn(c._getMatrix(new n,r,s)).mul(i.rgb),i.a)),c.getTransfer(s)===h&&(i=nn(lu(i.rgb),i.a)),i):i}}const hu=(e,t)=>Li(new cu(Li(e),du,t)),pu=(e,t)=>Li(new cu(Li(e),t,du));oi("workingToColorSpace",hu),oi("colorSpaceToWorking",pu);let gu=class extends qs{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class mu extends js{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Vs.OBJECT}setGroup(e){return this.group=e,this}element(e){return Li(new gu(this,Li(e)))}setNodeType(e){const t=Zn(null,e).getSelf();null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class fu extends mu{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(Kn)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const yu=(e,t,r=null)=>Li(new fu(e,t,r));class bu extends Ks{static get type(){return"ToneMappingNode"}constructor(e,t=Tu,r=null){super("vec3"),this.toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return Ts(this.toneMapping)}setup(e){const t=this.colorNode||e.context.color,r=this.toneMapping;if(r===p)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=nn(i(t.rgb,this.exposureNode),t.a):(console.error("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const xu=(e,t,r)=>Li(new bu(e,Li(t),Li(r))),Tu=yu("toneMappingExposure","float");oi("toneMapping",(e,t,r)=>xu(t,r,e));class _u extends ti{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=g,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=this.value,s=e.getTypeLength(t),i=this.bufferStride||s,n=this.bufferOffset,a=!0===r.isInterleavedBuffer?r:new m(r,i),o=new f(a,s,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=au(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}const vu=(e,t=null,r=0,s=0)=>Li(new _u(e,t,r,s)),Nu=(e,t=null,r=0,s=0)=>vu(e,t,r,s).setUsage(y),Su=(e,t=null,r=0,s=0)=>vu(e,t,r,s).setInstanced(!0),Eu=(e,t=null,r=0,s=0)=>Nu(e,t,r,s).setInstanced(!0);oi("toAttribute",e=>vu(e.value));class wu extends js{static get type(){return"ComputeNode"}constructor(e,t,r=[64]){super("void"),this.isComputeNode=!0,this.computeNode=e,this.count=t,this.workgroupSize=r,this.dispatchCount=0,this.version=1,this.name="",this.updateBeforeType=Vs.OBJECT,this.onInitFunction=null,this.updateDispatchCount()}dispose(){this.dispatchEvent({type:"dispose"})}label(e){return this.name=e,this}updateDispatchCount(){const{count:e,workgroupSize:t}=this;let r=t[0];for(let e=1;e<t.length;e++)r*=t[e];this.dispatchCount=Math.ceil(e/r)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const Au=(e,t,r)=>Li(new wu(Li(e),t,r));oi("compute",Au);class Ru extends js{static get type(){return"CacheNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isCacheNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}}const Cu=(e,t)=>Li(new Ru(Li(e),t));oi("cache",Cu);class Mu extends js{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const Pu=Vi(Mu).setParameterLength(2);oi("bypass",Pu);class Bu extends js{static get type(){return"RemapNode"}constructor(e,t,r,s=ji(0),i=ji(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let a=e.sub(t).div(r.sub(t));return!0===n&&(a=a.clamp()),a.mul(i.sub(s)).add(s)}}const Fu=Vi(Bu,null,null,{doClamp:!1}).setParameterLength(3,5),Lu=Vi(Bu).setParameterLength(3,5);oi("remap",Fu),oi("remapClamp",Lu);class Du extends js{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const Iu=Vi(Du).setParameterLength(1,2),Vu=e=>(e?Xo(e,Iu("discard")):Iu("discard")).toStack();oi("discard",Vu);class Uu extends Ks{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this.toneMapping?this.toneMapping:e.toneMapping)||p,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||b;return r!==p&&(t=t.toneMapping(r)),s!==b&&s!==c.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const Ou=(e,t=null,r=null)=>Li(new Uu(Li(e),t,r));oi("renderOutput",Ou);class ku extends Ks{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}getNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e),s="--- TSL debug - "+e.shaderStage+" shader ---",i="-".repeat(s.length);let n="";return n+="// #"+s+"#\n",n+=e.flow.code.replace(/^\t/gm,"")+"\n",n+="/* ... */ "+r+" /* ... */\n",n+="// #"+i+"#\n",null!==t?t(e,n):console.log(n),r}}const Gu=(e,t=null)=>Li(new ku(Li(e),t));oi("debug",Gu);class zu extends js{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return au(this).build(e,r)}return console.warn(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Hu=(e,t=null)=>Li(new zu(e,t)),$u=(e=0)=>Hu("uv"+(e>0?e:""),"vec2");class Wu extends js{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const ju=Vi(Wu).setParameterLength(1,2);class qu extends Qn{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Vs.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Xu=Vi(qu).setParameterLength(1),Ku=new x;class Yu extends Qn{static get type(){return"TextureNode"}constructor(e=Ku,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Vs.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===T?"uvec4":this.value.type===_?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return $u(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=Zn(this.value.matrix)),this._matrixUniform.mul(en(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this.updateType=e?Vs.OBJECT:Vs.NONE,this}setupUV(e,t){const r=this.value;return e.isFlipY()&&(r.image instanceof ImageBitmap&&!0===r.flipY||!0===r.isRenderTargetTexture||!0===r.isFramebufferTexture||!0===r.isDepthTexture)&&(t=this.sampler?t.flipY():t.setY(qi(ju(this,this.levelNode).y).sub(t.y).sub(1))),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Error("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().");let s=this.uvNode;null!==s&&!0!==e.context.forceUVContext||!e.context.getUV||(s=e.context.getUV(this,e)),s||(s=this.getDefaultUV()),!0===this.updateMatrix&&(s=this.getTransformedUV(s)),s=this.setupUV(e,s);let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this)),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=this.compareNode,t.gradNode=this.gradNode,t.depthNode=this.depthNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateSnippet(e,t,r,s,i,n,a,o){const u=this.value;let l;return l=s?e.generateTextureLevel(u,t,r,s,n):i?e.generateTextureBias(u,t,r,i,n):o?e.generateTextureGrad(u,t,r,o,n):a?e.generateTextureCompare(u,t,r,a,n):!1===this.sampler?e.generateTextureLoad(u,t,r,n):e.generateTexture(u,t,r,n),l}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this);let a=n.propertyName;if(void 0===a){const{uvNode:t,levelNode:r,biasNode:o,compareNode:u,depthNode:l,gradNode:d}=s,c=this.generateUV(e,t),h=r?r.build(e,"float"):null,p=o?o.build(e,"float"):null,g=l?l.build(e,"int"):null,m=u?u.build(e,"float"):null,f=d?[d[0].build(e,"vec2"),d[1].build(e,"vec2")]:null,y=e.getVarFromNode(this);a=e.getPropertyName(y);const b=this.generateSnippet(e,i,c,h,p,g,m,f);e.addLineFlowCode(`${a} = ${b}`,this),n.snippet=b,n.propertyName=a}let o=a;const u=this.getNodeType(e);return e.needsToWorkingColorSpace(r)&&(o=pu(Iu(o,u),r.colorSpace).setup(e).build(e,u)),e.format(o,u,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}uv(e){return console.warn("THREE.TextureNode: .uv() has been renamed. Use .sample() instead."),this.sample(e)}sample(e){const t=this.clone();return t.uvNode=Li(e),t.referenceNode=this.getSelf(),Li(t)}blur(e){const t=this.clone();t.biasNode=Li(e).mul(Xu(t)),t.referenceNode=this.getSelf();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===v||r.magFilter===v)&&(console.warn("THREE.TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),Li(t)}level(e){const t=this.clone();return t.levelNode=Li(e),t.referenceNode=this.getSelf(),Li(t)}size(e){return ju(this,e)}bias(e){const t=this.clone();return t.biasNode=Li(e),t.referenceNode=this.getSelf(),Li(t)}compare(e){const t=this.clone();return t.compareNode=Li(e),t.referenceNode=this.getSelf(),Li(t)}grad(e,t){const r=this.clone();return r.gradNode=[Li(e),Li(t)],r.referenceNode=this.getSelf(),Li(r)}depth(e){const t=this.clone();return t.depthNode=Li(e),t.referenceNode=this.getSelf(),Li(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix()}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e}}const Qu=Vi(Yu).setParameterLength(1,4).setName("texture"),Zu=(e=Ku,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=Li(e.clone()),i.referenceNode=e.getSelf(),null!==t&&(i.uvNode=Li(t)),null!==r&&(i.levelNode=Li(r)),null!==s&&(i.biasNode=Li(s))):i=Qu(e,t,r,s),i},Ju=(...e)=>Zu(...e).setSampler(!1);class el extends Qn{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const tl=(e,t,r)=>Li(new el(e,t,r));class rl extends qs{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class sl extends el{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?Ms(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Vs.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,super.setup(e)}element(e){return Li(new rl(this,Li(e)))}}const il=(e,t)=>Li(new sl(e,t));const nl=Vi(class extends js{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}).setParameterLength(1),al=Zn(0,"uint").label("u_cameraIndex").setGroup(qn("cameraIndex")).toVarying("v_cameraIndex"),ol=Zn("float").label("cameraNear").setGroup(Kn).onRenderUpdate(({camera:e})=>e.near),ul=Zn("float").label("cameraFar").setGroup(Kn).onRenderUpdate(({camera:e})=>e.far),ll=ki(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);t=il(r).setGroup(Kn).label("cameraProjectionMatrices").element(e.isMultiViewCamera?nl("gl_ViewID_OVR"):al).toVar("cameraProjectionMatrix")}else t=Zn("mat4").label("cameraProjectionMatrix").setGroup(Kn).onRenderUpdate(({camera:e})=>e.projectionMatrix);return t}).once()(),dl=ki(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);t=il(r).setGroup(Kn).label("cameraProjectionMatricesInverse").element(e.isMultiViewCamera?nl("gl_ViewID_OVR"):al).toVar("cameraProjectionMatrixInverse")}else t=Zn("mat4").label("cameraProjectionMatrixInverse").setGroup(Kn).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse);return t}).once()(),cl=ki(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);t=il(r).setGroup(Kn).label("cameraViewMatrices").element(e.isMultiViewCamera?nl("gl_ViewID_OVR"):al).toVar("cameraViewMatrix")}else t=Zn("mat4").label("cameraViewMatrix").setGroup(Kn).onRenderUpdate(({camera:e})=>e.matrixWorldInverse);return t}).once()(),hl=Zn("mat4").label("cameraWorldMatrix").setGroup(Kn).onRenderUpdate(({camera:e})=>e.matrixWorld),pl=Zn("mat3").label("cameraNormalMatrix").setGroup(Kn).onRenderUpdate(({camera:e})=>e.normalMatrix),gl=Zn(new r).label("cameraPosition").setGroup(Kn).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld)),ml=new N;class fl extends js{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Vs.OBJECT,this.uniformNode=new Qn(null)}getNodeType(){const e=this.scope;return e===fl.WORLD_MATRIX?"mat4":e===fl.POSITION||e===fl.VIEW_POSITION||e===fl.DIRECTION||e===fl.SCALE?"vec3":e===fl.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===fl.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===fl.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===fl.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===fl.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===fl.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===fl.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),ml.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=ml.radius}}generate(e){const t=this.scope;return t===fl.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===fl.POSITION||t===fl.VIEW_POSITION||t===fl.DIRECTION||t===fl.SCALE?this.uniformNode.nodeType="vec3":t===fl.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}fl.WORLD_MATRIX="worldMatrix",fl.POSITION="position",fl.SCALE="scale",fl.VIEW_POSITION="viewPosition",fl.DIRECTION="direction",fl.RADIUS="radius";const yl=Vi(fl,fl.DIRECTION).setParameterLength(1),bl=Vi(fl,fl.WORLD_MATRIX).setParameterLength(1),xl=Vi(fl,fl.POSITION).setParameterLength(1),Tl=Vi(fl,fl.SCALE).setParameterLength(1),_l=Vi(fl,fl.VIEW_POSITION).setParameterLength(1),vl=Vi(fl,fl.RADIUS).setParameterLength(1);class Nl extends fl{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const Sl=Ui(Nl,Nl.DIRECTION),El=Ui(Nl,Nl.WORLD_MATRIX),wl=Ui(Nl,Nl.POSITION),Al=Ui(Nl,Nl.SCALE),Rl=Ui(Nl,Nl.VIEW_POSITION),Cl=Ui(Nl,Nl.RADIUS),Ml=Zn(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),Pl=Zn(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),Bl=ki(e=>e.renderer.overrideNodes.modelViewMatrix||Fl).once()().toVar("modelViewMatrix"),Fl=cl.mul(El),Ll=ki(e=>(e.context.isHighPrecisionModelViewMatrix=!0,Zn("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),Dl=ki(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return Zn("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),Il=Hu("position","vec3"),Vl=Il.toVarying("positionLocal"),Ul=Il.toVarying("positionPrevious"),Ol=ki(e=>El.mul(Vl).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),kl=ki(()=>Vl.transformDirection(El).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Gl=ki(e=>e.context.setupPositionView().toVarying("v_positionView"),"vec3").once(["POSITION"])(),zl=Gl.negate().toVarying("v_positionViewDirection").normalize().toVar("positionViewDirection");class Hl extends js{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{renderer:t,material:r}=e;return t.coordinateSystem===l&&r.side===S?"false":e.getFrontFacing()}}const $l=Ui(Hl),Wl=ji($l).mul(2).sub(1),jl=ki(([e],{material:t})=>{const r=t.side;return r===S?e=e.mul(-1):r===E&&(e=e.mul(Wl)),e}),ql=Hu("normal","vec3"),Xl=ki(e=>!1===e.geometry.hasAttribute("normal")?(console.warn('THREE.TSL: Vertex attribute "normal" not found on geometry.'),en(0,1,0)):ql,"vec3").once()().toVar("normalLocal"),Kl=Gl.dFdx().cross(Gl.dFdy()).normalize().toVar("normalFlat"),Yl=ki(e=>{let t;return t=!0===e.material.flatShading?Kl:rd(Xl).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),Ql=ki(e=>{let t=Yl.transformDirection(cl);return!0!==e.material.flatShading&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),Zl=ki(({subBuildFn:e,material:t,context:r})=>{let s;return"NORMAL"===e||"VERTEX"===e?(s=Yl,!0!==t.flatShading&&(s=jl(s))):s=r.setupNormal().context({getUV:null}),s},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),Jl=Zl.transformDirection(cl).toVar("normalWorld"),ed=ki(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?Zl:t.setupClearcoatNormal().context({getUV:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),td=ki(([e,t=El])=>{const r=dn(t),s=e.div(en(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),rd=ki(([e],t)=>{const r=t.renderer.overrideNodes.modelNormalViewMatrix;if(null!==r)return r.transformDirection(e);const s=Ml.mul(e);return cl.transformDirection(s)}),sd=ki(()=>(console.warn('THREE.TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),Zl)).once(["NORMAL","VERTEX"])(),id=ki(()=>(console.warn('THREE.TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),Jl)).once(["NORMAL","VERTEX"])(),nd=ki(()=>(console.warn('THREE.TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),ed)).once(["NORMAL","VERTEX"])(),ad=new w,od=new a,ud=Zn(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),ld=Zn(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),dd=Zn(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?(ad.copy(r),od.makeRotationFromEuler(ad)):od.identity(),od}),cd=zl.negate().reflect(Zl),hd=zl.negate().refract(Zl,ud),pd=cd.transformDirection(cl).toVar("reflectVector"),gd=hd.transformDirection(cl).toVar("reflectVector"),md=new A;class fd extends Yu{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===R?pd:e.mapping===C?gd:(console.error('THREE.CubeTextureNode: Mapping "%s" not supported.',e.mapping),en(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return e.renderer.coordinateSystem!==d&&r.isRenderTargetTexture||(t=en(t.x.negate(),t.yz)),dd.mul(t)}generateUV(e,t){return t.build(e,"vec3")}}const yd=Vi(fd).setParameterLength(1,4).setName("cubeTexture"),bd=(e=md,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=Li(e.clone()),i.referenceNode=e.getSelf(),null!==t&&(i.uvNode=Li(t)),null!==r&&(i.levelNode=Li(r)),null!==s&&(i.biasNode=Li(s))):i=yd(e,t,r,s),i};class xd extends qs{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class Td extends js{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Vs.OBJECT}element(e){return Li(new xd(this,Li(e)))}setGroup(e){return this.group=e,this}label(e){return this.name=e,this}setNodeType(e){let t=null;t=null!==this.count?tl(null,e,this.count):Array.isArray(this.getValueFromReference())?il(null,e):"texture"===e?Zu(null):"cubeTexture"===e?bd(null):Zn(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.label(this.name),this.node=t.getSelf()}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const _d=(e,t,r)=>Li(new Td(e,t,r)),vd=(e,t,r,s)=>Li(new Td(e,t,s,r));class Nd extends Td{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const Sd=(e,t,r=null)=>Li(new Nd(e,t,r)),Ed=$u(),wd=Gl.dFdx(),Ad=Gl.dFdy(),Rd=Ed.dFdx(),Cd=Ed.dFdy(),Md=Zl,Pd=Ad.cross(Md),Bd=Md.cross(wd),Fd=Pd.mul(Rd.x).add(Bd.mul(Cd.x)),Ld=Pd.mul(Rd.y).add(Bd.mul(Cd.y)),Dd=Fd.dot(Fd).max(Ld.dot(Ld)),Id=Dd.equal(0).select(0,Dd.inverseSqrt()),Vd=Fd.mul(Id).toVar("tangentViewFrame"),Ud=Ld.mul(Id).toVar("bitangentViewFrame"),Od=ki(e=>(!1===e.geometry.hasAttribute("tangent")&&e.geometry.computeTangents(),Hu("tangent","vec4")))(),kd=Od.xyz.toVar("tangentLocal"),Gd=ki(({subBuildFn:e,geometry:t,material:r})=>{let s;return s="VERTEX"===e||t.hasAttribute("tangent")?Bl.mul(nn(kd,0)).xyz.toVarying("v_tangentView").normalize():Vd,!0!==r.flatShading&&(s=jl(s)),s},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),zd=Gd.transformDirection(cl).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),Hd=ki(([e,t],{subBuildFn:r,material:s})=>{let i=e.mul(Od.w).xyz;return"NORMAL"===r&&!0!==s.flatShading&&(i=i.toVarying(t)),i}).once(["NORMAL"]),$d=Hd(ql.cross(Od),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),Wd=Hd(Xl.cross(kd),"v_bitangentLocal").normalize().toVar("bitangentLocal"),jd=ki(({subBuildFn:e,geometry:t,material:r})=>{let s;return s="VERTEX"===e||t.hasAttribute("tangent")?Hd(Zl.cross(Gd),"v_bitangentView").normalize():Ud,!0!==r.flatShading&&(s=jl(s)),s},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),qd=Hd(Jl.cross(zd),"v_bitangentWorld").normalize().toVar("bitangentWorld"),Xd=dn(Gd,jd,Zl).toVar("TBNViewMatrix"),Kd=zl.mul(Xd),Yd=ki(()=>{let e=Pn.cross(zl);return e=e.cross(Pn).normalize(),e=Lo(e,Zl,Cn.mul(xn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()();class Qd extends Ks{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=M}setup({material:e}){const{normalMapType:t,scaleNode:r}=this;let s=this.node.mul(2).sub(1);if(null!==r){let t=r;!0===e.flatShading&&(t=jl(t)),s=en(s.xy.mul(t),s.z)}let i=null;return t===P?i=rd(s):t===M?i=Xd.mul(s).normalize():(console.error(`THREE.NodeMaterial: Unsupported normal map type: ${t}`),i=Zl),i}}const Zd=Vi(Qd).setParameterLength(1,2),Jd=ki(({textureNode:e,bumpScale:t})=>{const r=t=>e.cache().context({getUV:e=>t(e.uvNode||$u()),forceUVContext:!0}),s=ji(r(e=>e));return Yi(ji(r(e=>e.add(e.dFdx()))).sub(s),ji(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),ec=ki(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(Wl),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class tc extends Ks{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=Jd({textureNode:this.textureNode,bumpScale:e});return ec({surf_pos:Gl,surf_norm:Zl,dHdxy:t})}}const rc=Vi(tc).setParameterLength(1,2),sc=new Map;class ic extends js{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=sc.get(e);return void 0===r&&(r=Sd(e,t),sc.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===ic.COLOR){const e=void 0!==t.color?this.getColor(r):en();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===ic.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===ic.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:ji(1);else if(r===ic.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===ic.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===ic.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===ic.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===ic.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===ic.NORMAL)t.normalMap?(s=Zd(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType):s=t.bumpMap?rc(this.getTexture("bump").r,this.getFloat("bumpScale")):Zl;else if(r===ic.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===ic.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===ic.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?Zd(this.getTexture(r),this.getCache(r+"Scale","vec2")):Zl;else if(r===ic.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===ic.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(.07,1)}else if(r===ic.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=ln(zc.x,zc.y,zc.y.negate(),zc.x).mul(e.rg.mul(2).sub(Yi(1)).normalize().mul(e.b))}else s=zc;else if(r===ic.IRIDESCENCE_THICKNESS){const e=_d("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=_d("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===ic.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===ic.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===ic.IOR)s=this.getFloat(r);else if(r===ic.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===ic.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else if(r===ic.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):ji(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}ic.ALPHA_TEST="alphaTest",ic.COLOR="color",ic.OPACITY="opacity",ic.SHININESS="shininess",ic.SPECULAR="specular",ic.SPECULAR_STRENGTH="specularStrength",ic.SPECULAR_INTENSITY="specularIntensity",ic.SPECULAR_COLOR="specularColor",ic.REFLECTIVITY="reflectivity",ic.ROUGHNESS="roughness",ic.METALNESS="metalness",ic.NORMAL="normal",ic.CLEARCOAT="clearcoat",ic.CLEARCOAT_ROUGHNESS="clearcoatRoughness",ic.CLEARCOAT_NORMAL="clearcoatNormal",ic.EMISSIVE="emissive",ic.ROTATION="rotation",ic.SHEEN="sheen",ic.SHEEN_ROUGHNESS="sheenRoughness",ic.ANISOTROPY="anisotropy",ic.IRIDESCENCE="iridescence",ic.IRIDESCENCE_IOR="iridescenceIOR",ic.IRIDESCENCE_THICKNESS="iridescenceThickness",ic.IOR="ior",ic.TRANSMISSION="transmission",ic.THICKNESS="thickness",ic.ATTENUATION_DISTANCE="attenuationDistance",ic.ATTENUATION_COLOR="attenuationColor",ic.LINE_SCALE="scale",ic.LINE_DASH_SIZE="dashSize",ic.LINE_GAP_SIZE="gapSize",ic.LINE_WIDTH="linewidth",ic.LINE_DASH_OFFSET="dashOffset",ic.POINT_SIZE="size",ic.DISPERSION="dispersion",ic.LIGHT_MAP="light",ic.AO="ao";const nc=Ui(ic,ic.ALPHA_TEST),ac=Ui(ic,ic.COLOR),oc=Ui(ic,ic.SHININESS),uc=Ui(ic,ic.EMISSIVE),lc=Ui(ic,ic.OPACITY),dc=Ui(ic,ic.SPECULAR),cc=Ui(ic,ic.SPECULAR_INTENSITY),hc=Ui(ic,ic.SPECULAR_COLOR),pc=Ui(ic,ic.SPECULAR_STRENGTH),gc=Ui(ic,ic.REFLECTIVITY),mc=Ui(ic,ic.ROUGHNESS),fc=Ui(ic,ic.METALNESS),yc=Ui(ic,ic.NORMAL),bc=Ui(ic,ic.CLEARCOAT),xc=Ui(ic,ic.CLEARCOAT_ROUGHNESS),Tc=Ui(ic,ic.CLEARCOAT_NORMAL),_c=Ui(ic,ic.ROTATION),vc=Ui(ic,ic.SHEEN),Nc=Ui(ic,ic.SHEEN_ROUGHNESS),Sc=Ui(ic,ic.ANISOTROPY),Ec=Ui(ic,ic.IRIDESCENCE),wc=Ui(ic,ic.IRIDESCENCE_IOR),Ac=Ui(ic,ic.IRIDESCENCE_THICKNESS),Rc=Ui(ic,ic.TRANSMISSION),Cc=Ui(ic,ic.THICKNESS),Mc=Ui(ic,ic.IOR),Pc=Ui(ic,ic.ATTENUATION_DISTANCE),Bc=Ui(ic,ic.ATTENUATION_COLOR),Fc=Ui(ic,ic.LINE_SCALE),Lc=Ui(ic,ic.LINE_DASH_SIZE),Dc=Ui(ic,ic.LINE_GAP_SIZE),Ic=Ui(ic,ic.LINE_WIDTH),Vc=Ui(ic,ic.LINE_DASH_OFFSET),Uc=Ui(ic,ic.POINT_SIZE),Oc=Ui(ic,ic.DISPERSION),kc=Ui(ic,ic.LIGHT_MAP),Gc=Ui(ic,ic.AO),zc=Zn(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),Hc=ki(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class $c extends js{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===$c.VERTEX)s=e.getVertexIndex();else if(r===$c.INSTANCE)s=e.getInstanceIndex();else if(r===$c.DRAW)s=e.getDrawIndex();else if(r===$c.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===$c.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==$c.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=au(this).build(e,t)}return i}}$c.VERTEX="vertex",$c.INSTANCE="instance",$c.SUBGROUP="subgroup",$c.INVOCATION_LOCAL="invocationLocal",$c.INVOCATION_SUBGROUP="invocationSubgroup",$c.DRAW="draw";const Wc=Ui($c,$c.VERTEX),jc=Ui($c,$c.INSTANCE),qc=Ui($c,$c.SUBGROUP),Xc=Ui($c,$c.INVOCATION_SUBGROUP),Kc=Ui($c,$c.INVOCATION_LOCAL),Yc=Ui($c,$c.DRAW);class Qc extends js{static get type(){return"InstanceNode"}constructor(e,t,r=null){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Vs.FRAME,this.buffer=null,this.bufferColor=null}setup(e){const{count:t,instanceMatrix:r,instanceColor:s}=this;let{instanceMatrixNode:i,instanceColorNode:n}=this;if(null===i){if(t<=1e3)i=tl(r.array,"mat4",Math.max(t,1)).element(jc);else{const e=new B(r.array,16,1);this.buffer=e;const t=r.usage===y?Eu:Su,s=[t(e,"vec4",16,0),t(e,"vec4",16,4),t(e,"vec4",16,8),t(e,"vec4",16,12)];i=cn(...s)}this.instanceMatrixNode=i}if(s&&null===n){const e=new F(s.array,3),t=s.usage===y?Eu:Su;this.bufferColor=e,n=en(t(e,"vec3",3,0)),this.instanceColorNode=n}const a=i.mul(Vl).xyz;if(Vl.assign(a),e.hasGeometryAttribute("normal")){const e=td(Xl,i);Xl.assign(e)}null!==this.instanceColorNode&&fn("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.instanceMatrix.usage!==y&&null!==this.buffer&&this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version),this.instanceColor&&this.instanceColor.usage!==y&&null!==this.bufferColor&&this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)}}const Zc=Vi(Qc).setParameterLength(2,3);class Jc extends Qc{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const eh=Vi(Jc).setParameterLength(1);class th extends js{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=jc:this.batchingIdNode=Yc);const t=ki(([e])=>{const t=qi(ju(Ju(this.batchMesh._indirectTexture),0).x),r=qi(e).mod(t),s=qi(e).div(t);return Ju(this.batchMesh._indirectTexture,Qi(r,s)).x}).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(qi(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=qi(ju(Ju(s),0).x),n=ji(r).mul(4).toInt().toVar(),a=n.mod(i),o=n.div(i),u=cn(Ju(s,Qi(a,o)),Ju(s,Qi(a.add(1),o)),Ju(s,Qi(a.add(2),o)),Ju(s,Qi(a.add(3),o))),l=this.batchMesh._colorsTexture;if(null!==l){const e=ki(([e])=>{const t=qi(ju(Ju(l),0).x),r=e,s=r.mod(t),i=r.div(t);return Ju(l,Qi(s,i)).rgb}).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);fn("vec3","vBatchColor").assign(t)}const d=dn(u);Vl.assign(u.mul(Vl));const c=Xl.div(en(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;Xl.assign(h),e.hasGeometryAttribute("tangent")&&kd.mulAssign(d)}}const rh=Vi(th).setParameterLength(1);class sh extends qs{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const ih=Vi(sh).setParameterLength(2);class nh extends el{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStruct?(s="struct",i=t.layout,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=Es(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=Os.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return ih(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(Os.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=vu(this.value),this._varying=au(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const ah=(e,t=null,r=0)=>Li(new nh(e,t,r)),oh=new WeakMap;class uh extends js{static get type(){return"SkinningNode"}constructor(e){super("void"),this.skinnedMesh=e,this.updateType=Vs.OBJECT,this.skinIndexNode=Hu("skinIndex","uvec4"),this.skinWeightNode=Hu("skinWeight","vec4"),this.bindMatrixNode=_d("bindMatrix","mat4"),this.bindMatrixInverseNode=_d("bindMatrixInverse","mat4"),this.boneMatricesNode=vd("skeleton.boneMatrices","mat4",e.skeleton.bones.length),this.positionNode=Vl,this.toPositionNode=Vl,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=this.positionNode){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=oa(a.mul(s.x).mul(d),o.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormal(e=this.boneMatricesNode,t=Xl){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w);let d=oa(s.x.mul(a),s.y.mul(o),s.z.mul(u),s.w.mul(l));return d=n.mul(d).mul(i),d.transformDirection(t).xyz}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=vd("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,Ul)}needsPreviousBoneMatrices(e){const t=e.renderer.getMRT();return t&&t.has("velocity")||!0===Bs(e.object).useVelocity}setup(e){this.needsPreviousBoneMatrices(e)&&Ul.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(this.toPositionNode&&this.toPositionNode.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();Xl.assign(t),e.hasGeometryAttribute("tangent")&&kd.assign(t)}return t}generate(e,t){if("void"!==t)return super.generate(e,t)}update(e){const t=e.object&&e.object.skeleton?e.object.skeleton:this.skinnedMesh.skeleton;oh.get(t)!==e.frameId&&(oh.set(t,e.frameId),null!==this.previousBoneMatricesNode&&t.previousBoneMatrices.set(t.boneMatrices),t.update())}}const lh=e=>Li(new uh(e));class dh extends js{static get type(){return"LoopNode"}constructor(e=[]){super(),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=Iu(s,i)}const s=e.addStack();t.returnsNode=this.params[this.params.length-1](r,e),t.stackNode=s;const i=this.params[0];return!0!==i.isNode&&"function"==typeof i.update&&(t.updateNode=ki(this.params[0].update)(r)),e.removeStack(),t}getNodeType(e){const{returnsNode:t}=this.getProperties(e);return t?t.getNodeType(e):"void"}setup(e){this.getProperties(e)}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,o=null,u=null,l=null,d=null,c=null,h=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,d="bool",u=i.build(e,d)):(d="int",l=this.getVarName(s),o="0",u=i.build(e,d),c="<"):(d=i.type||"int",l=i.name||this.getVarName(s),o=i.start,u=i.end,c=i.condition,h=i.update,"number"==typeof o?o=e.generateConst(d,o):o&&o.isNode&&(o=o.build(e,d)),"number"==typeof u?u=e.generateConst(d,u):u&&u.isNode&&(u=u.build(e,d)),void 0!==o&&void 0===u?(o+=" - 1",u="0",c=">="):void 0!==u&&void 0===o&&(o="0",c="<"),void 0===c&&(c=Number(o)>Number(u)?">=":"<")),a)n=`while ( ${u} )`;else{const r={start:o,end:u},s=r.start,i=r.end;let a;const p=()=>c.includes("<")?"+=":"-=";if(null!=h)switch(typeof h){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=l+" "+p()+" "+e.generateConst(d,h);break;case"string":a=l+" "+h;break;default:h.isNode?a=l+" "+p()+" "+h.build(e):(console.error("THREE.TSL: 'Loop( { update: ... } )' is not a function, string or number."),a="break /* invalid update */")}else h="int"===d||"uint"===d?c.includes("<")?"++":"--":p()+" 1.",a=l+" "+h;n=`for ( ${e.getVar(d,l)+" = "+s}; ${l+" "+c+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void"),n=t.returnsNode?t.returnsNode.build(e):"";e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();return e.addFlowTab(),n}}const ch=(...e)=>Li(new dh(Ii(e,"int"))).toStack(),hh=()=>Iu("break").toStack(),ph=new WeakMap,gh=new s,mh=ki(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=qi(Wc).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return Ju(e,Qi(u,o)).depth(i).xyz.mul(t)});class fh extends js{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=Zn(1),this.updateType=Vs.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0,{texture:o,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=ph.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new L(m,h,p,a);f.type=D,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const E=S*y;!0===r&&(gh.fromBufferAttribute(T,S),m[N+E+0]=gh.x,m[N+E+1]=gh.y,m[N+E+2]=gh.z,m[N+E+3]=0),!0===s&&(gh.fromBufferAttribute(_,S),m[N+E+4]=gh.x,m[N+E+5]=gh.y,m[N+E+6]=gh.z,m[N+E+7]=0),!0===i&&(gh.fromBufferAttribute(v,S),m[N+E+8]=gh.x,m[N+E+9]=gh.y,m[N+E+10]=gh.z,m[N+E+11]=4===v.itemSize?gh.w:1)}}function b(){f.dispose(),ph.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},ph.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&Vl.mulAssign(this.morphBaseInfluence),!0===i&&Xl.mulAssign(this.morphBaseInfluence);const d=qi(l.width);ch(a,({i:e})=>{const t=ji(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Ju(this.mesh.morphTexture,Qi(qi(e).add(1),qi(jc))).r):t.assign(_d("morphTargetInfluences","float").element(e).toVar()),Hi(t.notEqual(0),()=>{!0===s&&Vl.addAssign(mh({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:qi(0)})),!0===i&&Xl.addAssign(mh({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:qi(1)}))})})}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce((e,t)=>e+t,0)}}const yh=Vi(fh).setParameterLength(1);class bh extends js{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class xh extends bh{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Th extends Ko{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:en().toVar("directDiffuse"),directSpecular:en().toVar("directSpecular"),indirectDiffuse:en().toVar("indirectDiffuse"),indirectSpecular:en().toVar("indirectSpecular")};return{radiance:en().toVar("radiance"),irradiance:en().toVar("irradiance"),iblIrradiance:en().toVar("iblIrradiance"),ambientOcclusion:ji(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const _h=Vi(Th);class vh extends bh{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}let Nh,Sh;class Eh extends js{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this.isViewportNode=!0}getNodeType(){return this.scope===Eh.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Vs.NONE;return this.scope!==Eh.SIZE&&this.scope!==Eh.VIEWPORT||(e=Vs.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Eh.VIEWPORT?null!==t?Sh.copy(t.viewport):(e.getViewport(Sh),Sh.multiplyScalar(e.getPixelRatio())):null!==t?(Nh.width=t.width,Nh.height=t.height):e.getDrawingBufferSize(Nh)}setup(){const e=this.scope;let r=null;return r=e===Eh.SIZE?Zn(Nh||(Nh=new t)):e===Eh.VIEWPORT?Zn(Sh||(Sh=new s)):Yi(Rh.div(Ah)),r}generate(e){if(this.scope===Eh.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Ah).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Eh.COORDINATE="coordinate",Eh.VIEWPORT="viewport",Eh.SIZE="size",Eh.UV="uv";const wh=Ui(Eh,Eh.UV),Ah=Ui(Eh,Eh.SIZE),Rh=Ui(Eh,Eh.COORDINATE),Ch=Ui(Eh,Eh.VIEWPORT),Mh=Ch.zw,Ph=Rh.sub(Ch.xy),Bh=Ph.div(Mh),Fh=ki(()=>(console.warn('THREE.TSL: "viewportResolution" is deprecated. Use "screenSize" instead.'),Ah),"vec2").once()(),Lh=new t;class Dh extends Yu{static get type(){return"ViewportTextureNode"}constructor(e=wh,t=null,r=null){null===r&&((r=new I).minFilter=V),super(r,e,t),this.generateMipmaps=!1,this.isOutputTextureNode=!0,this.updateBeforeType=Vs.FRAME}updateBefore(e){const t=e.renderer;t.getDrawingBufferSize(Lh);const r=this.value;r.image.width===Lh.width&&r.image.height===Lh.height||(r.image.width=Lh.width,r.image.height=Lh.height,r.needsUpdate=!0);const s=r.generateMipmaps;r.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(r),r.generateMipmaps=s}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const Ih=Vi(Dh).setParameterLength(0,3),Vh=Vi(Dh,null,null,{generateMipmaps:!0}).setParameterLength(0,3);let Uh=null;class Oh extends Dh{static get type(){return"ViewportDepthTextureNode"}constructor(e=wh,t=null){null===Uh&&(Uh=new U),super(e,t,Uh)}}const kh=Vi(Oh).setParameterLength(0,2);class Gh extends js{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===Gh.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===Gh.DEPTH_BASE)null!==r&&(s=jh().assign(r));else if(t===Gh.DEPTH)s=e.isPerspectiveCamera?Hh(Gl.z,ol,ul):zh(Gl.z,ol,ul);else if(t===Gh.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=$h(r,ol,ul);s=zh(e,ol,ul)}else s=r;else s=zh(Gl.z,ol,ul);return s}}Gh.DEPTH_BASE="depthBase",Gh.DEPTH="depth",Gh.LINEAR_DEPTH="linearDepth";const zh=(e,t,r)=>e.add(t).div(t.sub(r)),Hh=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),$h=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),Wh=(e,t,r)=>{t=t.max(1e-6).toVar();const s=Wa(e.negate().div(t)),i=Wa(r.div(t));return s.div(i)},jh=Vi(Gh,Gh.DEPTH_BASE),qh=Ui(Gh,Gh.DEPTH),Xh=Vi(Gh,Gh.LINEAR_DEPTH).setParameterLength(0,1),Kh=Xh(kh());qh.assign=e=>jh(e);class Yh extends js{static get type(){return"ClippingNode"}constructor(e=Yh.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===Yh.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===Yh.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return ki(()=>{const r=ji().toVar("distanceToPlane"),s=ji().toVar("distanceToGradient"),i=ji(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=il(t);ch(n,({i:t})=>{const n=e.element(t);r.assign(Gl.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(Uo(s.negate(),s,r))})}const a=e.length;if(a>0){const t=il(e),n=ji(1).toVar("intersectionClipOpacity");ch(a,({i:e})=>{const i=t.element(e);r.assign(Gl.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(Uo(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}yn.a.mulAssign(i),yn.a.equal(0).discard()})()}setupDefault(e,t){return ki(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=il(t);ch(r,({i:t})=>{const r=e.element(t);Gl.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=il(e),r=Ki(!0).toVar("clipped");ch(s,({i:e})=>{const s=t.element(e);r.assign(Gl.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),ki(()=>{const s=il(e),i=nl(t.getClipDistance());ch(r,({i:e})=>{const t=s.element(e),r=Gl.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}Yh.ALPHA_TO_COVERAGE="alphaToCoverage",Yh.DEFAULT="default",Yh.HARDWARE="hardware";const Qh=ki(([e])=>Qa(la(1e4,Za(la(17,e.x).add(la(.1,e.y)))).mul(oa(.1,io(Za(la(13,e.y).add(e.x))))))),Zh=ki(([e])=>Qh(Yi(Qh(e.xy),e.z))),Jh=ki(([e])=>{const t=To(ao(lo(e.xyz)),ao(co(e.xyz))),r=ji(1).div(ji(.05).mul(t)).toVar("pixScale"),s=Yi(Ha(Xa(Wa(r))),Ha(Ka(Wa(r)))),i=Yi(Zh(Xa(s.x.mul(e.xyz))),Zh(Xa(s.y.mul(e.xyz)))),n=Qa(Wa(r)),a=oa(la(n.oneMinus(),i.x),la(n,i.y)),o=xo(n,n.oneMinus()),u=en(a.mul(a).div(la(2,o).mul(ua(1,o))),a.sub(la(.5,o)).div(ua(1,o)),ua(1,ua(1,a).mul(ua(1,a)).div(la(2,o).mul(ua(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return Do(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class ep extends zu{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const tp=(e=0)=>Li(new ep(e)),rp=ki(([e,t])=>xo(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),sp=ki(([e,t])=>xo(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),ip=ki(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),np=ki(([e,t])=>Lo(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),_o(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),ap=ki(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return nn(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),op=ki(([e])=>nn(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),up=ki(([e])=>(Hi(e.a.equal(0),()=>nn(0)),nn(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class lp extends O{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,Object.defineProperty(this,"shadowPositionNode",{get:()=>this.receivedShadowPositionNode,set:e=>{console.warn('THREE.NodeMaterial: ".shadowPositionNode" was renamed to ".receivedShadowPositionNode".'),this.receivedShadowPositionNode=e}})}customProgramCacheKey(){return this.type+_s(this)}build(e){this.setup(e)}setupObserver(e){return new fs(e)}setup(e){e.context.setupNormal=()=>iu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();e.addStack();const s=iu(this.setupVertex(e),"VERTEX"),i=this.vertexNode||s;let n;e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.add(a);const i=nn(s,yn.a).max(0);n=this.setupOutput(e,i),Dn.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&Dn.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=nn(t)),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.samples;this.alphaToCoverage&&t>1?s=Li(new Yh(Yh.ALPHA_TO_COVERAGE)):e.stack.add(Li(new Yh))}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.add(Li(new Yh(Yh.HARDWARE))),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Wh(Gl.z,ol,ul):zh(Gl.z,ol,ul))}null!==s&&qh.assign(s).toStack()}setupPositionView(){return Bl.mul(Vl).xyz}setupModelViewProjection(){return ll.mul(Gl)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.vertex=e.removeStack(),Hc}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&yh(t).toStack(),!0===t.isSkinnedMesh&&lh(t).toStack(),this.displacementMap){const e=Sd("displacementMap","texture"),t=Sd("displacementScale","float"),r=Sd("displacementBias","float");Vl.addAssign(Xl.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&rh(t).toStack(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&eh(t).toStack(),null!==this.positionNode&&Vl.assign(iu(this.positionNode,"POSITION","vec3")),Vl}setupDiffuseColor({object:e,geometry:t}){null!==this.maskNode&&Ki(this.maskNode).not().discard();let r=this.colorNode?nn(this.colorNode):ac;if(!0===this.vertexColors&&t.hasAttribute("color")&&(r=r.mul(tp())),e.instanceColor){r=fn("vec3","vInstanceColor").mul(r)}if(e.isBatchedMesh&&e._colorsTexture){r=fn("vec3","vBatchColor").mul(r)}yn.assign(r);const s=this.opacityNode?ji(this.opacityNode):lc;yn.a.assign(yn.a.mul(s));let i=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(i=null!==this.alphaTestNode?ji(this.alphaTestNode):nc,yn.a.lessThanEqual(i).discard()),!0===this.alphaHash&&yn.a.lessThan(Jh(Vl)).discard();!1===this.transparent&&this.blending===k&&!1===this.alphaToCoverage?yn.a.assign(1):null===i&&yn.a.lessThanEqual(0).discard()}setupVariants(){}setupOutgoingLight(){return!0===this.lights?en(0):yn.rgb}setupNormal(){return this.normalNode?en(this.normalNode):yc}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?Sd("envMap","cubeTexture"):Sd("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new vh(kc)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);if(s&&s.isLightingNode&&t.push(s),null!==this.aoNode||e.material.aoMap){const e=null!==this.aoNode?this.aoNode:Gc;t.push(new xh(e))}let i=this.lightsNode||e.lightsNode;return t.length>0&&(i=e.renderer.lighting.createNode([...i.getLights(),...t])),i}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let a=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e)||null;a=_h(n,t,r,s)}else null!==r&&(a=en(null!==s?Lo(a,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(bn.assign(en(i||uc)),a=a.add(bn)),a}setupFog(e,t){const r=e.fogNode;return r&&(Dn.assign(t),t=nn(r)),t}setupPremultipliedAlpha(e,t){return op(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=O.prototype.toJSON.call(this,e),s=vs(this);r.inputNodes={};for(const{property:t,childNode:i}of s)r.inputNodes[t]=i.toJSON(e).uuid;function i(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=i(e.textures),s=i(e.images),n=i(e.nodes);t.length>0&&(r.textures=t),s.length>0&&(r.images=s),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,super.copy(e)}}const dp=new G;class cp extends lp{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(dp),this.setValues(e)}}const hp=new z;class pp extends lp{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(hp),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?ji(this.offsetNode):Vc,t=this.dashScaleNode?ji(this.dashScaleNode):Fc,r=this.dashSizeNode?ji(this.dashSizeNode):Lc,s=this.gapSizeNode?ji(this.gapSizeNode):Dc;In.assign(r),Vn.assign(s);const i=au(Hu("lineDistance").mul(t));(e?i.add(e):i).mod(In.add(Vn)).greaterThan(In).discard()}}let gp=null;class mp extends Dh{static get type(){return"ViewportSharedTextureNode"}constructor(e=wh,t=null){null===gp&&(gp=new I),super(e,t,gp)}updateReference(){return this}}const fp=Vi(mp).setParameterLength(0,2),yp=new z;class bp extends lp{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(yp),this.useColor=e.vertexColors,this.dashOffset=0,this.lineWidth=1,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=H,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.useColor,i=this._useDash,n=this._useWorldUnits,a=ki(({start:e,end:t})=>{const r=ll.element(2).element(2),s=ll.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return nn(Lo(e.xyz,t.xyz,s),t.w)}).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=ki(()=>{const e=Hu("instanceStart"),t=Hu("instanceEnd"),r=nn(Bl.mul(nn(e,1))).toVar("start"),s=nn(Bl.mul(nn(t,1))).toVar("end");if(i){const e=this.dashScaleNode?ji(this.dashScaleNode):Fc,t=this.offsetNode?ji(this.offsetNode):Vc,r=Hu("instanceDistanceStart"),s=Hu("instanceDistanceEnd");let i=Il.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),fn("float","lineDistance").assign(i)}n&&(fn("vec3","worldStart").assign(r.xyz),fn("vec3","worldEnd").assign(s.xyz));const o=Ch.z.div(Ch.w),u=ll.element(2).element(3).equal(-1);Hi(u,()=>{Hi(r.z.lessThan(0).and(s.z.greaterThan(0)),()=>{s.assign(a({start:r,end:s}))}).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),()=>{r.assign(a({start:s,end:r}))})});const l=ll.mul(r),d=ll.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(o)),p.assign(p.normalize());const g=nn().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=Lo(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),a=e.cross(n),o=fn("vec4","worldPos");o.assign(Il.y.lessThan(.5).select(r,s));const u=Ic.mul(.5);o.addAssign(nn(Il.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(o.addAssign(nn(Il.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),o.addAssign(nn(a.mul(u),0)),Hi(Il.y.greaterThan(1).or(Il.y.lessThan(0)),()=>{o.subAssign(nn(a.mul(2).mul(u),0))})),g.assign(ll.mul(o));const l=en().toVar();l.assign(Il.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=Yi(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(o)),e.x.assign(e.x.div(o)),e.assign(Il.x.lessThan(0).select(e.negate(),e)),Hi(Il.y.lessThan(0),()=>{e.assign(e.sub(p))}).ElseIf(Il.y.greaterThan(1),()=>{e.assign(e.add(p))}),e.assign(e.mul(Ic)),e.assign(e.div(Ch.w)),g.assign(Il.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(nn(e,0,0)))}return g})();const o=ki(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return Yi(h,p)});if(this.colorNode=ki(()=>{const e=$u();if(i){const t=this.dashSizeNode?ji(this.dashSizeNode):Lc,r=this.gapSizeNode?ji(this.gapSizeNode):Dc;In.assign(t),Vn.assign(r);const s=fn("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(In.add(Vn)).greaterThan(In).discard()}const a=ji(1).toVar("alpha");if(n){const e=fn("vec3","worldStart"),s=fn("vec3","worldEnd"),n=fn("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=o({p1:e,p2:s,p3:en(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Ic);if(!i)if(r&&t.samples>1){const e=h.fwidth();a.assign(Uo(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.samples>1){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=ji(s.fwidth()).toVar("dlen");Hi(e.y.abs().greaterThan(1),()=>{a.assign(Uo(i.oneMinus(),i.add(1),s).oneMinus())})}else Hi(e.y.abs().greaterThan(1),()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()});let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Hu("instanceColorStart"),t=Hu("instanceColorEnd");u=Il.y.lessThan(.5).select(e,t).mul(ac)}else u=ac;return nn(u,a)})(),this.transparent){const e=this.opacityNode?ji(this.opacityNode):lc;this.outputNode=nn(this.colorNode.rgb.mul(e).add(fp().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const xp=e=>Li(e).mul(.5).add(.5),Tp=new $;class _p extends lp{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Tp),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?ji(this.opacityNode):lc;yn.assign(pu(nn(xp(Zl),e),W))}}const vp=ki(([e=kl])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return Yi(t,r)});class Np extends j{constructor(e=1,t={}){super(e,t),this.isCubeRenderTarget=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new q(5,5,5),n=vp(kl),a=new lp;a.colorNode=Zu(t,n,0),a.side=S,a.blending=H;const o=new X(i,a),u=new K;u.add(o),t.minFilter===V&&(t.minFilter=Y);const l=new Q(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}}const Sp=new WeakMap;class Ep extends Ks{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=bd(null);const t=new A;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Vs.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===Z||r===J){if(Sp.has(e)){const t=Sp.get(e);Ap(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Np(r.height);s.fromEquirectangularTexture(t,e),Ap(s.texture,e.mapping),this._cubeTexture=s.texture,Sp.set(e,s.texture),e.addEventListener("dispose",wp)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function wp(e){const t=e.target;t.removeEventListener("dispose",wp);const r=Sp.get(t);void 0!==r&&(Sp.delete(t),r.dispose())}function Ap(e,t){t===Z?e.mapping=R:t===J&&(e.mapping=C)}const Rp=Vi(Ep).setParameterLength(1);class Cp extends bh{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=Rp(this.envNode)}}class Mp extends bh{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=ji(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Pp{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Bp extends Pp{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(nn(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(nn(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(yn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case re:s.rgb.assign(Lo(s.rgb,s.rgb.mul(i.rgb),pc.mul(gc)));break;case te:s.rgb.assign(Lo(s.rgb,i.rgb,pc.mul(gc)));break;case ee:s.rgb.addAssign(i.rgb.mul(pc.mul(gc)));break;default:console.warn("THREE.BasicLightingModel: Unsupported .combine value:",t.combine)}}}const Fp=new se;class Lp extends lp{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Fp),this.setValues(e)}setupNormal(){return jl(Yl)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cp(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Mp(kc)),t}setupOutgoingLight(){return yn.rgb}setupLightingModel(){return new Bp}}const Dp=ki(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),Ip=ki(e=>e.diffuseColor.mul(1/Math.PI)),Vp=ki(({dotNH:e})=>Ln.mul(ji(.5)).add(1).mul(ji(1/Math.PI)).mul(e.pow(Ln))),Up=ki(({lightDirection:e})=>{const t=e.add(zl).normalize(),r=Zl.dot(t).clamp(),s=zl.dot(t).clamp(),i=Dp({f0:Bn,f90:1,dotVH:s}),n=ji(.25),a=Vp({dotNH:r});return i.mul(n).mul(a)});class Op extends Bp{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Zl.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Ip({diffuseColor:yn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(Up({lightDirection:e})).mul(pc))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Ip({diffuseColor:yn}))),s.indirectDiffuse.mulAssign(t)}}const kp=new ie;class Gp extends lp{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(kp),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cp(t):null}setupLightingModel(){return new Op(!1)}}const zp=new ne;class Hp extends lp{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(zp),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cp(t):null}setupLightingModel(){return new Op}setupVariants(){const e=(this.shininessNode?ji(this.shininessNode):oc).max(1e-4);Ln.assign(e);const t=this.specularNode||dc;Bn.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const $p=ki(e=>{if(!1===e.geometry.hasAttribute("normal"))return ji(0);const t=Yl.dFdx().abs().max(Yl.dFdy().abs());return t.x.max(t.y).max(t.z)}),Wp=ki(e=>{const{roughness:t}=e,r=$p();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),jp=ki(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return da(.5,i.add(n).max(La))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),qp=ki(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(en(e.mul(r),t.mul(s),a).length()),l=a.mul(en(e.mul(i),t.mul(n),o).length());return da(.5,u.add(l)).saturate()}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Xp=ki(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Kp=ji(1/Math.PI),Yp=ki(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=en(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Kp.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Qp=ki(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=Zl,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(zl).normalize(),d=n.dot(e).clamp(),c=n.dot(zl).clamp(),h=n.dot(l).clamp(),p=zl.dot(l).clamp();let g,m,f=Dp({f0:t,f90:r,dotVH:p});if(Pi(a)&&(f=En.mix(f,i)),Pi(o)){const t=Mn.dot(e),r=Mn.dot(zl),s=Mn.dot(l),i=Pn.dot(e),n=Pn.dot(zl),a=Pn.dot(l);g=qp({alphaT:Rn,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Yp({alphaT:Rn,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=jp({alpha:u,dotNL:d,dotNV:c}),m=Xp({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Zp=ki(({roughness:e,dotNV:t})=>{const r=nn(-1,-.0275,-.572,.022),s=nn(1,.0425,1.04,-.04),i=e.mul(r).add(s),n=i.x.mul(i.x).min(t.mul(-9.28).exp2()).mul(i.x).add(i.y);return Yi(-1.04,1.04).mul(n).add(i.zw)}).setLayout({name:"DFGApprox",type:"vec2",inputs:[{name:"roughness",type:"float"},{name:"dotNV",type:"vec3"}]}),Jp=ki(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=Zp({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),eg=ki(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(en(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),tg=ki(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=ji(1).div(r),i=t.pow2().oneMinus().max(.0078125);return ji(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),rg=ki(({dotNV:e,dotNL:t})=>ji(1).div(ji(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),sg=ki(({lightDirection:e})=>{const t=e.add(zl).normalize(),r=Zl.dot(e).clamp(),s=Zl.dot(zl).clamp(),i=Zl.dot(t).clamp(),n=tg({roughness:Sn,dotNH:i}),a=rg({dotNV:s,dotNL:r});return Nn.mul(n).mul(a)}),ig=ki(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=Yi(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),ng=ki(({f:e})=>{const t=e.length();return To(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),ag=ki(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,To(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),og=ki(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=en().toVar();return Hi(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(dn(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=en(0).toVar();f.addAssign(ag({v1:h,v2:p})),f.addAssign(ag({v1:p,v2:g})),f.addAssign(ag({v1:g,v2:m})),f.addAssign(ag({v1:m,v2:h})),c.assign(en(ng({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),ug=ki(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=en().toVar();return Hi(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=en(0).toVar();d.addAssign(ag({v1:n,v2:a})),d.addAssign(ag({v1:a,v2:o})),d.addAssign(ag({v1:o,v2:l})),d.addAssign(ag({v1:l,v2:n})),u.assign(en(ng({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),lg=1/6,dg=e=>la(lg,la(e,la(e,e.negate().add(3)).sub(3)).add(1)),cg=e=>la(lg,la(e,la(e,la(3,e).sub(6))).add(4)),hg=e=>la(lg,la(e,la(e,la(-3,e).add(3)).add(3)).add(1)),pg=e=>la(lg,Ao(e,3)),gg=e=>dg(e).add(cg(e)),mg=e=>hg(e).add(pg(e)),fg=e=>oa(-1,cg(e).div(dg(e).add(cg(e)))),yg=e=>oa(1,pg(e).div(hg(e).add(pg(e)))),bg=(e,t,r)=>{const s=e.uvNode,i=la(s,t.zw).add(.5),n=Xa(i),a=Qa(i),o=gg(a.x),u=mg(a.x),l=fg(a.x),d=yg(a.x),c=fg(a.y),h=yg(a.y),p=Yi(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=Yi(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=Yi(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=Yi(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=gg(a.y).mul(oa(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=mg(a.y).mul(oa(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},xg=ki(([e,t])=>{const r=Yi(e.size(qi(t))),s=Yi(e.size(qi(t.add(1)))),i=da(1,r),n=da(1,s),a=bg(e,nn(i,r),Xa(t)),o=bg(e,nn(n,s),Ka(t));return Qa(t).mix(a,o)}),Tg=ki(([e,t])=>{const r=t.mul(Xu(e));return xg(e,r)}),_g=ki(([e,t,r,s,i])=>{const n=en(Vo(t.negate(),Ya(e),da(1,s))),a=en(ao(i[0].xyz),ao(i[1].xyz),ao(i[2].xyz));return Ya(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),vg=ki(([e,t])=>e.mul(Do(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Ng=Vh(),Sg=Vh(),Eg=ki(([e,t,r],{material:s})=>{const i=(s.side===S?Ng:Sg).sample(e),n=Wa(Ah.x).mul(vg(t,r));return xg(i,n)}),wg=ki(([e,t,r])=>(Hi(r.notEqual(0),()=>{const s=$a(t).negate().div(r);return za(s.negate().mul(e))}),en(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),Ag=ki(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=nn().toVar(),f=en().toVar();const i=d.sub(1).mul(g.mul(.025)),n=en(d.sub(i),d,d.add(i));ch({start:0,end:3},({i:i})=>{const d=n.element(i),g=_g(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(nn(y,1))),x=Yi(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(Yi(x.x,x.y.oneMinus()));const T=Eg(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(wg(ao(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=_g(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(nn(n,1))),y=Yi(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(Yi(y.x,y.y.oneMinus())),m=Eg(y,r,d),f=s.mul(wg(ao(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=en(Jp({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return nn(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),Rg=dn(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Cg=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Mg=ki(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=Lo(e,t,Uo(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();Hi(a.lessThan(0),()=>en(1));const o=a.sqrt(),u=Cg(n,e),l=Dp({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=ji(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return en(1).add(t).div(en(1).sub(t))})(i.clamp(0,.9999)),g=Cg(p,n.toVec3()),m=Dp({f0:g,f90:1,dotVH:o}),f=en(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=en(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(en(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return ch({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=en(54856e-17,44201e-17,52481e-17),i=en(1681e3,1795300,2208400),n=en(43278e5,93046e5,66121e5),a=ji(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=en(o.x.add(a),o.y,o.z).div(1.0685e-7),Rg.mul(o)})(ji(e).mul(y),ji(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(en(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Pg=ki(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.pow2(),n=Xo(r.lessThan(.25),ji(-339.2).mul(i).add(ji(161.4).mul(r)).sub(25.9),ji(-8.48).mul(i).add(ji(14.3).mul(r)).sub(9.95)),a=Xo(r.lessThan(.25),ji(44).mul(i).sub(ji(23.7).mul(r)).add(3.26),ji(1.97).mul(i).sub(ji(3.27).mul(r)).add(.72));return Xo(r.lessThan(.25),0,ji(.1).mul(r).sub(.025)).add(n.mul(s).add(a).exp()).mul(1/Math.PI).saturate()}),Bg=en(.04),Fg=ji(1);class Lg extends Pp{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=en().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=en().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=en().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=en().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=en().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=Zl.dot(zl).clamp();this.iridescenceFresnel=Mg({outsideIOR:ji(1),eta2:wn,cosTheta1:e,thinFilmThickness:An,baseF0:Bn}),this.iridescenceF0=eg({f:this.iridescenceFresnel,f90:1,dotVH:e})}if(!0===this.transmission){const t=Ol,r=gl.sub(Ol).normalize(),s=Jl,i=e.context;i.backdrop=Ag(s,r,xn,yn,Bn,Fn,t,El,cl,ll,On,Gn,Hn,zn,this.dispersion?$n:null),i.backdropAlpha=kn,yn.a.mulAssign(Lo(1,i.backdrop.a,kn))}super.start(e)}computeMultiscattering(e,t,r){const s=Zl.dot(zl).clamp(),i=Zp({roughness:xn,dotNV:s}),n=(this.iridescenceF0?En.mix(Bn,this.iridescenceF0):Bn).mul(i.x).add(r.mul(i.y)),a=i.x.add(i.y).oneMinus(),o=Bn.add(Bn.oneMinus().mul(.047619)),u=n.mul(o).div(a.mul(o).oneMinus());e.addAssign(n),t.addAssign(u.mul(a))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=Zl.dot(e).clamp().mul(t);if(!0===this.sheen&&this.sheenSpecularDirect.addAssign(s.mul(sg({lightDirection:e}))),!0===this.clearcoat){const r=ed.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Qp({lightDirection:e,f0:Bg,f90:Fg,roughness:vn,normalView:ed})))}r.directDiffuse.addAssign(s.mul(Ip({diffuseColor:yn.rgb}))),r.directSpecular.addAssign(s.mul(Qp({lightDirection:e,f0:Bn,f90:1,roughness:xn,iridescence:this.iridescence,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=Zl,h=zl,p=Gl.toVar(),g=ig({N:c,V:h,roughness:xn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=dn(en(m.x,0,m.y),en(0,1,0),en(m.z,0,m.w)).toVar(),b=Bn.mul(f.x).add(Bn.oneMinus().mul(f.y)).toVar();i.directSpecular.addAssign(e.mul(b).mul(og({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(yn).mul(og({N:c,V:h,P:p,mInv:dn(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d})))}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context;r.indirectDiffuse.addAssign(t.mul(Ip({diffuseColor:yn})))}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Nn,Pg({normal:Zl,viewDir:zl,roughness:Sn}))),!0===this.clearcoat){const e=ed.dot(zl).clamp(),t=Jp({dotNV:e,specularColor:Bg,specularF90:Fg,roughness:vn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=en().toVar("singleScattering"),n=en().toVar("multiScattering"),a=r.mul(1/Math.PI);this.computeMultiscattering(i,n,Fn);const o=i.add(n),u=yn.mul(o.r.max(o.g).max(o.b).oneMinus());s.indirectSpecular.addAssign(t.mul(i)),s.indirectSpecular.addAssign(n.mul(a)),s.indirectDiffuse.addAssign(u.mul(a))}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=Zl.dot(zl).clamp().add(t),i=xn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=ed.dot(zl).clamp(),r=Dp({dotVH:e,f0:Bg,f90:Fg}),s=t.mul(_n.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(_n));t.assign(s)}if(!0===this.sheen){const e=Nn.r.max(Nn.g).max(Nn.b).mul(.157).oneMinus(),r=t.mul(e).add(this.sheenSpecularDirect,this.sheenSpecularIndirect);t.assign(r)}}}const Dg=ji(1),Ig=ji(-2),Vg=ji(.8),Ug=ji(-1),Og=ji(.4),kg=ji(2),Gg=ji(.305),zg=ji(3),Hg=ji(.21),$g=ji(4),Wg=ji(4),jg=ji(16),qg=ki(([e])=>{const t=en(io(e)).toVar(),r=ji(-1).toVar();return Hi(t.x.greaterThan(t.z),()=>{Hi(t.x.greaterThan(t.y),()=>{r.assign(Xo(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(Xo(e.y.greaterThan(0),1,4))})}).Else(()=>{Hi(t.z.greaterThan(t.y),()=>{r.assign(Xo(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(Xo(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Xg=ki(([e,t])=>{const r=Yi().toVar();return Hi(t.equal(0),()=>{r.assign(Yi(e.z,e.y).div(io(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(Yi(e.x.negate(),e.z.negate()).div(io(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(Yi(e.x.negate(),e.y).div(io(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(Yi(e.z.negate(),e.y).div(io(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(Yi(e.x.negate(),e.z).div(io(e.y)))}).Else(()=>{r.assign(Yi(e.x,e.y).div(io(e.z)))}),la(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Kg=ki(([e])=>{const t=ji(0).toVar();return Hi(e.greaterThanEqual(Vg),()=>{t.assign(Dg.sub(e).mul(Ug.sub(Ig)).div(Dg.sub(Vg)).add(Ig))}).ElseIf(e.greaterThanEqual(Og),()=>{t.assign(Vg.sub(e).mul(kg.sub(Ug)).div(Vg.sub(Og)).add(Ug))}).ElseIf(e.greaterThanEqual(Gg),()=>{t.assign(Og.sub(e).mul(zg.sub(kg)).div(Og.sub(Gg)).add(kg))}).ElseIf(e.greaterThanEqual(Hg),()=>{t.assign(Gg.sub(e).mul($g.sub(zg)).div(Gg.sub(Hg)).add(zg))}).Else(()=>{t.assign(ji(-2).mul(Wa(la(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Yg=ki(([e,t])=>{const r=e.toVar();r.assign(la(2,r).sub(1));const s=en(r,1).toVar();return Hi(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),Qg=ki(([e,t,r,s,i,n])=>{const a=ji(r),o=en(t),u=Do(Kg(a),Ig,n),l=Qa(u),d=Xa(u),c=en(Zg(e,o,d,s,i,n)).toVar();return Hi(l.notEqual(0),()=>{const t=en(Zg(e,o,d.add(1),s,i,n)).toVar();c.assign(Lo(c,t,l))}),c}),Zg=ki(([e,t,r,s,i,n])=>{const a=ji(r).toVar(),o=en(t),u=ji(qg(o)).toVar(),l=ji(To(Wg.sub(a),0)).toVar();a.assign(To(a,Wg));const d=ji(Ha(a)).toVar(),c=Yi(Xg(o,u).mul(d.sub(2)).add(1)).toVar();return Hi(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(la(3,jg))),c.y.addAssign(la(4,Ha(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(Yi(),Yi())}),Jg=ki(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Ja(s),l=r.mul(u).add(i.cross(r).mul(Za(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return Zg(e,l,t,n,a,o)}),em=ki(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=en(Xo(t,r,wo(r,s))).toVar();Hi(h.equal(en(0)),()=>{h.assign(en(s.z,0,s.x.negate()))}),h.assign(Ya(h));const p=en().toVar();return p.addAssign(i.element(0).mul(Jg({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),ch({start:qi(1),end:e},({i:e})=>{Hi(e.greaterThanEqual(n),()=>{hh()});const t=ji(a.mul(ji(e))).toVar();p.addAssign(i.element(e).mul(Jg({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(Jg({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),nn(p,1)}),tm=[.125,.215,.35,.446,.526,.582],rm=20,sm=new ae(-1,1,1,-1,0,1),im=new oe(90,1),nm=new e;let am=null,om=0,um=0;const lm=(1+Math.sqrt(5))/2,dm=1/lm,cm=[new r(-lm,dm,0),new r(lm,dm,0),new r(-dm,0,lm),new r(dm,0,lm),new r(0,lm,-dm),new r(0,lm,dm),new r(-1,1,-1),new r(1,1,-1),new r(-1,1,1),new r(1,1,1)],hm=new r,pm=new WeakMap,gm=[3,1,5,0,4,2],mm=Yg($u(),Hu("faceIndex")).normalize(),fm=en(mm.x,mm.y,mm.z);class ym{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=hm,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromScene() called before the backend is initialized. Try using .fromSceneAsync() instead.");const n=o||this._allocateTarget();return i.renderTarget=n,this.fromSceneAsync(e,t,r,s,i),n}am=this._renderer.getRenderTarget(),om=this._renderer.getActiveCubeFace(),um=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget();return u.depthBuffer=!0,this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return!1===this._hasInitialized&&await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using .fromEquirectangularAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){console.warn("THREE.PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return!1===this._hasInitialized&&await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=_m(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=vm(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===R||e.mapping===C?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(am,om,um),e.scissorTest=!1,xm(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),am=this._renderer.getRenderTarget(),om=this._renderer.getActiveCubeFace(),um=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget();return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(){return bm(3*Math.max(this._cubeSize,112),4*this._cubeSize)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=bm(e.width,e.height);const{_lodMax:t}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas,lodMeshes:this._lodMeshes}=function(e){const t=[],r=[],s=[],i=[];let n=e;const a=e-4+1+tm.length;for(let o=0;o<a;o++){const a=Math.pow(2,n);r.push(a);let u=1/a;o>e-4?u=tm[o-e+4-1]:0===o&&(u=0),s.push(u);const l=1/(a-2),d=-l,c=1+l,h=[d,d,c,d,c,c,d,d,c,c,d,c],p=6,g=6,m=3,f=2,y=1,b=new Float32Array(m*g*p),x=new Float32Array(f*g*p),T=new Float32Array(y*g*p);for(let e=0;e<p;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=gm[e];b.set(s,m*g*i),x.set(h,f*g*i);const n=[i,i,i,i,i,i];T.set(n,y*g*i)}const _=new pe;_.setAttribute("position",new ge(b,m)),_.setAttribute("uv",new ge(x,f)),_.setAttribute("faceIndex",new ge(T,y)),t.push(_),i.push(new X(_,null)),n>4&&n--}return{lodPlanes:t,sizeLods:r,sigmas:s,lodMeshes:i}}(t)),this._blurMaterial=function(e,t,s){const i=il(new Array(rm).fill(0)),n=Zn(new r(0,1,0)),a=Zn(0),o=ji(rm),u=Zn(0),l=Zn(1),d=Zu(null),c=Zn(0),h=ji(1/t),p=ji(1/s),g=ji(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:fm,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=Tm("blur");return f.fragmentNode=em({...m,latitudinal:u.equal(1)}),pm.set(f,m),f}(t,e.width,e.height)}}async _compileMaterial(e){const t=new X(this._lodPlanes[0],e);await this._renderer.compile(t,sm)}_sceneToCubeUV(e,t,r,s,i){const n=im;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(nm),u.autoClear=!1;let d=this._backgroundBox;if(null===d){const e=new se({name:"PMREM.Background",side:S,depthWrite:!1,depthTest:!1});d=new X(new q,e)}let c=!1;const h=e.background;h?h.isColor&&(d.material.color.copy(h),e.background=null,c=!0):(d.material.color.copy(nm),c=!0),u.setRenderTarget(s),u.clear(),c&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;xm(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=h}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===R||e.mapping===C;s?null===this._cubemapMaterial&&(this._cubemapMaterial=_m(e)):null===this._equirectMaterial&&(this._equirectMaterial=vm(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;xm(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,sm)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodPlanes.length;for(let t=1;t<s;t++){const r=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),i=cm[(s-t-1)%cm.length];this._blur(e,t-1,t,r,i)}t.autoClear=r}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const o=this._renderer,u=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&console.error("blur direction must be either latitudinal or longitudinal!");const l=this._lodMeshes[s];l.material=u;const d=pm.get(u),c=this._sizeLods[r]-1,h=isFinite(i)?Math.PI/(2*c):2*Math.PI/39,p=i/h,g=isFinite(i)?1+Math.floor(3*p):rm;g>rm&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${g} samples when the maximum is set to 20`);const m=[];let f=0;for(let e=0;e<rm;++e){const t=e/p,r=Math.exp(-t*t/2);m.push(r),0===e?f+=r:e<g&&(f+=2*r)}for(let e=0;e<m.length;e++)m[e]=m[e]/f;e.texture.frame=(e.texture.frame||0)+1,d.envMap.value=e.texture,d.samples.value=g,d.weights.array=m,d.latitudinal.value="latitudinal"===n?1:0,a&&(d.poleAxis.value=a);const{_lodMax:y}=this;d.dTheta.value=h,d.mipInt.value=y-r;const b=this._sizeLods[s];xm(t,3*b*(s>y-4?s-y+4:0),4*(this._cubeSize-b),3*b,2*b),o.setRenderTarget(t),o.render(l,sm)}}function bm(e,t){const r=new ue(e,t,{magFilter:Y,minFilter:Y,generateMipmaps:!1,type:ce,format:de,colorSpace:le});return r.texture.mapping=he,r.texture.name="PMREM.cubeUv",r.texture.isPMREMTexture=!0,r.scissorTest=!0,r}function xm(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function Tm(e){const t=new lp;return t.depthTest=!1,t.depthWrite=!1,t.blending=H,t.name=`PMREM_${e}`,t}function _m(e){const t=Tm("cubemap");return t.fragmentNode=bd(e,fm),t}function vm(e){const t=Tm("equirect");return t.fragmentNode=Zu(e,vp(fm),0),t}const Nm=new WeakMap;function Sm(e,t,r){const s=function(e){let t=Nm.get(e);void 0===t&&(t=new WeakMap,Nm.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class Em extends Ks{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new x;s.isRenderTargetTexture=!0,this._texture=Zu(s),this._width=Zn(0),this._height=Zn(0),this._maxMip=Zn(0),this.updateBeforeType=Vs.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:Sm(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new ym(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this)),t=dd.mul(en(t.x,t.y.negate(),t.z));let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),Qg(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const wm=Vi(Em).setParameterLength(1,3),Am=new WeakMap;class Rm extends bh{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const e=r.isTextureNode?r.value:t[r.property];let s=Am.get(e);void 0===s&&(s=wm(e),Am.set(e,s)),r=s}const s=!0===t.useAnisotropy||t.anisotropy>0?Yd:Zl,i=r.context(Cm(xn,s)).mul(ld),n=r.context(Mm(Jl)).mul(Math.PI).mul(ld),a=Cu(i),o=Cu(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(Cm(vn,ed)).mul(ld),t=Cu(e);u.addAssign(t)}}}const Cm=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=zl.negate().reflect(t),r=e.mul(e).mix(r,t).normalize(),r=r.transformDirection(cl)),r),getTextureLevel:()=>e}},Mm=e=>({getUV:()=>e,getTextureLevel:()=>ji(1)}),Pm=new me;class Bm extends lp{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(Pm),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new Rm(t):null}setupLightingModel(){return new Lg}setupSpecular(){const e=Lo(en(.04),yn.rgb,Tn);Bn.assign(e),Fn.assign(1)}setupVariants(){const e=this.metalnessNode?ji(this.metalnessNode):fc;Tn.assign(e);let t=this.roughnessNode?ji(this.roughnessNode):mc;t=Wp({roughness:t}),xn.assign(t),this.setupSpecular(),yn.assign(nn(yn.rgb.mul(e.oneMinus()),yn.a))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const Fm=new fe;class Lm extends Bm{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(Fm),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?ji(this.iorNode):Mc;On.assign(e),Bn.assign(Lo(xo(Ro(On.sub(1).div(On.add(1))).mul(hc),en(1)).mul(cc),yn.rgb,Tn)),Fn.assign(Lo(cc,1,Tn))}setupLightingModel(){return new Lg(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?ji(this.clearcoatNode):bc,t=this.clearcoatRoughnessNode?ji(this.clearcoatRoughnessNode):xc;_n.assign(e),vn.assign(Wp({roughness:t}))}if(this.useSheen){const e=this.sheenNode?en(this.sheenNode):vc,t=this.sheenRoughnessNode?ji(this.sheenRoughnessNode):Nc;Nn.assign(e),Sn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?ji(this.iridescenceNode):Ec,t=this.iridescenceIORNode?ji(this.iridescenceIORNode):wc,r=this.iridescenceThicknessNode?ji(this.iridescenceThicknessNode):Ac;En.assign(e),wn.assign(t),An.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?Yi(this.anisotropyNode):Sc).toVar();Cn.assign(e.length()),Hi(Cn.equal(0),()=>{e.assign(Yi(1,0))}).Else(()=>{e.divAssign(Yi(Cn)),Cn.assign(Cn.saturate())}),Rn.assign(Cn.pow2().mix(xn.pow2(),1)),Mn.assign(Xd[0].mul(e.x).add(Xd[1].mul(e.y))),Pn.assign(Xd[1].mul(e.x).sub(Xd[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?ji(this.transmissionNode):Rc,t=this.thicknessNode?ji(this.thicknessNode):Cc,r=this.attenuationDistanceNode?ji(this.attenuationDistanceNode):Pc,s=this.attenuationColorNode?en(this.attenuationColorNode):Bc;if(kn.assign(e),Gn.assign(t),zn.assign(r),Hn.assign(s),this.useDispersion){const e=this.dispersionNode?ji(this.dispersionNode):Oc;$n.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?en(this.clearcoatNormalNode):Tc}setup(e){e.context.setupClearcoatNormal=()=>iu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class Dm extends Lg{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(Zl.mul(a)).normalize(),h=ji(zl.dot(c.negate()).saturate().pow(l).mul(d)),p=en(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class Im extends Lm{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=ji(.1),this.thicknessAmbientNode=ji(0),this.thicknessAttenuationNode=ji(.1),this.thicknessPowerNode=ji(2),this.thicknessScaleNode=ji(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new Dm(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Vm=ki(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=Yi(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=Sd("gradientMap","texture").context({getUV:()=>i});return en(e.r)}{const e=i.fwidth().mul(.5);return Lo(en(.7),en(1),Uo(ji(.7).sub(e.x),ji(.7).add(e.x),i.x))}});class Um extends Pp{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=Vm({normal:ql,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(Ip({diffuseColor:yn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Ip({diffuseColor:yn}))),s.indirectDiffuse.mulAssign(t)}}const Om=new ye;class km extends lp{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Om),this.setValues(e)}setupLightingModel(){return new Um}}const Gm=ki(()=>{const e=en(zl.z,0,zl.x.negate()).normalize(),t=zl.cross(e);return Yi(e.dot(Zl),t.dot(Zl)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),zm=new be;class Hm extends lp{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(zm),this.setValues(e)}setupVariants(e){const t=Gm;let r;r=e.material.matcap?Sd("matcap","texture").context({getUV:()=>t}):en(Lo(.2,.8,t.y)),yn.rgb.mulAssign(r.rgb)}}class $m extends Ks{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return ln(e,s,s.negate(),e).mul(r)}{const e=t,s=cn(nn(1,0,0,0),nn(0,Ja(e.x),Za(e.x).negate(),0),nn(0,Za(e.x),Ja(e.x),0),nn(0,0,0,1)),i=cn(nn(Ja(e.y),0,Za(e.y),0),nn(0,1,0,0),nn(Za(e.y).negate(),0,Ja(e.y),0),nn(0,0,0,1)),n=cn(nn(Ja(e.z),Za(e.z).negate(),0,0),nn(Za(e.z),Ja(e.z),0,0),nn(0,0,1,0),nn(0,0,0,1));return s.mul(i).mul(n).mul(nn(r,1)).xyz}}}const Wm=Vi($m).setParameterLength(2),jm=new xe;class qm extends lp{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(jm),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,s=this.sizeAttenuation,{positionNode:i,rotationNode:n,scaleNode:a}=this,o=Bl.mul(en(i||0));let u=Yi(El[0].xyz.length(),El[1].xyz.length());if(null!==a&&(u=u.mul(Yi(a))),!1===s)if(r.isPerspectiveCamera)u=u.mul(o.z.negate());else{const e=ji(2).div(ll.element(1).element(1));u=u.mul(e.mul(2))}let l=Il.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>Li(new mu(e,t,r)))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=ji(n||_c),c=Wm(l,d);return nn(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Xm=new Te;class Km extends qm{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Xm),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return Bl.mul(en(e||Vl)).xyz}setupVertex(e){const t=super.setupVertex(e);if(!0!==e.material.isNodeMaterial)return t;const{rotationNode:r,scaleNode:s,sizeNode:i}=this,n=Il.xy.toVar(),a=Ch.z.div(Ch.w);if(r&&r.isNode){const e=ji(r);n.assign(Wm(n,e))}let o=null!==i?Yi(i):Uc;return!0===this.sizeAttenuation&&(o=o.mul(o.div(Gl.z.negate()))),s&&s.isNode&&(o=o.mul(Yi(s))),n.mulAssign(o.mul(2)),n.assign(n.div(Ch.z)),n.y.assign(n.y.mul(a)),n.assign(n.mul(t.w)),t.addAssign(nn(n,0,0)),t}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}class Ym extends Pp{constructor(){super(),this.shadowNode=ji(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){yn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(yn.rgb)}}const Qm=new _e;class Zm extends lp{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(Qm),this.setValues(e)}setupLightingModel(){return new Ym}}const Jm=mn("vec3"),ef=mn("vec3"),tf=mn("vec3");class rf extends Pp{constructor(){super()}start(e){const{material:t,context:r}=e,s=mn("vec3"),i=mn("vec3");Hi(gl.sub(Ol).length().greaterThan(Cl.mul(2)),()=>{s.assign(gl),i.assign(Ol)}).Else(()=>{s.assign(Ol),i.assign(gl)});const n=i.sub(s),a=Zn("int").onRenderUpdate(({material:e})=>e.steps),o=n.length().div(a).toVar(),u=n.normalize().toVar(),l=ji(0).toVar(),d=en(1).toVar();t.offsetNode&&l.addAssign(t.offsetNode.mul(o)),ch(a,()=>{const i=s.add(u.mul(l)),n=cl.mul(nn(i,1)).xyz;let a;null!==t.depthNode&&(ef.assign(Xh(Hh(n.z,ol,ul))),r.sceneDepthNode=Xh(t.depthNode).toVar()),r.positionWorld=i,r.shadowPositionWorld=i,r.positionView=n,Jm.assign(0),t.scatteringNode&&(a=t.scatteringNode({positionRay:i})),super.start(e),a&&Jm.mulAssign(a);const c=Jm.mul(.01).negate().mul(o).exp();d.mulAssign(c),l.addAssign(o)}),tf.addAssign(d.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?Hi(r.greaterThanEqual(ef),()=>{Jm.addAssign(e)}):Jm.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(ug({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(tf)}}class sf extends lp{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=S,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new rf}}class nf{constructor(e,t){this.nodes=e,this.info=t,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,null!==this._animationLoop&&this._animationLoop(t,r)};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class af{constructor(){this.weakMap=new WeakMap}get(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this.weakMap;for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this.weakMap;for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let of=0;class uf{constructor(e,t,r,s,i,n,a,o,u,l){this.id=of++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),i[n.name]=e.version),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t}=this;let r=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const s=t[e];let i;if(null!==s){const e=typeof s;"number"===e?i=0!==s?"1":"0":"object"===e?(i="{",s.isTexture&&(i+=s.mapping),i+="}"):i=String(s)}else i=String(s);r+=i+","}return r+=this.clippingContextCacheKey+",",e.geometry&&(r+=this.getGeometryCacheKey()),e.skeleton&&(r+=e.skeleton.bones.length+","),e.isBatchedMesh&&(r+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(r+=e._colorsTexture.uuid+",")),e.count>1&&(r+=e.uuid+","),r+=e.receiveShadow+",",bs(r)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r||e[t]!==r.id)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=Ts(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=Ts(e,1)),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),this.onDispose()}}const lf=[];class df{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);lf[0]=e,lf[1]=t,lf[2]=n,lf[3]=i;let l=u.get(lf);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(lf,l)):(l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),lf.length=0,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new af)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new uf(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.delete(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class cf{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const hf=1,pf=2,gf=3,mf=4,ff=16;class yf extends cf{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return null!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===hf?this.backend.createAttribute(e):t===pf?this.backend.createIndexAttribute(e):t===gf?this.backend.createStorageAttribute(e):t===mf&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===y)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function bf(e){return null!==e.index?e.index.version:e.attributes.position.version}function xf(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(Se(t)?ve:Ne)(t,1);return i.version=bf(e),i}class Tf extends cf{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r)};t.addEventListener("dispose",r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,gf):this.updateAttribute(e,hf);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,pf);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,mf)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=xf(t),e.set(t,r)):r.version!==bf(t)&&(this.attributes.delete(r),r=xf(t),e.set(t,r)),s=r}return s}}class _f{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):console.error("THREE.WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class vf{constructor(e){this.cacheKey=e,this.usedTimes=0}}class Nf extends vf{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class Sf extends vf{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let Ef=0;class wf{constructor(e,t,r,s=null,i=null){this.id=Ef++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Af extends cf{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new wf(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new wf(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new wf(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new Sf(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new Nf(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class Rf extends cf{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?mf:gf;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(t.isNodeUniformsGroup){if(!1===this.nodes.updateGroup(t))continue}if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?mf:gf;this.attributes.update(e,r)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampler)t.update();else if(t.isSampledTexture){const e=this.textures.get(t.texture);t.needsBindingsUpdate(e.generation)&&(s=!0);const o=t.update(),u=t.texture;o&&this.textures.updateTexture(u);const l=r.get(u);if(void 0!==l.externalTexture||e.isDefaultTexture?i=!1:(n=10*n+u.id,a+=u.version),!0===r.isWebGPUBackend&&void 0===l.texture&&void 0===l.externalTexture&&(console.error("Bindings._update: binding should be available:",t,o,u,t.textureNode.value,s),this.textures.updateTexture(u),s=!0),!0===u.isStorageTexture){const e=this.get(u);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(u)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(u),e.needsMipmap=!1)}}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}function Cf(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function Mf(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Pf(e){return(e.transmission>0||e.transmissionNode)&&e.side===E&&!1===e.forceSinglePass}class Bf{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0?(Pf(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0?(Pf(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||Cf),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||Mf),this.transparent.length>1&&this.transparent.sort(t||Mf)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const Ff=[];class Lf{constructor(e){this.lighting=e,this.lists=new af}get(e,t){const r=this.lists;Ff[0]=e,Ff[1]=t;let s=r.get(Ff);return void 0===s&&(s=new Bf(this.lighting,e,t),r.set(Ff,s)),Ff.length=0,s}dispose(){this.lists=new af}}let Df=0;class If{constructor(){this.id=Df++,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.isRenderContext=!0}getCacheKey(){return Vf(this)}}function Vf(e){const{textures:t,activeCubeFace:r}=e,s=[r];for(const e of t)s.push(e.id);return xs(s)}const Uf=[],Of=new K,kf=new Ee;class Gf{constructor(){this.chainMaps={}}get(e,t,r=null){let s;if(Uf[0]=e,Uf[1]=t,null===r)s="default";else{const e=r.texture.format;s=`${r.textures.length}:${e}:${r.samples}:${r.depthBuffer}:${r.stencilBuffer}`}const i=this._getChainMap(s);let n=i.get(Uf);return void 0===n&&(n=new If,i.set(Uf,n)),Uf.length=0,null!==r&&(n.sampleCount=0===r.samples?1:r.samples),n}getForClear(e=null){return this.get(Of,kf,e)}_getChainMap(e){return this.chainMaps[e]||(this.chainMaps[e]=new af)}dispose(){this.chainMaps={}}}const zf=new r;class Hf extends cf{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new U,l.format=e.stencilBuffer?we:Ae,l.type=e.stencilBuffer?Re:T,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.isArrayTexture=!0===e.multiview&&a.depth>1,i[t]=l),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=l.isArrayTexture?l.image.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}if(!0!==r.initialized){r.initialized=!0;const t=()=>{e.removeEventListener("dispose",t);for(let e=0;e<n.length;e++)this._destroyTexture(n[e]);l&&this._destroyTexture(l),this.delete(e)};e.addEventListener("dispose",t)}}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&(i.destroySampler(e),i.destroyTexture(e)),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ce}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,s||!0===e.isStorageTexture)i.createSampler(e),i.createTexture(e,t),r.generation=e.version;else{if(!0!==r.initialized&&i.createSampler(e),e.version>0){const s=e.image;if(void 0===s)console.warn("THREE.Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)console.warn("THREE.Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t),t.needsMipmaps&&0===e.mipmaps.length&&i.generateMipmaps(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version}if(!0!==r.initialized){r.initialized=!0,r.generation=e.version,this.info.memory.textures++;const t=()=>{e.removeEventListener("dispose",t),this._destroyTexture(e)};e.addEventListener("dispose",t)}r.version=e.version}getSize(e,t=zf){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.isCompressedTexture?e.mipmaps?e.mipmaps.length:1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.isCompressedTexture||e.generateMipmaps}_destroyTexture(e){!0===this.has(e)&&(this.backend.destroySampler(e),this.backend.destroyTexture(e),this.delete(e),this.info.memory.textures--)}}class $f extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Wf extends gn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getHash(){return this.uuid}generate(){return this.name}}class jf extends js{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this.isStackNode=!0}getNodeType(e){return this.outputNode?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.outputNode?this.outputNode.getMemberType(e,t):"void"}add(e){return this.nodes.push(e),this}If(e,t){const r=new Fi(t);return this._currentCond=Xo(e,r),this.add(this._currentCond)}ElseIf(e,t){const r=new Fi(t),s=Xo(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Fi(e),this}Switch(e){return this._expressionNode=Li(e),this}Case(...e){const t=[];if(!(e.length>=2))throw new Error("TSL: Invalid parameter length. Case() requires at least two parameters.");for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(Li(e[r])));const r=new Fi(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=Xo(s,r);return null===this._currentCond?(this._currentCond=i,this.add(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}build(e,...t){const r=e.currentStack,s=zi();Gi(this),e.currentStack=this;const i=e.buildStage;for(const t of this.nodes)if("setup"===i)t.build(e);else if("analyze"===i)t.build(e,this);else if("generate"===i){const r=e.getDataFromNode(t,"any").stages,s=r&&r[e.shaderStage];if(t.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)continue;t.build(e,"void")}const n=this.outputNode?this.outputNode.build(e,...t):super.build(e,...t);return Gi(s),e.currentStack=r,n}}const qf=Vi(jf).setParameterLength(0,1);class Xf extends js{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructLayoutNode=!0}getLength(){const e=Float32Array.BYTES_PER_ELEMENT;let t=0;for(const r of this.membersLayout){const s=r.type,i=Rs(s)*e,n=t%8,a=n%Cs(s),o=n+a;t+=a,0!==o&&8-o<i&&(t+=8-o),t+=i}return 8*Math.ceil(t/8)/e}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}getNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Kf extends js{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structLayoutNode=e,this.values=t,this.isStructNode=!0}getNodeType(e){return this.structLayoutNode.getNodeType(e)}getMemberType(e,t){return this.structLayoutNode.getMemberType(e,t)}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structLayoutNode.membersLayout,this.values)}`,this),t.name}}class Yf extends js{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}getNodeType(e){const t=e.getNodeProperties(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}return t.structType.name}generate(e){const t=e.getOutputStructName(),r=this.members,s=""!==t?t+".":"";for(let t=0;t<r.length;t++){const i=r[t].build(e);e.addLineFlowCode(`${s}m${t} = ${i}`,this)}return t}}const Qf=Vi(Yf);function Zf(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class Jf extends Yf{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.isMRTNode=!0}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes};return ey(t)}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[Zf(s,e)]=nn(t[e])}return this.members=r,super.setup(e)}}const ey=Vi(Jf),ty=ki(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),ry=(e,t)=>Ao(la(4,e.mul(ua(1,e))),t),sy=ki(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),iy=ki(([e])=>en(sy(e.z.add(sy(e.y.mul(1)))),sy(e.z.add(sy(e.x.mul(1)))),sy(e.y.add(sy(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ny=ki(([e,t,r])=>{const s=en(e).toVar(),i=ji(1.4).toVar(),n=ji(0).toVar(),a=en(s).toVar();return ch({start:ji(0),end:ji(3),type:"float",condition:"<="},()=>{const e=en(iy(a.mul(2))).toVar();s.addAssign(e.add(r.mul(ji(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=ji(sy(s.z.add(sy(s.x.add(sy(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class ay extends js{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFnCall=null,this.global=!0}getNodeType(){return this.functionNodes[0].shaderNode.layout.type}setup(e){const t=this.parametersNodes;let r=this._candidateFnCall;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type?n++:n=0}n>i&&(s=r,i=n)}}this._candidateFnCall=r=s(...t)}return r}}const oy=Vi(ay),uy=e=>(...t)=>oy(e,...t),ly=Zn(0).setGroup(Kn).onRenderUpdate(e=>e.time),dy=Zn(0).setGroup(Kn).onRenderUpdate(e=>e.deltaTime),cy=Zn(0,"uint").setGroup(Kn).onRenderUpdate(e=>e.frameId),hy=ki(([e,t,r=Yi(.5)])=>Wm(e.sub(r),t).add(r)),py=ki(([e,t,r=Yi(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),gy=ki(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=El.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=El;const i=cl.mul(s);return Pi(t)&&(i[0][0]=El[0].length(),i[0][1]=0,i[0][2]=0),Pi(r)&&(i[1][0]=0,i[1][1]=El[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,ll.mul(i).mul(Vl)}),my=ki(([e=null])=>{const t=Xh();return Xh(kh(e)).sub(t).lessThan(0).select(wh,e)});class fy extends js{static get type(){return"SpriteSheetUVNode"}constructor(e,t=$u(),r=ji(0)){super("vec2"),this.countNode=e,this.uvNode=t,this.frameNode=r}setup(){const{frameNode:e,uvNode:t,countNode:r}=this,{width:s,height:i}=r,n=e.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=r.reciprocal(),l=Yi(a,o);return t.add(l).mul(u)}}const yy=Vi(fy).setParameterLength(3),by=ki(([e,t=null,r=null,s=ji(1),i=Vl,n=Xl])=>{let a=n.abs().normalize();a=a.div(a.dot(en(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Zu(d,o).mul(a.x),g=Zu(c,u).mul(a.y),m=Zu(h,l).mul(a.z);return oa(p,g,m)}),xy=new Me,Ty=new r,_y=new r,vy=new r,Ny=new a,Sy=new r(0,0,-1),Ey=new s,wy=new r,Ay=new r,Ry=new s,Cy=new t,My=new ue,Py=wh.flipX();My.depthTexture=new U(1,1);let By=!1;class Fy extends Yu{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||My.texture,Py),this._reflectorBaseNode=e.reflector||new Ly(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Li(new Fy({defaultTexture:My.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class Ly extends js{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new Pe,resolution:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1}=t;this.textureNode=e,this.target=r,this.resolution=s,this.generateMipmaps=i,this.bounces=n,this.depth=a,this.updateBeforeType=n?Vs.RENDER:Vs.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolution;t.getDrawingBufferSize(Cy),e.setSize(Math.round(Cy.width*r),Math.round(Cy.height*r))}setup(e){return this._updateResolution(My,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new ue(0,0,{type:ce}),!0===this.generateMipmaps&&(t.texture.minFilter=Be,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new U),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&By)return!1;By=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Cy),this._updateResolution(o,s),_y.setFromMatrixPosition(n.matrixWorld),vy.setFromMatrixPosition(r.matrixWorld),Ny.extractRotation(n.matrixWorld),Ty.set(0,0,1),Ty.applyMatrix4(Ny),wy.subVectors(_y,vy);let u=!1;if(!0===wy.dot(Ty)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(By=!1);u=!0}wy.reflect(Ty).negate(),wy.add(_y),Ny.extractRotation(r.matrixWorld),Sy.set(0,0,-1),Sy.applyMatrix4(Ny),Sy.add(vy),Ay.subVectors(_y,Sy),Ay.reflect(Ty).negate(),Ay.add(_y),a.coordinateSystem=r.coordinateSystem,a.position.copy(wy),a.up.set(0,1,0),a.up.applyMatrix4(Ny),a.up.reflect(Ty),a.lookAt(Ay),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),xy.setFromNormalAndCoplanarPoint(Ty,_y),xy.applyMatrix4(a.matrixWorldInverse),Ey.set(xy.normal.x,xy.normal.y,xy.normal.z,xy.constant);const l=a.projectionMatrix;Ry.x=(Math.sign(Ey.x)+l.elements[8])/l.elements[0],Ry.y=(Math.sign(Ey.y)+l.elements[9])/l.elements[5],Ry.z=-1,Ry.w=(1+l.elements[10])/l.elements[14],Ey.multiplyScalar(1/Ey.dot(Ry));l.elements[2]=Ey.x,l.elements[6]=Ey.y,l.elements[10]=s.coordinateSystem===d?Ey.z-0:Ey.z+1-0,l.elements[14]=Ey.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const c=s.getRenderTarget(),h=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0,u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),s.setMRT(h),s.setRenderTarget(c),s.autoClear=p,i.visible=!0,By=!1,this.forceUpdate=!1}}const Dy=new ae(-1,1,1,-1,0,1);class Iy extends pe{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Fe([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Fe(t,2))}}const Vy=new Iy;class Uy extends X{constructor(e=null){super(Vy,e),this.camera=Dy,this.isQuadMesh=!0}async renderAsync(e){return e.renderAsync(this,Dy)}render(e){e.render(this,Dy)}}const Oy=new t;class ky extends Yu{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:ce}){const i=new ue(t,r,s);super(i.texture,$u()),this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new Uy(new lp),this.updateBeforeType=Vs.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoResize){const t=e.getPixelRatio(),r=e.getSize(Oy),s=r.width*t,i=r.height*t;s===this.renderTarget.width&&i===this.renderTarget.height||(this.renderTarget.setSize(s,i),this.textureNeedsUpdate=!0)}this._quadMesh.material.fragmentNode=this._rttNode;const t=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(t)}clone(){const e=new Yu(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const Gy=(e,...t)=>Li(new ky(Li(e),...t)),zy=ki(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===d?(e=Yi(e.x,e.y.oneMinus()).mul(2).sub(1),i=nn(en(e,t),1)):i=nn(en(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=nn(r.mul(i));return n.xyz.div(n.w)}),Hy=ki(([e,t])=>{const r=t.mul(nn(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return Yi(s.x,s.y.oneMinus())}),$y=ki(([e,t,r])=>{const s=ju(Ju(t)),i=Qi(e.mul(s)).toVar(),n=Ju(t,i).toVar(),a=Ju(t,i.sub(Qi(2,0))).toVar(),o=Ju(t,i.sub(Qi(1,0))).toVar(),u=Ju(t,i.add(Qi(1,0))).toVar(),l=Ju(t,i.add(Qi(2,0))).toVar(),d=Ju(t,i.add(Qi(0,2))).toVar(),c=Ju(t,i.add(Qi(0,1))).toVar(),h=Ju(t,i.sub(Qi(0,1))).toVar(),p=Ju(t,i.sub(Qi(0,2))).toVar(),g=io(ua(ji(2).mul(o).sub(a),n)).toVar(),m=io(ua(ji(2).mul(u).sub(l),n)).toVar(),f=io(ua(ji(2).mul(c).sub(d),n)).toVar(),y=io(ua(ji(2).mul(h).sub(p),n)).toVar(),b=zy(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(zy(e.sub(Yi(ji(1).div(s.x),0)),o,r)),b.negate().add(zy(e.add(Yi(ji(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(zy(e.add(Yi(0,ji(1).div(s.y))),c,r)),b.negate().add(zy(e.sub(Yi(0,ji(1).div(s.y))),h,r)));return Ya(wo(x,T))});class Wy extends js{static get type(){return"SampleNode"}constructor(e){super(),this.callback=e,this.isSampleNode=!0}setup(){return this.sample($u())}sample(e){return this.callback(e)}}class jy extends F{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class qy extends ge{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Xy extends js{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Ky=Ui(Xy),Yy=new w,Qy=new a;class Zy extends js{static get type(){return"SceneNode"}constructor(e=Zy.BACKGROUND_BLURRINESS,t=null){super(),this.scope=e,this.scene=t}setup(e){const t=this.scope,r=null!==this.scene?this.scene:e.scene;let s;return t===Zy.BACKGROUND_BLURRINESS?s=_d("backgroundBlurriness","float",r):t===Zy.BACKGROUND_INTENSITY?s=_d("backgroundIntensity","float",r):t===Zy.BACKGROUND_ROTATION?s=Zn("mat4").label("backgroundRotation").setGroup(Kn).onRenderUpdate(()=>{const e=r.background;return null!==e&&e.isTexture&&e.mapping!==Le?(Yy.copy(r.backgroundRotation),Yy.x*=-1,Yy.y*=-1,Yy.z*=-1,Qy.makeRotationFromEuler(Yy)):Qy.identity(),Qy}):console.error("THREE.SceneNode: Unknown scope:",t),s}}Zy.BACKGROUND_BLURRINESS="backgroundBlurriness",Zy.BACKGROUND_INTENSITY="backgroundIntensity",Zy.BACKGROUND_ROTATION="backgroundRotation";const Jy=Ui(Zy,Zy.BACKGROUND_BLURRINESS),eb=Ui(Zy,Zy.BACKGROUND_INTENSITY),tb=Ui(Zy,Zy.BACKGROUND_ROTATION);class rb extends Yu{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.isStorageTextureNode=!0,this.access=Os.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(Os.READ_WRITE)}toReadOnly(){return this.setAccess(Os.READ_ONLY)}toWriteOnly(){return this.setAccess(Os.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(e,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e}}const sb=Vi(rb).setParameterLength(1,3),ib=ki(({texture:e,uv:t})=>{const r=1e-4,s=en().toVar();return Hi(t.x.lessThan(r),()=>{s.assign(en(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(en(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(en(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(en(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(en(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(en(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(en(-.01,0,0))).r.sub(e.sample(t.add(en(r,0,0))).r),n=e.sample(t.add(en(0,-.01,0))).r.sub(e.sample(t.add(en(0,r,0))).r),a=e.sample(t.add(en(0,0,-.01))).r.sub(e.sample(t.add(en(0,0,r))).r);s.assign(en(i,n,a))}),s.normalize()});class nb extends Yu{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return en(.5,.5,.5)}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!e.isFlipY()||!0!==r.isRenderTargetTexture&&!0!==r.isFramebufferTexture||(t=this.sampler?t.flipY():t.setY(qi(ju(this,this.levelNode).y).sub(t.y).sub(1))),t}generateUV(e,t){return t.build(e,"vec3")}normal(e){return ib({texture:this,uv:e})}}const ab=Vi(nb).setParameterLength(1,3);class ob extends Td{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const ub=new WeakMap;class lb extends Ks{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Vs.OBJECT,this.updateAfterType=Vs.OBJECT,this.previousModelWorldMatrix=Zn(new a),this.previousProjectionMatrix=Zn(new a).setGroup(Kn),this.previousCameraViewMatrix=Zn(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=cb(r);this.previousModelWorldMatrix.value.copy(s);const i=db(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){cb(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?ll:Zn(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(Bl).mul(Vl),s=this.previousProjectionMatrix.mul(t).mul(Ul),i=r.xy.div(r.w),n=s.xy.div(s.w);return ua(i,n)}}function db(e){let t=ub.get(e);return void 0===t&&(t={},ub.set(e,t)),t}function cb(e,t=0){const r=db(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const hb=Ui(lb),pb=ki(([e])=>yb(e.rgb)),gb=ki(([e,t=ji(1)])=>t.mix(yb(e.rgb),e.rgb)),mb=ki(([e,t=ji(1)])=>{const r=oa(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return Lo(e.rgb,s,i)}),fb=ki(([e,t=ji(1)])=>{const r=en(.57735,.57735,.57735),s=t.cos();return en(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(Eo(r,e.rgb).mul(s.oneMinus())))))}),yb=(e,t=en(c.getLuminanceCoefficients(new r)))=>Eo(e,t),bb=ki(([e,t=en(1),s=en(0),i=en(1),n=ji(1),a=en(c.getLuminanceCoefficients(new r,le))])=>{const o=e.rgb.dot(en(a)),u=To(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return Hi(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),Hi(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),Hi(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),nn(u.rgb,e.a)});class xb extends Ks{static get type(){return"PosterizeNode"}constructor(e,t){super(),this.sourceNode=e,this.stepsNode=t}setup(){const{sourceNode:e,stepsNode:t}=this;return e.mul(t).floor().div(t)}}const Tb=Vi(xb).setParameterLength(2),_b=new t;class vb extends Yu{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return e.object.isQuadMesh&&this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class Nb extends vb{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e}}class Sb extends Ks{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new U;i.isRenderTargetTexture=!0,i.name="depth";const n=new ue(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:ce,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=Zn(0),this._cameraFar=Zn(0),this._mrt=null,this._layers=null,this._resolution=1,this.isPassNode=!0,this.updateBeforeType=Vs.FRAME,this.global=!0}setResolution(e){return this._resolution=e,this}getResolution(){return this._resolution}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=Li(new Nb(this,e)),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=Li(new Nb(this,e,!0)),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=$h(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=zh(i,r,s)}return t}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getColorBufferType(),this.scope===Sb.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s,i;const n=t.getOutputRenderTarget();n&&!0===n.isXRRenderTarget?(i=1,s=t.xr.getCamera(),t.xr.updateCamera(s),_b.set(n.width,n.height)):(s=this.camera,i=t.getPixelRatio(),t.getSize(_b)),this._pixelRatio=i,this.setSize(_b.width,_b.height);const a=t.getRenderTarget(),o=t.getMRT(),u=s.layers.mask;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.render(r,s),t.setRenderTarget(a),t.setMRT(o),s.layers.mask=u}setSize(e,t){this._width=e,this._height=t;const r=this._width*this._pixelRatio*this._resolution,s=this._height*this._pixelRatio*this._resolution;this.renderTarget.setSize(r,s)}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}Sb.COLOR="color",Sb.DEPTH="depth";class Eb extends Sb{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(Sb.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new lp;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=S;const t=Xl.negate(),r=ll.mul(Bl),s=ji(1),i=r.mul(nn(Vl,1)),n=r.mul(nn(Vl.add(t),1)),a=Ya(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=nn(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const wb=ki(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Ab=ki(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Rb=ki(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Cb=ki(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),Mb=ki(([e,t])=>{const r=dn(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=dn(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=Cb(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Pb=dn(en(1.6605,-.1246,-.0182),en(-.5876,1.1329,-.1006),en(-.0728,-.0083,1.1187)),Bb=dn(en(.6274,.0691,.0164),en(.3293,.9195,.088),en(.0433,.0113,.8956)),Fb=ki(([e])=>{const t=en(e).toVar(),r=en(t.mul(t)).toVar(),s=en(r.mul(r)).toVar();return ji(15.5).mul(s.mul(r)).sub(la(40.14,s.mul(t))).add(la(31.96,s).sub(la(6.868,r.mul(t))).add(la(.4298,r).add(la(.1191,t).sub(.00232))))}),Lb=ki(([e,t])=>{const r=en(e).toVar(),s=dn(en(.856627153315983,.137318972929847,.11189821299995),en(.0951212405381588,.761241990602591,.0767994186031903),en(.0482516061458583,.101439036467562,.811302368396859)),i=dn(en(1.1271005818144368,-.1413297634984383,-.14132976349843826),en(-.11060664309660323,1.157823702216272,-.11060664309660294),en(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=ji(-12.47393),a=ji(4.026069);return r.mulAssign(t),r.assign(Bb.mul(r)),r.assign(s.mul(r)),r.assign(To(r,1e-10)),r.assign(Wa(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(Do(r,0,1)),r.assign(Fb(r)),r.assign(i.mul(r)),r.assign(Ao(To(en(0),r),en(2.2))),r.assign(Pb.mul(r)),r.assign(Do(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),Db=ki(([e,t])=>{const r=ji(.76),s=ji(.15);e=e.mul(t);const i=xo(e.r,xo(e.g,e.b)),n=Xo(i.lessThan(.08),i.sub(la(6.25,i.mul(i))),.04);e.subAssign(n);const a=To(e.r,To(e.g,e.b));Hi(a.lessThan(r),()=>e);const o=ua(1,r),u=ua(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=ua(1,da(1,s.mul(a.sub(u)).add(1)));return Lo(e,en(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class Ib extends js{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const Vb=Vi(Ib).setParameterLength(1,3);class Ub extends Ib{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const Ob=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=Li(new Ub(e,t,r)),i=(...e)=>s.call(...e);return i.functionNode=s,i};class kb extends js{static get type(){return"ScriptableValueNode"}constructor(e=null){super(),this._value=e,this._cache=null,this.inputType=null,this.outputType=null,this.events=new o,this.isScriptableValueNode=!0}get isScriptableOutputNode(){return null!==this.outputType}set value(e){this._value!==e&&(this._cache&&"URL"===this.inputType&&this.value.value instanceof ArrayBuffer&&(URL.revokeObjectURL(this._cache),this._cache=null),this._value=e,this.events.dispatchEvent({type:"change"}),this.refresh())}get value(){return this._value}refresh(){this.events.dispatchEvent({type:"refresh"})}getValue(){const e=this.value;if(e&&null===this._cache&&"URL"===this.inputType&&e.value instanceof ArrayBuffer)this._cache=URL.createObjectURL(new Blob([e.value]));else if(e&&null!==e.value&&void 0!==e.value&&(("URL"===this.inputType||"String"===this.inputType)&&"string"==typeof e.value||"Number"===this.inputType&&"number"==typeof e.value||"Vector2"===this.inputType&&e.value.isVector2||"Vector3"===this.inputType&&e.value.isVector3||"Vector4"===this.inputType&&e.value.isVector4||"Color"===this.inputType&&e.value.isColor||"Matrix3"===this.inputType&&e.value.isMatrix3||"Matrix4"===this.inputType&&e.value.isMatrix4))return e.value;return this._cache||e}getNodeType(e){return this.value&&this.value.isNode?this.value.getNodeType(e):"float"}setup(){return this.value&&this.value.isNode?this.value:ji()}serialize(e){super.serialize(e),null!==this.value?"ArrayBuffer"===this.inputType?e.value=Fs(this.value):e.value=this.value?this.value.toJSON(e.meta).uuid:null:e.value=null,e.inputType=this.inputType,e.outputType=this.outputType}deserialize(e){super.deserialize(e);let t=null;null!==e.value&&(t="ArrayBuffer"===e.inputType?Ls(e.value):"Texture"===e.inputType?e.meta.textures[e.value]:e.meta.nodes[e.value]||null),this.value=t,this.inputType=e.inputType,this.outputType=e.outputType}}const Gb=Vi(kb).setParameterLength(1);class zb extends Map{get(e,t=null,...r){if(this.has(e))return super.get(e);if(null!==t){const s=t(...r);return this.set(e,s),s}}}class Hb{constructor(e){this.scriptableNode=e}get parameters(){return this.scriptableNode.parameters}get layout(){return this.scriptableNode.getLayout()}getInputLayout(e){return this.scriptableNode.getInputLayout(e)}get(e){const t=this.parameters[e];return t?t.getValue():null}}const $b=new zb;class Wb extends js{static get type(){return"ScriptableNode"}constructor(e=null,t={}){super(),this.codeNode=e,this.parameters=t,this._local=new zb,this._output=Gb(null),this._outputs={},this._source=this.source,this._method=null,this._object=null,this._value=null,this._needsOutputUpdate=!0,this.onRefresh=this.onRefresh.bind(this),this.isScriptableNode=!0}get source(){return this.codeNode?this.codeNode.code:""}setLocal(e,t){return this._local.set(e,t)}getLocal(e){return this._local.get(e)}onRefresh(){this._refresh()}getInputLayout(e){for(const t of this.getLayout())if(t.inputType&&(t.id===e||t.name===e))return t}getOutputLayout(e){for(const t of this.getLayout())if(t.outputType&&(t.id===e||t.name===e))return t}setOutput(e,t){const r=this._outputs;return void 0===r[e]?r[e]=Gb(t):r[e].value=t,this}getOutput(e){return this._outputs[e]}getParameter(e){return this.parameters[e]}setParameter(e,t){const r=this.parameters;return t&&t.isScriptableNode?(this.deleteParameter(e),r[e]=t,r[e].getDefaultOutput().events.addEventListener("refresh",this.onRefresh)):t&&t.isScriptableValueNode?(this.deleteParameter(e),r[e]=t,r[e].events.addEventListener("refresh",this.onRefresh)):void 0===r[e]?(r[e]=Gb(t),r[e].events.addEventListener("refresh",this.onRefresh)):r[e].value=t,this}getValue(){return this.getDefaultOutput().getValue()}deleteParameter(e){let t=this.parameters[e];return t&&(t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.removeEventListener("refresh",this.onRefresh)),this}clearParameters(){for(const e of Object.keys(this.parameters))this.deleteParameter(e);return this.needsUpdate=!0,this}call(e,...t){const r=this.getObject()[e];if("function"==typeof r)return r(...t)}async callAsync(e,...t){const r=this.getObject()[e];if("function"==typeof r)return"AsyncFunction"===r.constructor.name?await r(...t):r(...t)}getNodeType(e){return this.getDefaultOutputNode().getNodeType(e)}refresh(e=null){null!==e?this.getOutput(e).refresh():this._refresh()}getObject(){if(this.needsUpdate&&this.dispose(),null!==this._object)return this._object;const e=new Hb(this),t=$b.get("THREE"),r=$b.get("TSL"),s=this.getMethod(),i=[e,this._local,$b,()=>this.refresh(),(e,t)=>this.setOutput(e,t),t,r];this._object=s(...i);const n=this._object.layout;if(n&&(!1===n.cache&&this._local.clear(),this._output.outputType=n.outputType||null,Array.isArray(n.elements)))for(const e of n.elements){const t=e.id||e.name;e.inputType&&(void 0===this.getParameter(t)&&this.setParameter(t,null),this.getParameter(t).inputType=e.inputType),e.outputType&&(void 0===this.getOutput(t)&&this.setOutput(t,null),this.getOutput(t).outputType=e.outputType)}return this._object}deserialize(e){super.deserialize(e);for(const e in this.parameters){let t=this.parameters[e];t.isScriptableNode&&(t=t.getDefaultOutput()),t.events.addEventListener("refresh",this.onRefresh)}}getLayout(){return this.getObject().layout}getDefaultOutputNode(){const e=this.getDefaultOutput().value;return e&&e.isNode?e:ji()}getDefaultOutput(){return this._exec()._output}getMethod(){if(this.needsUpdate&&this.dispose(),null!==this._method)return this._method;const e=["layout","init","main","dispose"].join(", "),t="\nreturn { ...output, "+e+" };",r="var "+e+"; var output = {};\n"+this.codeNode.code+t;return this._method=new Function(...["parameters","local","global","refresh","setOutput","THREE","TSL"],r),this._method}dispose(){null!==this._method&&(this._object&&"function"==typeof this._object.dispose&&this._object.dispose(),this._method=null,this._object=null,this._source=null,this._value=null,this._needsOutputUpdate=!0,this._output.value=null,this._outputs={})}setup(){return this.getDefaultOutputNode()}getCacheKey(e){const t=[bs(this.source),this.getDefaultOutputNode().getCacheKey(e)];for(const r in this.parameters)t.push(this.parameters[r].getCacheKey(e));return xs(t)}set needsUpdate(e){!0===e&&this.dispose()}get needsUpdate(){return this.source!==this._source}_exec(){return null===this.codeNode||(!0===this._needsOutputUpdate&&(this._value=this.call("main"),this._needsOutputUpdate=!1),this._output.value=this._value),this}_refresh(){this.needsUpdate=!0,this._exec(),this._output.refresh()}}const jb=Vi(Wb).setParameterLength(1,2);function qb(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Gl.z).negate()}const Xb=ki(([e,t],r)=>{const s=qb(r);return Uo(e,t,s)}),Kb=ki(([e],t)=>{const r=qb(t);return e.mul(e,r,r).negate().exp().oneMinus()}),Yb=ki(([e,t])=>nn(t.toFloat().mix(Dn.rgb,e.toVec3()),Dn.a));let Qb=null,Zb=null;class Jb extends js{static get type(){return"RangeNode"}constructor(e=ji(),t=ji()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=e.getTypeLength(Ms(this.minNode.value)),r=e.getTypeLength(Ms(this.maxNode.value));return t>r?t:r}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.minNode.value,n=this.maxNode.value,a=e.getTypeLength(Ms(i)),o=e.getTypeLength(Ms(n));Qb=Qb||new s,Zb=Zb||new s,Qb.setScalar(0),Zb.setScalar(0),1===a?Qb.setScalar(i):i.isColor?Qb.set(i.r,i.g,i.b,1):Qb.set(i.x,i.y,i.z||0,i.w||0),1===o?Zb.setScalar(n):n.isColor?Zb.set(n.r,n.g,n.b,1):Zb.set(n.x,n.y,n.z||0,n.w||0);const l=4,d=l*t.count,c=new Float32Array(d);for(let e=0;e<d;e++){const t=e%l,r=Qb.getComponent(t),s=Zb.getComponent(t);c[e]=u.lerp(r,s,Math.random())}const h=this.getNodeType(e);if(t.count<=4096)r=tl(c,"vec4",t.count).element(jc).convert(h);else{const t=new F(c,4);e.geometry.setAttribute("__range"+this.id,t),r=Su(t).convert(h)}}else r=ji(0);return r}}const ex=Vi(Jb).setParameterLength(2);class tx extends js{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(console.warn(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const rx=(e,t)=>Li(new tx(e,t)),sx=rx("numWorkgroups","uvec3"),ix=rx("workgroupId","uvec3"),nx=rx("globalId","uvec3"),ax=rx("localId","uvec3"),ox=rx("subgroupSize","uint");const ux=Vi(class extends js{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}});class lx extends qs{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class dx extends js{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e}label(e){return this.name=e,this}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return Li(new lx(this,e))}generate(e){return e.getScopedArray(this.name||`${this.scope}Array_${this.id}`,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class cx extends js{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(1===r.length&&!0===r[0].isStackNode))return void 0===t.constNode&&(t.constNode=Iu(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}cx.ATOMIC_LOAD="atomicLoad",cx.ATOMIC_STORE="atomicStore",cx.ATOMIC_ADD="atomicAdd",cx.ATOMIC_SUB="atomicSub",cx.ATOMIC_MAX="atomicMax",cx.ATOMIC_MIN="atomicMin",cx.ATOMIC_AND="atomicAnd",cx.ATOMIC_OR="atomicOr",cx.ATOMIC_XOR="atomicXor";const hx=Vi(cx),px=(e,t,r)=>hx(e,t,r).toStack();let gx;function mx(e){gx=gx||new WeakMap;let t=gx.get(e);return void 0===t&&gx.set(e,t={}),t}function fx(e){const t=mx(e);return t.shadowMatrix||(t.shadowMatrix=Zn("mat4").setGroup(Kn).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||e.shadow.updateMatrices(e),e.shadow.matrix)))}function yx(e,t=Ol){const r=fx(e).mul(t);return r.xyz.div(r.w)}function bx(e){const t=mx(e);return t.position||(t.position=Zn(new r).setGroup(Kn).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function xx(e){const t=mx(e);return t.targetPosition||(t.targetPosition=Zn(new r).setGroup(Kn).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function Tx(e){const t=mx(e);return t.viewPosition||(t.viewPosition=Zn(new r).setGroup(Kn).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const _x=e=>cl.transformDirection(bx(e).sub(xx(e))),vx=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},Nx=new WeakMap,Sx=[];class Ex extends js{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=mn("vec3","totalDiffuse"),this.totalSpecularNode=mn("vec3","totalSpecular"),this.outgoingLightNode=mn("vec3","outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(Sx.push(r.id),Sx.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;Sx.push(e,t)}}const t=xs(Sx);return Sx.length=0,t}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getSelf().getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort((e,t)=>e.id-t.id))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Li(e));else{let s=null;if(null!==r&&(s=vx(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){console.warn(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;Nx.has(e)?s=Nx.get(e):(s=Li(new r(e)),Nx.set(e,s)),t.push(s)}}this._lightNodes=t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){return null===this._lightNodes&&this.setupLightsNode(e),this._lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=en(null!==l?l.mix(g,u):u),s.material.transparent=!0),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class wx extends js{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Vs.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){Ax.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||Ol)}}const Ax=mn("vec3","shadowPositionWorld");function Rx(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function Cx(e,t){return t=Rx(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function Mx(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function Px(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function Bx(e,t){return t=Px(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function Fx(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function Lx(e,t,r){return r=Bx(t,r=Cx(e,r))}function Dx(e,t,r){Mx(e,r),Fx(t,r)}var Ix=Object.freeze({__proto__:null,resetRendererAndSceneState:Lx,resetRendererState:Cx,resetSceneState:Bx,restoreRendererAndSceneState:Dx,restoreRendererState:Mx,restoreSceneState:Fx,saveRendererAndSceneState:function(e,t,r={}){return r=Px(t,r=Rx(e,r))},saveRendererState:Rx,saveSceneState:Px});const Vx=new WeakMap,Ux=ki(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Zu(e,t.xy).label("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),Ox=ki(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Zu(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=_d("mapSize","vec2",r).setGroup(Kn),a=_d("radius","float",r).setGroup(Kn),o=Yi(1).div(n),u=o.x.negate().mul(a),l=o.y.negate().mul(a),d=o.x.mul(a),c=o.y.mul(a),h=u.div(2),p=l.div(2),g=d.div(2),m=c.div(2);return oa(i(t.xy.add(Yi(u,l)),t.z),i(t.xy.add(Yi(0,l)),t.z),i(t.xy.add(Yi(d,l)),t.z),i(t.xy.add(Yi(h,p)),t.z),i(t.xy.add(Yi(0,p)),t.z),i(t.xy.add(Yi(g,p)),t.z),i(t.xy.add(Yi(u,0)),t.z),i(t.xy.add(Yi(h,0)),t.z),i(t.xy,t.z),i(t.xy.add(Yi(g,0)),t.z),i(t.xy.add(Yi(d,0)),t.z),i(t.xy.add(Yi(h,m)),t.z),i(t.xy.add(Yi(0,m)),t.z),i(t.xy.add(Yi(g,m)),t.z),i(t.xy.add(Yi(u,c)),t.z),i(t.xy.add(Yi(0,c)),t.z),i(t.xy.add(Yi(d,c)),t.z)).mul(1/17)}),kx=ki(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Zu(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=_d("mapSize","vec2",r).setGroup(Kn),a=Yi(1).div(n),o=a.x,u=a.y,l=t.xy,d=Qa(l.mul(n).add(.5));return l.subAssign(d.mul(a)),oa(i(l,t.z),i(l.add(Yi(o,0)),t.z),i(l.add(Yi(0,u)),t.z),i(l.add(a),t.z),Lo(i(l.add(Yi(o.negate(),0)),t.z),i(l.add(Yi(o.mul(2),0)),t.z),d.x),Lo(i(l.add(Yi(o.negate(),u)),t.z),i(l.add(Yi(o.mul(2),u)),t.z),d.x),Lo(i(l.add(Yi(0,u.negate())),t.z),i(l.add(Yi(0,u.mul(2))),t.z),d.y),Lo(i(l.add(Yi(o,u.negate())),t.z),i(l.add(Yi(o,u.mul(2))),t.z),d.y),Lo(Lo(i(l.add(Yi(o.negate(),u.negate())),t.z),i(l.add(Yi(o.mul(2),u.negate())),t.z),d.x),Lo(i(l.add(Yi(o.negate(),u.mul(2))),t.z),i(l.add(Yi(o.mul(2),u.mul(2))),t.z),d.x),d.y)).mul(1/9)}),Gx=ki(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{const s=ji(1).toVar();let i=Zu(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=_o(t.z,i.x);return Hi(n.notEqual(ji(1)),()=>{const e=t.z.sub(i.x),r=To(0,i.y.mul(i.y));let a=r.div(r.add(e.mul(e)));a=Do(ua(a,.3).div(.95-.3)),s.assign(Do(To(n,a)))}),s}),zx=ki(([e,t,r])=>{let s=Ol.sub(e).length();return s=s.sub(t).div(r.sub(t)),s=s.saturate(),s}),Hx=e=>{let t=Vx.get(e);if(void 0===t){const r=e.isPointLight?(e=>{const t=e.shadow.camera,r=_d("near","float",t).setGroup(Kn),s=_d("far","float",t).setGroup(Kn),i=xl(e);return zx(i,r,s)})(e):null;t=new lp,t.colorNode=nn(0,0,0,1),t.depthNode=r,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,Vx.set(e,t)}return t},$x=new af,Wx=[],jx=(e,t,r,s)=>{Wx[0]=e,Wx[1]=t;let i=$x.get(Wx);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===De)&&(s&&(Bs(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,$x.set(Wx,i)),Wx[0]=null,Wx[1]=null,i},qx=ki(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=ji(0).toVar("meanVertical"),a=ji(0).toVar("squareMeanVertical"),o=e.lessThanEqual(ji(1)).select(ji(0),ji(2).div(e.sub(1))),u=e.lessThanEqual(ji(1)).select(ji(0),ji(-1));ch({start:qi(0),end:qi(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(ji(e).mul(o));let d=s.sample(oa(Rh.xy,Yi(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=ja(a.sub(n.mul(n)));return Yi(n,l)}),Xx=ki(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=ji(0).toVar("meanHorizontal"),a=ji(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(ji(1)).select(ji(0),ji(2).div(e.sub(1))),u=e.lessThanEqual(ji(1)).select(ji(0),ji(-1));ch({start:qi(0),end:qi(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(ji(e).mul(o));let d=s.sample(oa(Rh.xy,Yi(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(oa(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=ja(a.sub(n.mul(n)));return Yi(n,l)}),Kx=[Ux,Ox,kx,Gx];let Yx;const Qx=new Uy;class Zx extends wx{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,ji(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=_d("bias","float",r).setGroup(Kn);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z,s.coordinateSystem===d&&(n=n.mul(2).sub(1));else{const e=a.w;a=a.xy.div(e);const t=_d("near","float",r.camera).setGroup(Kn),s=_d("far","float",r.camera).setGroup(Kn);n=Wh(e.negate(),t,s)}return a=en(a.x,a.y.oneMinus(),n.add(i)),a}getShadowFilterFn(e){return Kx[e]}setupRenderTarget(e,t){const r=new U(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=Ie;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t}=e,{light:r,shadow:s}=this,i=t.shadowMap.type,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(s,e);if(s.camera.updateProjectionMatrix(),i===De&&!0!==s.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Ve,type:ce,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Ve,type:ce,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Ve,type:ce,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(s.mapSize.width,s.mapSize.height,{format:Ve,type:ce,depthBuffer:!1}));let t=Zu(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=Zu(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const i=_d("blurSamples","float",s).setGroup(Kn),o=_d("radius","float",s).setGroup(Kn),u=_d("mapSize","vec2",s).setGroup(Kn);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new lp);l.fragmentNode=qx({samples:i,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new lp),l.fragmentNode=Xx({samples:i,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const o=_d("intensity","float",s).setGroup(Kn),u=_d("normalBias","float",s).setGroup(Kn),l=fx(r).mul(Ax.add(Jl.mul(u))),d=this.setupShadowCoord(e,l),c=s.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===c)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const h=i===De&&!0!==s.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,p=this.setupShadowFilter(e,{filterFn:c,shadowTexture:a.texture,depthTexture:h,shadowCoord:d,shadow:s,depthLayer:this.depthLayer});let g=Zu(a.texture,d);n.isArrayTexture&&(g=g.depth(this.depthLayer));const m=Lo(1,p.rgb.mix(g,1),o.mul(g.a)).toVar();return this.shadowMap=a,this.shadow.map=a,m}setup(e){if(!1!==e.renderer.shadowMap.enabled)return ki(()=>{let t=this._node;return this.setupShadowPosition(e),null===t&&(this._node=t=this.setupShadow(e)),e.material.shadowNode&&console.warn('THREE.NodeMaterial: ".shadowNode" is deprecated. Use ".castShadowNode" instead.'),e.material.receivedShadowNode&&(t=e.material.receivedShadowNode(t)),t})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth),i.render(n,t.camera)}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");Yx=Lx(i,n,Yx),n.overrideMaterial=Hx(r),i.setRenderObjectFunction(jx(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===De&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,Dx(i,n,Yx)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),Qx.material=this.vsmMaterialVertical,Qx.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),Qx.material=this.vsmMaterialHorizontal,Qx.render(e)}dispose(){this.shadowMap.dispose(),this.shadowMap=null,null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null),super.dispose()}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const Jx=(e,t)=>Li(new Zx(e,t)),eT=new e,tT=ki(([e,t])=>{const r=e.toVar(),s=io(r),i=da(1,To(s.x,To(s.y,s.z)));s.mulAssign(i),r.mulAssign(i.mul(t.mul(2).oneMinus()));const n=Yi(r.xy).toVar(),a=t.mul(1.5).oneMinus();return Hi(s.z.greaterThanEqual(a),()=>{Hi(r.z.greaterThan(0),()=>{n.x.assign(ua(4,r.x))})}).ElseIf(s.x.greaterThanEqual(a),()=>{const e=no(r.x);n.x.assign(r.z.mul(e).add(e.mul(2)))}).ElseIf(s.y.greaterThanEqual(a),()=>{const e=no(r.y);n.x.assign(r.x.add(e.mul(2)).add(2)),n.y.assign(r.z.mul(e).sub(2))}),Yi(.125,.25).mul(n).add(Yi(.375,.75)).flipY()}).setLayout({name:"cubeToUV",type:"vec2",inputs:[{name:"pos",type:"vec3"},{name:"texelSizeY",type:"float"}]}),rT=ki(({depthTexture:e,bd3D:t,dp:r,texelSize:s})=>Zu(e,tT(t,s.y)).compare(r)),sT=ki(({depthTexture:e,bd3D:t,dp:r,texelSize:s,shadow:i})=>{const n=_d("radius","float",i).setGroup(Kn),a=Yi(-1,1).mul(n).mul(s.y);return Zu(e,tT(t.add(a.xyy),s.y)).compare(r).add(Zu(e,tT(t.add(a.yyy),s.y)).compare(r)).add(Zu(e,tT(t.add(a.xyx),s.y)).compare(r)).add(Zu(e,tT(t.add(a.yyx),s.y)).compare(r)).add(Zu(e,tT(t,s.y)).compare(r)).add(Zu(e,tT(t.add(a.xxy),s.y)).compare(r)).add(Zu(e,tT(t.add(a.yxy),s.y)).compare(r)).add(Zu(e,tT(t.add(a.xxx),s.y)).compare(r)).add(Zu(e,tT(t.add(a.yxx),s.y)).compare(r)).mul(1/9)}),iT=ki(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toVar(),n=i.length(),a=Zn("float").setGroup(Kn).onRenderUpdate(()=>s.camera.near),o=Zn("float").setGroup(Kn).onRenderUpdate(()=>s.camera.far),u=_d("bias","float",s).setGroup(Kn),l=Zn(s.mapSize).setGroup(Kn),d=ji(1).toVar();return Hi(n.sub(o).lessThanEqual(0).and(n.sub(a).greaterThanEqual(0)),()=>{const r=n.sub(a).div(o.sub(a)).toVar();r.addAssign(u);const c=i.normalize(),h=Yi(1).div(l.mul(Yi(4,2)));d.assign(e({depthTexture:t,bd3D:c,dp:r,texelSize:h,shadow:s}))}),d}),nT=new s,aT=new t,oT=new t;class uT extends Zx{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===Ue?rT:sT}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n}){return iT({filterFn:t,shadowTexture:r,depthTexture:s,shadowCoord:i,shadow:n})}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.getFrameExtents();oT.copy(t.mapSize),oT.multiply(a),r.setSize(oT.width,oT.height),aT.copy(t.mapSize);const o=i.autoClear,u=i.getClearColor(eT),l=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha),i.clear();const d=t.getViewportCount();for(let e=0;e<d;e++){const a=t.getViewport(e),o=aT.x*a.x,u=oT.y-aT.y-aT.y*a.y;nT.set(o,u,aT.x*a.z,aT.y*a.w),r.viewport.copy(nT),t.updateMatrices(s,e),i.render(n,t.camera)}i.autoClear=o,i.setClearColor(u,l)}}const lT=(e,t)=>Li(new uT(e,t));class dT extends bh{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||Zn(this.color).setGroup(Kn),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Vs.FRAME}getHash(){return this.light.uuid}getLightVector(e){return Tx(this.light).sub(e.context.positionView||Gl)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return Jx(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?Li(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const cT=ki(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),hT=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=cT({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class pT extends dT{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=Zn(0).setGroup(Kn),this.decayExponentNode=Zn(2).setGroup(Kn)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return lT(this.light)}setupDirect(e){return hT({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const gT=ki(([e=$u()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),mT=ki(([e=$u()],{renderer:t,material:r})=>{const s=Fo(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.samples>1){const e=ji(s.fwidth()).toVar();i=Uo(e.oneMinus(),e.add(1),s).oneMinus()}else i=Xo(s.greaterThan(1),0,1);return i}),fT=ki(([e,t,r])=>{const s=ji(r).toVar(),i=ji(t).toVar(),n=Ki(e).toVar();return Xo(n,i,s)}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),yT=ki(([e,t])=>{const r=Ki(t).toVar(),s=ji(e).toVar();return Xo(r,s.negate(),s)}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),bT=ki(([e])=>{const t=ji(e).toVar();return qi(Xa(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),xT=ki(([e,t])=>{const r=ji(e).toVar();return t.assign(bT(r)),r.sub(ji(t))}),TT=uy([ki(([e,t,r,s,i,n])=>{const a=ji(n).toVar(),o=ji(i).toVar(),u=ji(s).toVar(),l=ji(r).toVar(),d=ji(t).toVar(),c=ji(e).toVar(),h=ji(ua(1,o)).toVar();return ua(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),ki(([e,t,r,s,i,n])=>{const a=ji(n).toVar(),o=ji(i).toVar(),u=en(s).toVar(),l=en(r).toVar(),d=en(t).toVar(),c=en(e).toVar(),h=ji(ua(1,o)).toVar();return ua(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),_T=uy([ki(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=ji(d).toVar(),h=ji(l).toVar(),p=ji(u).toVar(),g=ji(o).toVar(),m=ji(a).toVar(),f=ji(n).toVar(),y=ji(i).toVar(),b=ji(s).toVar(),x=ji(r).toVar(),T=ji(t).toVar(),_=ji(e).toVar(),v=ji(ua(1,p)).toVar(),N=ji(ua(1,h)).toVar();return ji(ua(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),ki(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=ji(d).toVar(),h=ji(l).toVar(),p=ji(u).toVar(),g=en(o).toVar(),m=en(a).toVar(),f=en(n).toVar(),y=en(i).toVar(),b=en(s).toVar(),x=en(r).toVar(),T=en(t).toVar(),_=en(e).toVar(),v=ji(ua(1,p)).toVar(),N=ji(ua(1,h)).toVar();return ji(ua(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),vT=ki(([e,t,r])=>{const s=ji(r).toVar(),i=ji(t).toVar(),n=Xi(e).toVar(),a=Xi(n.bitAnd(Xi(7))).toVar(),o=ji(fT(a.lessThan(Xi(4)),i,s)).toVar(),u=ji(la(2,fT(a.lessThan(Xi(4)),s,i))).toVar();return yT(o,Ki(a.bitAnd(Xi(1)))).add(yT(u,Ki(a.bitAnd(Xi(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),NT=ki(([e,t,r,s])=>{const i=ji(s).toVar(),n=ji(r).toVar(),a=ji(t).toVar(),o=Xi(e).toVar(),u=Xi(o.bitAnd(Xi(15))).toVar(),l=ji(fT(u.lessThan(Xi(8)),a,n)).toVar(),d=ji(fT(u.lessThan(Xi(4)),n,fT(u.equal(Xi(12)).or(u.equal(Xi(14))),a,i))).toVar();return yT(l,Ki(u.bitAnd(Xi(1)))).add(yT(d,Ki(u.bitAnd(Xi(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),ST=uy([vT,NT]),ET=ki(([e,t,r])=>{const s=ji(r).toVar(),i=ji(t).toVar(),n=rn(e).toVar();return en(ST(n.x,i,s),ST(n.y,i,s),ST(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),wT=ki(([e,t,r,s])=>{const i=ji(s).toVar(),n=ji(r).toVar(),a=ji(t).toVar(),o=rn(e).toVar();return en(ST(o.x,a,n,i),ST(o.y,a,n,i),ST(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),AT=uy([ET,wT]),RT=ki(([e])=>{const t=ji(e).toVar();return la(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),CT=ki(([e])=>{const t=ji(e).toVar();return la(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),MT=uy([RT,ki(([e])=>{const t=en(e).toVar();return la(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),PT=uy([CT,ki(([e])=>{const t=en(e).toVar();return la(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),BT=ki(([e,t])=>{const r=qi(t).toVar(),s=Xi(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(qi(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),FT=ki(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(BT(r,qi(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(BT(e,qi(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(BT(t,qi(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(BT(r,qi(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(BT(e,qi(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(BT(t,qi(4))),t.addAssign(e)}),LT=ki(([e,t,r])=>{const s=Xi(r).toVar(),i=Xi(t).toVar(),n=Xi(e).toVar();return s.bitXorAssign(i),s.subAssign(BT(i,qi(14))),n.bitXorAssign(s),n.subAssign(BT(s,qi(11))),i.bitXorAssign(n),i.subAssign(BT(n,qi(25))),s.bitXorAssign(i),s.subAssign(BT(i,qi(16))),n.bitXorAssign(s),n.subAssign(BT(s,qi(4))),i.bitXorAssign(n),i.subAssign(BT(n,qi(14))),s.bitXorAssign(i),s.subAssign(BT(i,qi(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),DT=ki(([e])=>{const t=Xi(e).toVar();return ji(t).div(ji(Xi(qi(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),IT=ki(([e])=>{const t=ji(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),VT=uy([ki(([e])=>{const t=qi(e).toVar(),r=Xi(Xi(1)).toVar(),s=Xi(Xi(qi(3735928559)).add(r.shiftLeft(Xi(2))).add(Xi(13))).toVar();return LT(s.add(Xi(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),ki(([e,t])=>{const r=qi(t).toVar(),s=qi(e).toVar(),i=Xi(Xi(2)).toVar(),n=Xi().toVar(),a=Xi().toVar(),o=Xi().toVar();return n.assign(a.assign(o.assign(Xi(qi(3735928559)).add(i.shiftLeft(Xi(2))).add(Xi(13))))),n.addAssign(Xi(s)),a.addAssign(Xi(r)),LT(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),ki(([e,t,r])=>{const s=qi(r).toVar(),i=qi(t).toVar(),n=qi(e).toVar(),a=Xi(Xi(3)).toVar(),o=Xi().toVar(),u=Xi().toVar(),l=Xi().toVar();return o.assign(u.assign(l.assign(Xi(qi(3735928559)).add(a.shiftLeft(Xi(2))).add(Xi(13))))),o.addAssign(Xi(n)),u.addAssign(Xi(i)),l.addAssign(Xi(s)),LT(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),ki(([e,t,r,s])=>{const i=qi(s).toVar(),n=qi(r).toVar(),a=qi(t).toVar(),o=qi(e).toVar(),u=Xi(Xi(4)).toVar(),l=Xi().toVar(),d=Xi().toVar(),c=Xi().toVar();return l.assign(d.assign(c.assign(Xi(qi(3735928559)).add(u.shiftLeft(Xi(2))).add(Xi(13))))),l.addAssign(Xi(o)),d.addAssign(Xi(a)),c.addAssign(Xi(n)),FT(l,d,c),l.addAssign(Xi(i)),LT(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),ki(([e,t,r,s,i])=>{const n=qi(i).toVar(),a=qi(s).toVar(),o=qi(r).toVar(),u=qi(t).toVar(),l=qi(e).toVar(),d=Xi(Xi(5)).toVar(),c=Xi().toVar(),h=Xi().toVar(),p=Xi().toVar();return c.assign(h.assign(p.assign(Xi(qi(3735928559)).add(d.shiftLeft(Xi(2))).add(Xi(13))))),c.addAssign(Xi(l)),h.addAssign(Xi(u)),p.addAssign(Xi(o)),FT(c,h,p),c.addAssign(Xi(a)),h.addAssign(Xi(n)),LT(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),UT=uy([ki(([e,t])=>{const r=qi(t).toVar(),s=qi(e).toVar(),i=Xi(VT(s,r)).toVar(),n=rn().toVar();return n.x.assign(i.bitAnd(qi(255))),n.y.assign(i.shiftRight(qi(8)).bitAnd(qi(255))),n.z.assign(i.shiftRight(qi(16)).bitAnd(qi(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),ki(([e,t,r])=>{const s=qi(r).toVar(),i=qi(t).toVar(),n=qi(e).toVar(),a=Xi(VT(n,i,s)).toVar(),o=rn().toVar();return o.x.assign(a.bitAnd(qi(255))),o.y.assign(a.shiftRight(qi(8)).bitAnd(qi(255))),o.z.assign(a.shiftRight(qi(16)).bitAnd(qi(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),OT=uy([ki(([e])=>{const t=Yi(e).toVar(),r=qi().toVar(),s=qi().toVar(),i=ji(xT(t.x,r)).toVar(),n=ji(xT(t.y,s)).toVar(),a=ji(IT(i)).toVar(),o=ji(IT(n)).toVar(),u=ji(TT(ST(VT(r,s),i,n),ST(VT(r.add(qi(1)),s),i.sub(1),n),ST(VT(r,s.add(qi(1))),i,n.sub(1)),ST(VT(r.add(qi(1)),s.add(qi(1))),i.sub(1),n.sub(1)),a,o)).toVar();return MT(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),ki(([e])=>{const t=en(e).toVar(),r=qi().toVar(),s=qi().toVar(),i=qi().toVar(),n=ji(xT(t.x,r)).toVar(),a=ji(xT(t.y,s)).toVar(),o=ji(xT(t.z,i)).toVar(),u=ji(IT(n)).toVar(),l=ji(IT(a)).toVar(),d=ji(IT(o)).toVar(),c=ji(_T(ST(VT(r,s,i),n,a,o),ST(VT(r.add(qi(1)),s,i),n.sub(1),a,o),ST(VT(r,s.add(qi(1)),i),n,a.sub(1),o),ST(VT(r.add(qi(1)),s.add(qi(1)),i),n.sub(1),a.sub(1),o),ST(VT(r,s,i.add(qi(1))),n,a,o.sub(1)),ST(VT(r.add(qi(1)),s,i.add(qi(1))),n.sub(1),a,o.sub(1)),ST(VT(r,s.add(qi(1)),i.add(qi(1))),n,a.sub(1),o.sub(1)),ST(VT(r.add(qi(1)),s.add(qi(1)),i.add(qi(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return PT(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),kT=uy([ki(([e])=>{const t=Yi(e).toVar(),r=qi().toVar(),s=qi().toVar(),i=ji(xT(t.x,r)).toVar(),n=ji(xT(t.y,s)).toVar(),a=ji(IT(i)).toVar(),o=ji(IT(n)).toVar(),u=en(TT(AT(UT(r,s),i,n),AT(UT(r.add(qi(1)),s),i.sub(1),n),AT(UT(r,s.add(qi(1))),i,n.sub(1)),AT(UT(r.add(qi(1)),s.add(qi(1))),i.sub(1),n.sub(1)),a,o)).toVar();return MT(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),ki(([e])=>{const t=en(e).toVar(),r=qi().toVar(),s=qi().toVar(),i=qi().toVar(),n=ji(xT(t.x,r)).toVar(),a=ji(xT(t.y,s)).toVar(),o=ji(xT(t.z,i)).toVar(),u=ji(IT(n)).toVar(),l=ji(IT(a)).toVar(),d=ji(IT(o)).toVar(),c=en(_T(AT(UT(r,s,i),n,a,o),AT(UT(r.add(qi(1)),s,i),n.sub(1),a,o),AT(UT(r,s.add(qi(1)),i),n,a.sub(1),o),AT(UT(r.add(qi(1)),s.add(qi(1)),i),n.sub(1),a.sub(1),o),AT(UT(r,s,i.add(qi(1))),n,a,o.sub(1)),AT(UT(r.add(qi(1)),s,i.add(qi(1))),n.sub(1),a,o.sub(1)),AT(UT(r,s.add(qi(1)),i.add(qi(1))),n,a.sub(1),o.sub(1)),AT(UT(r.add(qi(1)),s.add(qi(1)),i.add(qi(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return PT(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),GT=uy([ki(([e])=>{const t=ji(e).toVar(),r=qi(bT(t)).toVar();return DT(VT(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),ki(([e])=>{const t=Yi(e).toVar(),r=qi(bT(t.x)).toVar(),s=qi(bT(t.y)).toVar();return DT(VT(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),ki(([e])=>{const t=en(e).toVar(),r=qi(bT(t.x)).toVar(),s=qi(bT(t.y)).toVar(),i=qi(bT(t.z)).toVar();return DT(VT(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),ki(([e])=>{const t=nn(e).toVar(),r=qi(bT(t.x)).toVar(),s=qi(bT(t.y)).toVar(),i=qi(bT(t.z)).toVar(),n=qi(bT(t.w)).toVar();return DT(VT(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),zT=uy([ki(([e])=>{const t=ji(e).toVar(),r=qi(bT(t)).toVar();return en(DT(VT(r,qi(0))),DT(VT(r,qi(1))),DT(VT(r,qi(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),ki(([e])=>{const t=Yi(e).toVar(),r=qi(bT(t.x)).toVar(),s=qi(bT(t.y)).toVar();return en(DT(VT(r,s,qi(0))),DT(VT(r,s,qi(1))),DT(VT(r,s,qi(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),ki(([e])=>{const t=en(e).toVar(),r=qi(bT(t.x)).toVar(),s=qi(bT(t.y)).toVar(),i=qi(bT(t.z)).toVar();return en(DT(VT(r,s,i,qi(0))),DT(VT(r,s,i,qi(1))),DT(VT(r,s,i,qi(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ki(([e])=>{const t=nn(e).toVar(),r=qi(bT(t.x)).toVar(),s=qi(bT(t.y)).toVar(),i=qi(bT(t.z)).toVar(),n=qi(bT(t.w)).toVar();return en(DT(VT(r,s,i,n,qi(0))),DT(VT(r,s,i,n,qi(1))),DT(VT(r,s,i,n,qi(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),HT=ki(([e,t,r,s])=>{const i=ji(s).toVar(),n=ji(r).toVar(),a=qi(t).toVar(),o=en(e).toVar(),u=ji(0).toVar(),l=ji(1).toVar();return ch(a,()=>{u.addAssign(l.mul(OT(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),$T=ki(([e,t,r,s])=>{const i=ji(s).toVar(),n=ji(r).toVar(),a=qi(t).toVar(),o=en(e).toVar(),u=en(0).toVar(),l=ji(1).toVar();return ch(a,()=>{u.addAssign(l.mul(kT(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),WT=ki(([e,t,r,s])=>{const i=ji(s).toVar(),n=ji(r).toVar(),a=qi(t).toVar(),o=en(e).toVar();return Yi(HT(o,a,n,i),HT(o.add(en(qi(19),qi(193),qi(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),jT=ki(([e,t,r,s])=>{const i=ji(s).toVar(),n=ji(r).toVar(),a=qi(t).toVar(),o=en(e).toVar(),u=en($T(o,a,n,i)).toVar(),l=ji(HT(o.add(en(qi(19),qi(193),qi(17))),a,n,i)).toVar();return nn(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),qT=uy([ki(([e,t,r,s,i,n,a])=>{const o=qi(a).toVar(),u=ji(n).toVar(),l=qi(i).toVar(),d=qi(s).toVar(),c=qi(r).toVar(),h=qi(t).toVar(),p=Yi(e).toVar(),g=en(zT(Yi(h.add(d),c.add(l)))).toVar(),m=Yi(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=Yi(Yi(ji(h),ji(c)).add(m)).toVar(),y=Yi(f.sub(p)).toVar();return Hi(o.equal(qi(2)),()=>io(y.x).add(io(y.y))),Hi(o.equal(qi(3)),()=>To(io(y.x),io(y.y))),Eo(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),ki(([e,t,r,s,i,n,a,o,u])=>{const l=qi(u).toVar(),d=ji(o).toVar(),c=qi(a).toVar(),h=qi(n).toVar(),p=qi(i).toVar(),g=qi(s).toVar(),m=qi(r).toVar(),f=qi(t).toVar(),y=en(e).toVar(),b=en(zT(en(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=en(en(ji(f),ji(m),ji(g)).add(b)).toVar(),T=en(x.sub(y)).toVar();return Hi(l.equal(qi(2)),()=>io(T.x).add(io(T.y)).add(io(T.z))),Hi(l.equal(qi(3)),()=>To(io(T.x),io(T.y),io(T.z))),Eo(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),XT=ki(([e,t,r])=>{const s=qi(r).toVar(),i=ji(t).toVar(),n=Yi(e).toVar(),a=qi().toVar(),o=qi().toVar(),u=Yi(xT(n.x,a),xT(n.y,o)).toVar(),l=ji(1e6).toVar();return ch({start:-1,end:qi(1),name:"x",condition:"<="},({x:e})=>{ch({start:-1,end:qi(1),name:"y",condition:"<="},({y:t})=>{const r=ji(qT(u,e,t,a,o,i,s)).toVar();l.assign(xo(l,r))})}),Hi(s.equal(qi(0)),()=>{l.assign(ja(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),KT=ki(([e,t,r])=>{const s=qi(r).toVar(),i=ji(t).toVar(),n=Yi(e).toVar(),a=qi().toVar(),o=qi().toVar(),u=Yi(xT(n.x,a),xT(n.y,o)).toVar(),l=Yi(1e6,1e6).toVar();return ch({start:-1,end:qi(1),name:"x",condition:"<="},({x:e})=>{ch({start:-1,end:qi(1),name:"y",condition:"<="},({y:t})=>{const r=ji(qT(u,e,t,a,o,i,s)).toVar();Hi(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),Hi(s.equal(qi(0)),()=>{l.assign(ja(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),YT=ki(([e,t,r])=>{const s=qi(r).toVar(),i=ji(t).toVar(),n=Yi(e).toVar(),a=qi().toVar(),o=qi().toVar(),u=Yi(xT(n.x,a),xT(n.y,o)).toVar(),l=en(1e6,1e6,1e6).toVar();return ch({start:-1,end:qi(1),name:"x",condition:"<="},({x:e})=>{ch({start:-1,end:qi(1),name:"y",condition:"<="},({y:t})=>{const r=ji(qT(u,e,t,a,o,i,s)).toVar();Hi(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),Hi(s.equal(qi(0)),()=>{l.assign(ja(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),QT=uy([XT,ki(([e,t,r])=>{const s=qi(r).toVar(),i=ji(t).toVar(),n=en(e).toVar(),a=qi().toVar(),o=qi().toVar(),u=qi().toVar(),l=en(xT(n.x,a),xT(n.y,o),xT(n.z,u)).toVar(),d=ji(1e6).toVar();return ch({start:-1,end:qi(1),name:"x",condition:"<="},({x:e})=>{ch({start:-1,end:qi(1),name:"y",condition:"<="},({y:t})=>{ch({start:-1,end:qi(1),name:"z",condition:"<="},({z:r})=>{const n=ji(qT(l,e,t,r,a,o,u,i,s)).toVar();d.assign(xo(d,n))})})}),Hi(s.equal(qi(0)),()=>{d.assign(ja(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),ZT=uy([KT,ki(([e,t,r])=>{const s=qi(r).toVar(),i=ji(t).toVar(),n=en(e).toVar(),a=qi().toVar(),o=qi().toVar(),u=qi().toVar(),l=en(xT(n.x,a),xT(n.y,o),xT(n.z,u)).toVar(),d=Yi(1e6,1e6).toVar();return ch({start:-1,end:qi(1),name:"x",condition:"<="},({x:e})=>{ch({start:-1,end:qi(1),name:"y",condition:"<="},({y:t})=>{ch({start:-1,end:qi(1),name:"z",condition:"<="},({z:r})=>{const n=ji(qT(l,e,t,r,a,o,u,i,s)).toVar();Hi(n.lessThan(d.x),()=>{d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.y.assign(n)})})})}),Hi(s.equal(qi(0)),()=>{d.assign(ja(d))}),d}).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),JT=uy([YT,ki(([e,t,r])=>{const s=qi(r).toVar(),i=ji(t).toVar(),n=en(e).toVar(),a=qi().toVar(),o=qi().toVar(),u=qi().toVar(),l=en(xT(n.x,a),xT(n.y,o),xT(n.z,u)).toVar(),d=en(1e6,1e6,1e6).toVar();return ch({start:-1,end:qi(1),name:"x",condition:"<="},({x:e})=>{ch({start:-1,end:qi(1),name:"y",condition:"<="},({y:t})=>{ch({start:-1,end:qi(1),name:"z",condition:"<="},({z:r})=>{const n=ji(qT(l,e,t,r,a,o,u,i,s)).toVar();Hi(n.lessThan(d.x),()=>{d.z.assign(d.y),d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.z.assign(d.y),d.y.assign(n)}).ElseIf(n.lessThan(d.z),()=>{d.z.assign(n)})})})}),Hi(s.equal(qi(0)),()=>{d.assign(ja(d))}),d}).setLayout({name:"mx_worley_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),e_=ki(([e])=>{const t=e.y,r=e.z,s=en().toVar();return Hi(t.lessThan(1e-4),()=>{s.assign(en(r,r,r))}).Else(()=>{let i=e.x;i=i.sub(Xa(i)).mul(6).toVar();const n=qi(go(i)),a=i.sub(ji(n)),o=r.mul(t.oneMinus()),u=r.mul(t.mul(a).oneMinus()),l=r.mul(t.mul(a.oneMinus()).oneMinus());Hi(n.equal(qi(0)),()=>{s.assign(en(r,l,o))}).ElseIf(n.equal(qi(1)),()=>{s.assign(en(u,r,o))}).ElseIf(n.equal(qi(2)),()=>{s.assign(en(o,r,l))}).ElseIf(n.equal(qi(3)),()=>{s.assign(en(o,u,r))}).ElseIf(n.equal(qi(4)),()=>{s.assign(en(l,o,r))}).Else(()=>{s.assign(en(r,o,u))})}),s}).setLayout({name:"mx_hsvtorgb",type:"vec3",inputs:[{name:"hsv",type:"vec3"}]}),t_=ki(([e])=>{const t=en(e).toVar(),r=ji(t.x).toVar(),s=ji(t.y).toVar(),i=ji(t.z).toVar(),n=ji(xo(r,xo(s,i))).toVar(),a=ji(To(r,To(s,i))).toVar(),o=ji(a.sub(n)).toVar(),u=ji().toVar(),l=ji().toVar(),d=ji().toVar();return d.assign(a),Hi(a.greaterThan(0),()=>{l.assign(o.div(a))}).Else(()=>{l.assign(0)}),Hi(l.lessThanEqual(0),()=>{u.assign(0)}).Else(()=>{Hi(r.greaterThanEqual(a),()=>{u.assign(s.sub(i).div(o))}).ElseIf(s.greaterThanEqual(a),()=>{u.assign(oa(2,i.sub(r).div(o)))}).Else(()=>{u.assign(oa(4,r.sub(s).div(o)))}),u.mulAssign(1/6),Hi(u.lessThan(0),()=>{u.addAssign(1)})}),en(u,l,d)}).setLayout({name:"mx_rgbtohsv",type:"vec3",inputs:[{name:"c",type:"vec3"}]}),r_=ki(([e])=>{const t=en(e).toVar(),r=sn(ma(t,en(.04045))).toVar(),s=en(t.div(12.92)).toVar(),i=en(Ao(To(t.add(en(.055)),en(0)).div(1.055),en(2.4))).toVar();return Lo(s,i,r)}).setLayout({name:"mx_srgb_texture_to_lin_rec709",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),s_=(e,t)=>{e=ji(e),t=ji(t);const r=Yi(t.dFdx(),t.dFdy()).length().mul(.7071067811865476);return Uo(e.sub(r),e.add(r),t)},i_=(e,t,r,s)=>Lo(e,t,r[s].clamp()),n_=(e,t,r,s,i)=>Lo(e,t,s_(r,s[i])),a_=ki(([e,t,r])=>{const 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Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(console.error(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new lp),e.build(this)}else this.addFlow("compute",e);for(const e of Gs){this.setBuildStage(e),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const t of zs){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getNodeUniform(e,t){if("float"===t||"int"===t||"uint"===t)return new P_(e);if("vec2"===t||"ivec2"===t||"uvec2"===t)return new B_(e);if("vec3"===t||"ivec3"===t||"uvec3"===t)return new F_(e);if("vec4"===t||"ivec4"===t||"uvec4"===t)return new L_(e);if("color"===t)return new D_(e);if("mat2"===t)return new I_(e);if("mat3"===t)return new V_(e);if("mat4"===t)return new U_(e);throw new Error(`Uniform "${t}" not declared.`)}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${He} - Node System\n`}*[Symbol.iterator](){}}class H_{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderMap:new WeakMap,frameMap:new WeakMap},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Vs.FRAME){const{frameMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.frameId&&!1!==e.updateBefore(this)&&t.set(r,this.frameId)}else if(t===Vs.RENDER){const{renderMap:t}=this._getMaps(this.updateBeforeMap,r);t.get(r)!==this.renderId&&!1!==e.updateBefore(this)&&t.set(r,this.renderId)}else t===Vs.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Vs.FRAME){const{frameMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.frameId&&!1!==e.updateAfter(this)&&t.set(r,this.frameId)}else if(t===Vs.RENDER){const{renderMap:t}=this._getMaps(this.updateAfterMap,r);t.get(r)!==this.renderId&&!1!==e.updateAfter(this)&&t.set(r,this.renderId)}else t===Vs.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Vs.FRAME){const{frameMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.frameId&&!1!==e.update(this)&&t.set(r,this.frameId)}else if(t===Vs.RENDER){const{renderMap:t}=this._getMaps(this.updateMap,r);t.get(r)!==this.renderId&&!1!==e.update(this)&&t.set(r,this.renderId)}else t===Vs.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class $_{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}$_.isNodeFunctionInput=!0;class W_ extends dT{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:_x(this.light),lightColor:e}}}const j_=new a,q_=new a;let X_=null;class K_ extends dT{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=Zn(new r).setGroup(Kn),this.halfWidth=Zn(new r).setGroup(Kn),this.updateType=Vs.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;q_.identity(),j_.copy(t.matrixWorld),j_.premultiply(r),q_.extractRotation(j_),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(q_),this.halfHeight.value.applyMatrix4(q_)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=Zu(X_.LTC_FLOAT_1),r=Zu(X_.LTC_FLOAT_2)):(t=Zu(X_.LTC_HALF_1),r=Zu(X_.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:Tx(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){X_=e}}class Y_ extends dT{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=Zn(0).setGroup(Kn),this.penumbraCosNode=Zn(0).setGroup(Kn),this.cutoffDistanceNode=Zn(0).setGroup(Kn),this.decayExponentNode=Zn(0).setGroup(Kn),this.colorNode=Zn(this.color).setGroup(Kn)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return Uo(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=yx(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(_x(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=cT({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=Zu(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class Q_ extends Y_{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);s=Zu(r,Yi(e,0),0).r}else s=super.getSpotAttenuation(t);return s}}const Z_=ki(([e,t])=>{const r=e.abs().sub(t);return ao(To(r,0)).add(xo(To(r.x,r.y),0))});class J_ extends Y_{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=this.penumbraCosNode,r=this.getLightCoord(e),s=r.xyz.div(r.w),i=Z_(s.xy.sub(Yi(.5)),Yi(.5)),n=da(-1,ua(1,ro(t)).sub(1));return Io(i.mul(-2).mul(n))}}class ev extends dT{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class tv extends dT{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=bx(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=Zn(new e).setGroup(Kn)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=Jl.dot(s).mul(.5).add(.5),n=Lo(r,t,i);e.context.irradiance.addAssign(n)}}class rv extends dT{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=il(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=o_(Jl,this.lightProbe);e.context.irradiance.addAssign(t)}}class sv{parseFunction(){console.warn("Abstract function.")}}class iv{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){console.warn("Abstract function.")}}iv.isNodeFunction=!0;const nv=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,av=/[a-z_0-9]+/gi,ov="#pragma main";class uv extends iv{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(ov),r=-1!==t?e.slice(t+12):e,s=r.match(nv);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=av.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new $_(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class lv extends sv{parseFunction(e){return new uv(e)}}const dv=new WeakMap,cv=[],hv=[];class pv extends cf{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new H_,this.nodeBuilderCache=new Map,this.callHashCache=new af,this.groupsData=new af,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===Yn.name)return!0;if(r===Kn.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===Xn.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}cv[0]=t,cv[1]=e;let s=this.groupsData.get(cv);return void 0===s&&this.groupsData.set(cv,s={}),cv.length=0,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=this.backend.createNodeBuilder(e.object,this.renderer);t.scene=e.scene,t.material=e.material,t.camera=e.camera,t.context.material=e.material,t.lightsNode=e.lightsNode,t.environmentNode=this.getEnvironmentNode(e.scene),t.fogNode=this.getFogNode(e.scene),t.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&t.enableMultiview(),t.build(),r=this._createNodeBuilderState(t),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new p_(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){cv[0]=e,cv[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(cv)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&hv.push(t.getCacheKey(!0)),i&&hv.push(i.getCacheKey()),n&&hv.push(n.getCacheKey()),hv.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),hv.push(this.renderer.shadowMap.enabled?1:0),s.callId=r,s.cacheKey=xs(hv),this.callHashCache.set(cv,s),hv.length=0}return cv.length=0,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===Z||r.mapping===J||r.mapping===he){if(e.backgroundBlurriness>0||r.mapping===he)return wm(r);{let e;return e=!0===r.isCubeTexture?bd(r):Zu(r),Rp(e)}}if(!0===r.isTexture)return Zu(r,wh.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&console.error("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=_d("color","color",r).setGroup(Kn),t=_d("density","float",r).setGroup(Kn);return Yb(e,Kb(t))}if(r.isFog){const e=_d("color","color",r).setGroup(Kn),t=_d("near","float",r).setGroup(Kn),s=_d("far","float",r).setGroup(Kn);return Yb(e,Xb(t,s))}console.error("THREE.Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?bd(r):!0===r.isTexture?Zu(r):void console.error("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}hasOutputChange(e){return dv.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=e.isArrayTexture?ab(e,en(wh,nl("gl_ViewID_OVR"))).renderOutput(t.toneMapping,t.currentColorSpace):Zu(e,wh).renderOutput(t.toneMapping,t.currentColorSpace);return dv.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new H_,this.nodeBuilderCache=new Map,this.cacheLib={}}}const gv=new Me;class mv{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){gv.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=gv.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=gv.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new mv(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class fv{constructor(e,t){this.bundleGroup=e,this.camera=t}}const yv=[];class bv{constructor(){this.bundles=new af}get(e,t){const r=this.bundles;yv[0]=e,yv[1]=t;let s=r.get(yv);return void 0===s&&(s=new fv(e,t),r.set(yv,s)),yv.length=0,s}dispose(){this.bundles=new af}}class xv{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))console.warn(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const Tv=new Ex,_v=[];class vv extends af{constructor(){super()}createNode(e=[]){return(new Ex).setLights(e)}getNode(e,t){if(e.isQuadMesh)return Tv;_v[0]=e,_v[1]=t;let r=this.get(_v);return void 0===r&&(r=this.createNode(),this.set(_v,r)),_v.length=0,r}}class Nv extends ue{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const Sv=new r,Ev=new r;class wv extends o{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new oe,this._cameraL.viewport=new s,this._cameraR=new oe,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new $e,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._supportsLayers=!1,this._frameBufferTargets=null,this._createXRLayer=Pv.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=Rv.bind(this),this._onSessionEnd=Cv.bind(this),this._onInputSourcesChange=Mv.bind(this),this._onAnimationFrame=Bv.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._useLayers="undefined"!=typeof XRWebGLBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&console.warn("THREE.XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new We(e,t),l=new Nv(i,n,{format:de,type:Ce,depthTexture:new U(i,n,o.stencil?Re:T,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?we:Ae),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new se({color:16777215,side:je});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new X(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new se({color:16777215,side:je}),h.plane.material.blending=qe,h.plane.material.blendEquation=Xe,h.plane.material.blendSrc=Ke,h.plane.material.blendDst=Ke,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new Ye(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new Nv(n,a,{format:de,type:Ce,depthTexture:new U(n,a,u.stencil?Re:T,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?we:Ae),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new se({color:16777215,side:S});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new X(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new se({color:16777215,side:S}),p.plane.material.blending=qe,p.plane.material.blendEquation=Xe,p.plane.material.blendSrc=Ke,p.plane.material.blendDst=Ke,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new Qe,i=this._renderer,n=this.isPresenting,a=i.getOutputRenderTarget(),o=i._frameBufferTarget;this.isPresenting=!1;const u=new t;i.getSize(u);const l=i._quad;for(const t of this._layers)if(t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget,t.renderTarget.isXRRenderTarget&&this._supportsLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const r=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,r.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),i.setOutputRenderTarget(t.renderTarget),i.setRenderTarget(null),i._frameBufferTarget=null,this._frameBufferTargets||(this._frameBufferTargets=new WeakMap);const{frameBufferTarget:n,quad:a}=this._frameBufferTargets.get(t.renderTarget)||{frameBufferTarget:null,quad:null};n?(i._frameBufferTarget=n,i._quad=a):(i._quad=new Uy(new lp),this._frameBufferTargets.set(t.renderTarget,{frameBufferTarget:i._getFrameBufferTarget(),quad:i._quad})),t.rendercall(),i._frameBufferTarget=null}else i.setRenderTarget(t.renderTarget),t.rendercall();i.setRenderTarget(null),i.setOutputRenderTarget(a),i._frameBufferTarget=o,i._setXRLayerSize(u.x,u.y),i._quad=l,this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend;this._gl=t.getContext();const s=this._gl,i=s.getContextAttributes();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),!0===this._useLayers){let r=null,n=null,a=null;t.depth&&(a=t.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=t.stencil?we:Ae,n=t.stencil?Re:T);const o={colorFormat:s.RGBA8,depthFormat:a,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0);const u=new XRWebGLBinding(e,s),l=u.createProjectionLayer(o),d=[l];this._glBinding=u,this._glProjLayer=l,t.setPixelRatio(1),t._setXRLayerSize(l.textureWidth,l.textureHeight);const c=this._useMultiview?2:1,h=new U(l.textureWidth,l.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r,c);if(this._xrRenderTarget=new Nv(l.textureWidth,l.textureHeight,{format:de,type:Ce,colorSpace:t.outputColorSpace,depthTexture:h,stencilBuffer:t.stencil,samples:i.antialias?4:0,resolveDepthBuffer:!1===l.ignoreDepthValues,resolveStencilBuffer:!1===l.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._supportsLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._supportsLayers)for(const e of this._layers)e.plane.material=new se({color:16777215,side:"cylinder"===e.type?S:je}),e.plane.material.blending=qe,e.plane.material.blendEquation=Xe,e.plane.material.blendSrc=Ke,e.plane.material.blendDst=Ke,e.xrlayer=this._createXRLayer(e),d.unshift(e.xrlayer);e.updateRenderState({layers:d})}else{const r={antialias:t.samples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,s,r);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new Nv(i.framebufferWidth,i.framebufferHeight,{format:de,type:Ce,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}this.setFoveation(this.getFoveation()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),n.layers.mask=2|e.layers.mask,a.layers.mask=4|e.layers.mask,i.layers.mask=n.layers.mask|a.layers.mask;const o=e.parent,u=i.cameras;Av(i,o);for(let e=0;e<u.length;e++)Av(u[e],o);2===u.length?function(e,t,r){Sv.setFromMatrixPosition(t.matrixWorld),Ev.setFromMatrixPosition(r.matrixWorld);const s=Sv.distanceTo(Ev),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Je*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new Ze,this._controllers[e]=t),t}}function Av(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function Rv(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function Cv(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,t._resetXRState(),this._session=null,this._xrRenderTarget=null,!0===this._supportsLayers)for(const e of this._layers)e.renderTarget=new Nv(e.pixelwidth,e.pixelheight,{format:de,type:Ce,depthTexture:new U(e.pixelwidth,e.pixelheight,e.stencilBuffer?Re:T,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?we:Ae),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function Mv(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function Pv(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function Bv(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(a.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const o=e[i];let u;if(!0===this._useLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,o);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else u=a.getViewport(o);let l=this._cameras[i];void 0===l&&(l=new oe,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(o.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(o.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setOutputRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}const Fv=new K,Lv=new t,Dv=new s,Iv=new rt,Vv=new tt,Uv=new a,Ov=new s;class kv{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:i=!0,depth:n=!0,stencil:a=!1,antialias:o=!1,samples:u=0,getFallback:l=null,colorBufferType:d=ce,multiview:c=!1}=t;this.domElement=e.getDomElement(),this.backend=e,this.samples=u||!0===o?4:0,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.outputColorSpace=W,this.toneMapping=p,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=a,this.info=new _f,this.overrideNodes={modelViewMatrix:null,modelNormalViewMatrix:null},this.library=new xv,this.lighting=new vv,this._getFallback=l,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new Uy(new lp),this._quad.material.name="Renderer_output",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const h=!0===this.alpha?0:1;this._clearColor=new $f(0,0,0,h),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._colorBufferType=d,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,type:et},this.xr=new wv(this,c),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(e,t,this._renderTarget),n=e.overrideMaterial||r.material,a=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:o,vertexShader:u}=a.getNodeBuilderState();return{fragmentShader:o,vertexShader:u}}}}async init(){if(this._initialized)throw new Error("Renderer: Backend has already been initialized.");return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new pv(this,r),this._animation=new nf(this._nodes,this.info),this._attributes=new yf(r),this._background=new d_(this,this._nodes),this._geometries=new Tf(this._attributes,this.info),this._textures=new Hf(this,r,this.info),this._pipelines=new Af(r,this._nodes),this._bindings=new Rf(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new df(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Lf(this.lighting),this._bundles=new bv,this._renderContexts=new Gf,this._animation.start(),this._initialized=!0,e(this)})),this._initPromise}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._compilationPromises,u=!0===e.isScene?e:Fv;null===r&&(r=e);const l=this._renderTarget,d=this._renderContexts.get(r,t,l),c=this._activeMipmapLevel,h=[];this._currentRenderContext=d,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=h,s.renderId++,s.update(),d.depth=this.depth,d.stencil=this.stencil,d.clippingContext||(d.clippingContext=new mv),d.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,l);const p=this._renderLists.get(e,t);if(p.begin(),this._projectObject(e,t,0,p,d.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&p.pushLight(e)}),p.finish(),null!==l){this._textures.updateRenderTarget(l,c);const e=this._textures.get(l);d.textures=e.textures,d.depthTexture=e.depthTexture}else d.textures=null,d.depthTexture=null;this._background.update(u,p,d);const g=p.opaque,m=p.transparent,f=p.transparentDoublePass,y=p.lightsNode;!0===this.opaque&&g.length>0&&this._renderObjects(g,t,u,y),!0===this.transparent&&m.length>0&&this._renderTransparents(m,f,t,u,y),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._compilationPromises=o,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(h)}async renderAsync(e,t){!1===this._initialized&&await this.init(),this._renderScene(e,t)}async waitForGPU(){await this.backend.waitForGPU()}set highPrecision(e){!0===e?(this.overrideNodes.modelViewMatrix=Ll,this.overrideNodes.modelNormalViewMatrix=Dl):this.highPrecision&&(this.overrideNodes.modelViewMatrix=null,this.overrideNodes.modelNormalViewMatrix=null)}get highPrecision(){return this.overrideNodes.modelViewMatrix===Ll&&this.overrideNodes.modelNormalViewMatrix===Dl}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getColorBufferType(){return this._colorBufferType}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),console.error(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i),u=this.backend.get(o);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(a)||l;if(u.renderContexts.add(a),d){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)return console.warn("THREE.Renderer: .render() called before the backend is initialized. Try using .renderAsync() instead."),this.renderAsync(e,t);this._renderScene(e,t)}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this;if(!1===(e!==p)&&!1===(t!==le))return null;const{width:r,height:s}=this.getDrawingBufferSize(Lv),{depth:i,stencil:n}=this;let a=this._frameBufferTarget;null===a&&(a=new ue(r,s,{depthBuffer:i,stencilBuffer:n,type:this._colorBufferType,format:de,colorSpace:le,generateMipmaps:!1,minFilter:Y,magFilter:Y,samples:this.samples}),a.isPostProcessingRenderTarget=!0,this._frameBufferTarget=a);const o=this.getOutputRenderTarget();return a.depthBuffer=i,a.stencilBuffer=n,null!==o?a.setSize(o.width,o.height,o.depth):a.setSize(r,s,1),a.viewport.copy(this._viewport),a.scissor.copy(this._scissor),a.viewport.multiplyScalar(this._pixelRatio),a.scissor.multiplyScalar(this._pixelRatio),a.scissorTest=this._scissorTest,a.multiview=null!==o&&o.multiview,a.resolveDepthBuffer=null===o||o.resolveDepthBuffer,a._autoAllocateDepthBuffer=null!==o&&o._autoAllocateDepthBuffer,a}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=!0===e.isScene?e:Fv,l=this._renderTarget||this._outputRenderTarget,d=this._activeCubeFace,c=this._activeMipmapLevel;let h;null!==s?(h=s,this.setRenderTarget(h)):h=l;const p=this._renderContexts.get(e,t,h);this._currentRenderContext=p,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls;const g=this.coordinateSystem,m=this.xr;if(t.coordinateSystem!==g&&!1===m.isPresenting&&(t.coordinateSystem=g,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=g,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());let f=this._viewport,y=this._scissor,b=this._pixelRatio;null!==h&&(f=h.viewport,y=h.scissor,b=1),this.getDrawingBufferSize(Lv),Dv.set(0,0,Lv.width,Lv.height);const x=void 0===f.minDepth?0:f.minDepth,T=void 0===f.maxDepth?1:f.maxDepth;p.viewportValue.copy(f).multiplyScalar(b).floor(),p.viewportValue.width>>=c,p.viewportValue.height>>=c,p.viewportValue.minDepth=x,p.viewportValue.maxDepth=T,p.viewport=!1===p.viewportValue.equals(Dv),p.scissorValue.copy(y).multiplyScalar(b).floor(),p.scissor=this._scissorTest&&!1===p.scissorValue.equals(Dv),p.scissorValue.width>>=c,p.scissorValue.height>>=c,p.clippingContext||(p.clippingContext=new mv),p.clippingContext.updateGlobal(u,t),u.onBeforeRender(this,e,t,h);const _=t.isArrayCamera?Vv:Iv;t.isArrayCamera||(Uv.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),_.setFromProjectionMatrix(Uv,g));const v=this._renderLists.get(e,t);if(v.begin(),this._projectObject(e,t,0,v,p.clippingContext),v.finish(),!0===this.sortObjects&&v.sort(this._opaqueSort,this._transparentSort),null!==h){this._textures.updateRenderTarget(h,c);const e=this._textures.get(h);p.textures=e.textures,p.depthTexture=e.depthTexture,p.width=e.width,p.height=e.height,p.renderTarget=h,p.depth=h.depthBuffer,p.stencil=h.stencilBuffer}else p.textures=null,p.depthTexture=null,p.width=this.domElement.width,p.height=this.domElement.height,p.depth=this.depth,p.stencil=this.stencil;p.width>>=c,p.height>>=c,p.activeCubeFace=d,p.activeMipmapLevel=c,p.occlusionQueryCount=v.occlusionQueryCount,this._background.update(u,v,p),p.camera=t,this.backend.beginRender(p);const{bundles:N,lightsNode:S,transparentDoublePass:E,transparent:w,opaque:A}=v;return N.length>0&&this._renderBundles(N,u,S),!0===this.opaque&&A.length>0&&this._renderObjects(A,t,u,S),!0===this.transparent&&w.length>0&&this._renderTransparents(w,E,t,u,S),this.backend.finishRender(p),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,null!==s&&(this.setRenderTarget(l,d,c),this._renderOutput(h)),u.onAfterRender(this,e,t,h),p}_setXRLayerSize(e,t){this._width=e,this._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._quad;this._nodes.hasOutputChange(e.texture)&&(t.material.fragmentNode=this._nodes.getOutputNode(e.texture),t.material.needsUpdate=!0);const r=this.autoClear,s=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderScene(t,t.camera,!1),this.autoClear=r,this.xr.enabled=s}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._initialized&&this.backend.updateSize())}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e,this.backend.setScissorTest(e)}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)return console.warn("THREE.Renderer: .clear() called before the backend is initialized. Try using .clearAsync() instead."),this.clearAsync(e,t,r);const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.getForClear(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer,i.clearColorValue=this.backend.getClearColor(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel()}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){return this.clear(!0,!1,!1)}clearDepth(){return this.clear(!1,!0,!1)}clearStencil(){return this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){!1===this._initialized&&await this.init(),this.clear(e,t,r)}async clearColorAsync(){this.clearAsync(!0,!1,!1)}async clearDepthAsync(){this.clearAsync(!1,!0,!1)}async clearStencilAsync(){this.clearAsync(!1,!1,!0)}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:p}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:le}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),null!==this._frameBufferTarget&&this._frameBufferTarget.dispose(),Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()}),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null),this._frameBufferTarget.dispose(),this._frameBufferTarget=null}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return console.warn("THREE.Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e);const t=this._nodes.nodeFrame,r=t.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,t.renderId=this.info.calls;const s=this.backend,i=this._pipelines,n=this._bindings,a=this._nodes,o=Array.isArray(e)?e:[e];if(void 0===o[0]||!0!==o[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");s.beginCompute(e);for(const t of o){if(!1===i.has(t)){const e=()=>{t.removeEventListener("dispose",e),i.delete(t),n.delete(t),a.delete(t)};t.addEventListener("dispose",e);const r=t.onInitFunction;null!==r&&r.call(t,{renderer:this})}a.updateForCompute(t),n.updateForCompute(t);const r=n.getForCompute(t),o=i.getForCompute(t,r);s.compute(e,t,r,o)}s.finishCompute(e),t.renderId=r}async computeAsync(e){!1===this._initialized&&await this.init(),this.compute(e)}async hasFeatureAsync(e){return!1===this._initialized&&await this.init(),this.backend.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){return!1===this._initialized?(console.warn("THREE.Renderer: .hasFeature() called before the backend is initialized. Try using .hasFeatureAsync() instead."),!1):this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){!1===this._initialized&&await this.init(),this._textures.updateTexture(e)}initTexture(e){!1===this._initialized&&console.warn("THREE.Renderer: .initTexture() called before the backend is initialized. Try using .initTextureAsync() instead."),this._textures.updateTexture(e)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=Ov.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void console.error("THREE.Renderer.copyFramebufferToTexture: Invalid rectangle.");t=Ov.copy(t).floor()}else t=Ov.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?Vv:Iv;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&Ov.setFromMatrixPosition(e.matrixWorld).applyMatrix4(Uv);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,Ov.z,null,i)}}else if(e.isLineLoop)console.error("THREE.Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?Vv:Iv;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),Ov.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(Uv)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,Ov.z,u,i)}}else n.visible&&s.push(e,t,n,r,Ov.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=S;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=je;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=E}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){const e=t.overrideMaterial;i.positionNode&&i.positionNode.isNode&&(l=e.positionNode,e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0,e.isShadowPassMaterial&&(e.side=null===i.shadowSide?i.side:i.shadowSide,i.depthNode&&i.depthNode.isNode&&(c=e.depthNode,e.depthNode=i.depthNode),i.castShadowNode&&i.castShadowNode.isNode&&(d=e.colorNode,e.colorNode=i.castShadowNode),i.castShadowPositionNode&&i.castShadowPositionNode.isNode&&(l=e.positionNode,e.positionNode=i.castShadowPositionNode)),i=e}!0===i.transparent&&i.side===E&&!1===i.forceSinglePass?(i.side=S,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=je,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=E):this._handleObjectFunction(e,i,t,r,a,n,o,u),void 0!==l&&(t.overrideMaterial.positionNode=l),void 0!==c&&(t.overrideMaterial.depthNode=c),void 0!==d&&(t.overrideMaterial.colorNode=d),e.onAfterRender(this,t,r,s,i,n)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n;const l=this._nodes.needsRefresh(u);if(l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}get compile(){return this.compileAsync}}class Gv{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}clone(){return Object.assign(new this.constructor,this)}}class zv extends Gv{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t}get byteLength(){return(e=this._buffer.byteLength)+(ff-e%ff)%ff;var e}get buffer(){return this._buffer}update(){return!0}}class Hv extends zv{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let $v=0;class Wv extends Hv{constructor(e,t){super("UniformBuffer_"+$v++,e?e.value:null),this.nodeUniform=e,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class jv extends Hv{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[]}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%ff,o=a%i,u=a+o;t+=o,0!==u&&ff-u<n&&(t+=ff-u),s.offset=t/e,t+=n}return Math.ceil(t/ff)*ff}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void console.error("THREE.WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,t=!0}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,t=!0}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const e=this._getBufferForType(n);e[i+0]=r[i+0]=s.x,e[i+1]=r[i+1]=s.y,e[i+2]=r[i+2]=s.z,e[i+3]=r[i+3]=s.w,t=!0}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const e=this.buffer;e[i+0]=r[i+0]=s.r,e[i+1]=r[i+1]=s.g,e[i+2]=r[i+2]=s.b,t=!0}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const e=this.buffer;e[i+0]=r[i+0]=s[0],e[i+1]=r[i+1]=s[1],e[i+2]=r[i+2]=s[2],e[i+4]=r[i+4]=s[3],e[i+5]=r[i+5]=s[4],e[i+6]=r[i+6]=s[5],e[i+8]=r[i+8]=s[6],e[i+9]=r[i+9]=s[7],e[i+10]=r[i+10]=s[8],t=!0}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let qv=0;class Xv extends jv{constructor(e,t){super(e),this.id=qv++,this.groupNode=t,this.isNodeUniformsGroup=!0}}let Kv=0;class Yv extends Gv{constructor(e,t){super(e),this.id=Kv++,this.texture=t,this.version=t?t.version:0,this.store=!1,this.generation=null,this.isSampledTexture=!0}needsBindingsUpdate(e){const{texture:t}=this;return e!==this.generation?(this.generation=e,!0):t.isVideoTexture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}}class Qv extends Yv{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}needsBindingsUpdate(e){return this.textureNode.value!==this.texture||super.needsBindingsUpdate(e)}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Zv extends Qv{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class Jv extends Qv{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const eN={textureDimensions:"textureSize",equals:"equal"},tN={low:"lowp",medium:"mediump",high:"highp"},rN={swizzleAssign:!0,storageBuffer:!1},sN={perspective:"smooth",linear:"noperspective"},iN={centroid:"centroid"},nN="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision lowp sampler2DShadow;\nprecision lowp sampler2DArrayShadow;\nprecision lowp samplerCubeShadow;\n";class aN extends z_{constructor(e,t){super(e,t,new lv),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==b}getMethod(e){return eN[e]||e}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?it:nt;2===s?n=i?lt:Ve:3===s?n=i?dt:ct:4===s&&(n=i?ht:de);const a={Float32Array:D,Uint8Array:Ce,Uint16Array:ut,Uint32Array:T,Int8Array:ot,Int16Array:at,Int32Array:_,Uint8ClampedArray:Ce},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new st(t.array,o,u,n,a[t.array.constructor.name]||D);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Yu(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.label)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?t.charAt(0)+"_"+e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.label),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+Hs.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,null,"0");let g="vec4";s.pbo.type===T?g="uvec4":s.pbo.type===_&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i="0"){return s?`texelFetch( ${t}, ivec3( ${r}, ${s} ), ${i} )`:`texelFetch( ${t}, ${r}, ${i} )`}generateTexture(e,t,r,s){return e.isDepthTexture?(s&&(r=`vec4( ${r}, ${s} )`),`texture( ${t}, ${r} ).x`):(s&&(r=`vec3( ${r}, ${s} )`),`texture( ${t}, ${r} )`)}generateTextureLevel(e,t,r,s){return`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s){return`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s){return`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return i?`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const i of t){let t=null,n=!1;if("texture"===i.type||"texture3D"===i.type){const e=i.node.value;let r="";!0!==e.isDataTexture&&!0!==e.isData3DTexture||(e.type===T?r="u":e.type===_&&(r="i")),t="texture3D"===i.type&&!1===e.isArrayTexture?`${r}sampler3D ${i.name};`:e.compareFunction?!0===e.isArrayTexture?`sampler2DArrayShadow ${i.name};`:`sampler2DShadow ${i.name};`:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?`${r}sampler2DArray ${i.name};`:`${r}sampler2D ${i.name};`}else if("cubeTexture"===i.type)t=`samplerCube ${i.name};`;else if("buffer"===i.type){const e=i.node,r=this.getType(e.bufferType),s=e.bufferCount,n=s>0?s:"";t=`${e.name} {\n\t${r} ${i.name}[${n}];\n};\n`}else{t=`${this.getVectorType(i.type)} ${this.getPropertyName(i,e)};`,n=!0}const a=i.node.precision;if(null!==a&&(t=tN[a]+" "+t),n){t="\t"+t;const e=i.groupNode.name;(s[e]||(s[e]=[])).push(t)}else t="uniform "+t,r.push(t)}let i="";for(const t in s){const r=s[t];i+=this._getGLSLUniformStruct(e+"_"+t,r.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==_){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return 0===s.length&&s.push("layout( location = 0 ) out vec4 fragColor;"),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${sN[s.interpolationType]||s.interpolationType} ${iN[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${sN[e.interpolationType]||e.interpolationType} ${iN[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=rN[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}rN[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${nN}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${nN}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\n// structs\n${e.structs}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new Qv(i.name,i.node,s),u.push(a);else if("cubeTexture"===t)a=new Zv(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new Jv(i.name,i.node,s),u.push(a);else if("buffer"===t){e.name=`NodeBuffer_${e.id}`,i.name=`buffer${e.id}`;const t=new Wv(e,s);t.name=e.name,u.push(t),a=t}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let n=e[o];void 0===n&&(n=new Xv(r+"_"+o,s),e[o]=n,u.push(n)),a=this.getNodeUniform(i,t),n.addUniform(a)}n.uniformGPU=a}return i}}let oN=null,uN=null;class lN{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={render:null,compute:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}createSampler(){}destroySampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void pt("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return void pt(`WebGPURenderer: No timestamp query pool for type '${e}' found.`);const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async waitForGPU(){}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return oN=oN||new t,this.renderer.getDrawingBufferSize(oN)}setScissorTest(){}getClearColor(){const e=this.renderer;return uN=uN||new $f,e.getClearColor(uN),uN.getRGB(uN),uN}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:gt(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${He} webgpu`),this.domElement=e),e}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}dispose(){}}let dN,cN,hN=0;class pN{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class gN{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===_,id:hN++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new pN(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,a=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const o=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.bufferData(r.COPY_WRITE_BUFFER,a,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,a),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(o),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class mN{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;dN={[Xe]:e.FUNC_ADD,[ft]:e.FUNC_SUBTRACT,[mt]:e.FUNC_REVERSE_SUBTRACT},cN={[Ke]:e.ZERO,[wt]:e.ONE,[Et]:e.SRC_COLOR,[St]:e.SRC_ALPHA,[Nt]:e.SRC_ALPHA_SATURATE,[vt]:e.DST_COLOR,[_t]:e.DST_ALPHA,[Tt]:e.ONE_MINUS_SRC_COLOR,[xt]:e.ONE_MINUS_SRC_ALPHA,[bt]:e.ONE_MINUS_DST_COLOR,[yt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==At?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===Rt?t.cullFace(t.BACK):e===Ct?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setBlending(e,t,r,s,i,n,a,o){const{gl:u}=this;if(e!==H){if(!1===this.currentBlendingEnabled&&(this.enable(u.BLEND),this.currentBlendingEnabled=!0),e===qe)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(u.blendEquationSeparate(dN[t],dN[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(u.blendFuncSeparate(cN[r],cN[s],cN[n],cN[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||o!==this.currentPremultipledAlpha){if(this.currentBlendEquation===Xe&&this.currentBlendEquationAlpha===Xe||(u.blendEquation(u.FUNC_ADD),this.currentBlendEquation=Xe,this.currentBlendEquationAlpha=Xe),o)switch(e){case k:u.blendFuncSeparate(u.ONE,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Bt:u.blendFunc(u.ONE,u.ONE);break;case Pt:u.blendFuncSeparate(u.ZERO,u.ONE_MINUS_SRC_COLOR,u.ZERO,u.ONE);break;case Mt:u.blendFuncSeparate(u.DST_COLOR,u.ONE_MINUS_SRC_ALPHA,u.ZERO,u.ONE);break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}else switch(e){case k:u.blendFuncSeparate(u.SRC_ALPHA,u.ONE_MINUS_SRC_ALPHA,u.ONE,u.ONE_MINUS_SRC_ALPHA);break;case Bt:u.blendFuncSeparate(u.SRC_ALPHA,u.ONE,u.ONE,u.ONE);break;case Pt:console.error("THREE.WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case Mt:console.error("THREE.WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:console.error("THREE.WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=o}}else!0===this.currentBlendingEnabled&&(this.disable(u.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case kt:t.depthFunc(t.NEVER);break;case Ot:t.depthFunc(t.ALWAYS);break;case Ut:t.depthFunc(t.LESS);break;case Vt:t.depthFunc(t.LEQUAL);break;case It:t.depthFunc(t.EQUAL);break;case Dt:t.depthFunc(t.GEQUAL);break;case Lt:t.depthFunc(t.GREATER);break;case Ft:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?t.enable(t.SCISSOR_TEST):t.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===E?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===S;t&&(i=!i),this.setFlipSided(i),e.blending===k&&!1===e.transparent?this.setBlending(H):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.samples>1?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class fN{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=b){const{gl:r,extensions:s}=this;let i;const n=c.getTransfer(t);if(e===Ce)return r.UNSIGNED_BYTE;if(e===Gt)return r.UNSIGNED_SHORT_4_4_4_4;if(e===zt)return r.UNSIGNED_SHORT_5_5_5_1;if(e===Ht)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===ot)return r.BYTE;if(e===at)return r.SHORT;if(e===ut)return r.UNSIGNED_SHORT;if(e===_)return r.INT;if(e===T)return r.UNSIGNED_INT;if(e===D)return r.FLOAT;if(e===ce)return r.HALF_FLOAT;if(e===$t)return r.ALPHA;if(e===ct)return r.RGB;if(e===de)return r.RGBA;if(e===Ae)return r.DEPTH_COMPONENT;if(e===we)return r.DEPTH_STENCIL;if(e===nt)return r.RED;if(e===it)return r.RED_INTEGER;if(e===Ve)return r.RG;if(e===lt)return r.RG_INTEGER;if(e===ht)return r.RGBA_INTEGER;if(e===Wt||e===jt||e===qt||e===Xt)if(n===h){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===Wt)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===jt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===qt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===Xt)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===Wt)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===jt)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===qt)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===Xt)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===Kt||e===Yt||e===Qt||e===Zt){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===Kt)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===Yt)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===Qt)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===Zt)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===Jt||e===er||e===tr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===Jt||e===er)return n===h?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===tr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC}if(e===rr||e===sr||e===ir||e===nr||e===ar||e===or||e===ur||e===lr||e===dr||e===cr||e===hr||e===pr||e===gr||e===mr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===rr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===sr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===ir)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===nr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===ar)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===or)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===ur)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===lr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===dr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===cr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===hr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===pr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===gr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===mr)return n===h?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===fr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===fr)return n===h?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===yr||e===br||e===xr||e===Tr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===fr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===br)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===xr)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===Tr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Re?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let yN,bN,xN,TN=!1;class _N{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},!1===TN&&(this._init(),TN=!0)}_init(){const e=this.gl;yN={[Nr]:e.REPEAT,[vr]:e.CLAMP_TO_EDGE,[_r]:e.MIRRORED_REPEAT},bN={[v]:e.NEAREST,[Sr]:e.NEAREST_MIPMAP_NEAREST,[Ge]:e.NEAREST_MIPMAP_LINEAR,[Y]:e.LINEAR,[ke]:e.LINEAR_MIPMAP_NEAREST,[V]:e.LINEAR_MIPMAP_LINEAR},xN={[Pr]:e.NEVER,[Mr]:e.ALWAYS,[Ie]:e.LESS,[Cr]:e.LEQUAL,[Rr]:e.EQUAL,[Ar]:e.GEQUAL,[wr]:e.GREATER,[Er]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:a}=this;if(null!==e){if(void 0!==n[e])return n[e];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+e+"'")}let o=t;if(t===n.RED&&(r===n.FLOAT&&(o=n.R32F),r===n.HALF_FLOAT&&(o=n.R16F),r===n.UNSIGNED_BYTE&&(o=n.R8),r===n.UNSIGNED_SHORT&&(o=n.R16),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.R8UI),r===n.UNSIGNED_SHORT&&(o=n.R16UI),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RG&&(r===n.FLOAT&&(o=n.RG32F),r===n.HALF_FLOAT&&(o=n.RG16F),r===n.UNSIGNED_BYTE&&(o=n.RG8),r===n.UNSIGNED_SHORT&&(o=n.RG16),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RG8UI),r===n.UNSIGNED_SHORT&&(o=n.RG16UI),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RGB){const e=i?Br:c.getTransfer(s);r===n.FLOAT&&(o=n.RGB32F),r===n.HALF_FLOAT&&(o=n.RGB16F),r===n.UNSIGNED_BYTE&&(o=n.RGB8),r===n.UNSIGNED_SHORT&&(o=n.RGB16),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I),r===n.UNSIGNED_BYTE&&(o=e===h?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(o=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(o=n.RGB9_E5)}if(t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGB8UI),r===n.UNSIGNED_SHORT&&(o=n.RGB16UI),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I)),t===n.RGBA){const e=i?Br:c.getTransfer(s);r===n.FLOAT&&(o=n.RGBA32F),r===n.HALF_FLOAT&&(o=n.RGBA16F),r===n.UNSIGNED_BYTE&&(o=n.RGBA8),r===n.UNSIGNED_SHORT&&(o=n.RGBA16),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I),r===n.UNSIGNED_BYTE&&(o=e===h?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1)}return t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(o=n.RGBA16UI),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_SHORT&&(o=n.DEPTH_COMPONENT16),r===n.UNSIGNED_INT&&(o=n.DEPTH_COMPONENT24),r===n.FLOAT&&(o=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(o=n.DEPTH24_STENCIL8),o!==n.R16F&&o!==n.R32F&&o!==n.RG16F&&o!==n.RG32F&&o!==n.RGBA16F&&o!==n.RGBA32F||a.get("EXT_color_buffer_float"),o}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,n=c.getPrimaries(c.workingColorSpace),a=t.colorSpace===b?null:c.getPrimaries(t.colorSpace),o=t.colorSpace===b||n===a?r.NONE:r.BROWSER_DEFAULT_WEBGL;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,o),r.texParameteri(e,r.TEXTURE_WRAP_S,yN[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,yN[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,yN[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,bN[t.magFilter]);const u=void 0!==t.mipmaps&&t.mipmaps.length>0,l=t.minFilter===Y&&u?V:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,bN[l]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,xN[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===v)return;if(t.minFilter!==Ge&&t.minFilter!==V)return;if(t.type===D&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i,isDefault:!0})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:a,glType:o}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,a,o,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):console.warn("Unsupported compressed texture format")}}else if(e.isCubeTexture){const e=t.images;for(let t=0;t<6;t++){const n=vN(e[t]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,s,i,o,u,n)}}else if(e.isDataArrayTexture||e.isArrayTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else{const e=vN(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e){const{gl:t,backend:r}=this,{textureGPU:s,renderTarget:i}=r.get(e);this.deallocateRenderBuffers(i),t.deleteTexture(s),r.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=a.getParameter(a.UNPACK_ROW_LENGTH),S=a.getParameter(a.UNPACK_IMAGE_HEIGHT),E=a.getParameter(a.UNPACK_SKIP_PIXELS),w=a.getParameter(a.UNPACK_SKIP_ROWS),A=a.getParameter(a.UNPACK_SKIP_IMAGES);a.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),a.pixelStorei(a.UNPACK_SKIP_PIXELS,f),a.pixelStorei(a.UNPACK_SKIP_ROWS,y),a.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const R=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isRenderTargetTexture||e.isDepthTexture){const r=o.get(e),s=o.get(t),i=o.get(r.renderTarget),n=o.get(s.renderTarget),l=i.framebuffers[r.cacheKey],d=n.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,l),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,d);let c=a.COLOR_BUFFER_BIT;e.isDepthTexture&&(c=a.DEPTH_BUFFER_BIT),a.blitFramebuffer(f,y,p,g,x,T,p,g,c,a.NEAREST),u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else R?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(d,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(d,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(d,n,x,T,p,g,h,c,v);a.pixelStorei(a.UNPACK_ROW_LENGTH,N),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),a.pixelStorei(a.UNPACK_SKIP_PIXELS,E),a.pixelStorei(a.UNPACK_SKIP_ROWS,w),a.pixelStorei(a.UNPACK_SKIP_IMAGES,A),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();o.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}}function vN(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class NN{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class SN{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const EN={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBKIT_WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-bc",EXT_texture_compression_bptc:"texture-compression-bptc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class wN{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:a,info:o}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];o.update(a,i,1)}}}class AN{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.pendingResolve=!1}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class RN extends AN{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return console.warn("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return pt(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e.id,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){console.error("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e.id);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){console.error("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=[];for(const[t,r]of this.queryStates)if("ended"===r){const r=this.queries[t];e.push(this.resolveQuery(r))}if(0===e.length)return this.lastValue;const t=(await Promise.all(e)).reduce((e,t)=>e+t,0);return this.lastValue=t,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,t}catch(e){return console.error("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){console.error("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}const CN=new t;class MN extends lN{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.samples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new NN(this),this.capabilities=new SN(this),this.attributeUtils=new gN(this),this.textureUtils=new _N(this),this.bufferRenderer=new wN(this),this.state=new mN(this),this.utils=new fN(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile")}get coordinateSystem(){return l}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async waitForGPU(){await this.utils._clientWaitAsync()}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&console.warn("THREE.WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t]||(this.timestampQueryPool[t]=new RN(this.gl,t,2048));const r=this.timestampQueryPool[t];null!==r.allocateQueriesForContext(e)&&r.beginQuery(e)}prepareTimestampBuffer(e){if(!this.disjoint||!this.trackTimestamp)return;const t=e.isComputeNode?"compute":"render";this.timestampQueryPool[t].endQuery(e)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize(CN);t.viewport(0,0,e,r)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}this.initTimestampQuery(e),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}this._currentContext=i;const o=e.renderTarget;if(null!==e.textures&&o){const s=this.get(o);if(o.samples>0&&!1===this._useMultisampledExtension(o)){const i=s.framebuffers[e.getCacheKey()];let n=t.COLOR_BUFFER_BIT;o.resolveDepthBuffer&&(o.depthBuffer&&(n|=t.DEPTH_BUFFER_BIT),o.stencilBuffer&&o.resolveStencilBuffer&&(n|=t.STENCIL_BUFFER_BIT));const a=s.msaaFrameBuffer,u=s.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,a),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,i),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:a}=e.scissorValue,o=e.height-a-s;t.blitFramebuffer(r,o,r+i,o+a,r,o,r+i,o+a,n,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,n,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,s.invalidationArray)}else if(!1===o.resolveDepthBuffer&&s.framebuffers){const i=s.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,i),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,s.depthInvalidationArray)}}if(null!==i)if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize(CN);r.viewport(0,0,e,t)}this.prepareTimestampBuffer(e)}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0){const{gl:n,renderer:a}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let o=0;if(e&&(o|=n.COLOR_BUFFER_BIT),t&&(o|=n.DEPTH_BUFFER_BIT),r&&(o|=n.STENCIL_BUFFER_BIT),0!==o){let u;u=s.clearColorValue?s.clearColorValue:this.getClearColor();const l=a.getClearDepth(),d=a.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)n.clearColor(u.r,u.g,u.b,u.a),n.clear(o);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?n.clearBufferfv(n.COLOR,e,[u.r,u.g,u.b,u.a]):n.clearBufferfv(n.COLOR,e,[0,0,0,1]);t&&r?n.clearBufferfi(n.DEPTH_STENCIL,0,l,d):t?n.clearBufferfv(n.DEPTH,0,[l]):r&&n.clearBufferiv(n.STENCIL,0,[d])}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(e)}compute(e,t,r,s){const{state:i,gl:n}=this;!1===this.discard&&(n.enable(n.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:a,transformBuffers:o,attributes:u}=this.get(s),l=this._getVaoKey(u),d=this.vaoCache[l];void 0===d?this.vaoCache[l]=this._createVao(u):i.setVertexState(d),i.useProgram(a),this._bindUniforms(r);const c=this._getTransformFeedback(o);n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,c),n.beginTransformFeedback(n.POINTS),u[0].isStorageInstancedBufferAttribute?n.drawArraysInstanced(n.POINTS,0,1,t.count):n.drawArrays(n.POINTS,0,t.count),n.endTransformFeedback(),n.bindTransformFeedback(n.TRANSFORM_FEEDBACK,null);for(let e=0;e<o.length;e++){const t=o[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const t=this.gl;this.discard=!1,t.disable(t.RASTERIZER_DISCARD),this.prepareTimestampBuffer(e),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;const v=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?(pt("THREE.WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),b.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?b.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):pt("THREE.WebGLRenderer: WEBGL_multi_draw not supported."):T>1?b.renderInstances(_,x,T):b.render(_,x)};if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),a=this.renderer.getPixelRatio(),l=this._currentContext.renderTarget,d=this._isRenderCameraDepthArray(this._currentContext),c=this._currentContext.activeCubeFace;if(d){const e=this.get(l.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=l;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1);this.renderer._activeCubeFace=c,this._currentContext.activeCubeFace=c}}for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){d&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const t=l.viewport;if(void 0!==t){const r=t.x*a,s=t.y*a,i=t.width*a,n=t.height*a;u.viewport(Math.floor(r),Math.floor(e.context.height-n-s),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),v()}this._currentContext.activeCubeFace=c,this.renderer._activeCubeFace=c}}else v()}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}createSampler(){}destroySampler(){}createNodeBuilder(e,t){return new aN(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=e.getShaderInfoLog(t).trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=s.getProgramInfoLog(e).trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");console.error("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&console.warn("THREE.WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings)if(r.isUniformsGroup||r.isUniformBuffer){const e=r.buffer,i=t.createBuffer();t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,e,t.DYNAMIC_DRAW),this.set(r,{index:s++,bufferGPU:i})}else if(r.isSampledTexture){const{textureGPU:e,glTextureType:t}=this.get(r.texture);this.set(r,{index:i++,textureGPU:e,glTextureType:t})}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer;t.bindBuffer(t.UNIFORM_BUFFER,r),t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW)}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(EN).filter(t=>EN[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isWebGLCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Vf(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,0)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,0,e)}else b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0)}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const PN="point-list",BN="line-list",FN="line-strip",LN="triangle-list",DN="triangle-strip",IN="never",VN="less",UN="equal",ON="less-equal",kN="greater",GN="not-equal",zN="greater-equal",HN="always",$N="store",WN="load",jN="clear",qN="ccw",XN="none",KN="front",YN="back",QN="uint16",ZN="uint32",JN="r8unorm",eS="r8snorm",tS="r8uint",rS="r8sint",sS="r16uint",iS="r16sint",nS="r16float",aS="rg8unorm",oS="rg8snorm",uS="rg8uint",lS="rg8sint",dS="r32uint",cS="r32sint",hS="r32float",pS="rg16uint",gS="rg16sint",mS="rg16float",fS="rgba8unorm",yS="rgba8unorm-srgb",bS="rgba8snorm",xS="rgba8uint",TS="rgba8sint",_S="bgra8unorm",vS="bgra8unorm-srgb",NS="rgb9e5ufloat",SS="rgb10a2unorm",ES="rgb10a2unorm",wS="rg32uint",AS="rg32sint",RS="rg32float",CS="rgba16uint",MS="rgba16sint",PS="rgba16float",BS="rgba32uint",FS="rgba32sint",LS="rgba32float",DS="depth16unorm",IS="depth24plus",VS="depth24plus-stencil8",US="depth32float",OS="depth32float-stencil8",kS="bc1-rgba-unorm",GS="bc1-rgba-unorm-srgb",zS="bc2-rgba-unorm",HS="bc2-rgba-unorm-srgb",$S="bc3-rgba-unorm",WS="bc3-rgba-unorm-srgb",jS="bc4-r-unorm",qS="bc4-r-snorm",XS="bc5-rg-unorm",KS="bc5-rg-snorm",YS="bc6h-rgb-ufloat",QS="bc6h-rgb-float",ZS="bc7-rgba-unorm",JS="bc7-rgba-srgb",eE="etc2-rgb8unorm",tE="etc2-rgb8unorm-srgb",rE="etc2-rgb8a1unorm",sE="etc2-rgb8a1unorm-srgb",iE="etc2-rgba8unorm",nE="etc2-rgba8unorm-srgb",aE="eac-r11unorm",oE="eac-r11snorm",uE="eac-rg11unorm",lE="eac-rg11snorm",dE="astc-4x4-unorm",cE="astc-4x4-unorm-srgb",hE="astc-5x4-unorm",pE="astc-5x4-unorm-srgb",gE="astc-5x5-unorm",mE="astc-5x5-unorm-srgb",fE="astc-6x5-unorm",yE="astc-6x5-unorm-srgb",bE="astc-6x6-unorm",xE="astc-6x6-unorm-srgb",TE="astc-8x5-unorm",_E="astc-8x5-unorm-srgb",vE="astc-8x6-unorm",NE="astc-8x6-unorm-srgb",SE="astc-8x8-unorm",EE="astc-8x8-unorm-srgb",wE="astc-10x5-unorm",AE="astc-10x5-unorm-srgb",RE="astc-10x6-unorm",CE="astc-10x6-unorm-srgb",ME="astc-10x8-unorm",PE="astc-10x8-unorm-srgb",BE="astc-10x10-unorm",FE="astc-10x10-unorm-srgb",LE="astc-12x10-unorm",DE="astc-12x10-unorm-srgb",IE="astc-12x12-unorm",VE="astc-12x12-unorm-srgb",UE="clamp-to-edge",OE="repeat",kE="mirror-repeat",GE="linear",zE="nearest",HE="zero",$E="one",WE="src",jE="one-minus-src",qE="src-alpha",XE="one-minus-src-alpha",KE="dst",YE="one-minus-dst",QE="dst-alpha",ZE="one-minus-dst-alpha",JE="src-alpha-saturated",ew="constant",tw="one-minus-constant",rw="add",sw="subtract",iw="reverse-subtract",nw="min",aw="max",ow=0,uw=15,lw="keep",dw="zero",cw="replace",hw="invert",pw="increment-clamp",gw="decrement-clamp",mw="increment-wrap",fw="decrement-wrap",yw="storage",bw="read-only-storage",xw="write-only",Tw="read-only",_w="read-write",vw="non-filtering",Nw="comparison",Sw="float",Ew="unfilterable-float",ww="depth",Aw="sint",Rw="uint",Cw="2d",Mw="3d",Pw="2d",Bw="2d-array",Fw="cube",Lw="3d",Dw="all",Iw="vertex",Vw="instance",Uw={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"};class Ow extends Gv{constructor(e,t){super(e),this.texture=t,this.version=t?t.version:0,this.isSampler=!0}}class kw extends Ow{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){this.texture=this.textureNode.value}}class Gw extends zv{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}let zw=0;class Hw extends Gw{constructor(e,t){super("StorageBuffer_"+zw++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:Os.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class $w extends cf{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:GE}),this.flipYSampler=e.createSampler({minFilter:zE}),this.transferPipelines={},this.flipYPipelines={},this.mipmapVertexShaderModule=e.createShaderModule({label:"mipmapVertex",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4<f32>,\n\t@location( 0 ) vTex : vec2<f32>\n};\n\n@vertex\nfn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( -1.0,  1.0 ),\n\t\tvec2<f32>(  1.0,  1.0 ),\n\t\tvec2<f32>( -1.0, -1.0 ),\n\t\tvec2<f32>(  1.0, -1.0 )\n\t);\n\n\tvar tex = array< vec2<f32>, 4 >(\n\t\tvec2<f32>( 0.0, 0.0 ),\n\t\tvec2<f32>( 1.0, 0.0 ),\n\t\tvec2<f32>( 0.0, 1.0 ),\n\t\tvec2<f32>( 1.0, 1.0 )\n\t);\n\n\tVarys.vTex = tex[ vertexIndex ];\n\tVarys.Position = vec4<f32>( pos[ vertexIndex ], 0.0, 1.0 );\n\n\treturn Varys;\n\n}\n"}),this.mipmapFragmentShaderModule=e.createShaderModule({label:"mipmapFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vTex );\n\n}\n"}),this.flipYFragmentShaderModule=e.createShaderModule({label:"flipYFragment",code:"\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img : texture_2d<f32>;\n\n@fragment\nfn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );\n\n}\n"})}getTransferPipeline(e){let t=this.transferPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`mipmap-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:DN,stripIndexFormat:ZN},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return void 0===t&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:DN,stripIndexFormat:ZN},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,a=this.getTransferPipeline(s),o=this.getFlipYPipeline(s),u=this.device.createTexture({size:{width:i,height:n,depthOrArrayLayers:1},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),l=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:Pw,baseArrayLayer:r}),d=u.createView({baseMipLevel:0,mipLevelCount:1,dimension:Pw,baseArrayLayer:0}),c=this.device.createCommandEncoder({}),h=(e,t,r)=>{const s=e.getBindGroupLayout(0),i=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t}]}),n=c.beginRenderPass({colorAttachments:[{view:r,loadOp:jN,storeOp:$N,clearValue:[0,0,0,0]}]});n.setPipeline(e),n.setBindGroup(0,i),n.draw(4,1,0,0),n.end()};h(a,l,d),h(o,d,l),this.device.queue.submit([c.finish()]),u.destroy()}generateMipmaps(e,t,r=0){const s=this.get(e);void 0===s.useCount&&(s.useCount=0,s.layers=[]);const i=s.layers[r]||this._mipmapCreateBundles(e,t,r),n=this.device.createCommandEncoder({});this._mipmapRunBundles(n,i),this.device.queue.submit([n.finish()]),0!==s.useCount&&(s.layers[r]=i),s.useCount++}_mipmapCreateBundles(e,t,r){const s=this.getTransferPipeline(t.format),i=s.getBindGroupLayout(0);let n=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:Pw,baseArrayLayer:r});const a=[];for(let o=1;o<t.mipLevelCount;o++){const u=this.device.createBindGroup({layout:i,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:n}]}),l=e.createView({baseMipLevel:o,mipLevelCount:1,dimension:Pw,baseArrayLayer:r}),d={colorAttachments:[{view:l,loadOp:jN,storeOp:$N,clearValue:[0,0,0,0]}]},c=this.device.createRenderBundleEncoder({colorFormats:[t.format]});c.setPipeline(s),c.setBindGroup(0,u),c.draw(4,1,0,0),a.push({renderBundles:[c.finish()],passDescriptor:d}),n=l}return a}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const Ww={[Pr]:"never",[Ie]:"less",[Rr]:"equal",[Cr]:"less-equal",[wr]:"greater",[Ar]:"greater-equal",[Mr]:"always",[Er]:"not-equal"},jw=[0,1,3,2,4,5];class qw{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this.colorBuffer=null,this.depthTexture=new U,this.depthTexture.name="depthBuffer"}createSampler(e){const t=this.backend,r=t.device,s=t.get(e),i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};i.magFilter===GE&&i.minFilter===GE&&i.mipmapFilter===GE&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&(i.compare=Ww[e.compareFunction]),s.sampler=r.createSampler(i)}createDefaultTexture(e){let t;const r=Xw(e);e.isCubeTexture?t=this._getDefaultCubeTextureGPU(r):e.isVideoTexture?this.backend.get(e).externalTexture=this._getDefaultVideoFrame():t=this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||Xw(e,r.device);s.format=l;const{samples:d,primarySamples:c,isMSAA:h}=r.utils.getTextureSampleData(e);let p=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(p|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&(p|=GPUTextureUsage.RENDER_ATTACHMENT);const g={label:e.name,size:{width:i,height:n,depthOrArrayLayers:a},mipLevelCount:o,sampleCount:c,dimension:u,format:l,usage:p};if(e.isVideoTexture){const t=e.source.data,r=new VideoFrame(t);g.size.width=r.displayWidth,g.size.height=r.displayHeight,r.close(),s.externalTexture=t}else{if(void 0===l)return console.warn("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(g.textureBindingViewDimension=Fw),s.texture=r.device.createTexture(g)}if(h){const e=Object.assign({},g);e.label=e.label+"-msaa",e.sampleCount=d,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=g}destroyTexture(e){const t=this.backend,r=t.get(e);void 0!==r.texture&&r.texture.destroy(),void 0!==r.msaaTexture&&r.msaaTexture.destroy(),t.delete(e)}destroySampler(e){delete this.backend.get(e).sampler}generateMipmaps(e){const t=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e);else{const r=e.image.depth||1;for(let e=0;e<r;e++)this._generateMipmaps(t.texture,t.textureDescriptorGPU,e)}}getColorBuffer(){this.colorBuffer&&this.colorBuffer.destroy();const e=this.backend,{width:t,height:r}=e.getDrawingBufferSize();return this.colorBuffer=e.device.createTexture({label:"colorBuffer",size:{width:t,height:r,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.samples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),this.colorBuffer}getDepthBuffer(e=!0,t=!1){const r=this.backend,{width:s,height:i}=r.getDrawingBufferSize(),n=this.depthTexture,a=r.get(n).texture;let o,u;if(t?(o=we,u=Re):e&&(o=Ae,u=T),void 0!==a){if(n.image.width===s&&n.image.height===i&&n.format===o&&n.type===u)return a;this.destroyTexture(n)}return n.name="depthBuffer",n.format=o,n.type=u,n.image.width=s,n.image.height=i,this.createTexture(n,{width:s,height:i}),r.get(n).texture}updateTexture(e,t){const r=this.backend.get(e),{textureDescriptorGPU:s}=r;if(!e.isRenderTargetTexture&&void 0!==s){if(e.isDataTexture)this._copyBufferToTexture(t.image,r.texture,s,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)for(let i=0;i<t.image.depth;i++)this._copyBufferToTexture(t.image,r.texture,s,i,e.flipY,i);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,s);else if(e.isCubeTexture)this._copyCubeMapToTexture(t.images,r.texture,s,e.flipY,e.premultiplyAlpha);else if(e.isVideoTexture){const t=e.source.data;r.externalTexture=t}else this._copyImageToTexture(t.image,r.texture,s,0,e.flipY,e.premultiplyAlpha);r.version=e.version,e.onUpdate&&e.onUpdate(e)}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=a.createBuffer({size:s*i*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=a.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);a.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new x;r.minFilter=v,r.magFilter=v,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new A;r.minFilter=v,r.magFilter=v,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultVideoFrame(){let e=this.defaultVideoFrame;if(null===e){const t={timestamp:0,codedWidth:1,codedHeight:1,format:"RGBA"};this.defaultVideoFrame=e=new VideoFrame(new Uint8Array([0,0,0,255]),t)}return e}_copyCubeMapToTexture(e,t,r,s,i){for(let n=0;n<6;n++){const a=e[n],o=!0===s?jw[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,s):this._copyImageToTexture(a,t,r,o,s,i)}}_copyImageToTexture(e,t,r,s,i,n){this.backend.device.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:0,origin:{x:0,y:0,z:s},premultipliedAlpha:n},{width:e.width,height:e.height,depthOrArrayLayers:1})}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new $w(this.backend.device)),e}_generateMipmaps(e,t,r=0){this._getPassUtils().generateMipmaps(e,t,r)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0){const a=this.backend.device,o=e.data,u=this._getBytesPerTexel(r.format),l=e.width*u;a.queue.writeTexture({texture:t,mipLevel:0,origin:{x:0,y:0,z:s}},o,{offset:e.width*e.height*u*n,bytesPerRow:l},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let a=0;a<e.length;a++){const o=e[a],u=o.width,l=o.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:e}},o.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===kS||e===GS?{byteLength:8,width:4,height:4}:e===zS||e===HS||e===$S||e===WS?{byteLength:16,width:4,height:4}:e===jS||e===qS?{byteLength:8,width:4,height:4}:e===XS||e===KS||e===YS||e===QS||e===ZS||e===JS?{byteLength:16,width:4,height:4}:e===eE||e===tE||e===rE||e===sE?{byteLength:8,width:4,height:4}:e===iE||e===nE?{byteLength:16,width:4,height:4}:e===aE||e===oE?{byteLength:8,width:4,height:4}:e===uE||e===lE||e===dE||e===cE?{byteLength:16,width:4,height:4}:e===hE||e===pE?{byteLength:16,width:5,height:4}:e===gE||e===mE?{byteLength:16,width:5,height:5}:e===fE||e===yE?{byteLength:16,width:6,height:5}:e===bE||e===xE?{byteLength:16,width:6,height:6}:e===TE||e===_E?{byteLength:16,width:8,height:5}:e===vE||e===NE?{byteLength:16,width:8,height:6}:e===SE||e===EE?{byteLength:16,width:8,height:8}:e===wE||e===AE?{byteLength:16,width:10,height:5}:e===RE||e===CE?{byteLength:16,width:10,height:6}:e===ME||e===PE?{byteLength:16,width:10,height:8}:e===BE||e===FE?{byteLength:16,width:10,height:10}:e===LE||e===DE?{byteLength:16,width:12,height:10}:e===IE||e===VE?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=UE;return e===Nr?t=OE:e===_r&&(t=kE),t}_convertFilterMode(e){let t=GE;return e!==v&&e!==Sr&&e!==Ge||(t=zE),t}_getBytesPerTexel(e){return e===JN||e===eS||e===tS||e===rS?1:e===sS||e===iS||e===nS||e===aS||e===oS||e===uS||e===lS?2:e===dS||e===cS||e===hS||e===pS||e===gS||e===mS||e===fS||e===yS||e===bS||e===xS||e===TS||e===_S||e===vS||e===NS||e===SS||e===ES||e===US||e===IS||e===VS||e===OS?4:e===wS||e===AS||e===RS||e===CS||e===MS||e===PS?8:e===BS||e===FS||e===LS?16:void 0}_getTypedArrayType(e){return e===tS?Uint8Array:e===rS?Int8Array:e===JN?Uint8Array:e===eS?Int8Array:e===uS?Uint8Array:e===lS?Int8Array:e===aS?Uint8Array:e===oS?Int8Array:e===xS?Uint8Array:e===TS?Int8Array:e===fS?Uint8Array:e===bS?Int8Array:e===sS?Uint16Array:e===iS?Int16Array:e===pS?Uint16Array:e===gS?Int16Array:e===CS?Uint16Array:e===MS?Int16Array:e===nS||e===mS||e===PS?Uint16Array:e===dS?Uint32Array:e===cS?Int32Array:e===hS?Float32Array:e===wS?Uint32Array:e===AS?Int32Array:e===RS?Float32Array:e===BS?Uint32Array:e===FS?Int32Array:e===LS?Float32Array:e===_S||e===vS?Uint8Array:e===SS||e===NS||e===ES?Uint32Array:e===US?Float32Array:e===IS||e===VS?Uint32Array:e===OS?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?Mw:Cw,t}}function Xw(e,t=null){const r=e.format,s=e.type,i=e.colorSpace,n=c.getTransfer(i);let a;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case jt:a=n===h?GS:kS;break;case qt:a=n===h?HS:zS;break;case Xt:a=n===h?WS:$S;break;case er:a=n===h?tE:eE;break;case tr:a=n===h?nE:iE;break;case rr:a=n===h?cE:dE;break;case sr:a=n===h?pE:hE;break;case ir:a=n===h?mE:gE;break;case nr:a=n===h?yE:fE;break;case ar:a=n===h?xE:bE;break;case or:a=n===h?_E:TE;break;case ur:a=n===h?NE:vE;break;case lr:a=n===h?EE:SE;break;case dr:a=n===h?AE:wE;break;case cr:a=n===h?CE:RE;break;case hr:a=n===h?PE:ME;break;case pr:a=n===h?FE:BE;break;case gr:a=n===h?DE:LE;break;case mr:a=n===h?VE:IE;break;case de:a=n===h?yS:fS;break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case de:switch(s){case ot:a=bS;break;case at:a=MS;break;case ut:a=CS;break;case T:a=BS;break;case _:a=FS;break;case Ce:a=n===h?yS:fS;break;case ce:a=PS;break;case D:a=LS;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case ct:if(s===Ht)a=NS;else console.error("WebGPURenderer: Unsupported texture type with RGBFormat.",s);break;case nt:switch(s){case ot:a=eS;break;case at:a=iS;break;case ut:a=sS;break;case T:a=dS;break;case _:a=cS;break;case Ce:a=JN;break;case ce:a=nS;break;case D:a=hS;break;default:console.error("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case Ve:switch(s){case ot:a=oS;break;case at:a=gS;break;case ut:a=pS;break;case T:a=wS;break;case _:a=AS;break;case Ce:a=aS;break;case ce:a=mS;break;case D:a=RS;break;default:console.error("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case Ae:switch(s){case ut:a=DS;break;case T:a=IS;break;case D:a=US;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case we:switch(s){case Re:a=VS;break;case D:t&&!1===t.features.has(Uw.Depth32FloatStencil8)&&console.error('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),a=OS;break;default:console.error("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case it:switch(s){case _:a=cS;break;case T:a=dS;break;default:console.error("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case lt:switch(s){case _:a=AS;break;case T:a=wS;break;default:console.error("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case ht:switch(s){case _:a=FS;break;case T:a=BS;break;default:console.error("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:console.error("WebGPURenderer: Unsupported texture format.",r)}return a}const Kw=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,Yw=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,Qw={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class Zw extends iv{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(Kw);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=Yw.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=Qw[i]),n.push(new $_(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:Qw[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class Jw extends sv{parseFunction(e){return new Zw(e)}}const eA="undefined"!=typeof self?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},tA={[Os.READ_ONLY]:"read",[Os.WRITE_ONLY]:"write",[Os.READ_WRITE]:"read_write"},rA={[Nr]:"repeat",[vr]:"clamp",[_r]:"mirror"},sA={vertex:eA?eA.VERTEX:1,fragment:eA?eA.FRAGMENT:2,compute:eA?eA.COMPUTE:4},iA={instance:!0,swizzleAssign:!1,storageBuffer:!0},nA={"^^":"tsl_xor"},aA={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},oA={},uA={tsl_xor:new Ib("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new Ib("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new Ib("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new Ib("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new Ib("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new Ib("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new Ib("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new Ib("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new Ib("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new Ib("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new Ib("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new Ib("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new Ib("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},lA={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>"};"undefined"!=typeof navigator&&/Windows/g.test(navigator.userAgent)&&(uA.pow_float=new Ib("fn tsl_pow_float( a : f32, b : f32 ) -> f32 { return select( -pow( -a, b ), pow( a, b ), a > 0.0 ); }"),uA.pow_vec2=new Ib("fn tsl_pow_vec2( a : vec2f, b : vec2f ) -> vec2f { return vec2f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ) ); }",[uA.pow_float]),uA.pow_vec3=new Ib("fn tsl_pow_vec3( a : vec3f, b : vec3f ) -> vec3f { return vec3f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ) ); }",[uA.pow_float]),uA.pow_vec4=new Ib("fn tsl_pow_vec4( a : vec4f, b : vec4f ) -> vec4f { return vec4f( tsl_pow_float( a.x, b.x ), tsl_pow_float( a.y, b.y ), tsl_pow_float( a.z, b.z ), tsl_pow_float( a.w, b.w ) ); }",[uA.pow_float]),lA.pow_float="tsl_pow_float",lA.pow_vec2="tsl_pow_vec2",lA.pow_vec3="tsl_pow_vec3",lA.pow_vec4="tsl_pow_vec4");let dA="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(dA+="diagnostic( off, derivative_uniformity );\n");class cA extends z_{constructor(e,t){super(e,t,new Jw),this.uniformGroups={},this.builtins={},this.directives={},this.scopedArrays=new Map}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==b}_generateTextureSample(e,t,r,s,i=this.shaderStage){return"fragment"===i?s?`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this._generateTextureSampleLevel(e,t,r,"0",s)}_generateVideoSample(e,t,r=this.shaderStage){if("fragment"===r)return`textureSampleBaseClampToEdge( ${e}, ${e}_sampler, vec2<f32>( ${t}.x, 1.0 - ${t}.y ) )`;console.error(`WebGPURenderer: THREE.VideoTexture does not support ${r} shader.`)}_generateTextureSampleLevel(e,t,r,s,i){return!1===this.isUnfilterable(e)?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,s):this.generateTextureLod(e,t,r,i,s)}generateWrapFunction(e){const t=`tsl_coord_${rA[e.wrapS]}S_${rA[e.wrapT]}_${e.isData3DTexture?"3d":"2d"}T`;let r=oA[t];if(void 0===r){const s=[],i=e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===Nr?(s.push(uA.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===vr?(s.push(uA.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===_r?(s.push(uA.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,console.warn(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),e.isData3DTexture&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",oA[t]=r=new Ib(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isVideoTexture||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Zo(new Du(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Zo(new Du(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Zo(new Du("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s="0u"){this._include("biquadraticTexture");return`tsl_biquadraticTexture( ${t}, ${this.generateWrapFunction(e)}( ${r} ), ${this.generateTextureDimension(e,t,s)}, u32( ${s} ) )`}generateTextureLod(e,t,r,s,i="0u"){const n=this.generateWrapFunction(e),a=this.generateTextureDimension(e,t,i),o=e.isData3DTexture?"vec3":"vec2",u=`${o}<u32>( ${n}( ${r} ) * ${o}<f32>( ${a} ) )`;return this.generateTextureLoad(e,t,u,s,i)}generateTextureLoad(e,t,r,s,i="0u"){let n;return!0===e.isVideoTexture?n=`textureLoad( ${t}, ${r} )`:s?n=`textureLoad( ${t}, ${r}, ${s}, u32( ${i} ) )`:(n=`textureLoad( ${t}, ${r}, u32( ${i} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(n+=".x")),n}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===D||!1===this.isSampleCompare(e)&&e.minFilter===v&&e.magFilter===v||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i=this.shaderStage){let n=null;return n=!0===e.isVideoTexture?this._generateVideoSample(t,r,i):this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,"0",i):this._generateTextureSample(e,t,r,s,i),n}generateTextureGrad(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]} )`;console.error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${n} shader.`)}generateTextureCompare(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return!0===e.isDepthTexture&&!0===e.isArrayTexture?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${n} shader.`)}generateTextureLevel(e,t,r,s,i,n=this.shaderStage){let a=null;return a=!0===e.isVideoTexture?this._generateVideoSample(t,r,n):this._generateTextureSampleLevel(e,t,r,s,i),a}generateTextureBias(e,t,r,s,i,n=this.shaderStage){if("fragment"===n)return`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;console.error(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${n} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=nA[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?Os.READ_ONLY:e.access}getStorageAccess(e,t){return tA[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);if("texture"===t||"storageTexture"===t?s=new Qv(i.name,i.node,o,n):"cubeTexture"===t?s=new Zv(i.name,i.node,o,n):"texture3D"===t&&(s=new Jv(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.setVisibility(sA[r]),!1===this.isUnfilterable(e.value)&&!1===s.store){const e=new kw(`${i.name}_sampler`,i.node,o);e.setVisibility(sA[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=new("buffer"===t?Wv:Hw)(e,o);n.setVisibility(sA[r]),l.push(n),a=n,i.name=s||"NodeBuffer_"+i.id}else{const e=this.uniformGroups[r]||(this.uniformGroups[r]={});let s=e[u];void 0===s&&(s=new Xv(u,o),s.setVisibility(sA[r]),e[u]=s,l.push(s)),a=this.getNodeUniform(i,t),s.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","Vertex","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;if(n.interpolationType){const t=null!==n.interpolationSampling?`, ${n.interpolationSampling} )`:" )";e+=` @interpolate( ${n.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=` @interpolate( ${this.renderer.backend.compatibilityMode?"flat, either":"flat"} )`);t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,a=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;!1===this.isUnfilterable(t)&&!0!==i.node.isStorageTextureNode&&(this.isSampleCompare(t)?r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(t);if(o>1&&(n="_multisampled"),!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDepthTexture)s=this.renderer.backend.compatibilityMode&&null===t.compareFunction?`texture${n}_2d<f32>`:`texture_depth${n}_2d${!0===t.isArrayTexture?"_array":""}`;else if(!0===i.node.isStorageTextureNode){const r=Xw(t),n=this.getStorageAccess(i.node,e),a=i.node.value.is3DTexture,o=i.node.value.isArrayTexture;s=`texture_storage_${a?"3d":"2d"+(o?"_array":"")}<${r}, ${n}>`}else if(!0===t.isArrayTexture||!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.is3DTexture||!0===t.isData3DTexture)s="texture_3d<f32>";else if(!0===t.isVideoTexture)s="texture_external";else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.getNodeType(this)),n=t.bufferCount,o=n>0&&"buffer"===i.type?", "+n:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(i))s.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var<${u}> ${i.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${o} >`;s.push(this._getWGSLStructBinding(i.name,e,u,a.binding++,a.group))}}else{const e=this.getType(this.getVectorType(i.type)),t=i.groupNode.name;(n[t]||(n[t]={index:a.binding++,id:a.group,snippets:[]})).snippets.push(`\t${i.name} : ${e}`)}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}let a=r.join("\n");return a+=s.join("\n"),a+=i.join("\n"),a}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],a=n.outputNode,o=void 0!==a&&!0===a.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.Vertex = ${i.result};`;else if("fragment"===t)if(o)r.returnType=a.getNodeType(this),r.structs+="var<private> output : "+r.returnType+";",s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}this.shaderStage=null,null!==this.material?(this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment)):this.computeShader=this._getWGSLComputeCode(e.compute,(this.object.workgroupSize||[64]).join(", "))}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getType(e){return aA[e]||e}isAvailable(e){let t=iA[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),iA[e]=t),t}_getWGSLMethod(e){return void 0!==uA[e]&&this._include(e),lA[e]}_include(e){const t=uA[e];return t.build(this),null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${dA}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${t} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x + globalId.y * numWorkgroups.x * u32(${t}) + globalId.z * numWorkgroups.x * numWorkgroups.y * u32(${t});\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class hA{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return null!==e.depthTexture?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=VS:e.depth&&(t=IS),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.samples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?PN:e.isLineSegments||e.isMesh&&!0===t.wireframe?BN:e.isLine?FN:e.isMesh?LN:void 0}getSampleCount(e){let t=1;return e>1&&(t=Math.pow(2,Math.floor(Math.log2(e))),2===t&&(t=4)),t}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.samples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ce)return _S;if(e===ce)return PS;throw new Error("Unsupported outputType")}}const pA=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&pA.set(Float16Array,["float16"]);const gA=new Map([[ze,["float16"]]]),mA=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class fA{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;n=a.createBuffer({label:r.name,size:l,usage:t,mappedAtCreation:!0}),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=this._isTypedArray(a),u=t.updateRanges;if(0===u.length)s.queue.writeBuffer(n,0,a,0);else{const e=o?1:a.BYTES_PER_ELEMENT;for(let t=0,r=u.length;t<r;t++){const r=u[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(r.start/3)*e,d=4*Math.ceil(r.count/3)*e}else l=r.start*e,d=r.count*e;const c=l*(o?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?Vw:Iw):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?Vw:Iw),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),a=r.createCommandEncoder({label:`readback_encoder_${e.name}`});a.copyBufferToBuffer(s,0,n,0,i);const o=a.finish();r.queue.submit([o]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=mA.get(s);else{const e=(gA.get(i)||pA.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||console.error("THREE.WebGPUAttributeUtils: Vertex format not supported yet."),n}_isTypedArray(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class yA{constructor(e){this.backend=e,this.bindGroupLayoutCache=new WeakMap}createBindingsLayout(e){const t=this.backend,r=t.device,s=[];let i=0;for(const r of e.bindings){const e={binding:i++,visibility:r.visibility};if(r.isUniformBuffer||r.isStorageBuffer){const t={};r.isStorageBuffer&&(4&r.visibility&&(r.access===Os.READ_WRITE||r.access===Os.WRITE_ONLY)?t.type=yw:t.type=bw),e.buffer=t}else if(r.isSampler){const s={};r.texture.isDepthTexture&&(null!==r.texture.compareFunction?s.type=Nw:t.compatibilityMode&&(s.type=vw)),e.sampler=s}else if(r.isSampledTexture&&r.texture.isVideoTexture)e.externalTexture={};else if(r.isSampledTexture&&r.store){const t={};t.format=this.backend.get(r.texture).texture.format;const s=r.access;t.access=s===Os.READ_WRITE?_w:s===Os.WRITE_ONLY?xw:Tw,r.texture.isArrayTexture?t.viewDimension=Bw:r.texture.is3DTexture&&(t.viewDimension=Lw),e.storageTexture=t}else if(r.isSampledTexture){const s={},{primarySamples:i}=t.utils.getTextureSampleData(r.texture);if(i>1&&(s.multisampled=!0,r.texture.isDepthTexture||(s.sampleType=Ew)),r.texture.isDepthTexture)t.compatibilityMode&&null===r.texture.compareFunction?s.sampleType=Ew:s.sampleType=ww;else if(r.texture.isDataTexture||r.texture.isDataArrayTexture||r.texture.isData3DTexture){const e=r.texture.type;e===_?s.sampleType=Aw:e===T?s.sampleType=Rw:e===D&&(this.backend.hasFeature("float32-filterable")?s.sampleType=Sw:s.sampleType=Ew)}r.isSampledCubeTexture?s.viewDimension=Fw:r.texture.isArrayTexture||r.texture.isDataArrayTexture||r.texture.isCompressedArrayTexture?s.viewDimension=Bw:r.isSampledTexture3D&&(s.viewDimension=Lw),e.texture=s}else console.error(`WebGPUBindingUtils: Unsupported binding "${r}".`);s.push(e)}return r.createBindGroupLayout({entries:s})}createBindings(e,t,r,s=0){const{backend:i,bindGroupLayoutCache:n}=this,a=i.get(e);let o,u=n.get(e.bindingsReference);void 0===u&&(u=this.createBindingsLayout(e),n.set(e.bindingsReference,u)),r>0&&(void 0===a.groups&&(a.groups=[],a.versions=[]),a.versions[r]===s&&(o=a.groups[r])),void 0===o&&(o=this.createBindGroup(e,u),r>0&&(a.groups[r]=o,a.versions[r]=s)),a.group=o,a.layout=u}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer;r.queue.writeBuffer(i,0,s,0)}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const a=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:a})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=s.createBuffer({label:"bindingBuffer_"+t.name,size:r,usage:i});e.buffer=n}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t);if(void 0===e.buffer){const s=t.attribute;e.buffer=r.get(s).buffer}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}else if(t.isSampledTexture){const e=r.get(t.texture);let a;if(void 0!==e.externalTexture)a=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=`view-${e.texture.width}-${e.texture.height}-${r}`;if(a=e[s],void 0===a){const i=Dw;let n;n=t.isSampledCubeTexture?Fw:t.isSampledTexture3D?Lw:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?Bw:Pw,a=e[s]=e.texture.createView({aspect:i,dimension:n,mipLevelCount:r})}}n.push({binding:i,resource:a})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}}class bA{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:o}=n,u=this.backend,l=u.device,d=u.utils,c=u.get(n),h=[];for(const t of e.getBindings()){const e=u.get(t);h.push(e.layout)}const p=u.attributeUtils.createShaderVertexBuffers(e);let g;s.blending===H||s.blending===k&&!1===s.transparent||(g=this._getBlending(s));let m={};!0===s.stencilWrite&&(m={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const f=this._getColorWriteMask(s),y=[];if(null!==e.context.textures){const t=e.context.textures;for(let e=0;e<t.length;e++){const r=d.getTextureFormatGPU(t[e]);y.push({format:r,blend:g,writeMask:f})}}else{const t=d.getCurrentColorFormat(e.context);y.push({format:t,blend:g,writeMask:f})}const b=u.get(a).module,x=u.get(o).module,T=this._getPrimitiveState(r,i,s),_=this._getDepthCompare(s),v=d.getCurrentDepthStencilFormat(e.context),N=this._getSampleCount(e.context),S={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},b,{buffers:p}),fragment:Object.assign({},x,{targets:y}),primitive:T,multisample:{count:N,alphaToCoverageEnabled:s.alphaToCoverage&&N>1},layout:l.createPipelineLayout({bindGroupLayouts:h})},E={},w=e.context.depth,A=e.context.stencil;if(!0!==w&&!0!==A||(!0===w&&(E.format=v,E.depthWriteEnabled=s.depthWrite,E.depthCompare=_),!0===A&&(E.stencilFront=m,E.stencilBack={},E.stencilReadMask=s.stencilFuncMask,E.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&(E.depthBias=s.polygonOffsetUnits,E.depthBiasSlopeScale=s.polygonOffsetFactor,E.depthBiasClamp=0),S.depthStencil=E),null===t)c.pipeline=l.createRenderPipeline(S);else{const e=new Promise(e=>{l.createRenderPipelineAsync(S).then(t=>{c.pipeline=t,e()})});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a={label:t,colorFormats:[s.getCurrentColorFormat(e)],depthStencilFormat:n,sampleCount:this._getSampleCount(e)};return i.createRenderBundleEncoder(a)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e);a.push(t.layout)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:a})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===qe){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:rw},r={srcFactor:i,dstFactor:n,operation:rw}};if(e.premultipliedAlpha)switch(s){case k:i($E,XE,$E,XE);break;case Bt:i($E,$E,$E,$E);break;case Pt:i(HE,jE,HE,$E);break;case Mt:i(KE,XE,HE,$E)}else switch(s){case k:i(qE,XE,$E,XE);break;case Bt:i(qE,$E,$E,$E);break;case Pt:console.error("THREE.WebGPURenderer: SubtractiveBlending requires material.premultipliedAlpha = true");break;case Mt:console.error("THREE.WebGPURenderer: MultiplyBlending requires material.premultipliedAlpha = true")}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};console.error("THREE.WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case Ke:t=HE;break;case wt:t=$E;break;case Et:t=WE;break;case Tt:t=jE;break;case St:t=qE;break;case xt:t=XE;break;case vt:t=KE;break;case bt:t=YE;break;case _t:t=QE;break;case yt:t=ZE;break;case Nt:t=JE;break;case 211:t=ew;break;case 212:t=tw;break;default:console.error("THREE.WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case kr:t=IN;break;case Or:t=HN;break;case Ur:t=VN;break;case Vr:t=ON;break;case Ir:t=UN;break;case Dr:t=zN;break;case Lr:t=kN;break;case Fr:t=GN;break;default:console.error("THREE.WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case Xr:t=lw;break;case qr:t=dw;break;case jr:t=cw;break;case Wr:t=hw;break;case $r:t=pw;break;case Hr:t=gw;break;case zr:t=mw;break;case Gr:t=fw;break;default:console.error("THREE.WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case Xe:t=rw;break;case ft:t=sw;break;case mt:t=iw;break;case Yr:t=nw;break;case Kr:t=aw;break;default:console.error("THREE.WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;switch(s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?QN:ZN),r.side){case je:s.frontFace=qN,s.cullMode=YN;break;case S:s.frontFace=qN,s.cullMode=KN;break;case E:s.frontFace=qN,s.cullMode=XN;break;default:console.error("THREE.WebGPUPipelineUtils: Unknown material.side value.",r.side)}return s}_getColorWriteMask(e){return!0===e.colorWrite?uw:ow}_getDepthCompare(e){let t;if(!1===e.depthTest)t=HN;else{const r=e.depthFunc;switch(r){case kt:t=IN;break;case Ot:t=HN;break;case Ut:t=VN;break;case Vt:t=ON;break;case It:t=UN;break;case Dt:t=zN;break;case Lt:t=kN;break;case Ft:t=GN;break;default:console.error("THREE.WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class xA extends AN{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return pt(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e.id,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r));let a=0;for(const[,t]of e){const e=n[t],r=n[t+1];a+=Number(r-e)/1e6}return this.resultBuffer.unmap(),this.lastValue=a,a}catch(e){return console.error("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){console.error("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){console.error("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class TA extends lN{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.compatibilityMode=void 0!==e.compatibilityMode&&e.compatibilityMode,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=this.parameters.compatibilityMode,this.device=null,this.context=null,this.colorBuffer=null,this.defaultRenderPassdescriptor=null,this.utils=new hA(this),this.attributeUtils=new fA(this),this.bindingUtils=new yA(this),this.pipelineUtils=new bA(this),this.textureUtils=new qw(this),this.occludedResolveCache=new Map}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference,featureLevel:t.compatibilityMode?"compatibility":void 0},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(Uw),n=[];for(const e of i)s.features.has(e)&&n.push(e);const a={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(a)}else r=t.device;r.lost.then(t=>{const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)});const s=void 0!==t.context?t.context:e.domElement.getContext("webgpu");this.device=r,this.context=s;const i=t.alpha?"premultiplied":"opaque";this.trackTimestamp=this.trackTimestamp&&this.hasFeature(Uw.TimestampQuery),this.context.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i}),this.updateSize()}get coordinateSystem(){return d}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){let e=this.defaultRenderPassdescriptor;if(null===e){const t=this.renderer;e={colorAttachments:[{view:null}]},!0!==this.renderer.depth&&!0!==this.renderer.stencil||(e.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(t.depth,t.stencil).createView()});const r=e.colorAttachments[0];this.renderer.samples>0?r.view=this.colorBuffer.createView():r.resolveTarget=void 0,this.defaultRenderPassdescriptor=e}const t=e.colorAttachments[0];return this.renderer.samples>0?t.resolveTarget=this.context.getCurrentTexture().createView():t.view=this.context.getCurrentTexture().createView(),e}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.image.depth>1&&e.camera.isArrayCamera}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;if(void 0===i||s.width!==r.width||s.height!==r.height||s.dimensions!==r.dimensions||s.activeMipmapLevel!==e.activeMipmapLevel||s.activeCubeFace!==e.activeCubeFace||s.samples!==r.samples){i={},s.descriptors=i;const e=()=>{r.removeEventListener("dispose",e),this.delete(r)};!1===r.hasEventListener("dispose",e)&&r.addEventListener("dispose",e)}const n=e.getCacheKey();let a=i[n];if(void 0===a){const t=e.textures,o=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const i=this.get(t[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:Pw};if(r.isRenderTarget3D)u=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=Lw,n.depthOrArrayLayers=t[s].image.depth;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){const t={...n,baseArrayLayer:e,arrayLayerCount:1,dimension:Pw},r=i.texture.createView(t);o.push({view:r,resolveTarget:void 0,depthSlice:void 0})}}else n.dimension=Bw,n.depthOrArrayLayers=t[s].image.depth;if(!0!==l){const e=i.texture.createView(n);let t,r;void 0!==i.msaaTexture?(t=i.msaaTexture.createView(),r=e):(t=e,r=void 0),o.push({view:t,resolveTarget:r,depthSlice:u})}}if(a={textureViews:o},e.depth){const t=this.get(e.depthTexture),r={};e.depthTexture.isArrayTexture&&(r.dimension=Pw,r.arrayLayerCount=1,r.baseArrayLayer=e.activeCubeFace),a.depthStencilView=t.texture.createView(r)}i[n]=a,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace,s.dimensions=r.dimensions}const o={colorAttachments:[]};for(let e=0;e<a.textureViews.length;e++){const r=a.textureViews[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),o.colorAttachments.push({view:r.view,depthSlice:r.depthSlice,resolveTarget:r.resolveTarget,loadOp:t.loadOp||WN,storeOp:t.storeOp||$N,clearValue:s})}return a.depthStencilView&&(o.depthStencilAttachment={view:a.depthStencilView}),o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:WN}),this.initTimestampQuery(e,n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=jN):s.loadOp=WN,s.storeOp=$N}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=jN):t.loadOp=WN,t.storeOp=$N}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=jN):a.depthLoadOp=WN,a.depthStoreOp=$N),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=jN):a.stencilLoadOp=WN,a.stencilStoreOp=$N);const o=r.createCommandEncoder({label:"renderContext_"+e.id});if(!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateDepthLayerDescriptors(e,t,r):this._createDepthLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);if(t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor){const{x:t,y:s,width:i,height:n}=e.scissorValue;r.setScissorRect(t,s,i,n)}}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createDepthLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s={...r,colorAttachments:[{...r.colorAttachments[0],view:r.colorAttachments[a].view}]};if(r.depthStencilAttachment){const t=a;n.viewCache[t]||(n.viewCache[t]=n.texture.createView({dimension:Pw,baseArrayLayer:a,arrayLayerCount:1})),s.depthStencilAttachment={view:n.viewCache[t],depthLoadOp:i.depthLoadOp||jN,depthStoreOp:i.depthStoreOp||$N,depthClearValue:i.depthClearValue||1},e.stencil&&(s.depthStencilAttachment.stencilLoadOp=i.stencilLoadOp,s.depthStencilAttachment.stencilStoreOp=i.stencilStoreOp,s.depthStencilAttachment.stencilClearValue=i.stencilClearValue)}else s.depthStencilAttachment={...i};t.layerDescriptors.push(s)}}_updateDepthLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=jN):t.depthLoadOp=WN),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=jN):t.stencilLoadOp=WN)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l,d=[];if(e){const e=this.getClearColor();o={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=o,e.loadOp=jN,e.storeOp=$N}(u||l)&&(a=t.depthStencilAttachment)}else{u=s.depth,l=s.stencil;const i={loadOp:e?jN:WN,clearValue:e?o:void 0};u&&(i.depthLoadOp=t?jN:WN,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=$N),l&&(i.stencilLoadOp=r?jN:WN,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=$N);const c=this._getRenderPassDescriptor(s,i);d=c.colorAttachments,a=c.depthStencilAttachment}u&&a&&void 0===a.depthLoadOp&&(t?(a.depthLoadOp=jN,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=$N):(a.depthLoadOp=WN,a.depthStoreOp=$N)),l&&a&&void 0===a.stencilLoadOp&&(r?(a.stencilLoadOp=jN,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=$N):(a.stencilLoadOp=WN,a.stencilStoreOp=$N));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:a}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(e,r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s){const{passEncoderGPU:i}=this.get(e),n=this.get(s).pipeline;this.pipelineUtils.setPipeline(i,n);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);i.setBindGroup(e,s.group)}const a=this.device.limits.maxComputeWorkgroupsPerDimension,o=this.get(t);void 0===o.dispatchSize&&(o.dispatchSize={x:0,y:1,z:1});const{dispatchSize:u}=o;t.dispatchCount>a?(u.x=Math.min(t.dispatchCount,a),u.y=Math.ceil(t.dispatchCount/a)):u.x=t.dispatchCount,i.dispatchWorkgroups(u.x,u.y,u.z)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}async waitForGPU(){await this.device.queue.onSubmittedWorkDone()}draw(e,t){const{object:r,material:s,context:i,pipeline:n}=e,a=e.getBindings(),o=this.get(i),u=this.get(n).pipeline,l=e.getIndex(),d=null!==l,c=e.getDrawParameters();if(null===c)return;const h=(t,r)=>{this.pipelineUtils.setPipeline(t,u),r.pipeline=u;const n=r.bindingGroups;for(let e=0,r=a.length;e<r;e++){const r=a[e],s=this.get(r);n[r.index]!==r.id&&(t.setBindGroup(r.index,s.group),n[r.index]=r.id)}if(!0===d&&r.index!==l){const e=this.get(l).buffer,s=l.array instanceof Uint16Array?QN:ZN;t.setIndexBuffer(e,s),r.index=l}const c=e.getVertexBuffers();for(let e=0,s=c.length;e<s;e++){const s=c[e];if(r.attributes[e]!==s){const i=this.get(s).buffer;t.setVertexBuffer(e,i),r.attributes[e]=s}}!0===i.stencil&&!0===s.stencilWrite&&o.currentStencilRef!==s.stencilRef&&(t.setStencilReference(s.stencilRef),o.currentStencilRef=s.stencilRef)},p=(s,i)=>{if(h(s,i),!0===r.isBatchedMesh){const e=r._multiDrawStarts,i=r._multiDrawCounts,n=r._multiDrawCount,a=r._multiDrawInstances;null!==a&&pt("THREE.WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");for(let o=0;o<n;o++){const n=a?a[o]:1,u=n>1?0:o;!0===d?s.drawIndexed(i[o],n,e[o]/l.array.BYTES_PER_ELEMENT,0,u):s.draw(i[o],n,e[o],u),t.update(r,i[o],n)}}else if(!0===d){const{vertexCount:i,instanceCount:n,firstVertex:a}=c,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;s.drawIndexedIndirect(e,0)}else s.drawIndexed(i,n,a,0,0);t.update(r,i,n)}else{const{vertexCount:i,instanceCount:n,firstVertex:a}=c,o=e.getIndirect();if(null!==o){const e=this.get(o).buffer;s.drawIndirect(e,0)}else s.draw(i,n,a,0);t.update(r,i,n)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),s=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==s.length){const e=this.get(n),r=[],i=new Uint32Array([0,0,0,0]);for(let t=0,n=s.length;t<n;t++){i[0]=t;const s=this.bindingUtils.createBindGroupIndex(i,e.layout);r.push(s)}t.indexesGPU=r}const a=this.renderer.getPixelRatio();for(let e=0,u=s.length;e<u;e++){const u=s[e];if(r.layers.test(u.layers)){const r=u.viewport;let s=o.currentPass,l=o.currentSets;if(o.bundleEncoders){s=o.bundleEncoders[e],l=o.bundleSets[e]}r&&s.setViewport(Math.floor(r.x*a),Math.floor(r.y*a),Math.floor(r.width*a),Math.floor(r.height*a),i.viewportValue.minDepth,i.viewportValue.maxDepth),n&&t.indexesGPU&&(s.setBindGroup(n.index,t.indexesGPU[e]),l.bindingGroups[n.index]=n.id),p(s,l)}}}else if(o.currentPass){if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(o.currentPass.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(o.currentPass.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}p(o.currentPass,o.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}createSampler(e){this.textureUtils.createSampler(e)}destroySampler(e){this.textureUtils.destroySampler(e)}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e){this.textureUtils.destroyTexture(e)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t){if(!this.trackTimestamp)return;const r=e.isComputeNode?"compute":"render";this.timestampQueryPool[r]||(this.timestampQueryPool[r]=new xA(this.device,r,2048));const s=this.timestampQueryPool[r],i=s.allocateQueriesForContext(e);t.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new cA(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.colorBuffer=this.textureUtils.getColorBuffer(),this.defaultRenderPassdescriptor=null}getMaxAnisotropy(){return 16}hasFeature(e){return this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0);const m=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),f=this.get(e).texture,y=this.get(t).texture;m.copyTextureToTexture({texture:f,mipLevel:i,origin:{x:l,y:d,z:c}},{texture:y,mipLevel:n,origin:{x:a,y:o,z:u}},[h,p,g]),this.device.queue.submit([m.finish()]),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void console.error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):a=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),a.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=WN;if(t.depth&&(e.depthStencilAttachment.depthLoadOp=WN),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=WN),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor){const{x:e,y:r,width:i,height:n}=t.scissorValue;s.currentPass.setScissorRect(e,r,i,n)}}else this.device.queue.submit([a.finish()]);e.generateMipmaps&&this.textureUtils.generateMipmaps(e)}}class _A extends Qr{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class vA extends Qr{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class NA extends xv{constructor(){super(),this.addMaterial(Hp,"MeshPhongMaterial"),this.addMaterial(Bm,"MeshStandardMaterial"),this.addMaterial(Lm,"MeshPhysicalMaterial"),this.addMaterial(km,"MeshToonMaterial"),this.addMaterial(Lp,"MeshBasicMaterial"),this.addMaterial(Gp,"MeshLambertMaterial"),this.addMaterial(_p,"MeshNormalMaterial"),this.addMaterial(Hm,"MeshMatcapMaterial"),this.addMaterial(cp,"LineBasicMaterial"),this.addMaterial(pp,"LineDashedMaterial"),this.addMaterial(Km,"PointsMaterial"),this.addMaterial(qm,"SpriteMaterial"),this.addMaterial(Zm,"ShadowMaterial"),this.addLight(pT,Zr),this.addLight(W_,Jr),this.addLight(K_,es),this.addLight(Y_,Qr),this.addLight(ev,ts),this.addLight(tv,rs),this.addLight(rv,ss),this.addLight(Q_,_A),this.addLight(J_,vA),this.addToneMapping(wb,is),this.addToneMapping(Ab,ns),this.addToneMapping(Rb,as),this.addToneMapping(Mb,os),this.addToneMapping(Lb,us),this.addToneMapping(Db,ls)}}class SA extends kv{constructor(e={}){let t;e.forceWebGL?t=MN:(t=TA,e.getFallback=()=>(console.warn("THREE.WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new MN(e)));super(new t(e),e),this.library=new NA,this.isWebGPURenderer=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}}class EA extends ds{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class wA{constructor(e,t=nn(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new lp;r.name="PostProcessing",this._quadMesh=new Uy(r)}render(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=le;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;this._quadMesh.material.fragmentNode=!0===this.outputColorTransform?Ou(this.outputNode,t,r):this.outputNode.context({toneMapping:t,outputColorSpace:r}),this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){this._update();const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=p,e.outputColorSpace=le;const s=e.xr.enabled;e.xr.enabled=!1,await this._quadMesh.renderAsync(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r}}class AA extends x{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=Y,this.minFilter=Y,this.isStorageTexture=!0}}class RA extends x{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!1,this.image={width:e,height:t,depth:r},this.magFilter=Y,this.minFilter=Y,this.wrapR=vr,this.isStorageTexture=!0,this.is3DTexture=!0}}class CA extends x{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!0,this.image={width:e,height:t,depth:r},this.magFilter=Y,this.minFilter=Y,this.isStorageTexture=!0}}class MA extends qy{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class PA extends cs{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new hs(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):console.error(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(console.error("THREE.NodeLoader: Node type not found:",e),ji()):Li(new this.nodes[e])}}class BA extends ps{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class FA extends gs{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new PA;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new BA;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class LA extends ds{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{os as ACESFilmicToneMapping,xh as AONode,Xe as AddEquation,ee as AddOperation,Bt as AdditiveBlending,us as AgXToneMapping,$t as AlphaFormat,Mr as AlwaysCompare,Ot as AlwaysDepth,Or as AlwaysStencilFunc,ts as AmbientLight,ev as AmbientLightNode,dT as AnalyticLightNode,$e as ArrayCamera,qs as ArrayElementNode,Jn as ArrayNode,ta as AssignNode,zu as AttributeNode,S as BackSide,Cp as BasicEnvironmentNode,Ue as BasicShadowMap,th as BatchNode,q as BoxGeometry,ge as BufferAttribute,_u as BufferAttributeNode,pe as BufferGeometry,el as BufferNode,tc as BumpMapNode,EA as BundleGroup,Mu as BypassNode,ot as ByteType,Ru as CacheNode,Ee as Camera,as as CineonToneMapping,vr as ClampToEdgeWrapping,LA as ClippingGroup,Ib as CodeNode,e as Color,c as ColorManagement,cu as ColorSpaceNode,wu as ComputeNode,si as ConstNode,Ko as ContextNode,Xs as ConvertNode,Q as CubeCamera,R as CubeReflectionMapping,C as CubeRefractionMapping,A as CubeTexture,fd as CubeTextureNode,he as CubeUVReflectionMapping,Rt as CullFaceBack,Ct as CullFaceFront,At as CullFaceNone,qe as CustomBlending,Ye as CylinderGeometry,L as DataArrayTexture,st as DataTexture,ku as DebugNode,Hr as DecrementStencilOp,Gr as DecrementWrapStencilOp,Ae as DepthFormat,we as DepthStencilFormat,U as DepthTexture,Jr as DirectionalLight,W_ as DirectionalLightNode,E as DoubleSide,_t as DstAlphaFactor,vt as DstColorFactor,y as DynamicDrawUsage,Rm as EnvironmentNode,Rr as EqualCompare,It as EqualDepth,Ir as EqualStencilFunc,Z as EquirectangularReflectionMapping,J as EquirectangularRefractionMapping,w as Euler,o as EventDispatcher,Du as ExpressionNode,hs as FileLoader,ze as Float16BufferAttribute,Fe as Float32BufferAttribute,D as FloatType,I as FramebufferTexture,Hl as FrontFacingNode,je as FrontSide,rt as Frustum,tt as FrustumArray,sa as FunctionCallNode,Ub as FunctionNode,ay as FunctionOverloadingNode,lv as GLSLNodeParser,wr as GreaterCompare,Lt as GreaterDepth,Ar as GreaterEqualCompare,Dt as GreaterEqualDepth,Dr as GreaterEqualStencilFunc,Lr as GreaterStencilFunc,ds as Group,ce as HalfFloatType,rs as HemisphereLight,tv as HemisphereLightNode,_A as IESSpotLight,Q_ as IESSpotLightNode,$r as IncrementStencilOp,zr as IncrementWrapStencilOp,$c as IndexNode,MA as IndirectStorageBufferAttribute,Qc as InstanceNode,F as InstancedBufferAttribute,B as InstancedInterleavedBuffer,Jc as InstancedMeshNode,_ as IntType,m as InterleavedBuffer,f as InterleavedBufferAttribute,Wr as InvertStencilOp,vh as IrradianceNode,Ys as JoinNode,Xr as KeepStencilOp,Ie as LessCompare,Ut as LessDepth,Cr as LessEqualCompare,Vt as LessEqualDepth,Vr as LessEqualStencilFunc,Ur as LessStencilFunc,ss as LightProbe,rv as LightProbeNode,vv as Lighting,Th as LightingContextNode,Pp as LightingModel,bh as LightingNode,Ex as LightsNode,bp as Line2NodeMaterial,G as LineBasicMaterial,cp as LineBasicNodeMaterial,z as LineDashedMaterial,pp as LineDashedNodeMaterial,Y as LinearFilter,Be as LinearMipMapLinearFilter,V as LinearMipmapLinearFilter,ke as LinearMipmapNearestFilter,le as LinearSRGBColorSpace,is as LinearToneMapping,Br as LinearTransfer,cs as Loader,dh as LoopNode,Jf as MRTNode,O as Material,ps as MaterialLoader,ic as MaterialNode,Nd as MaterialReferenceNode,u as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,Kr as MaxEquation,qu as MaxMipLevelNode,ii as MemberNode,X as Mesh,se as MeshBasicMaterial,Lp as MeshBasicNodeMaterial,ie as MeshLambertMaterial,Gp as MeshLambertNodeMaterial,be as MeshMatcapMaterial,Hm as MeshMatcapNodeMaterial,$ as MeshNormalMaterial,_p as MeshNormalNodeMaterial,ne as MeshPhongMaterial,Hp as MeshPhongNodeMaterial,fe as MeshPhysicalMaterial,Lm as MeshPhysicalNodeMaterial,Im as MeshSSSNodeMaterial,me as MeshStandardMaterial,Bm as MeshStandardNodeMaterial,ye as MeshToonMaterial,km as MeshToonNodeMaterial,Yr as MinEquation,_r as MirroredRepeatWrapping,te as MixOperation,Nl as ModelNode,fh as MorphNode,Mt as MultiplyBlending,re as MultiplyOperation,v as NearestFilter,Ge as NearestMipmapLinearFilter,Sr as NearestMipmapNearestFilter,ls as NeutralToneMapping,Pr as NeverCompare,kt as NeverDepth,kr as NeverStencilFunc,H as NoBlending,b as NoColorSpace,p as NoToneMapping,js as Node,Os as NodeAccess,g_ as NodeAttribute,z_ as NodeBuilder,T_ as NodeCache,b_ as NodeCode,H_ as NodeFrame,$_ as NodeFunctionInput,PA as NodeLoader,lp as NodeMaterial,BA as NodeMaterialLoader,fs as NodeMaterialObserver,FA as NodeObjectLoader,Is as NodeShaderStage,Us as NodeType,m_ as NodeUniform,Vs as NodeUpdateType,Ds as NodeUtils,f_ as NodeVar,y_ as NodeVarying,k as NormalBlending,Qd as NormalMapNode,Er as NotEqualCompare,Ft as NotEqualDepth,Fr as NotEqualStencilFunc,Pe as Object3D,fl as Object3DNode,gs as ObjectLoader,P as ObjectSpaceNormalMap,wt as OneFactor,yt as OneMinusDstAlphaFactor,bt as OneMinusDstColorFactor,xt as OneMinusSrcAlphaFactor,Tt as OneMinusSrcColorFactor,ae as OrthographicCamera,Yf as OutputStructNode,et as PCFShadowMap,ym as PMREMGenerator,Em as PMREMNode,Wf as ParameterNode,Sb as PassNode,oe as PerspectiveCamera,Op as PhongLightingModel,Lg as PhysicalLightingModel,Me as Plane,We as PlaneGeometry,Zr as PointLight,pT as PointLightNode,Xy as PointUVNode,Te as PointsMaterial,Km as PointsNodeMaterial,wA as PostProcessing,xb as PosterizeNode,vA as ProjectorLight,J_ as ProjectorLightNode,gn as PropertyNode,Uy as QuadMesh,Qe as Quaternion,xr as RED_GREEN_RGTC2_Format,yr as RED_RGTC1_Format,He as REVISION,de as RGBAFormat,ht as RGBAIntegerFormat,pr as RGBA_ASTC_10x10_Format,dr as RGBA_ASTC_10x5_Format,cr as RGBA_ASTC_10x6_Format,hr as RGBA_ASTC_10x8_Format,gr as RGBA_ASTC_12x10_Format,mr as RGBA_ASTC_12x12_Format,rr as RGBA_ASTC_4x4_Format,sr as RGBA_ASTC_5x4_Format,ir as RGBA_ASTC_5x5_Format,nr as RGBA_ASTC_6x5_Format,ar as RGBA_ASTC_6x6_Format,or as RGBA_ASTC_8x5_Format,ur as RGBA_ASTC_8x6_Format,lr as RGBA_ASTC_8x8_Format,fr as RGBA_BPTC_Format,tr as RGBA_ETC2_EAC_Format,Zt as RGBA_PVRTC_2BPPV1_Format,Qt as RGBA_PVRTC_4BPPV1_Format,jt as RGBA_S3TC_DXT1_Format,qt as RGBA_S3TC_DXT3_Format,Xt as RGBA_S3TC_DXT5_Format,ct as RGBFormat,dt as RGBIntegerFormat,Jt as RGB_ETC1_Format,er as RGB_ETC2_Format,Yt as RGB_PVRTC_2BPPV1_Format,Kt as RGB_PVRTC_4BPPV1_Format,Wt as RGB_S3TC_DXT1_Format,Ve as RGFormat,lt as RGIntegerFormat,ky as RTTNode,Jb as RangeNode,es as RectAreaLight,K_ as RectAreaLightNode,nt as RedFormat,it as RedIntegerFormat,Td as ReferenceNode,Fy as ReflectorNode,ns as ReinhardToneMapping,Bu as RemapNode,Uu as RenderOutputNode,ue as RenderTarget,fu as RendererReferenceNode,Ix as RendererUtils,Nr as RepeatWrapping,jr as ReplaceStencilOp,mt as ReverseSubtractEquation,$m as RotateNode,Tr as SIGNED_RED_GREEN_RGTC2_Format,br as SIGNED_RED_RGTC1_Format,W as SRGBColorSpace,h as SRGBTransfer,K as Scene,Zy as SceneNode,Eh as ScreenNode,Wb as ScriptableNode,kb as ScriptableValueNode,Js as SetNode,wx as ShadowBaseNode,_e as ShadowMaterial,Zx as ShadowNode,Zm as ShadowNodeMaterial,at as ShortType,uh as SkinningNode,N as Sphere,Oe as SphereGeometry,Zs as SplitNode,Qr as SpotLight,Y_ as SpotLightNode,xe as SpriteMaterial,qm as SpriteNodeMaterial,fy as SpriteSheetUVNode,St as SrcAlphaFactor,Nt as SrcAlphaSaturateFactor,Et as SrcColorFactor,jf as StackNode,g as StaticDrawUsage,RA as Storage3DTexture,sh as StorageArrayElementNode,CA as StorageArrayTexture,qy as StorageBufferAttribute,nh as StorageBufferNode,jy as StorageInstancedBufferAttribute,AA as StorageTexture,rb as StorageTextureNode,Kf as StructNode,Xf as StructTypeNode,su as SubBuildNode,ft as SubtractEquation,Pt as SubtractiveBlending,u_ as TSL,M as TangentSpaceNormalMap,Ks as TempNode,x as Texture,nb as Texture3DNode,Yu as TextureNode,Wu as TextureSizeNode,bu as ToneMappingNode,Eb as ToonOutlinePassNode,Le as UVMapping,Ne as Uint16BufferAttribute,ve as Uint32BufferAttribute,sl as UniformArrayNode,Wn as UniformGroupNode,Qn as UniformNode,Ce as UnsignedByteType,Re as UnsignedInt248Type,Ht as UnsignedInt5999Type,T as UnsignedIntType,Gt as UnsignedShort4444Type,zt as UnsignedShort5551Type,ut as UnsignedShortType,ob as UserDataNode,De as VSMShadowMap,Zo as VarNode,nu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,ep as VertexColorNode,Gh as ViewportDepthNode,Oh as ViewportDepthTextureNode,mp as ViewportSharedTextureNode,Dh as ViewportTextureNode,sf as VolumeNodeMaterial,l as WebGLCoordinateSystem,j as WebGLCubeRenderTarget,d as WebGPUCoordinateSystem,SA as WebGPURenderer,Ze as WebXRController,Ke as ZeroFactor,qr as ZeroStencilOp,gt as createCanvasElement,Gs as defaultBuildStages,ks as defaultShaderStages,zs as shaderStages,Hs as vectorComponents};