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1=e.colorSpace;let t={format:s.GWd,depthBuffer:!1,stencilBuffer:!1,type:this._type,colorSpace:this._colorSpace,anisotropy:e.renderTargetOptions?.anisotropy!==void 0?e.renderTargetOptions?.anisotropy:1,generateMipmaps:e.renderTargetOptions?.generateMipmaps!==void 0&&e.renderTargetOptions?.generateMipmaps,magFilter:e.renderTargetOptions?.magFilter!==void 0?e.renderTargetOptions?.magFilter:s.k6q,minFilter:e.renderTargetOptions?.minFilter!==void 0?e.renderTargetOptions?.minFilter:s.k6q,samples:e.renderTargetOptions?.samples!==void 0?e.renderTargetOptions?.samples:void 0,wrapS:e.renderTargetOptions?.wrapS!==void 0?e.renderTargetOptions?.wrapS:s.ghU,wrapT:e.renderTargetOptions?.wrapT!==void 0?e.renderTargetOptions?.wrapT:s.ghU};if(this._material=e.material,e.renderer?this._renderer=e.renderer:(this._renderer=h.instantiateRenderer(),this._rendererIsDisposable=!0),this._scene=new s.Z58,this._camera=new s.qUd,this._camera.position.set(0,0,10),this._camera.left=-.5,this._camera.right=.5,this._camera.top=.5,this._camera.bottom=-.5,this._camera.updateProjectionMatrix(),!((e,t,r,a)=>{if(void 0!==n)return n;let i=new s.nWS(1,1,a);t.setRenderTarget(i);let o=new s.eaF(new s.bdM,new s.V9B({color:0xffffff}));t.render(o,r),t.setRenderTarget(null);let l=f(e,i.width,i.height);return t.readRenderTargetPixels(i,0,0,i.width,i.height,l),i.dispose(),o.geometry.dispose(),o.material.dispose(),n=0!==l[0]})(this._type,this._renderer,this._camera,t)){let e;this._type===s.ix0&&(e=this._renderer.extensions.has("EXT_color_buffer_float")?s.RQf:void 0),void 0!==e?(console.warn(`This browser does not support reading pixels from ${this._type} RenderTargets, switching to ${s.RQf}`),this._type=e):(this._supportsReadPixels=!1,console.warn("This browser dos not support toArray or toDataTexture, calls to those methods will result in an error thrown"))}this._quad=new s.eaF(new s.bdM,this._material),this._quad.geometry.computeBoundingBox(),this._scene.add(this._quad),this._renderTarget=new s.nWS(this.width,this.height,t),this._renderTarget.texture.mapping=e.renderTargetOptions?.mapping!==void 0?e.renderTargetOptions?.mapping:s.UTZ}static instantiateRenderer(){let e=new l.WebGLRenderer;return e.setSize(128,128),e}render=()=>{this._renderer.setRenderTarget(this._renderTarget);try{this._renderer.render(this._scene,this._camera)}catch(e){throw this._renderer.setRenderTarget(null),e}this._renderer.setRenderTarget(null)};toArray(){if(!this._supportsReadPixels)throw Error("Can't read pixels in this browser");let e=f(this._type,this._width,this._height);return this._renderer.readRenderTargetPixels(this._renderTarget,0,0,this._width,this._height,e),e}toDataTexture(e){let t=new s.GYF(this.toArray(),this.width,this.height,s.GWd,this._type,e?.mapping||s.UTZ,e?.wrapS||s.ghU,e?.wrapT||s.ghU,e?.magFilter||s.k6q,e?.minFilter||s.k6q,e?.anisotropy||1,s.Zr2);return t.generateMipmaps=e?.generateMipmaps!==void 0&&e?.generateMipmaps,t}disposeOnDemandRenderer(){this._renderer.setRenderTarget(null),this._rendererIsDisposable&&(this._renderer.dispose(),this._renderer.forceContextLoss())}dispose(e){this.disposeOnDemandRenderer(),e&&this.renderTarget.dispose(),this.material instanceof s.BKk&&Object.values(this.material.uniforms).forEach(e=>{e.value instanceof s.gPd&&e.value.dispose()}),Object.values(this.material).forEach(e=>{e instanceof s.gPd&&e.dispose()}),this.material.dispose(),this._quad.geometry.dispose()}get width(){return this._width}set width(e){this._width=e,this._renderTarget.setSize(this._width,this._height)}get height(){return this._height}set height(e){this._height=e,this._renderTarget.setSize(this._width,this._height)}get renderer(){return this._renderer}get renderTarget(){return this._renderTarget}set renderTarget(e){this._renderTarget=e,this._width=e.width,this._height=e.height}get material(){return this._material}get type(){return this._type}get colorSpace(){return this._colorSpace}}
1class p extends Error{}class g extends Error{}let m=(e,t,r)=>{let n=RegExp(`${t}="([^"]*)"`,"i").exec(e);if(n)return n[1];let a=RegExp(`<${t}[^>]*>([\\s\\S]*?)</${t}>`,"i").exec(e);if(a){let e=a[1].match(/<rdf:li>([^<]*)<\/rdf:li>/g);return e&&3===e.length?e.map(e=>e.replace(/<\/?rdf:li>/g,"")):a[1].trim()}if(void 0!==r)return r;throw Error(`Can't find ${t} in gainmap metadata`)};class v{options;constructor(e){this.options={debug:!!e&&void 0!==e.debug&&e.debug,extractFII:!e||void 0===e.extractFII||e.extractFII,extractNonFII:!e||void 0===e.extractNonFII||e.extractNonFII}}extract(e){return new Promise((t,r)=>{let n,a=this.options.debug,i=new DataView(e.buffer);if(65496!==i.getUint16(0))return void r(Error("Not a valid jpeg"));let o=i.byteLength,s=2,l=0;for(;s<o;){if(++l>250)return void r(Error(`Found no marker after ${l} loops ðµ`));if(255!==i.getUint8(s))return void r(Error(`Not a valid marker at offset 0x${s.toString(16)}, found: 0x${i.getUint8(s).toString(16)}`));if(n=i.getUint8(s+1),a&&console.log(`Marker: ${n.toString(16)}`),226===n){a&&console.log("Found APP2 marker (0xffe2)");let e=s+4;if(0x4d504600===i.getUint32(e)){let n,a=e+4;if(18761===i.getUint16(a))n=!1;else{if(19789!==i.getUint16(a))return void r(Error("No valid endianness marker found in TIFF header"));n=!0}if(42!==i.getUint16(a+2,!n))return void r(Error("Not valid TIFF data! (no 0x002A marker)"));let o=i.getUint32(a+4,!n);if(o<8)return void r(Error("Not valid TIFF data! (First offset less than 8)"));let s=a+o,l=i.getUint16(s,!n),d=s+2,u=0;for(let e=d;e<d+12*l;e+=12)45057===i.getUint16(e,!n)&&(u=i.getUint32(e+8,!n));let c=s+2+12*l+4,f=[];for(let e=c;e<c+16*u;e+=16){let t={MPType:i.getUint32(e,!n),size:i.getUint32(e+4,!n),dataOffset:i.getUint32(e+8,!n),dependantImages:i.getUint32(e+12,!n),start:-1,end:-1,isFII:!1};t.dataOffset?(t.start=a+t.dataOffset,t.isFII=!1):(t.start=0,t.isFII=!0),t.end=t.start+t.size,f.push(t)}if(this.options.extractNonFII&&f.length){let e=new Blob([i]),r=[];for(let t of f){if(t.isFII&&!this.options.extractFII)continue;let n=e.slice(t.start,t.end+1,"image/jpeg");r.push(n)}t(r)}}}s+=2+i.getUint16(s+2)}})}}let y=async e=>{let t=(e=>{let t,r=(t="undefined"!=typeof TextDecoder?new TextDecoder().decode(e):e.toString()).indexOf("<x:xmpmeta");for(;-1!==r;){let e=t.indexOf("x:xmpmeta>",r),n=t.slice(r,e+10);try{let e=m(n,"hdrgm:GainMapMin","0"),t=m(n,"hdrgm:GainMapMax"),r=m(n,"hdrgm:Gamma","1"),a=m(n,"hdrgm:OffsetSDR","0.015625"),i=m(n,"hdrgm:OffsetHDR","0.015625"),o=/hdrgm:HDRCapacityMin="([^"]*)"/.exec(n),s=o?o[1]:"0",l=/hdrgm:HDRCapacityMax="([^"]*)"/.exec(n);if(!l)throw Error("Incomplete gainmap metadata");let d=l[1];return{gainMapMin:Array.isArray(e)?e.map(e=>parseFloat(e)):[parseFloat(e),parseFloat(e),parseFloat(e)],gainMapMax:Array.isArray(t)?t.map(e=>parseFloat(e)):[parseFloat(t),parseFloat(t),parseFloat(t)],gamma:Array.isArray(r)?r.map(e=>parseFloat(e)):[parseFloat(r),parseFloat(r),parseFloat(r)],offsetSdr:Array.isArray(a)?a.map(e=>parseFloat(e)):[parseFloat(a),parseFloat(a),parseFloat(a)],offsetHdr:Array.isArray(i)?i.map(e=>parseFloat(e)):[parseFloat(i),parseFloat(i),parseFloat(i)],hdrCapacityMin:parseFloat(s),hdrCapacityMax:parseFloat(d)}}catch(e){}r=t.indexOf("<x:xmpmeta",e)}})(e);if(!t)throw new g("Gain map XMP metadata not found");let r=new v({extractFII:!0,extractNonFII:!0}),n=await r.extract(e);if(2!==n.length)throw new p("Gain map recovery image not found");return{sdr:new Uint8Array(await n[0].arrayBuffer()),gainMap:new Uint8Array(await n[1].arrayBuffer()),metadata:t}},w=e=>new Promise((t,r)=>{let n=document.createElement("img");n.onload=()=>{t(n)},n.onerror=e=>{r(e)},n.src=URL.createObjectURL(e)});class b extends s.aHM{_renderer;_renderTargetOptions;_internalLoadingManager;_config;constructor(e,t){super(t),this._config=e,e.renderer&&(this._renderer=e.renderer),this._internalLoadingManager=new s.KPJ}setRenderer(e){return this._renderer=e,this}setRenderTargetOptions(e){return this._renderTargetOptions=e,this}prepareQuadRenderer(){this._renderer||console.warn("WARNING: A Renderer was not passed to this Loader constructor or in setRenderer, the result of this Loa
1der will need to be converted to a Data Texture with toDataTexture() before you can use it in your renderer.");let e=this._config.createMaterial({gainMapMax:[1,1,1],gainMapMin:[0,0,0],gamma:[1,1,1],offsetHdr:[1,1,1],offsetSdr:[1,1,1],hdrCapacityMax:1,hdrCapacityMin:0,maxDisplayBoost:1,gainMap:new s.gPd,sdr:new s.gPd});return this._config.createQuadRenderer({width:16,height:16,type:s.ix0,colorSpace:s.Zr2,material:e,renderer:this._renderer,renderTargetOptions:this._renderTargetOptions})}async processImages(e,t,r){let n,a,i=t?new Blob([t],{type:"image/jpeg"}):void 0,o=new Blob([e],{type:"image/jpeg"}),s=!1;if("undefined"==typeof createImageBitmap){let e=await Promise.all([i?w(i):Promise.resolve(void 0),w(o)]);a=e[0],n=e[1],s="flipY"===r}else{let e=await Promise.all([i?createImageBitmap(i,{imageOrientation:r||"flipY"}):Promise.resolve(void 0),createImageBitmap(o,{imageOrientation:r||"flipY"})]);a=e[0],n=e[1]}return{sdrImage:n,gainMapImage:a,needsFlip:s}}createTextures(e,t,r){let n=new s.gPd(t||new ImageData(2,2),s.UTZ,s.ghU,s.ghU,s.k6q,s.NZq,s.GWd,s.OUM,1,s.Zr2);n.flipY=r,n.needsUpdate=!0;let a=new s.gPd(e,s.UTZ,s.ghU,s.ghU,s.k6q,s.NZq,s.GWd,s.OUM,1,s.er$);return a.flipY=r,a.needsUpdate=!0,{gainMap:n,sdr:a}}updateQuadRenderer(e,t,r,n,a){e.width=t.width,e.height=t.height,e.material.gainMap=r,e.material.sdr=n,e.material.gainMapMin=a.gainMapMin,e.material.gainMapMax=a.gainMapMax,e.material.offsetHdr=a.offsetHdr,e.material.offsetSdr=a.offsetSdr,e.material.gamma=a.gamma,e.material.hdrCapacityMin=a.hdrCapacityMin,e.material.hdrCapacityMax=a.hdrCapacityMax,e.material.maxDisplayBoost=Math.pow(2,a.hdrCapacityMax),e.material.needsUpdate=!0}}let _=` 2varying vec2 vUv; 3 4void main() { 5 vUv = uv; 6 gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0); 7} 8`,x=` 9// min half float value 10#define HALF_FLOAT_MIN vec3( -65504, -65504, -65504 ) 11// max half float value 12#define HALF_FLOAT_MAX vec3( 65504, 65504, 65504 ) 13 14uniform sampler2D sdr; 15uniform sampler2D gainMap; 16uniform vec3 gamma; 17uniform vec3 offsetHdr; 18uniform vec3 offsetSdr; 19uniform vec3 gainMapMin; 20uniform vec3 gainMapMax; 21uniform float weightFactor; 22 23varying vec2 vUv; 24 25void main() { 26 vec3 rgb = texture2D( sdr, vUv ).rgb; 27 vec3 recovery = texture2D( gainMap, vUv ).rgb; 28 vec3 logRecovery = pow( recovery, gamma ); 29 vec3 logBoost = gainMapMin * ( 1.0 - logRecovery ) + gainMapMax * logRecovery; 30 vec3 hdrColor = (rgb + offsetSdr) * exp2( logBoost * weightFactor ) - offsetHdr; 31 vec3 clampedHdrColor = max( HALF_FLOAT_MIN, min( HALF_FLOAT_MAX, hdrColor )); 32 gl_FragColor = vec4( clampedHdrColor , 1.0 ); 33} 34`;class M extends s.BKk{_maxDisplayBoost;_hdrCapacityMin;_hdrCapacityMax;constructor({gamma:e,offsetHdr:t,offsetSdr:r,gainMapMin:n,gainMapMax:a,maxDisplayBoost:i,hdrCapacityMin:o,hdrCapacityMax:l,sdr:d,gainMap:u}){super({name:"GainMapDecoderMaterial",vertexShader:_,fragmentShader:x,uniforms:{sdr:{value:d},gainMap:{value:u},gamma:{value:new s.Pq0(1/e[0],1/e[1],1/e[2])},offsetHdr:{value:new s.Pq0().fromArray(t)},offsetSdr:{value:new s.Pq0().fromArray(r)},gainMapMin:{value:new s.Pq0().fromArray(n)},gainMapMax:{value:new s.Pq0().fromArray(a)},weightFactor:{value:(Math.log2(i)-o)/(l-o)}},blending:s.XIg,depthTest:!1,depthWrite:!1}),this._maxDisplayBoost=i,this._hdrCapacityMin=o,this._hdrCapacityMax=l,this.needsUpdate=!0,this.uniformsNeedUpdate=!0}get sdr(){return this.uniforms.sdr.value}set sdr(e){this.uniforms.sdr.value=e}get gainMap(){return this.uniforms.gainMap.value}set gainMap(e){this.uniforms.gainMap.value=e}get offsetHdr(){return this.uniforms.offsetHdr.value.toArray()}set offsetHdr(e){this.uniforms.offsetHdr.value.fromArray(e)}get offsetSdr(){return this.uniforms.offsetSdr.value.toArray()}set offsetSdr(e){this.uniforms.offsetSdr.value.fromArray(e)}get gainMapMin(){return this.uniforms.gainMapMin.value.toArray()}set gainMapMin(e){this.uniforms.gainMapMin.value.fromArray(e)}get gainMapMax(){return this.uniforms.gainMapMax.value.toArray()}set gainMapMax(e){this.uniforms.gainMapMax.value.fromArray(e)}get gamma(){let e=this.uniforms.gamma.value;return[1/e.x,1/e.y,1/e.z]}set gamma(e){let t=this.uniforms.gamma.value;t.x=1/e[0],t.y=1/e[1],t.z=1/e[2]}get hdrCapacityMin(){return this._hdrCapacityMin}set hdrCapacityMin(e){this._hdrCapacityMin=e,this.calculateWeight()}get hdrCapacityMax(){return this._hdrCapacityMax}set hdrCapacityMax(e){this._hdrCapacityMax=e,this.calculateWeight()}get maxDisplayBoost(){return this._maxDisplayBoost}set maxDisplayBoost(e){this._maxDisplayBoost=Math.max(1,Math.min(65504,e)),this.calculateWeight()}calculateWeight(){let e=(Math.log2(this._maxDisplayBoost)-this._hdrCapacityMin)/(this._hdrCapacityMax-this._hdrCapacityMin);this.uniforms.weightFactor.value=Math.max(0,Math.min(1,e))}}!l.WebGLRenderer;class E extends b{constructor(e,t){super({renderer:e,createMaterial:e=>new M(e),createQuadRenderer:e=>new h(e)},t)}async render(e,t,r,n){let{sdrImage:a,gainMapImage:i,needsFlip:o}=await this.processImages(r,n,"flipY"),{gainMap:s,sdr:l}=this.createTextures(a,i,o);this.updateQuadRenderer(e,a,s,l,t),e.render()}}
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