vendor: 10,341 bytes, line 1
1import{L as S}from"./bufferUtils-DTRdUD8L.js";import{A as G}from"./workerPool-CfMXSLnf.js";import{T as _}from"./tools-D01N7ptR.js";import"./math.vector-C1xyPDEl.js";import"./math.scalar.functions-DkeaWAWz.js";import"./decorators.serialization-C7d7ykGG.js";import"./math.color-CzLaKyb6.js";class d{constructor(s,e){if(this.data=s,this.isInvalid=!1,!d.IsValid(s)){this.isInvalid=!0,S.Error("texture missing KTX identifier");return}const i=Uint32Array.BYTES_PER_ELEMENT,r=new DataView(this.data.buffer,this.data.byteOffset+12,13*i),a=r.getUint32(0,!0)===67305985;if(this.glType=r.getUint32(1*i,a),this.glTypeSize=r.getUint32(2*i,a),this.glFormat=r.getUint32(3*i,a),this.glInternalFormat=r.getUint32(4*i,a),this.glBaseInternalFormat=r.getUint32(5*i,a),this.pixelWidth=r.getUint32(6*i,a),this.pixelHeight=r.getUint32(7*i,a),this.pixelDepth=r.getUint32(8*i,a),this.numberOfArrayElements=r.getUint32(9*i,a),this.numberOfFaces=r.getUint32(10*i,a),this.numberOfMipmapLevels=r.getUint32(11*i,a),this.bytesOfKeyValueData=r.getUint32(12*i,a),this.glType!==0){S.Error("only compressed formats currently supported"),this.isInvalid=!0;return}else this.numberOfMipmapLevels=Math.max(1,this.numberOfMipmapLevels);if(this.pixelHeight===0||this.pixelDepth!==0){S.Error("only 2D textures currently supported"),this.isInvalid=!0;return}if(this.numberOfArrayElements!==0){S.Error("texture arrays not currently supported"),this.isInvalid=!0;return}if(this.numberOfFaces!==e){S.Error("number of faces expected"+e+", but found "+this.numberOfFaces),this.isInvalid=!0;return}this.loadType=d.COMPRESSED_2D}uploadLevels(s,e){switch(this.loadType){case d.COMPRESSED_2D:this._upload2DCompressedLevels(s,e);break}}_upload2DCompressedLevels(s,e){let i=d.HEADER_LEN+this.bytesOfKeyValueData,r=this.pixelWidth,c=this.pixelHeight;const a=e?this.numberOfMipmapLevels:1;for(let f=0;f<a;f++){const l=new Int32Array(this.data.buffer,this.data.byteOffset+i,1)[0];i+=4;for(let R=0;R<this.numberOfFaces;R++){const T=new Uint8Array(this.data.buffer,this.data.byteOffset+i,l);s.getEngine()._uploadCompressedDataToTextureDirectly(s,s.format,r,c,T,R,f),i+=l,i+=3-(l+3)%4}r=Math.max(1,r*.5),c=Math.max(1,c*.5)}}static IsValid(s){if(s.byteLength>=12){const e=new Uint8Array(s.buffer,s.byteOffset,12);if(e[0]===171&&e[1]===75&&e[2]===84&&e[3]===88&&e[4]===32&&e[5]===49&&e[6]===49&&e[7]===187&&e[8]===13&&e[9]===10&&e[10]===26&&e[11]===10)return!0}return!1}}d.HEADER_LEN=64;d.COMPRESSED_2D=0;d.COMPRESSED_3D=1;d.TEX_2D=2;d.TEX_3D=3;var h;(function(t){t[t.ETC1S=0]="ETC1S",t[t.UASTC4x4=1]="UASTC4x4"})(h||(h={}));var n;(function(t){t[t.ASTC_4X4_RGBA=0]="ASTC_4X4_RGBA",t[t.ASTC_4x4_RGBA=0]="ASTC_4x4_RGBA",t[t.BC7_RGBA=1]="BC7_RGBA",t[t.BC3_RGBA=2]="BC3_RGBA",t[t.BC1_RGB=3]="BC1_RGB",t[t.PVRTC1_4_RGBA=4]="PVRTC1_4_RGBA",t[t.PVRTC1_4_RGB=5]="PVRTC1_4_RGB",t[t.ETC2_RGBA=6]="ETC2_RGBA",t[t.ETC1_RGB=7]="ETC1_RGB",t[t.RGBA32=8]="RGBA32",t[t.R8=9]="R8",t[t.RG8=10]="RG8"})(n||(n={}));var U;(function(t){t[t.COMPRESSED_RGBA_BPTC_UNORM_EXT=36492]="COMPRESSED_RGBA_BPTC_UNORM_EXT",t[t.COMPRESSED_RGBA_ASTC_4X4_KHR=37808]="COMPRESSED_RGBA_ASTC_4X4_KHR",t[t.COMPRESSED_RGB_S3TC_DXT1_EXT=33776]="COMPRESSED_RGB_S3TC_DXT1_EXT",t[t.COMPRESSED_RGBA_S3TC_DXT5_EXT=33779]="COMPRESSED_RGBA_S3TC_DXT5_EXT",t[t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG=35842]="COMPRESSED_RGBA_PVRTC_4BPPV1_IMG",t[t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG=35840]="COMPRESSED_RGB_PVRTC_4BPPV1_IMG",t[t.COMPRESSED_RGBA8_ETC2_EAC=37496]="COMPRESSED_RGBA8_ETC2_EAC",t[t.COMPRESSED_RGB8_ETC2=37492]="COMPRESSED_RGB8_ETC2",t[t.COMPRESSED_RGB_ETC1_WEBGL=36196]="COMPRESSED_RGB_ETC1_WEBGL",t[t.RGBA8Format=32856]="RGBA8Format",t[t.R8Format=33321]="R8Format",t[t.RG8Format=33323]="RG8Format"})(U||(U={}));function A(t,s){const e=(s==null?void 0:s.jsDecoderModule)||KTX2DECODER;t&&(t.wasmBaseUrl&&(e.Transcoder.WasmBaseUrl=t.wasmBaseUrl),t.wasmUASTCToASTC&&(e.LiteTranscoder_UASTC_ASTC.WasmModuleURL=t.wasmUASTCToASTC),t.wasmUASTCToBC7&&(e.LiteTranscoder_UASTC_BC7.WasmModuleURL=t.wasmUASTCToBC7),t.wasmUASTCToRGBA_UNORM&&(e.LiteTranscoder_UASTC_RGBA_UNORM.WasmModuleURL=t.wasmUASTCToRGBA_UNORM),t.wasmUASTCToRGBA_SRGB&&(e.LiteTranscoder_UASTC_RGBA_SRGB.WasmModuleURL=t.wasmUASTCToRGBA_SRGB),t.wasmUASTCToR8_UNORM&&(e.LiteTranscoder_UASTC_R8_UNORM.WasmModuleURL=t.wasmUASTCToR8_UNORM),t.wasmUASTCToRG8_UNORM&&(e.LiteTranscoder_UASTC_RG8_UNORM.WasmModuleURL=t.wasmUASTCToRG8_UNORM),t.jsMSCTranscoder&&(e.MSCTranscoder.JSModuleURL=t.jsMSCTranscoder),t.wasmMSCTranscoder&&(e.MSCTranscoder.WasmModuleURL=t.wasmMSCTranscoder),t.wasmZSTDDecoder&&(e.ZSTDDecoder.WasmModuleURL=t.wasmZSTDDecoder)),s&&(s.wasmUASTCToASTC&&(e.LiteTranscoder_UASTC_ASTC.WasmBinary=s.wasmUASTCToASTC),s.wasmUASTCToBC7&&(e.LiteTranscoder_UASTC_BC7.WasmBinary=s.wasmUASTCToBC7),s.wasmUASTCToRGBA_UNORM&&(e.LiteTranscoder_UASTC_RGBA_UNORM.WasmBinary=s.wasmUASTCToRGBA_UNORM),s.wasmUASTCToRGBA_SRGB&&(e.LiteTranscoder_UASTC_RGBA_SRGB.WasmBinary=s.wasmUASTCToRGBA_SRGB),s.wasmUASTCToR8_UNORM&&(e.LiteTranscoder_UASTC_R8_UNORM.WasmBinary=s.wasmUASTCToR8_UNORM),s.wasmUASTCToRG8_UNORM&&(e.LiteTranscoder_UASTC_RG8_UNORM.WasmBinary=s.wasmUASTCToRG8_UNORM),s.jsMSCTranscoder&&(e.MSCTranscoder.JSModule=s.jsMSCTranscoder),s.wasmMSCTranscoder&&(e.MSCTranscoder.WasmBinary=s.wasmMSCTranscoder),s.wasmZSTDDecoder&&(e.ZSTDDecoder.WasmBinary=s.wasmZSTDDecoder))}function u(t){typeof t>"u"&&typeof KTX2DECODER<"u"&&(t=KTX2DECODER);let s;onmessage=e=>{if(e.data)switch(e.data.action){case"init":{const i=e.data.urls;i&&(i.jsDecoderModule&&typeof t>"u"&&(importScripts(i.jsDecoderModule),t=KTX2DECODER),A(i)),e.data.wasmBinaries&&A(void 0,{...e.data.wasmBinaries,jsDecoderModule:t}),s=new t.KTX2Decoder,postMessage({action:"init"});break}case"setDefaultDecoderOptions":{t.KTX2Decoder.DefaultDecoderOptions=e.data.options;break}case"decode":s.decode(e.data.data,e.data.caps,e.data.options).then(i=>{const r=[];for(let c=0;c<i.mipmaps.length;++c){const a=i.mipmaps[c];a&&a.data&&r.push(a.data.buffer)}postMessage({action:"decoded",success:!0,decodedData:i},r)}).catch(i=>{postMessage({action:"decoded",success:!1,msg:i})});break}}}async function M(t,s,e){return await new Promise((i,r)=>{const c=f=>{t.removeEventListener("error",c),t.removeEventListener("message",a),r(f)},a=f=>{f.data.action==="init"&&(t.removeEventListener("error",c),t.removeEventListener("message",a),i(t))};t.addEventListener("error",c),t.addEventListener("message",a),t.postMessage({action:"init",urls:e,wasmBinaries:s})})}class y{constructor(){this._isDirty=!0,this._useRGBAIfOnlyBC1BC3AvailableWhenUASTC=!0,this._ktx2DecoderOptions={}}get isDirty(){return this._isDirty}get useRGBAIfASTCBC7NotAvailableWhenUASTC(){return this._useRGBAIfASTCBC7NotAvailableWhenUASTC}set useRGBAIfASTCBC7NotAvailableWhenUASTC(s){this._useRGBAIfASTCBC7NotAvailableWhenUASTC!==s&&(this._useRGBAIfASTCBC7NotAvailableWhenUASTC=s,this._isDirty=!0)}get useRGBAIfOnlyBC1BC3AvailableWhenUASTC(){return this._useRGBAIfOnlyBC1BC3AvailableWhenUASTC}set useRGBAIfOnlyBC1BC3AvailableWhenUASTC(s){this._useRGBAIfOnlyBC1BC3AvailableWhenUASTC!==s&&(this._useRGBAIfOnlyBC1BC3AvailableWhenUASTC=s,this._isDirty=!0)}get forceRGBA(){return this._forceRGBA}set forceRGBA(s){this._forceRGBA!==s&&(this._forceRGBA=s,this._isDirty=!0)}get forceR8(){return this._forceR8}set forceR8(s){this._forceR8!==s&&(this._forceR8=s,this._isDirty=!0)}get forceRG8(){return this._forceRG8}set forceRG8(s){this._forceRG8!==s&&(this._forceRG8=s,this._isDirty=!0)}get bypassTranscoders(){return this._bypassTranscoders}set bypassTranscoders(s){this._bypassTranscoders!==s&&(this._bypassTranscoders=s,this._isDirty=!0)}_getKTX2DecoderOptions(){if(!this._isDirty)return this._ktx2DecoderOptions;this._isDirty=!1;const s={};return this._useRGBAIfASTCBC7NotAvailableWhenUASTC!==void 0&&(s.useRGBAIfASTCBC7NotAvailableWhenUASTC=this._useRGBAIfASTCBC7NotAvailableWhenUASTC),this._forceRGBA!==void 0&&(s.forceRGBA=this._forceRGBA),this._forceR8!==void 0&&(s.forceR8=this._forceR8),this._forceRG8!==void 0&&(s.forceRG8=this._forceRG8),this._bypassTranscoders!==void 0&&(s.bypassTranscoders=this._bypassTranscoders),this.useRGBAIfOnlyBC1BC3AvailableWhenUASTC&&(s.transcodeFormatDecisionTree={UASTC:{transcodeFormat:[n.BC1_RGB,n.BC3_RGBA],yes:{transcodeFormat:n.RGBA32,engineFormat:32856,roundToMultiple4:!1}}}),this._ktx2DecoderOptions=s,s}}class o{static GetDefaultNumWorkers(){return typeof navigator!="object"||!navigator.hardwareConcurrency?1:Math.min(Math.floor(navigator.hardwareConcurrency*.5),4)}static _Initialize(s){if(o._WorkerPoolPromise||o._DecoderModulePromise)return;const e={wasmBaseUrl:_.ScriptBaseUrl,jsDecoderModule:_.GetBabylonScriptURL(this.URLConfig.jsDecoderModule,!0),wasmUASTCToASTC:_.GetBabylonScriptURL(this.URLConfig.wasmUASTCToASTC,!0),wasmUASTCToBC7:_.GetBabylonScriptURL(this.URLConfig.wasmUASTCToBC7,!0),wasmUASTCToRGBA_UNORM:_.GetBabylonScriptURL(this.URLConfig.wasmUASTCToRGBA_UNORM,!0),wasmUASTCToRGBA_SRGB:_.GetBabylonScriptURL(this.URLConfig.wasmUASTCToRGBA_SRGB,!0),wasmUASTCToR8_UNORM:_.GetBabylonScriptURL(this.URLConfig.wasmUASTCToR8_UNORM,!0),wasmUASTCToRG8_UNORM:_.GetBabylonScriptURL(this.URLConfig.wasmUASTCToRG8_UNORM,!0),jsMSCTranscoder:_.GetBabylonScriptURL(this.URLConfig.jsMSCTranscoder,!0),wasmMSCTranscoder:_.GetBabylonScriptURL(this.URLConfig.wasmMSCTranscoder,!0),wasmZSTDDecoder:_.GetBabylonScriptURL(this.URLConfig.wasmZSTDDecoder,!0)};s&&typeof Worker=="function"&&typeof URL<"u"?o._WorkerPoolPromise=new Promise(i=>{const r=`${A}(${u})()`,c=URL.createObjectURL(new Blob([r],{type:"application/javascript"}));i(new G(s,async()=>await M(new Worker(c),void 0,e)))}):typeof o._KTX2DecoderModule>"u"?o._DecoderModulePromise=_.LoadBabylonScriptAsync(e.jsDecoderModule).then(()=>(o._KTX2DecoderModule=KTX2DECODER,o._KTX2DecoderModule.MSCTranscoder.UseFromWorkerThread=!1,o._KTX2DecoderModule.WASMMemoryManager.LoadBinariesFromCurrentThread=!0,A(e,o._KTX2DecoderModule),new o._KTX2DecoderModule.KTX2Decoder)):(o._KTX2DecoderModule.MSCTranscoder.UseFromWorkerThread=!1,o._KTX2DecoderModule.WASMMemoryManager.LoadBinariesFromCurrentThread=!0,o._DecoderModulePromise=Promise.resolve(new o._KTX2DecoderModule.KTX2Decoder))}constructor(s,e=o.DefaultNumWorkers){var r;this._engine=s;const i=typeof e=="object"&&e.workerPool||o.WorkerPool;if(i)o._WorkerPoolPromise=Promise.resolve(i);else{typeof e=="object"?o._KTX2DecoderModule=(r=e==null?void 0:e.b
1inariesAndModulesContainer)==null?void 0:r.jsDecoderModule:typeof KTX2DECODER<"u"&&(o._KTX2DecoderModule=KTX2DECODER);const c=typeof e=="number"?e:e.numWorkers??o.DefaultNumWorkers;o._Initialize(c)}}async _uploadAsync(s,e,i){const r=this._engine.getCaps(),c={astc:!!r.astc,bptc:!!r.bptc,s3tc:!!r.s3tc,pvrtc:!!r.pvrtc,etc2:!!r.etc2,etc1:!!r.etc1};if(o._WorkerPoolPromise){const a=await o._WorkerPoolPromise;return await new Promise((f,l)=>{a.push((R,T)=>{const C=m=>{R.removeEventListener("error",C),R.removeEventListener("message",p),l(m),T()},p=m=>{if(m.data.action==="decoded"){if(R.removeEventListener("error",C),R.removeEventListener("message",p),!m.data.success)l({message:m.data.msg});else try{this._createTexture(m.data.decodedData,e,i),f()}catch(D){l({message:D})}T()}};R.addEventListener("error",C),R.addEventListener("message",p),R.postMessage({action:"setDefaultDecoderOptions",options:o.DefaultDecoderOptions._getKTX2DecoderOptions()});const B=new Uint8Array(s.byteLength);B.set(new Uint8Array(s.buffer,s.byteOffset,s.byteLength)),R.postMessage({action:"decode",data:B,caps:c,options:i},[B.buffer])})})}else if(o._DecoderModulePromise){const a=await o._DecoderModulePromise;return o.DefaultDecoderOptions.isDirty&&(o._KTX2DecoderModule.KTX2Decoder.DefaultDecoderOptions=o.DefaultDecoderOptions._getKTX2DecoderOptions()),await new Promise((f,l)=>{a.decode(s,r).then(R=>{this._createTexture(R,e),f()}).catch(R=>{l({message:R})})})}throw new Error("KTX2 decoder module is not available")}_createTexture(s,e,i){this._engine._bindTextureDirectly(3553,e),i&&(i.transcodedFormat=s.transcodedFormat,i.isInGammaSpace=s.isInGammaSpace,i.hasAlpha=s.hasAlpha,i.transcoderName=s.transcoderName);let c=!0;switch(s.transcodedFormat){case 32856:e.type=0,e.format=5;break;case 33321:e.type=0,e.format=6;break;case 33323:e.type=0,e.format=7;break;default:e.format=s.transcodedFormat,c=!1;break}if(e._gammaSpace=s.isInGammaSpace,e.generateMipMaps=s.mipmaps.length>1,e.width=s.mipmaps[0].width,e.height=s.mipmaps[0].height,s.errors)throw new Error("KTX2 container - could not transcode the data. "+s.errors);for(let a=0;a<s.mipmaps.length;++a){const f=s.mipmaps[a];if(!f||!f.data)throw new Error("KTX2 container - could not transcode one of the image");c?(e.width=f.width,e.height=f.height,this._engine._uploadDataToTextureDirectly(e,f.data,0,a,void 0,!0)):this._engine._uploadCompressedDataToTextureDirectly(e,s.transcodedFormat,f.width,f.height,f.data,0,a)}e._extension=".ktx2",e.isReady=!0,this._engine._bindTextureDirectly(3553,null)}static IsValid(s){if(s.byteLength>=12){const e=new Uint8Array(s.buffer,s.byteOffset,12);if(e[0]===171&&e[1]===75&&e[2]===84&&e[3]===88&&e[4]===32&&e[5]===50&&e[6]===48&&e[7]===187&&e[8]===13&&e[9]===10&&e[10]===26&&e[11]===10)return!0}return!1}}o.URLConfig={jsDecoderModule:"https://cdn.babylonjs.com/babylon.ktx2Decoder.js",wasmUASTCToASTC:null,wasmUASTCToBC7:null,wasmUASTCToRGBA_UNORM:null,wasmUASTCToRGBA_SRGB:null,wasmUASTCToR8_UNORM:null,wasmUASTCToRG8_UNORM:null,jsMSCTranscoder:null,wasmMSCTranscoder:null,wasmZSTDDecoder:null};o.DefaultNumWorkers=o.GetDefaultNumWorkers();o.DefaultDecoderOptions=new y;function w(t){switch(t){case 35916:return 33776;case 35918:return 33778;case 35919:return 33779;case 37493:return 37492;case 37497:return 37496;case 37495:return 37494;case 37840:return 37808;case 36493:return 36492}return null}class W{constructor(){this.supportCascades=!1}loadCubeData(s,e,i,r){if(Array.isArray(s))return;e._invertVScale=!e.invertY;const c=e.getEngine(),a=new d(s,6),f=a.numberOfMipmapLevels>1&&e.generateMipMaps;c._unpackFlipY(!0),a.uploadLevels(e,e.generateMipMaps),e.width=a.pixelWidth,e.height=a.pixelHeight,c._setCubeMapTextureParams(e,f,a.numberOfMipmapLevels-1),e.isReady=!0,e.onLoadedObservable.notifyObservers(e),e.onLoadedObservable.clear(),r&&r()}loadData(s,e,i,r){if(d.IsValid(s)){e._invertVScale=!e.invertY;const c=new d(s,1),a=w(c.glInternalFormat);a?(e.format=a,e._useSRGBBuffer=e.getEngine()._getUseSRGBBuffer(!0,e.generateMipMaps),e._gammaSpace=!0):e.format=c.glInternalFormat,i(c.pixelWidth,c.pixelHeight,e.generateMipMaps,!0,()=>{c.uploadLevels(e,e.generateMipMaps)},c.isInvalid)}else o.IsValid(s)?new o(e.getEngine())._uploadAsync(s,e,r).then(()=>{i(e.width,e.height,e.generateMipMaps,!0,()=>{},!1)},a=>{S.Warn(`Failed to load KTX2 texture data: ${a.message}`),i(0,0,!1,!1,()=>{},!0)}):(S.Error("texture missing KTX identifier"),i(0,0,!1,!1,()=>{},!0))}}export{W as _KTXTextureLoader};
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.