@kibeo/loaders.gl-textures/dist/dist.min.js

Framework-independent loaders for compressed and super compressed (basis) textures

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_("basis_transcoder.wasm","textures",t)]),e=e||globalThis.BASIS,await function(t,e){const n={};e&&(n.wasmBinary=e);return new Promise(e=>{t(n).then(t=>{const{BasisFile:n,initializeBasis:r}=t;r(),e({BasisFile:n})})})}(e,n)}(t),await a)}const c={COMPRESSED_RGB_S3TC_DXT1_EXT:33776,COMPRESSED_RGBA_S3TC_DXT1_EXT:33777,COMPRESSED_RGBA_S3TC_DXT3_EXT:33778,COMPRESSED_RGBA_S3TC_DXT5_EXT:33779,COMPRESSED_R11_EAC:37488,COMPRESSED_SIGNED_R11_EAC:37489,COMPRESSED_RG11_EAC:37490,COMPRESSED_SIGNED_RG11_EAC:37491,COMPRESSED_RGB8_ETC2:37492,COMPRESSED_RGBA8_ETC2_EAC:37493,COMPRESSED_SRGB8_ETC2:37494,COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:37495,COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:37496,COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:37497,COMPRESSED_RGB_PVRTC_4BPPV1_IMG:35840,COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:35842,COMPRESSED_RGB_PVRTC_2BPPV1_IMG:35841,COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:35843,COMPRESSED_RGB_ETC1_WEBGL:36196,COMPRESSED_RGB_ATC_WEBGL:35986,COMPRESSED_RGBA_ATC_EXPLICIT_ALPHA_WEBGL:35987,COMPRESSED_RGBA_ATC_INTERPOLATED_ALPHA_WEBGL:34798,COMPRESSED_RGBA_ASTC_4X4_KHR:37808,COMPRESSED_RGBA_ASTC_5X4_KHR:37809,COMPRESSED_RGBA_ASTC_5X5_KHR:37810,COMPRESSED_RGBA_ASTC_6X5_KHR:37811,COMPRESSED_RGBA_ASTC_6X6_KHR:37812,COMPRESSED_RGBA_ASTC_8X5_KHR:37813,COMPRESSED_RGBA_ASTC_8X6_KHR:37814,COMPRESSED_RGBA_ASTC_8X8_KHR:37815,COMPRESSED_RGBA_ASTC_10X5_KHR:37816,COMPRESSED_RGBA_ASTC_10X6_KHR:37817,COMPRESSED_RGBA_ASTC_10X8_KHR:37818,COMPRESSED_RGBA_ASTC_10X10_KHR:37819,COMPRESSED_RGBA_ASTC_12X10_KHR:37820,COMPRESSED_RGBA_ASTC_12X12_KHR:37821,COMPRESSED_SRGB8_ALPHA8_ASTC_4X4_KHR:37840,COMPRESSED_SRGB8_ALPHA8_ASTC_5X4_KHR:37841,COMPRESSED_SRGB8_ALPHA8_ASTC_5X5_KHR:37842,COMPRESSED_SRGB8_ALPHA8_ASTC_6X5_KHR:37843,COMPRESSED_SRGB8_ALPHA8_ASTC_6X6_KHR:37844,COMPRESSED_SRGB8_ALPHA8_ASTC_8X5_KHR:37845,COMPRESSED_SRGB8_ALPHA8_ASTC_8X6_KHR:37846,COMPRESSED_SRGB8_ALPHA8_ASTC_8X8_KHR:37847,COMPRESSED_SRGB8_ALPHA8_ASTC_10X5_KHR:37848,COMPRESSED_SRGB8_ALPHA8_ASTC_10X6_KHR:37849,COMPRESSED_SRGB8_ALPHA8_ASTC_10X8_KHR:37850,COMPRESSED_SRGB8_ALPHA8_ASTC_10X10_KHR:37851,COMPRESSED_SRGB8_ALPHA8_ASTC_12X10_KHR:37852,COMPRESSED_SRGB8_ALPHA8_ASTC_12X12_KHR:37853,COMPRESSED_RED_RGTC1_EXT:36283,COMPRESSED_SIGNED_RED_RGTC1_EXT:36284,COMPRESSED_RED_GREEN_RGTC2_EXT:36285,COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT:36286,COMPRESSED_SRGB_S3TC_DXT1_EXT:35916,COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:35917,COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:35918,COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:35919},S={etc1:{basisFormat:0,compressed:!0},etc2:{basisFormat:1,compressed:!0},bc1:{basisFormat:2,compressed:!0,format:c.COMPRESSED_RGB_S3TC_DXT1_EXT},bc3:{basisFormat:3,compressed:!0,format:c.COMPRESSED_RGBA_S3TC_DXT5_EXT},bc4:{basisFormat:4,compressed:!0},bc5:{basisFormat:5,compressed:!0},"bc7-m6-opaque-only":{basisFormat:6,compressed:!0},"bc7-m5":{basisFormat:7,compressed:!0},"pvrtc1-4-rgb":{basisFormat:8,compressed:!0},"pvrtc1-4-rgba":{basisFormat:9,compressed:!0},"astc-4x4":{basisFormat:10,compressed:!0},"atc-rgb":{basisFormat:11,compressed:!0},"atc-rgba-interpolated-alpha":{basisFormat:12,compressed:!0},rgba32:{basisFormat:13,compressed:!1},rgb565:{basisFormat:14,compressed:!1},bgr565:{basisFormat:15,compressed:!1},rgba4444:{basisFormat:16,compressed:!1}};function u(t,e,n,r){const i=t.getImageWidth(e,n),o=t.getImageHeight(e,n),_=t.getHasAlpha(),{compressed:a,format:s,basisFormat:c}=function(t,e){let n=t&&t.basis&&t.basis.format;return"object"==typeof n&&(n=e?n.alpha:n.noAlpha),n=n.toLowerCase(),S[n]}(r,_),u=t.getImageTranscodedSizeInBytes(e,n,c),E=new Uint8Array(u);return t.transcodeImage(E,e,n,c,0,0)?{width:i,height:o,data:E,compressed:a,hasAlpha:_,format:s}:null}const E={name:"Basis",id:"basis",module:"textures",version:"3.0.17",worker:!0,extensions:["basis"],mimeTypes:["application/octet-stream"],tests:["sB"],binary:!0,options:{basis:{format:"rgb565",libraryPath:"libs/"}}},R={...E,parse:async function(t,e){const{BasisFile:n}=await s(e),r=new n(new Uint8Array(t));try{if(!r.startTranscoding())return null;const t=r.getNumImages(),n=[];for(let i=0;i<t;i++){const t=r.getNumLevels(i),o=[];for(let n=0;n<t;n++)o.push(u(r,i,n,e));n.push(o)}return n}finally{r.close(),r.delete()}}},f=(new Uint8Array([0]),[171,75,84,88,32,50,48,187,13,10,26,10]);var l,A,C,d,T,m,P,h;!function(t){t[t.NONE=0]="NONE",t[t.BASISLZ=1]="BASISLZ",t[t.ZSTD=2]="ZSTD",t[t.ZLIB=3]="ZLIB"}(l||(l={})),function(t){t[t.BASICFORMAT=0]="BASICFORMAT"}(A||(A={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.ETC1S=163]="ETC1S",t[t.UASTC=166]="UASTC"}(C||(C={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.SRGB=1]="SRGB"}(d||(d={})),function(t){t[t.UNSPECIFIED=0]="UNSPECIFIED",t[t.LINEAR=1]="LINEAR",t[t.SRGB=2]="SRGB",t[t.ITU=3]="ITU",t[t.NTSC=4]="NTSC",t[t.SLOG=5]="SLOG",t[t.SLOG2=6]="SLOG2"}(T||(T={})),function(t){t[t.ALPHA_STRAIGHT=0]="ALPHA_STRAIGHT",t[t.ALPHA_PREMULTIPLIED=1]="ALPHA_PREMULTIPLIED"}(m||(m={})),function(t){t[t.RGB=0]="RGB",t[t.RRR=3]="RRR",t[t.GGG=4]="GGG",t[t.AAA=15]="AAA"}(P||(P={})),function(t){t[t.RGB=0]="RGB",t[t.RGBA=3]="RGBA",t[t.RRR=4]="RRR",t[t.RRRG=5]="RRRG"}(h||(h={}));class p{constructor(){this.vkFormat=0,this.typeSize=1,this.pixelWidth=0,this.pixelHeight=0,this.pixelDepth=0,this.layerCount=0,this.faceCount=1,this.supercompressionScheme=l.NONE,this.levels=[],this.dataFormatDescriptor=[{vendorId:0,descriptorType:A.BASICFORMAT,versionNumber:2,descriptorBlockSize:40,colorModel:C.UNSPECIFIED,colorPrimaries:d.SRGB,transferFunction:d.SRGB,flags:m.ALPHA_STRAIGHT,texelBlockDimension:{x:4,y:4,z:1,w:1},bytesPlane:[],samples:[]}],this.keyValue={},this.globalData=null}}class D{constructor(t,e,n,r){this._dataView=new DataView(t.buffer,t.byteOffset+e,n),this._littleEndian=r,this._offset=0}_nextUint8(){const t=this._dataView.getUint8(this._offset);return this._offset+=1,t}_nextUint16(){const t=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,t}_nextUint32(){const t=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,t}_nextUint64(){const t=this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataView.getUint32(this._offset+4,this._littleEndian);return this._offset+=8,t}_skip(t){return this._offset+=t,this}_scan(t,e=0){const n=this._offset;let r=0;for(;this._dataView.getUint8(this._offset)!==e&&r<t;)r++,this._offset++;return r<t&&this._offset++,new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+n,r)}}function M(t){return"undefined"!=typeof TextDecoder?(new TextDecoder).decode(t):Buffer.from(t).toString("utf8")}function g(t,e){const n=new Array(e.mipMapLevels);let r=e.width,i=e.height,o=0;for(let _=0;_<e.mipMapLevels;++_){const a=w(e,r,i,t,_),s=G(t,_,o,a);n[_]={compressed:!0,format:e.internalFormat,data:s,width:r,height:i,levelSize:a},r=Math.max(1,r>>1),i=Math.max(1,i>>1),o+=a}return n}function G(t,e,n,r){return Array.isArray(t)?t[e].levelData:new Uint8Array(t.buffer,t.byteOffset+n,r)}function w(t,e,n,r,i){return Array.isArray(r)?t.sizeFunction(r[i]):t.sizeFunction(e,n)}const 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