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tsg-web/public/Cesium/Workers/transcodeKTX2.js

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/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.132
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
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MAT_ASTC_6x6_SRGB_BLOCK:166,VK_FORMAT_ASTC_8x5_UNORM_BLOCK:167,VK_FORMAT_ASTC_8x5_SRGB_BLOCK:168,VK_FORMAT_ASTC_8x6_UNORM_BLOCK:169,VK_FORMAT_ASTC_8x6_SRGB_BLOCK:170,VK_FORMAT_ASTC_8x8_UNORM_BLOCK:171,VK_FORMAT_ASTC_8x8_SRGB_BLOCK:172,VK_FORMAT_ASTC_10x5_UNORM_BLOCK:173,VK_FORMAT_ASTC_10x5_SRGB_BLOCK:174,VK_FORMAT_ASTC_10x6_UNORM_BLOCK:175,VK_FORMAT_ASTC_10x6_SRGB_BLOCK:176,VK_FORMAT_ASTC_10x8_UNORM_BLOCK:177,VK_FORMAT_ASTC_10x8_SRGB_BLOCK:178,VK_FORMAT_ASTC_10x10_UNORM_BLOCK:179,VK_FORMAT_ASTC_10x10_SRGB_BLOCK:180,VK_FORMAT_ASTC_12x10_UNORM_BLOCK:181,VK_FORMAT_ASTC_12x10_SRGB_BLOCK:182,VK_FORMAT_ASTC_12x12_UNORM_BLOCK:183,VK_FORMAT_ASTC_12x12_SRGB_BLOCK:184,VK_FORMAT_G8B8G8R8_422_UNORM:1000156e3,VK_FORMAT_B8G8R8G8_422_UNORM:1000156001,VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM:1000156002,VK_FORMAT_G8_B8R8_2PLANE_420_UNORM:1000156003,VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM:1000156004,VK_FORMAT_G8_B8R8_2PLANE_422_UNORM:1000156005,VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM:1000156006,VK_FORMAT_R10X6_UNORM_PACK16:1000156007,VK_FORMAT_R10X6G10X6_UNORM_2PACK16:1000156008,VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16:1000156009,VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16:1000156010,VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16:1000156011,VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16:1000156012,VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16:1000156013,VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16:1000156014,VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16:1000156015,VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16:1000156016,VK_FORMAT_R12X4_UNORM_PACK16:1000156017,VK_FORMAT_R12X4G12X4_UNORM_2PACK16:1000156018,VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16:1000156019,VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16:1000156020,VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16:1000156021,VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16:1000156022,VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16:1000156023,VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16:1000156024,VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16:1000156025,VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16:1000156026,VK_FORMAT_G16B16G16R16_422_UNORM:1000156027,VK_FORMAT_B16G16R16G16_422_UNORM:1000156028,VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM:1000156029,VK_FORMAT_G16_B16R16_2PLANE_420_UNORM:1000156030,VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM:1000156031,VK_FORMAT_G16_B16R16_2PLANE_422_UNORM:1000156032,VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM:1000156033,VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG:1000054e3,VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG:1000054001,VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG:1000054002,VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG:1000054003,VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG:1000054004,VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG:1000054005,VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG:1000054006,VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG:1000054007,VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT:1000066e3,VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK_EXT:1000066001,VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK_EXT:1000066002,VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK_EXT:1000066003,VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT:1000066004,VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK_EXT:1000066005,VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK_EXT:1000066006,VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK_EXT:1000066007,VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK_EXT:1000066008,VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK_EXT:1000066009,VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK_EXT:1000066010,VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK_EXT:1000066011,VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK_EXT:1000066012,VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK_EXT:1000066013,VK_FORMAT_G8B8G8R8_422_UNORM_KHR:1000156e3,VK_FORMAT_B8G8R8G8_422_UNORM_KHR:1000156001,VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM_KHR:1000156002,VK_FORMAT_G8_B8R8_2PLANE_420_UNORM_KHR:1000156003,VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM_KHR:1000156004,VK_FORMAT_G8_B8R8_2PLANE_422_UNORM_KHR:1000156005,VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM_KHR:1000156006,VK_FORMAT_R10X6_UNORM_PACK16_KHR:1000156007,VK_FORMAT_R10X6G10X6_UNORM_2PACK16_KHR:1000156008,VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16_KHR:1000156009,VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16_KHR:1000156010,VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16_KHR:1000156011,VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16_KHR:1000156012,VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16_KHR:1000156013,VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16_KHR:1000156014,VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16_KHR:1000156015,VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16_KHR:1000156016,VK_FORMAT_R12X4_UNORM_PACK16_KHR:1000156017,VK_FORMAT_R12X4G12X4_UNORM_2PACK16_KHR:1000156018,VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16_KHR:1000156019,VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16_KHR:1000156020,VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16_KHR:1000156021,VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16_KHR:1000156022,VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16_KHR:1000156023,VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16_KHR:1000156024,VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16_KHR:1000156025,VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16_KHR:1000156026,VK_FORMAT_G16B16G16R16_422_UNORM_KHR:1000156027,VK_FORMAT_B16G16R16G16_422_UNORM_KHR:1000156028,VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM_KHR:1000156029,VK_FORMAT_G16_B16R16_2PLANE_420_UNORM_KHR:1000156030,VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM_KHR:1000156031,VK_FORMAT_G16_B16R16_2PLANE_422_UNORM_KHR:1000156032,VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM_KHR:1000156033},me=Object.freeze(or);function ir(){return{vkFormat:0,typeSize:1,pixelWidth:0,pixelHeight:0,pixelDepth:0,layerCount:0,faceCount:1,supercompressionScheme:0,levels:[],dataFormatDescriptor:[{vendorId:0,descriptorType:0,versionNumber:2,colorModel:0,colorPrimaries:1,transferFunction:2,flags:0,texelBlockDimension:[0,0,0,0],bytesPlane:[0,0,0,0,0,0,0,0],samples:[]}],keyValue:{},globalData:null}}var fe=class{constructor(T,r,M,B){this._dataView=void 0,this._littleEndian=void 0,this._offset=void 0,this._dataView=new DataView(T.buffer,T.byteOffset+r,M),this._littleEndian=B,this._offset=0}_nextUint8(){let T=this._dataView.getUint8(this._offset);return this._offset+=1,T}_nextUint16(){let T=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,T}_nextUint32(){let T=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,T}_nextUint64(){let T=this._dataView.getUint32(this._offset,this._littleEndian),r=this._dataView.getUint32(this._offset+4,this._littleEndian),M=T+2**32*r;return this._offset+=8,M}_nextInt32(){let T=this._dataView.getInt32(this._offset,this._littleEndian);return this._offset+=4,T}_nextUint8Array(T){let r=new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+this._offset,T);return this._offset+=T,r}_skip(T){return this._offset+=T,this}_scan(T,r=0){let M=this._offset,B=0;for(;this._dataView.getUint8(this._offset)!==r&&B<T;)B++,this._offset++;return B<T&&this._offset++,new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+M,B)}};var Fr=new Uint8Array([0]),H=[171,75,84,88,32,50,48,187,13,10,26,10];function Rn(s){return new TextDecoder().decode(s)}function an(s){let T=new Uint8Array(s.buffer,s.byteOffset,H.length);if(T[0]!==H[0]||T[1]!==H[1]||T[2]!==H[2]||T[3]!==H[3]||T[4]!==H[4]||T[5]!==H[5]||T[6]!==H[6]||T[7]!==H[7]||T[8]!==H[8]||T[9]!==H[9]||T[10]!==H[10]||T[11]!==H[11])throw new Error("Missing KTX 2.0 identifier.");let r=ir(),M=17*Uint32Array.BYTES_PER_ELEMENT,B=new fe(s,H.length,M,!0);r.vkFormat=B._nextUint32(),r.typeSize=B._nextUint32(),r.pixelWidth=B._nextUint32(),r.pixelHeight=B._nextUint32(),r.pixelDepth=B._nextUint32(),r.layerCount=B._nextUint32(),r.faceCount=B._nextUint32();let E=B._nextUint32();r.supercompressionScheme=B._nextUint32();let F=B._nextUint32(),L=B._nextUint32(),D=B._nextUint32(),b=B._nextUint32(),N=B._nextUint64(),d=B._nextUint64(),P=E*3*8,Q=new fe(s,H.length+M,P,!0);for(let v=0;v<E;v++)r.levels.push({levelData:new Uint8Array(s.buffer,s.byteOffset+Q._nextUint64(),Q._nextUint64()),uncompressedByteLength:Q._nextUint64()});let O=new fe(s,F,L,!0);O._skip(4);let W=O._nextUint16(),J=O._nextUint16(),ae=O._nextUint16(),j=O._nextUint16(),Ke=O._nextUint8(),Ce=O._nextUint8(),Fe=O._nextUint8(),it=O._nextUint8(),se=[O._nextUint8(),O._nextUint8(),O._nextUint8(),O._nextUint8()],Rt=[O._nextUint8(),O._nextUint8(),O._nextUint8(),O._nextUint8(),O._nextUint8(),O._nextUint8(),O._nextUint8(),O._nextUint8()],oe={vendorId:W,descriptorType:J,versionNumber:ae,colorModel:Ke,colorPrimaries:Ce,transferFunction:Fe,flags:it,texelBlockDimension:se,bytesPlane:Rt,samples:[]},Ie=(j/4-6)/4;for(let v=0;v<Ie;v++){let p={bitOffset:O._nextUint16(),bitLength:O._nextUint8(),channelType:O._nextUint8(),samplePosition:[O._nextUint8(),O._nextUint8(),O._nextUint8(),O._nextUint8()],sampleLower:Number.NEGATIVE_INFINITY,sampleUpper:Number.POSITIVE_INFINITY};p.channelType&64?(p.sampleLower=O._nextInt32(),p.sampleUpper=O._nextInt32()):(p.sampleLower=O._nextUint32(),p.sampleUpper=O._nextUint32()),oe.samples[v]=p}r.dataFormatDescriptor.length=0,r.dataFormatDescriptor.push(oe);let ce=new fe(s,D,b,!0);for(;ce._offset<b;){let v=ce._nextUint32(),p=ce._scan(v),k=Rn(p);if(r.keyValue[k]=ce._nextUint8Array(v-p.byteLength-1),k.match(/^ktx/i)){let m=Rn(r.keyValue[k]);r.keyValue[k]=m.substring(0,m.lastIndexOf("\0"))}let Ae=v%4?4-v%4:0;ce._skip(Ae)}if(d<=0)return r;let I=new fe(s,N,d,!0),be=I._nextUint16(),we=I._nextUint16(),Ge=I._nextUint32(),He=I._nextUint32(),Xe=I._nextUint32(),at=I._nextUint32(),Se=[];for(let v=0;v<E;v++)Se.push({imageFlags:I._nextUint32(),rgbSliceByteOffset:I._nextUint32(),rgbSliceByteLength:I._nextUint32(),alphaSliceByteOffset:I._nextUint32(),alphaSliceByteLength:I._nextUint32()});let xe=N+I._offset,ke=xe+Ge,$e=ke+He,ct=$e+Xe,At=new Uint8Array(s.buffer,s.byteOffset+xe,Ge),Tt=new Uint8Array(s.buffer,s.byteOffset+ke,He),ut=new Uint8Array(s.buffer,s.byteOffset+$e,Xe),Ne=new Uint8Array(s.buffer,s.byteOffset+ct,at);return r.globalData={endpointCount:be,selectorCount:we,imageDescs:Se,endpointsData:At,selectorsData:Tt,tablesData:ut,extendedData:Ne},r}var An=sr(cn(),1),Tn=["positiveX","negativeX","positiveY","negativeY","positiveZ","negativeZ"],un=163,fn=166,De;function Rr(s,T){sn.typeOf.object("transcoderModule",De);let r=s.ktx2Buffer,M=s.supportedTargetFormats,B;try{B=an(r)}catch{throw new re("Invalid KTX2 file.")}if(B.layerCount!==0)throw new re("KTX2 texture arrays are not supported.");if(B.pixelDepth!==0)throw new re("KTX2 3D textures are unsupported.");let E=B.dataFormatDescriptor[0],F=new Array(B.levelCount);return B.vkFormat===0&&(E.colorModel===un||E.colorModel===fn)?cr(r,B,M,De,T,F):(T.push(r.buffer),ar(B,F)),F}function ar(s,T){let r=s.vkFormat===me.VK_FORMAT_R8G8B8_SRGB?U.RGB:U.RGBA,M;s.vkFormat===me.VK_FORMAT_R8G8B8A8_UNORM?M=y.UNSIGNED_BYTE:s.vkFormat===me.VK_FORMAT_R16G16B16A16_SFLOAT?M=y.HALF_FLOAT:s.vkFormat===me.VK_FORMAT_R32G32B32A32_SFLOAT&&(M=y.FLOAT);for(let B=0;B<s.levels.length;++B){let E={};T[B]=E;let F=s.levels[B].levelData,L=s.pixelWidth>>B,D=s.pixelHeight>>B,b=L*D*U.componentsLength(r);for(let N=0;N<s.faceCount;++N){let d=F.byteOffset+b*s.typeSize*N,P;!Le(M)||y.sizeInBytes(M)===1?P=new Uint8Array(F.buffer,d,b):y.sizeInBytes(M)===2?P=new Uint16Array(F.buffer,d,b):P=new Float32Array(F.buffer,d,b),E[Tn[N]]={internalFormat:r,datatype:M,width:L,height:D,levelBuffer:P}}}}function cr(s,T,r,M,B,E){let F=new M.KTX2File(s),L=F.getWidth(),D=F.getHeight(),b=F.getLevels(),N=F.getHasAlpha();if(!(L>0)||!(D>0)||!(b>0))throw F.close(),F.delete(),new re("Invalid KTX2 file");let d,P,Q=T.dataFormatDescriptor[0],O=M.transcoder_texture_format;if(Q.colorModel===un)if(r.etc)d=N?U.RGBA8_ETC2_EAC:U.RGB8_ETC2,P=N?O.cTFETC2_RGBA:O.cTFETC1_RGB;else if(r.etc1&&!N)d=U.RGB_ETC1,P=O.cTFETC1_RGB;else if(r.s3tc)d=N?U.RGBA_DXT5:U.RGB_DXT1,P=N?O.cTFBC3_RGBA:O.cTFBC1_RGB;else if(r.pvrtc)d=N?U.RGBA_PVRTC_4BPPV1:U.RGB_PVRTC_4BPPV1,P=N?O.cTFPVRTC1_4_RGBA:O.cTFPVRTC1_4_RGB;else if(r.astc)d=U.RGBA_ASTC,P=O.cTFASTC_4x4_RGBA;else if(r.bc7)d=U.RGBA_BC7,P=O.cTFBC7_RGBA;else throw new re("No transcoding format target available for ETC1S compressed ktx2.");else if(Q.colorModel===fn)if(r.astc)d=U.RGBA_ASTC,P=O.cTFASTC_4x4_RGBA;else if(r.bc7)d=U.RGBA_BC7,P=O.cTFBC7_RGBA;else if(r.s3tc)d=N?U.RGBA_DXT5:U.RGB_DXT1,P=N?O.cTFBC3_RGBA:O.cTFBC1_RGB;else if(r.etc)d=N?U.RGBA8_ETC2_EAC:U.RGB8_ETC2,P=N?O.cTFETC2_RGBA:O.cTFETC1_RGB;else if(r.etc1&&!N)d=U.RGB_ETC1,P=O.cTFETC1_RGB;else if(r.pvrtc)d=N?U.RGBA_PVRTC_4BPPV1:U.RGB_PVRTC_4BPPV1,P=N?O.cTFPVRTC1_4_RGBA:O.cTFPVRTC1_4_RGB;else throw new re("No transcoding format target available for UASTC compressed ktx2.");if(!F.startTranscoding())throw F.close(),F.delete(),new re("startTranscoding() failed");for(let W=0;W<T.levels.length;++W){let J={};E[W]=J,L=T.pixelWidth>>W,D=T.pixelHeight>>W;let ae=F.getImageTranscodedSizeInBytes(W,0,0,P.value),j=new Uint8Array(ae),Ke=F.transcodeImage(j,W,0,0,P.value,0,-1,-1);if(!Le(Ke))throw new re("transcodeImage() failed.");B.push(j.buffer),J[Tn[0]]={internalFormat:d,width:L,height:D,levelBuffer:j}}return F.close(),F.delete(),E}async function Ar(s,T){let r=s.webAssemblyConfig,M=An.default??self.BASIS;return Le(r.wasmBinaryFile)?De=await M(r):De=await M(),De.initializeBasis(),!0}function Tr(s,T){let r=s.webAssemblyConfig;return Le(r)?Ar(s,T):Rr(s,T)}var vr=on(Tr);export{vr as default};
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