meshopt_decoder.module.js 24 KB

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  1. // This file is part of meshoptimizer library and is distributed under the terms of MIT License.
  2. // Copyright (C) 2016-2024, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
  3. var MeshoptDecoder = (function () {
  4. // Built with clang version 18.1.2
  5. // Built from meshoptimizer 0.22
  6. var wasm_base =
  7. 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// embed! base
  8. var wasm_simd =
  9. 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gYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfglaYaLa8ApmwDKYqk8AExm35Ps8E8FgQaQpmbedibedibedibedip9UgYp9AdbbaladfglaYaQaQpmlvorlvorlvorlvorp9UgYp9AdbbaladfglaYaQaQpmwDqkwDqkwDqkwDqkp9UgYp9AdbbaladfglaYaQaQpmxmPsxmPsxmPsxmPsp9UgYp9AdbbaladfhiaXczfgXak6mbkkaHclfgHad6mbkasavcjdfaqad2;8qbbavavcjdfaqcufad2fad;8qbbaqaDfgDae6mbkkcbc99arao9Radcaadca0ESEhokavcj;kbf8Kjjjjbaokwbz:bjjjbk::seHu8Jjjjjbc;ae9Rgv8Kjjjjbc9:hodnaeci9UgrcHfal0mbcuhoaiRbbgwc;WeGc;Ge9hmbawcsGgwce0mbavc;abfcFecje;8kbavcUf9cu83ibavc8Wf9cu83ibavcyf9cu83ibavcaf9cu83ibavcKf9cu83ibavczf9cu83ibav9cu83iwav9cu83ibaialfc9WfhDaicefgqarfhidnaeTmbcmcsawceSEhkcbhxcbhmcbhPcbhwcbhlindnaiaD9nmbc9:hoxikdndnaqRbbgoc;Ve0mbavc;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;abfalcitfgOaxBdlaOarBdbavawazfgwcsGcdtfaoBdbalcefcsGhOawaCfhwaxhzaAaCfhxxekaxcbaiRbbgOEgzaoc;: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;abfalcitfgXazBdlaXarBdbavawaOcz6aAcsSVfgwcsGcdtfaoBdbawaCTaCcsSVfhwalcefcsGhOkaqcefhqavc;abfaOcitfgOarBdlaOaoBdbavc;abfalasfcsGcitfgraoBdlarazBdbawcsGhwalaHfcsGhlaPcifgPae6mbkkcbc99aiaDSEhokavc;aef8Kjjjjbaok:flevu8Jjjjjbcz9Rhvc9:hodnaecvfal0mbcuhoaiRbbc;:eGc;qe9hmbav9cb83iwaicefhraialfc98fhwdnaeTmbdnadcdSmbcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcdtfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfglBdbaoalBdbaDcefgDae9hmbxdkkcbhDindnaraw6mbc9:skarcefhoar8SbbglcFeGhidndnalcu9mmbaohrxekarcvfhraicFbGhicrhldninao8SbbgdcFbGaltaiVhiadcu9kmeaocefhoalcrfglc8J9hmbxdkkaocefhrkabaDcetfaic8Etc8F91aicd47avcwfaiceGcdtVgoydbfgl87ebaoalBdbaDcefgDae9hmbkkcbc99arawSEhokaok:wPliuo97eue978Jjjjjbca9Rhiaec98Ghldndnadcl9hmbdnalTmbcbhvabhdinadadpbbbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDpxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpkbbadczfhdavclfgval6mbkkalaeSmeaipxbbbbbbbbbbbbbbbbgqpklbaiabalcdtfgdaeciGglcdtgv;8qbbdnalTmbaiaipblbgocKp:RecKp:Sep;6egraocwp:RecKp:Sep;6earp;Geaoczp:RecKp:Sep;6egwp;Gep;Kep;LegDaqp:2egqarpxbbbjbbbjbbbjbbbjgkp9op9rp;Kegrpxbb;:9cbb;:9cbb;:9cbb;:9cararp;MeaDaDp;Meawaqawakp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFbbbFbbbFbbbFbbbp9oaopxbbbFbbbFbbbFbbbFp9op9qarawp;Meaqp;Kecwp:RepxbFbbbFbbbFbbbFbbp9op9qaDawp;Meaqp;Keczp:RepxbbFbbbFbbbFbbbFbp9op9qpklbkadaiav;8qbbskdnalTmbcbhvabhdinadczfgxaxpbbbgopxbbbbbbFFbbbbbbFFgkp9oadpbbbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Keczp:Rep9qgoarawp;Meaqp;KepxFFbbFFbbFFbbFFbbp9ogrpmwDKYqk8AExm35Ps8E8Fp9qpkbbadaDakp9oaoarpmbezHdiOAlvCXorQLp9qpkbbadcafhdavclfgval6mbkkalaeSmbaiaeciGgvcitgdfcbcaad9R;8kbaiabalcitfglad;8qbbdnavTmbaiaipblzgopxbbbbbbFFbbbbbbFFgkp9oaipblbgDaopmbediwDqkzHOAKY8AEgwczp:Reczp:Sep;6egraDaopmlvorxmPsCXQL358E8FpxFubbFubbFubbFubbp9op;6eawczp:Sep;6egwp;Gearp;Gep;Kep;Legopxbbbbbbbbbbbbbbbbp:2egqarpxbbbjbbbjbbbjbbbjgmp9op9rp;Kegrpxb;:FSb;:FSb;:FSb;:FSararp;Meaoaop;Meawaqawamp9op9rp;Kegrarp;Mep;Kep;Kep;Jep;Negwp;Mepxbbn0bbn0bbn0bbn0gqp;KepxFFbbFFbbFFbbFFbbp9oaoawp;Meaqp;Ke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// embed! simd
  10. var detector = new Uint8Array([
  11. 0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0,
  12. 11, 7, 0, 65, 0, 253, 15, 26, 11,
  13. ]);
  14. var wasmpack = new Uint8Array([
  15. 32, 0, 65, 2, 1, 106, 34, 33, 3, 128, 11, 4, 13, 64, 6, 253, 10, 7, 15, 116, 127, 5, 8, 12, 40, 16, 19, 54, 20, 9, 27, 255, 113, 17, 42, 67,
  16. 24, 23, 146, 148, 18, 14, 22, 45, 70, 69, 56, 114, 101, 21, 25, 63, 75, 136, 108, 28, 118, 29, 73, 115,
  17. ]);
  18. if (typeof WebAssembly !== 'object') {
  19. return {
  20. supported: false,
  21. };
  22. }
  23. var wasm = WebAssembly.validate(detector) ? unpack(wasm_simd) : unpack(wasm_base);
  24. var instance;
  25. var ready = WebAssembly.instantiate(wasm, {}).then(function (result) {
  26. instance = result.instance;
  27. instance.exports.__wasm_call_ctors();
  28. });
  29. function unpack(data) {
  30. var result = new Uint8Array(data.length);
  31. for (var i = 0; i < data.length; ++i) {
  32. var ch = data.charCodeAt(i);
  33. result[i] = ch > 96 ? ch - 97 : ch > 64 ? ch - 39 : ch + 4;
  34. }
  35. var write = 0;
  36. for (var i = 0; i < data.length; ++i) {
  37. result[write++] = result[i] < 60 ? wasmpack[result[i]] : (result[i] - 60) * 64 + result[++i];
  38. }
  39. return result.buffer.slice(0, write);
  40. }
  41. function decode(instance, fun, target, count, size, source, filter) {
  42. var sbrk = instance.exports.sbrk;
  43. var count4 = (count + 3) & ~3;
  44. var tp = sbrk(count4 * size);
  45. var sp = sbrk(source.length);
  46. var heap = new Uint8Array(instance.exports.memory.buffer);
  47. heap.set(source, sp);
  48. var res = fun(tp, count, size, sp, source.length);
  49. if (res == 0 && filter) {
  50. filter(tp, count4, size);
  51. }
  52. target.set(heap.subarray(tp, tp + count * size));
  53. sbrk(tp - sbrk(0));
  54. if (res != 0) {
  55. throw new Error('Malformed buffer data: ' + res);
  56. }
  57. }
  58. var filters = {
  59. NONE: '',
  60. OCTAHEDRAL: 'meshopt_decodeFilterOct',
  61. QUATERNION: 'meshopt_decodeFilterQuat',
  62. EXPONENTIAL: 'meshopt_decodeFilterExp',
  63. };
  64. var decoders = {
  65. ATTRIBUTES: 'meshopt_decodeVertexBuffer',
  66. TRIANGLES: 'meshopt_decodeIndexBuffer',
  67. INDICES: 'meshopt_decodeIndexSequence',
  68. };
  69. var workers = [];
  70. var requestId = 0;
  71. function createWorker(url) {
  72. var worker = {
  73. object: new Worker(url),
  74. pending: 0,
  75. requests: {},
  76. };
  77. worker.object.onmessage = function (event) {
  78. var data = event.data;
  79. worker.pending -= data.count;
  80. worker.requests[data.id][data.action](data.value);
  81. delete worker.requests[data.id];
  82. };
  83. return worker;
  84. }
  85. function initWorkers(count) {
  86. var source =
  87. 'self.ready = WebAssembly.instantiate(new Uint8Array([' +
  88. new Uint8Array(wasm) +
  89. ']), {})' +
  90. '.then(function(result) { result.instance.exports.__wasm_call_ctors(); return result.instance; });' +
  91. 'self.onmessage = ' +
  92. workerProcess.name +
  93. ';' +
  94. decode.toString() +
  95. workerProcess.toString();
  96. var blob = new Blob([source], { type: 'text/javascript' });
  97. var url = URL.createObjectURL(blob);
  98. for (var i = workers.length; i < count; ++i) {
  99. workers[i] = createWorker(url);
  100. }
  101. for (var i = count; i < workers.length; ++i) {
  102. workers[i].object.postMessage({});
  103. }
  104. workers.length = count;
  105. URL.revokeObjectURL(url);
  106. }
  107. function decodeWorker(count, size, source, mode, filter) {
  108. var worker = workers[0];
  109. for (var i = 1; i < workers.length; ++i) {
  110. if (workers[i].pending < worker.pending) {
  111. worker = workers[i];
  112. }
  113. }
  114. return new Promise(function (resolve, reject) {
  115. var data = new Uint8Array(source);
  116. var id = ++requestId;
  117. worker.pending += count;
  118. worker.requests[id] = { resolve: resolve, reject: reject };
  119. worker.object.postMessage({ id: id, count: count, size: size, source: data, mode: mode, filter: filter }, [data.buffer]);
  120. });
  121. }
  122. function workerProcess(event) {
  123. var data = event.data;
  124. if (!data.id) {
  125. return self.close();
  126. }
  127. self.ready.then(function (instance) {
  128. try {
  129. var target = new Uint8Array(data.count * data.size);
  130. decode(instance, instance.exports[data.mode], target, data.count, data.size, data.source, instance.exports[data.filter]);
  131. self.postMessage({ id: data.id, count: data.count, action: 'resolve', value: target }, [target.buffer]);
  132. } catch (error) {
  133. self.postMessage({ id: data.id, count: data.count, action: 'reject', value: error });
  134. }
  135. });
  136. }
  137. return {
  138. ready: ready,
  139. supported: true,
  140. useWorkers: function (count) {
  141. initWorkers(count);
  142. },
  143. decodeVertexBuffer: function (target, count, size, source, filter) {
  144. decode(instance, instance.exports.meshopt_decodeVertexBuffer, target, count, size, source, instance.exports[filters[filter]]);
  145. },
  146. decodeIndexBuffer: function (target, count, size, source) {
  147. decode(instance, instance.exports.meshopt_decodeIndexBuffer, target, count, size, source);
  148. },
  149. decodeIndexSequence: function (target, count, size, source) {
  150. decode(instance, instance.exports.meshopt_decodeIndexSequence, target, count, size, source);
  151. },
  152. decodeGltfBuffer: function (target, count, size, source, mode, filter) {
  153. decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]);
  154. },
  155. decodeGltfBufferAsync: function (count, size, source, mode, filter) {
  156. if (workers.length > 0) {
  157. return decodeWorker(count, size, source, decoders[mode], filters[filter]);
  158. }
  159. return ready.then(function () {
  160. var target = new Uint8Array(count * size);
  161. decode(instance, instance.exports[decoders[mode]], target, count, size, source, instance.exports[filters[filter]]);
  162. return target;
  163. });
  164. },
  165. };
  166. })();
  167. export { MeshoptDecoder };
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