| 1 |
- {"ast":null,"code":"import { Tools } from \"./tools.js\";\nimport { Texture } from \"../Materials/Textures/texture.js\";\nimport { InternalTexture } from \"../Materials/Textures/internalTexture.js\";\nimport { initializeWebWorker, workerFunction } from \"./basisWorker.js\";\n/**\n * Info about the .basis files\n */\nexport class BasisFileInfo {}\n/**\n * Result of transcoding a basis file\n */\nclass TranscodeResult {}\n/**\n * Configuration options for the Basis transcoder\n */\nexport class BasisTranscodeConfiguration {}\n/**\n * @internal\n * Enum of basis transcoder formats\n */\nvar BASIS_FORMATS;\n(function (BASIS_FORMATS) {\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC1\"] = 0] = \"cTFETC1\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC2\"] = 1] = \"cTFETC2\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC1\"] = 2] = \"cTFBC1\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC3\"] = 3] = \"cTFBC3\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC4\"] = 4] = \"cTFBC4\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC5\"] = 5] = \"cTFBC5\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC7\"] = 6] = \"cTFBC7\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC1_4_RGB\"] = 8] = \"cTFPVRTC1_4_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC1_4_RGBA\"] = 9] = \"cTFPVRTC1_4_RGBA\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFASTC_4x4\"] = 10] = \"cTFASTC_4x4\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFATC_RGB\"] = 11] = \"cTFATC_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFATC_RGBA_INTERPOLATED_ALPHA\"] = 12] = \"cTFATC_RGBA_INTERPOLATED_ALPHA\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFRGBA32\"] = 13] = \"cTFRGBA32\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFRGB565\"] = 14] = \"cTFRGB565\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBGR565\"] = 15] = \"cTFBGR565\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFRGBA4444\"] = 16] = \"cTFRGBA4444\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFFXT1_RGB\"] = 17] = \"cTFFXT1_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC2_4_RGB\"] = 18] = \"cTFPVRTC2_4_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC2_4_RGBA\"] = 19] = \"cTFPVRTC2_4_RGBA\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC2_EAC_R11\"] = 20] = \"cTFETC2_EAC_R11\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC2_EAC_RG11\"] = 21] = \"cTFETC2_EAC_RG11\";\n})(BASIS_FORMATS || (BASIS_FORMATS = {}));\n/**\n * Used to load .Basis files\n * See https://github.com/BinomialLLC/basis_universal/tree/master/webgl\n */\nexport const BasisToolsOptions = {\n /**\n * URL to use when loading the basis transcoder\n */\n JSModuleURL: `${Tools._DefaultCdnUrl}/basisTranscoder/1/basis_transcoder.js`,\n /**\n * URL to use when loading the wasm module for the transcoder\n */\n WasmModuleURL: `${Tools._DefaultCdnUrl}/basisTranscoder/1/basis_transcoder.wasm`\n};\n/**\n * Get the internal format to be passed to texImage2D corresponding to the .basis format value\n * @param basisFormat format chosen from GetSupportedTranscodeFormat\n * @param engine\n * @returns internal format corresponding to the Basis format\n */\n// eslint-disable-next-line @typescript-eslint/no-unused-vars\nexport const GetInternalFormatFromBasisFormat = (basisFormat, engine) => {\n let format;\n switch (basisFormat) {\n case BASIS_FORMATS.cTFETC1:\n format = 36196;\n break;\n case BASIS_FORMATS.cTFBC1:\n format = 33776;\n break;\n case BASIS_FORMATS.cTFBC4:\n format = 33779;\n break;\n case BASIS_FORMATS.cTFASTC_4x4:\n format = 37808;\n break;\n case BASIS_FORMATS.cTFETC2:\n format = 37496;\n break;\n case BASIS_FORMATS.cTFBC7:\n format = 36492;\n break;\n }\n if (format === undefined) {\n // eslint-disable-next-line no-throw-literal\n throw \"The chosen Basis transcoder format is not currently supported\";\n }\n return format;\n};\nlet _WorkerPromise = null;\nlet _Worker = null;\nlet _actionId = 0;\nconst _IgnoreSupportedFormats = false;\nconst _CreateWorkerAsync = () => {\n if (!_WorkerPromise) {\n _WorkerPromise = new Promise((res, reject) => {\n if (_Worker) {\n res(_Worker);\n } else {\n Tools.LoadFileAsync(Tools.GetBabylonScriptURL(BasisToolsOptions.WasmModuleURL)).then(wasmBinary => {\n if (typeof URL !== \"function\") {\n return reject(\"Basis transcoder requires an environment with a URL constructor\");\n }\n const workerBlobUrl = URL.createObjectURL(new Blob([`(${workerFunction})()`], {\n type: \"application/javascript\"\n }));\n _Worker = new Worker(workerBlobUrl);\n initializeWebWorker(_Worker, wasmBinary, BasisToolsOptions.JSModuleURL).then(res, reject);\n }).catch(reject);\n }\n });\n }\n return _WorkerPromise;\n};\n/**\n * Set the worker to use for transcoding\n * @param worker The worker that will be used for transcoding\n */\nexport const SetBasisTranscoderWorker = worker => {\n _Worker = worker;\n};\n/**\n * Transcodes a loaded image file to compressed pixel data\n * @param data image data to transcode\n * @param config configuration options for the transcoding\n * @returns a promise resulting in the transcoded image\n */\nexport const TranscodeAsync = (data, config) => {\n const dataView = data instanceof ArrayBuffer ? new Uint8Array(data) : data;\n return new Promise((res, rej) => {\n _CreateWorkerAsync().then(() => {\n const actionId = _actionId++;\n const messageHandler = msg => {\n if (msg.data.action === \"transcode\" && msg.data.id === actionId) {\n _Worker.removeEventListener(\"message\", messageHandler);\n if (!msg.data.success) {\n rej(\"Transcode is not supported on this device\");\n } else {\n res(msg.data);\n }\n }\n };\n _Worker.addEventListener(\"message\", messageHandler);\n const dataViewCopy = new Uint8Array(dataView.byteLength);\n dataViewCopy.set(new Uint8Array(dataView.buffer, dataView.byteOffset, dataView.byteLength));\n _Worker.postMessage({\n action: \"transcode\",\n id: actionId,\n imageData: dataViewCopy,\n config: config,\n ignoreSupportedFormats: _IgnoreSupportedFormats\n }, [dataViewCopy.buffer]);\n }, error => {\n rej(error);\n });\n });\n};\n/**\n * Binds a texture according to its underlying target.\n * @param texture texture to bind\n * @param engine the engine to bind the texture in\n */\nconst BindTexture = (texture, engine) => {\n var _engine$_gl;\n let target = (_engine$_gl = engine._gl) === null || _engine$_gl === void 0 ? void 0 : _engine$_gl.TEXTURE_2D;\n if (texture.isCube) {\n var _engine$_gl2;\n target = (_engine$_gl2 = engine._gl) === null || _engine$_gl2 === void 0 ? void 0 : _engine$_gl2.TEXTURE_CUBE_MAP;\n }\n engine._bindTextureDirectly(target, texture, true);\n};\n/**\n * Loads a texture from the transcode result\n * @param texture texture load to\n * @param transcodeResult the result of transcoding the basis file to load from\n */\nexport const LoadTextureFromTranscodeResult = (texture, transcodeResult) => {\n const engine = texture.getEngine();\n for (let i = 0; i < transcodeResult.fileInfo.images.length; i++) {\n const rootImage = transcodeResult.fileInfo.images[i].levels[0];\n texture._invertVScale = texture.invertY;\n if (transcodeResult.format === -1 || transcodeResult.format === BASIS_FORMATS.cTFRGB565) {\n // No compatable compressed format found, fallback to RGB\n texture.type = 10;\n texture.format = 4;\n if (engine._features.basisNeedsPOT && (Math.log2(rootImage.width) % 1 !== 0 || Math.log2(rootImage.height) % 1 !== 0)) {\n // Create non power of two texture\n const source = new InternalTexture(engine, 2 /* InternalTextureSource.Temp */);\n texture._invertVScale = texture.invertY;\n source.type = 10;\n source.format = 4;\n // Fallback requires aligned width/height\n source.width = rootImage.width + 3 & ~3;\n source.height = rootImage.height + 3 & ~3;\n BindTexture(source, engine);\n engine._uploadDataToTextureDirectly(source, new Uint16Array(rootImage.transcodedPixels.buffer), i, 0, 4, true);\n // Resize to power of two\n engine._rescaleTexture(source, texture, engine.scenes[0], engine._getInternalFormat(4), () => {\n engine._releaseTexture(source);\n BindTexture(texture, engine);\n });\n } else {\n // Fallback is already inverted\n texture._invertVScale = !texture.invertY;\n // Upload directly\n texture.width = rootImage.width + 3 & ~3;\n texture.height = rootImage.height + 3 & ~3;\n texture.samplingMode = 2;\n BindTexture(texture, engine);\n engine._uploadDataToTextureDirectly(texture, new Uint16Array(rootImage.transcodedPixels.buffer), i, 0, 4, true);\n }\n } else {\n texture.width = rootImage.width;\n texture.height = rootImage.height;\n texture.generateMipMaps = transcodeResult.fileInfo.images[i].levels.length > 1;\n const format = BasisTools.GetInternalFormatFromBasisFormat(transcodeResult.format, engine);\n texture.format = format;\n BindTexture(texture, engine);\n // Upload all mip levels in the file\n transcodeResult.fileInfo.images[i].levels.forEach((level, index) => {\n engine._uploadCompressedDataToTextureDirectly(texture, format, level.width, level.height, level.transcodedPixels, i, index);\n });\n if (engine._features.basisNeedsPOT && (Math.log2(texture.width) % 1 !== 0 || Math.log2(texture.height) % 1 !== 0)) {\n Tools.Warn(\"Loaded .basis texture width and height are not a power of two. Texture wrapping will be set to Texture.CLAMP_ADDRESSMODE as other modes are not supported with non power of two dimensions in webGL 1.\");\n texture._cachedWrapU = Texture.CLAMP_ADDRESSMODE;\n texture._cachedWrapV = Texture.CLAMP_ADDRESSMODE;\n }\n }\n }\n};\n/**\n * Used to load .Basis files\n * See https://github.com/BinomialLLC/basis_universal/tree/master/webgl\n */\nexport const BasisTools = {\n /**\n * URL to use when loading the basis transcoder\n */\n JSModuleURL: BasisToolsOptions.JSModuleURL,\n /**\n * URL to use when loading the wasm module for the transcoder\n */\n WasmModuleURL: BasisToolsOptions.WasmModuleURL,\n /**\n * Get the internal format to be passed to texImage2D corresponding to the .basis format value\n * @param basisFormat format chosen from GetSupportedTranscodeFormat\n * @returns internal format corresponding to the Basis format\n */\n GetInternalFormatFromBasisFormat,\n /**\n * Transcodes a loaded image file to compressed pixel data\n * @param data image data to transcode\n * @param config configuration options for the transcoding\n * @returns a promise resulting in the transcoded image\n */\n TranscodeAsync,\n /**\n * Loads a texture from the transcode result\n * @param texture texture load to\n * @param transcodeResult the result of transcoding the basis file to load from\n */\n LoadTextureFromTranscodeResult\n};\nObject.defineProperty(BasisTools, \"JSModuleURL\", {\n get: function () {\n return BasisToolsOptions.JSModuleURL;\n },\n set: function (value) {\n BasisToolsOptions.JSModuleURL = value;\n }\n});\nObject.defineProperty(BasisTools, \"WasmModuleURL\", {\n get: function () {\n return BasisToolsOptions.WasmModuleURL;\n },\n set: function (value) {\n BasisToolsOptions.WasmModuleURL = value;\n }\n});","map":{"version":3,"names":["Tools","Texture","InternalTexture","initializeWebWorker","workerFunction","BasisFileInfo","TranscodeResult","BasisTranscodeConfiguration","BASIS_FORMATS","BasisToolsOptions","JSModuleURL","_DefaultCdnUrl","WasmModuleURL","GetInternalFormatFromBasisFormat","basisFormat","engine","format","cTFETC1","cTFBC1","cTFBC4","cTFASTC_4x4","cTFETC2","cTFBC7","undefined","_WorkerPromise","_Worker","_actionId","_IgnoreSupportedFormats","_CreateWorkerAsync","Promise","res","reject","LoadFileAsync","GetBabylonScriptURL","then","wasmBinary","URL","workerBlobUrl","createObjectURL","Blob","type","Worker","catch","SetBasisTranscoderWorker","worker","TranscodeAsync","data","config","dataView","ArrayBuffer","Uint8Array","rej","actionId","messageHandler","msg","action","id","removeEventListener","success","addEventListener","dataViewCopy","byteLength","set","buffer","byteOffset","postMessage","imageData","ignoreSupportedFormats","error","BindTexture","texture","_engine$_gl","target","_gl","TEXTURE_2D","isCube","_engine$_gl2","TEXTURE_CUBE_MAP","_bindTextureDirectly","LoadTextureFromTranscodeResult","transcodeResult","getEngine","i","fileInfo","images","length","rootImage","levels","_invertVScale","invertY","cTFRGB565","_features","basisNeedsPOT","Math","log2","width","height","source","_uploadDataToTextureDirectly","Uint16Array","transcodedPixels","_rescaleTexture","scenes","_getInternalFormat","_releaseTexture","samplingMode","generateMipMaps","BasisTools","forEach","level","index","_uploadCompressedDataToTextureDirectly","Warn","_cachedWrapU","CLAMP_ADDRESSMODE","_cachedWrapV","Object","defineProperty","get","value"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Misc/basis.js"],"sourcesContent":["import { Tools } from \"./tools.js\";\nimport { Texture } from \"../Materials/Textures/texture.js\";\nimport { InternalTexture } from \"../Materials/Textures/internalTexture.js\";\n\nimport { initializeWebWorker, workerFunction } from \"./basisWorker.js\";\n/**\n * Info about the .basis files\n */\nexport class BasisFileInfo {\n}\n/**\n * Result of transcoding a basis file\n */\nclass TranscodeResult {\n}\n/**\n * Configuration options for the Basis transcoder\n */\nexport class BasisTranscodeConfiguration {\n}\n/**\n * @internal\n * Enum of basis transcoder formats\n */\nvar BASIS_FORMATS;\n(function (BASIS_FORMATS) {\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC1\"] = 0] = \"cTFETC1\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC2\"] = 1] = \"cTFETC2\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC1\"] = 2] = \"cTFBC1\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC3\"] = 3] = \"cTFBC3\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC4\"] = 4] = \"cTFBC4\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC5\"] = 5] = \"cTFBC5\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBC7\"] = 6] = \"cTFBC7\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC1_4_RGB\"] = 8] = \"cTFPVRTC1_4_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC1_4_RGBA\"] = 9] = \"cTFPVRTC1_4_RGBA\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFASTC_4x4\"] = 10] = \"cTFASTC_4x4\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFATC_RGB\"] = 11] = \"cTFATC_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFATC_RGBA_INTERPOLATED_ALPHA\"] = 12] = \"cTFATC_RGBA_INTERPOLATED_ALPHA\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFRGBA32\"] = 13] = \"cTFRGBA32\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFRGB565\"] = 14] = \"cTFRGB565\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFBGR565\"] = 15] = \"cTFBGR565\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFRGBA4444\"] = 16] = \"cTFRGBA4444\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFFXT1_RGB\"] = 17] = \"cTFFXT1_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC2_4_RGB\"] = 18] = \"cTFPVRTC2_4_RGB\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFPVRTC2_4_RGBA\"] = 19] = \"cTFPVRTC2_4_RGBA\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC2_EAC_R11\"] = 20] = \"cTFETC2_EAC_R11\";\n BASIS_FORMATS[BASIS_FORMATS[\"cTFETC2_EAC_RG11\"] = 21] = \"cTFETC2_EAC_RG11\";\n})(BASIS_FORMATS || (BASIS_FORMATS = {}));\n/**\n * Used to load .Basis files\n * See https://github.com/BinomialLLC/basis_universal/tree/master/webgl\n */\nexport const BasisToolsOptions = {\n /**\n * URL to use when loading the basis transcoder\n */\n JSModuleURL: `${Tools._DefaultCdnUrl}/basisTranscoder/1/basis_transcoder.js`,\n /**\n * URL to use when loading the wasm module for the transcoder\n */\n WasmModuleURL: `${Tools._DefaultCdnUrl}/basisTranscoder/1/basis_transcoder.wasm`,\n};\n/**\n * Get the internal format to be passed to texImage2D corresponding to the .basis format value\n * @param basisFormat format chosen from GetSupportedTranscodeFormat\n * @param engine\n * @returns internal format corresponding to the Basis format\n */\n// eslint-disable-next-line @typescript-eslint/no-unused-vars\nexport const GetInternalFormatFromBasisFormat = (basisFormat, engine) => {\n let format;\n switch (basisFormat) {\n case BASIS_FORMATS.cTFETC1:\n format = 36196;\n break;\n case BASIS_FORMATS.cTFBC1:\n format = 33776;\n break;\n case BASIS_FORMATS.cTFBC4:\n format = 33779;\n break;\n case BASIS_FORMATS.cTFASTC_4x4:\n format = 37808;\n break;\n case BASIS_FORMATS.cTFETC2:\n format = 37496;\n break;\n case BASIS_FORMATS.cTFBC7:\n format = 36492;\n break;\n }\n if (format === undefined) {\n // eslint-disable-next-line no-throw-literal\n throw \"The chosen Basis transcoder format is not currently supported\";\n }\n return format;\n};\nlet _WorkerPromise = null;\nlet _Worker = null;\nlet _actionId = 0;\nconst _IgnoreSupportedFormats = false;\nconst _CreateWorkerAsync = () => {\n if (!_WorkerPromise) {\n _WorkerPromise = new Promise((res, reject) => {\n if (_Worker) {\n res(_Worker);\n }\n else {\n Tools.LoadFileAsync(Tools.GetBabylonScriptURL(BasisToolsOptions.WasmModuleURL))\n .then((wasmBinary) => {\n if (typeof URL !== \"function\") {\n return reject(\"Basis transcoder requires an environment with a URL constructor\");\n }\n const workerBlobUrl = URL.createObjectURL(new Blob([`(${workerFunction})()`], { type: \"application/javascript\" }));\n _Worker = new Worker(workerBlobUrl);\n initializeWebWorker(_Worker, wasmBinary, BasisToolsOptions.JSModuleURL).then(res, reject);\n })\n .catch(reject);\n }\n });\n }\n return _WorkerPromise;\n};\n/**\n * Set the worker to use for transcoding\n * @param worker The worker that will be used for transcoding\n */\nexport const SetBasisTranscoderWorker = (worker) => {\n _Worker = worker;\n};\n/**\n * Transcodes a loaded image file to compressed pixel data\n * @param data image data to transcode\n * @param config configuration options for the transcoding\n * @returns a promise resulting in the transcoded image\n */\nexport const TranscodeAsync = (data, config) => {\n const dataView = data instanceof ArrayBuffer ? new Uint8Array(data) : data;\n return new Promise((res, rej) => {\n _CreateWorkerAsync().then(() => {\n const actionId = _actionId++;\n const messageHandler = (msg) => {\n if (msg.data.action === \"transcode\" && msg.data.id === actionId) {\n _Worker.removeEventListener(\"message\", messageHandler);\n if (!msg.data.success) {\n rej(\"Transcode is not supported on this device\");\n }\n else {\n res(msg.data);\n }\n }\n };\n _Worker.addEventListener(\"message\", messageHandler);\n const dataViewCopy = new Uint8Array(dataView.byteLength);\n dataViewCopy.set(new Uint8Array(dataView.buffer, dataView.byteOffset, dataView.byteLength));\n _Worker.postMessage({ action: \"transcode\", id: actionId, imageData: dataViewCopy, config: config, ignoreSupportedFormats: _IgnoreSupportedFormats }, [\n dataViewCopy.buffer,\n ]);\n }, (error) => {\n rej(error);\n });\n });\n};\n/**\n * Binds a texture according to its underlying target.\n * @param texture texture to bind\n * @param engine the engine to bind the texture in\n */\nconst BindTexture = (texture, engine) => {\n let target = engine._gl?.TEXTURE_2D;\n if (texture.isCube) {\n target = engine._gl?.TEXTURE_CUBE_MAP;\n }\n engine._bindTextureDirectly(target, texture, true);\n};\n/**\n * Loads a texture from the transcode result\n * @param texture texture load to\n * @param transcodeResult the result of transcoding the basis file to load from\n */\nexport const LoadTextureFromTranscodeResult = (texture, transcodeResult) => {\n const engine = texture.getEngine();\n for (let i = 0; i < transcodeResult.fileInfo.images.length; i++) {\n const rootImage = transcodeResult.fileInfo.images[i].levels[0];\n texture._invertVScale = texture.invertY;\n if (transcodeResult.format === -1 || transcodeResult.format === BASIS_FORMATS.cTFRGB565) {\n // No compatable compressed format found, fallback to RGB\n texture.type = 10;\n texture.format = 4;\n if (engine._features.basisNeedsPOT && (Math.log2(rootImage.width) % 1 !== 0 || Math.log2(rootImage.height) % 1 !== 0)) {\n // Create non power of two texture\n const source = new InternalTexture(engine, 2 /* InternalTextureSource.Temp */);\n texture._invertVScale = texture.invertY;\n source.type = 10;\n source.format = 4;\n // Fallback requires aligned width/height\n source.width = (rootImage.width + 3) & ~3;\n source.height = (rootImage.height + 3) & ~3;\n BindTexture(source, engine);\n engine._uploadDataToTextureDirectly(source, new Uint16Array(rootImage.transcodedPixels.buffer), i, 0, 4, true);\n // Resize to power of two\n engine._rescaleTexture(source, texture, engine.scenes[0], engine._getInternalFormat(4), () => {\n engine._releaseTexture(source);\n BindTexture(texture, engine);\n });\n }\n else {\n // Fallback is already inverted\n texture._invertVScale = !texture.invertY;\n // Upload directly\n texture.width = (rootImage.width + 3) & ~3;\n texture.height = (rootImage.height + 3) & ~3;\n texture.samplingMode = 2;\n BindTexture(texture, engine);\n engine._uploadDataToTextureDirectly(texture, new Uint16Array(rootImage.transcodedPixels.buffer), i, 0, 4, true);\n }\n }\n else {\n texture.width = rootImage.width;\n texture.height = rootImage.height;\n texture.generateMipMaps = transcodeResult.fileInfo.images[i].levels.length > 1;\n const format = BasisTools.GetInternalFormatFromBasisFormat(transcodeResult.format, engine);\n texture.format = format;\n BindTexture(texture, engine);\n // Upload all mip levels in the file\n transcodeResult.fileInfo.images[i].levels.forEach((level, index) => {\n engine._uploadCompressedDataToTextureDirectly(texture, format, level.width, level.height, level.transcodedPixels, i, index);\n });\n if (engine._features.basisNeedsPOT && (Math.log2(texture.width) % 1 !== 0 || Math.log2(texture.height) % 1 !== 0)) {\n Tools.Warn(\"Loaded .basis texture width and height are not a power of two. Texture wrapping will be set to Texture.CLAMP_ADDRESSMODE as other modes are not supported with non power of two dimensions in webGL 1.\");\n texture._cachedWrapU = Texture.CLAMP_ADDRESSMODE;\n texture._cachedWrapV = Texture.CLAMP_ADDRESSMODE;\n }\n }\n }\n};\n/**\n * Used to load .Basis files\n * See https://github.com/BinomialLLC/basis_universal/tree/master/webgl\n */\nexport const BasisTools = {\n /**\n * URL to use when loading the basis transcoder\n */\n JSModuleURL: BasisToolsOptions.JSModuleURL,\n /**\n * URL to use when loading the wasm module for the transcoder\n */\n WasmModuleURL: BasisToolsOptions.WasmModuleURL,\n /**\n * Get the internal format to be passed to texImage2D corresponding to the .basis format value\n * @param basisFormat format chosen from GetSupportedTranscodeFormat\n * @returns internal format corresponding to the Basis format\n */\n GetInternalFormatFromBasisFormat,\n /**\n * Transcodes a loaded image file to compressed pixel data\n * @param data image data to transcode\n * @param config configuration options for the transcoding\n * @returns a promise resulting in the transcoded image\n */\n TranscodeAsync,\n /**\n * Loads a texture from the transcode result\n * @param texture texture load to\n * @param transcodeResult the result of transcoding the basis file to load from\n */\n LoadTextureFromTranscodeResult,\n};\nObject.defineProperty(BasisTools, \"JSModuleURL\", {\n get: function () {\n return BasisToolsOptions.JSModuleURL;\n },\n set: function (value) {\n BasisToolsOptions.JSModuleURL = value;\n },\n});\nObject.defineProperty(BasisTools, \"WasmModuleURL\", {\n get: function () {\n return BasisToolsOptions.WasmModuleURL;\n },\n set: function (value) {\n BasisToolsOptions.WasmModuleURL = value;\n 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