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- {"ast":null,"code":"import _asyncToGenerator from \"F:/workspace/202226701027/huinongbao-app/node_modules/@babel/runtime/helpers/esm/asyncToGenerator.js\";\nimport { ThinEngine } from \"../../Engines/thinEngine.js\";\nimport { InternalTexture } from \"../../Materials/Textures/internalTexture.js\";\nimport { Logger } from \"../../Misc/logger.js\";\nimport { SphericalPolynomial } from \"../../Maths/sphericalPolynomial.js\";\nimport { BaseTexture } from \"../../Materials/Textures/baseTexture.js\";\nThinEngine.prototype.createPrefilteredCubeTexture = function (rootUrl, scene, lodScale, lodOffset, onLoad = null, onError = null, format, forcedExtension = null, createPolynomials = true) {\n var _this = this;\n const callback = /*#__PURE__*/function () {\n var _ref = _asyncToGenerator(function* (loadData) {\n if (!loadData) {\n if (onLoad) {\n onLoad(null);\n }\n return;\n }\n const texture = loadData.texture;\n if (!createPolynomials) {\n texture._sphericalPolynomial = new SphericalPolynomial();\n } else if (loadData.info.sphericalPolynomial) {\n texture._sphericalPolynomial = loadData.info.sphericalPolynomial;\n }\n texture._source = 9 /* InternalTextureSource.CubePrefiltered */;\n if (_this.getCaps().textureLOD) {\n // Do not add extra process if texture lod is supported.\n if (onLoad) {\n onLoad(texture);\n }\n return;\n }\n const mipSlices = 3;\n const gl = _this._gl;\n const width = loadData.width;\n if (!width) {\n return;\n }\n // eslint-disable-next-line @typescript-eslint/naming-convention\n const {\n DDSTools\n } = yield import(\"../../Misc/dds.js\");\n const textures = [];\n for (let i = 0; i < mipSlices; i++) {\n //compute LOD from even spacing in smoothness (matching shader calculation)\n const smoothness = i / (mipSlices - 1);\n const roughness = 1 - smoothness;\n const minLODIndex = lodOffset; // roughness = 0\n const maxLODIndex = Math.log2(width) * lodScale + lodOffset; // roughness = 1\n const lodIndex = minLODIndex + (maxLODIndex - minLODIndex) * roughness;\n const mipmapIndex = Math.round(Math.min(Math.max(lodIndex, 0), maxLODIndex));\n const glTextureFromLod = new InternalTexture(_this, 2 /* InternalTextureSource.Temp */);\n glTextureFromLod.type = texture.type;\n glTextureFromLod.format = texture.format;\n glTextureFromLod.width = Math.pow(2, Math.max(Math.log2(width) - mipmapIndex, 0));\n glTextureFromLod.height = glTextureFromLod.width;\n glTextureFromLod.isCube = true;\n glTextureFromLod._cachedWrapU = 0;\n glTextureFromLod._cachedWrapV = 0;\n _this._bindTextureDirectly(gl.TEXTURE_CUBE_MAP, glTextureFromLod, true);\n glTextureFromLod.samplingMode = 2;\n gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MAG_FILTER, gl.LINEAR);\n gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_MIN_FILTER, gl.LINEAR);\n gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);\n gl.texParameteri(gl.TEXTURE_CUBE_MAP, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);\n if (loadData.isDDS) {\n const info = loadData.info;\n const data = loadData.data;\n _this._unpackFlipY(info.isCompressed);\n DDSTools.UploadDDSLevels(_this, glTextureFromLod, data, info, true, 6, mipmapIndex);\n } else {\n Logger.Warn(\"DDS is the only prefiltered cube map supported so far.\");\n }\n _this._bindTextureDirectly(gl.TEXTURE_CUBE_MAP, null);\n // Wrap in a base texture for easy binding.\n const lodTexture = new BaseTexture(scene);\n lodTexture._isCube = true;\n lodTexture._texture = glTextureFromLod;\n glTextureFromLod.isReady = true;\n textures.push(lodTexture);\n }\n texture._lodTextureHigh = textures[2];\n texture._lodTextureMid = textures[1];\n texture._lodTextureLow = textures[0];\n if (onLoad) {\n onLoad(texture);\n }\n });\n return function callback(_x) {\n return _ref.apply(this, arguments);\n };\n }();\n return this.createCubeTexture(rootUrl, scene, null, false, callback, onError, format, forcedExtension, createPolynomials, lodScale, lodOffset);\n};","map":{"version":3,"names":["ThinEngine","InternalTexture","Logger","SphericalPolynomial","BaseTexture","prototype","createPrefilteredCubeTexture","rootUrl","scene","lodScale","lodOffset","onLoad","onError","format","forcedExtension","createPolynomials","_this","callback","_ref","_asyncToGenerator","loadData","texture","_sphericalPolynomial","info","sphericalPolynomial","_source","getCaps","textureLOD","mipSlices","gl","_gl","width","DDSTools","textures","i","smoothness","roughness","minLODIndex","maxLODIndex","Math","log2","lodIndex","mipmapIndex","round","min","max","glTextureFromLod","type","pow","height","isCube","_cachedWrapU","_cachedWrapV","_bindTextureDirectly","TEXTURE_CUBE_MAP","samplingMode","texParameteri","TEXTURE_MAG_FILTER","LINEAR","TEXTURE_MIN_FILTER","TEXTURE_WRAP_S","CLAMP_TO_EDGE","TEXTURE_WRAP_T","isDDS","data","_unpackFlipY","isCompressed","UploadDDSLevels","Warn","lodTexture","_isCube","_texture","isReady","push","_lodTextureHigh","_lodTextureMid","_lodTextureLow","_x","apply","arguments","createCubeTexture"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Engines/Extensions/engine.prefilteredCubeTexture.js"],"sourcesContent":["import { ThinEngine } from \"../../Engines/thinEngine.js\";\nimport { InternalTexture } from \"../../Materials/Textures/internalTexture.js\";\nimport { Logger } from \"../../Misc/logger.js\";\n\nimport { SphericalPolynomial } from \"../../Maths/sphericalPolynomial.js\";\nimport { BaseTexture } from \"../../Materials/Textures/baseTexture.js\";\nThinEngine.prototype.createPrefilteredCubeTexture = function (rootUrl, scene, lodScale, lodOffset, onLoad = null, onError = null, format, forcedExtension = null, createPolynomials = true) {\n const callback = async (loadData) => {\n if (!loadData) {\n if (onLoad) {\n onLoad(null);\n }\n return;\n }\n const texture = loadData.texture;\n if (!createPolynomials) {\n texture._sphericalPolynomial = new SphericalPolynomial();\n }\n else if (loadData.info.sphericalPolynomial) {\n texture._sphericalPolynomial = loadData.info.sphericalPolynomial;\n }\n texture._source = 9 /* InternalTextureSource.CubePrefiltered */;\n if (this.getCaps().textureLOD) {\n // Do not add extra process if texture lod is supported.\n if (onLoad) {\n onLoad(texture);\n }\n return;\n }\n const mipSlices = 3;\n const gl = this._gl;\n const width = loadData.width;\n if (!width) {\n return;\n }\n // eslint-disable-next-line @typescript-eslint/naming-convention\n const { DDSTools } = await import(\"../../Misc/dds.js\");\n const textures = [];\n for (let i = 0; i < mipSlices; i++) {\n //compute LOD from even spacing in smoothness (matching shader calculation)\n const smoothness = i / (mipSlices - 1);\n const roughness = 1 - smoothness;\n const minLODIndex = lodOffset; // roughness = 0\n const maxLODIndex = Math.log2(width) * lodScale + lodOffset; // roughness = 1\n const lodIndex = minLODIndex + (maxLODIndex - minLODIndex) * roughness;\n const mipmapIndex = Math.round(Math.min(Math.max(lodIndex, 0), maxLODIndex));\n const glTextureFromLod = new InternalTexture(this, 2 /* InternalTextureSource.Temp */);\n glTextureFromLod.type = texture.type;\n glTextureFromLod.format = 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