three-stdlib
Version:
stand-alone library of threejs examples
545 lines (544 loc) • 22.4 kB
JavaScript
var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __publicField = (obj, key, value) => {
__defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
return value;
};
import { Loader, RGBAFormat, RGBA_ASTC_4x4_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT5_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, FileLoader, UnsignedByteType, CompressedTexture, LinearFilter, LinearMipmapLinearFilter, FloatType, HalfFloatType, DataTexture, RGFormat, RedFormat, RGBA_ASTC_6x6_Format } from "three";
import { WorkerPool } from "../utils/WorkerPool.js";
import { KHR_DF_FLAG_ALPHA_PREMULTIPLIED, read, VK_FORMAT_UNDEFINED, KHR_SUPERCOMPRESSION_ZSTD, KHR_SUPERCOMPRESSION_NONE, KHR_DF_PRIMARIES_BT709, KHR_DF_TRANSFER_SRGB, KHR_DF_PRIMARIES_DISPLAYP3, KHR_DF_PRIMARIES_UNSPECIFIED, VK_FORMAT_R32G32B32A32_SFLOAT, VK_FORMAT_R16G16B16A16_SFLOAT, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_R8G8B8A8_SRGB, VK_FORMAT_R32G32_SFLOAT, VK_FORMAT_R16G16_SFLOAT, VK_FORMAT_R8G8_UNORM, VK_FORMAT_R8G8_SRGB, VK_FORMAT_R32_SFLOAT, VK_FORMAT_R16_SFLOAT, VK_FORMAT_R8_SRGB, VK_FORMAT_R8_UNORM, VK_FORMAT_ASTC_6x6_SRGB_BLOCK, VK_FORMAT_ASTC_6x6_UNORM_BLOCK } from "../libs/ktx-parse.js";
import { ZSTDDecoder } from "../libs/zstddec.js";
import { CompressedCubeTexture } from "../_polyfill/CompressedCubeTexture.js";
import { CompressedArrayTexture } from "../_polyfill/CompressedArrayTexture.js";
import { Data3DTexture } from "../_polyfill/Data3DTexture.js";
const LinearEncoding = 3e3;
const sRGBEncoding = 3001;
const NoColorSpace = "";
const DisplayP3ColorSpace = "display-p3";
const LinearDisplayP3ColorSpace = "display-p3-linear";
const LinearSRGBColorSpace = "srgb-linear";
const SRGBColorSpace = "srgb";
const _taskCache = /* @__PURE__ */ new WeakMap();
let _activeLoaders = 0;
let _zstd;
const KTX2Loader = /* @__PURE__ */ (() => {
const _KTX2Loader = class extends Loader {
constructor(manager) {
super(manager);
this.transcoderPath = "";
this.transcoderBinary = null;
this.transcoderPending = null;
this.workerPool = new WorkerPool();
this.workerSourceURL = "";
this.workerConfig = null;
if (typeof MSC_TRANSCODER !== "undefined") {
console.warn(
'THREE.KTX2Loader: Please update to latest "basis_transcoder". "msc_basis_transcoder" is no longer supported in three.js r125+.'
);
}
}
setTranscoderPath(path) {
this.transcoderPath = path;
return this;
}
setWorkerLimit(num) {
this.workerPool.setWorkerLimit(num);
return this;
}
detectSupport(renderer) {
this.workerConfig = {
astcSupported: renderer.extensions.has("WEBGL_compressed_texture_astc"),
etc1Supported: renderer.extensions.has("WEBGL_compressed_texture_etc1"),
etc2Supported: renderer.extensions.has("WEBGL_compressed_texture_etc"),
dxtSupported: renderer.extensions.has("WEBGL_compressed_texture_s3tc"),
bptcSupported: renderer.extensions.has("EXT_texture_compression_bptc"),
pvrtcSupported: renderer.extensions.has("WEBGL_compressed_texture_pvrtc") || renderer.extensions.has("WEBKIT_WEBGL_compressed_texture_pvrtc")
};
if (renderer.capabilities.isWebGL2) {
this.workerConfig.etc1Supported = false;
}
return this;
}
init() {
if (!this.transcoderPending) {
const jsLoader = new FileLoader(this.manager);
jsLoader.setPath(this.transcoderPath);
jsLoader.setWithCredentials(this.withCredentials);
const jsContent = jsLoader.loadAsync("basis_transcoder.js");
const binaryLoader = new FileLoader(this.manager);
binaryLoader.setPath(this.transcoderPath);
binaryLoader.setResponseType("arraybuffer");
binaryLoader.setWithCredentials(this.withCredentials);
const binaryContent = binaryLoader.loadAsync("basis_transcoder.wasm");
this.transcoderPending = Promise.all([jsContent, binaryContent]).then(([jsContent2, binaryContent2]) => {
const fn = _KTX2Loader.BasisWorker.toString();
const body = [
"/* constants */",
"let _EngineFormat = " + JSON.stringify(_KTX2Loader.EngineFormat),
"let _TranscoderFormat = " + JSON.stringify(_KTX2Loader.TranscoderFormat),
"let _BasisFormat = " + JSON.stringify(_KTX2Loader.BasisFormat),
"/* basis_transcoder.js */",
jsContent2,
"/* worker */",
fn.substring(fn.indexOf("{") + 1, fn.lastIndexOf("}"))
].join("\n");
this.workerSourceURL = URL.createObjectURL(new Blob([body]));
this.transcoderBinary = binaryContent2;
this.workerPool.setWorkerCreator(() => {
const worker = new Worker(this.workerSourceURL);
const transcoderBinary = this.transcoderBinary.slice(0);
worker.postMessage({ type: "init", config: this.workerConfig, transcoderBinary }, [transcoderBinary]);
return worker;
});
});
if (_activeLoaders > 0) {
console.warn(
"THREE.KTX2Loader: Multiple active KTX2 loaders may cause performance issues. Use a single KTX2Loader instance, or call .dispose() on old instances."
);
}
_activeLoaders++;
}
return this.transcoderPending;
}
load(url, onLoad, onProgress, onError) {
if (this.workerConfig === null) {
throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");
}
const loader = new FileLoader(this.manager);
loader.setResponseType("arraybuffer");
loader.setWithCredentials(this.withCredentials);
loader.load(
url,
(buffer) => {
if (_taskCache.has(buffer)) {
const cachedTask = _taskCache.get(buffer);
return cachedTask.promise.then(onLoad).catch(onError);
}
this._createTexture(buffer).then((texture) => onLoad ? onLoad(texture) : null).catch(onError);
},
onProgress,
onError
);
}
_createTextureFrom(transcodeResult, container) {
const { faces, width, height, format, type, error, dfdFlags } = transcodeResult;
if (type === "error")
return Promise.reject(error);
let texture;
if (container.faceCount === 6) {
texture = new CompressedCubeTexture(faces, format, UnsignedByteType);
} else {
const mipmaps = faces[0].mipmaps;
texture = container.layerCount > 1 ? new CompressedArrayTexture(mipmaps, width, height, container.layerCount, format, UnsignedByteType) : new CompressedTexture(mipmaps, width, height, format, UnsignedByteType);
}
texture.minFilter = faces[0].mipmaps.length === 1 ? LinearFilter : LinearMipmapLinearFilter;
texture.magFilter = LinearFilter;
texture.generateMipmaps = false;
texture.needsUpdate = true;
const colorSpace = parseColorSpace(container);
if ("colorSpace" in texture)
texture.colorSpace = colorSpace;
else
texture.encoding = colorSpace === SRGBColorSpace ? sRGBEncoding : LinearEncoding;
texture.premultiplyAlpha = !!(dfdFlags & KHR_DF_FLAG_ALPHA_PREMULTIPLIED);
return texture;
}
/**
* @param {ArrayBuffer} buffer
* @param {object?} config
* @return {Promise<CompressedTexture|CompressedArrayTexture|DataTexture|Data3DTexture>}
*/
async _createTexture(buffer, config = {}) {
const container = read(new Uint8Array(buffer));
if (container.vkFormat !== VK_FORMAT_UNDEFINED) {
return createRawTexture(container);
}
const taskConfig = config;
const texturePending = this.init().then(() => {
return this.workerPool.postMessage({ type: "transcode", buffer, taskConfig }, [buffer]);
}).then((e) => this._createTextureFrom(e.data, container));
_taskCache.set(buffer, { promise: texturePending });
return texturePending;
}
dispose() {
this.workerPool.dispose();
if (this.workerSourceURL)
URL.revokeObjectURL(this.workerSourceURL);
_activeLoaders--;
return this;
}
};
let KTX2Loader2 = _KTX2Loader;
/* CONSTANTS */
__publicField(KTX2Loader2, "BasisFormat", {
ETC1S: 0,
UASTC_4x4: 1
});
__publicField(KTX2Loader2, "TranscoderFormat", {
ETC1: 0,
ETC2: 1,
BC1: 2,
BC3: 3,
BC4: 4,
BC5: 5,
BC7_M6_OPAQUE_ONLY: 6,
BC7_M5: 7,
PVRTC1_4_RGB: 8,
PVRTC1_4_RGBA: 9,
ASTC_4x4: 10,
ATC_RGB: 11,
ATC_RGBA_INTERPOLATED_ALPHA: 12,
RGBA32: 13,
RGB565: 14,
BGR565: 15,
RGBA4444: 16
});
__publicField(KTX2Loader2, "EngineFormat", {
RGBAFormat,
RGBA_ASTC_4x4_Format,
RGBA_BPTC_Format,
RGBA_ETC2_EAC_Format,
RGBA_PVRTC_4BPPV1_Format,
RGBA_S3TC_DXT5_Format,
RGB_ETC1_Format,
RGB_ETC2_Format,
RGB_PVRTC_4BPPV1_Format,
RGB_S3TC_DXT1_Format
});
/* WEB WORKER */
__publicField(KTX2Loader2, "BasisWorker", function() {
let config;
let transcoderPending;
let BasisModule;
const EngineFormat = _EngineFormat;
const TranscoderFormat = _TranscoderFormat;
const BasisFormat = _BasisFormat;
self.addEventListener("message", function(e) {
const message = e.data;
switch (message.type) {
case "init":
config = message.config;
init(message.transcoderBinary);
break;
case "transcode":
transcoderPending.then(() => {
try {
const { faces, buffers, width, height, hasAlpha, format, dfdFlags } = transcode(message.buffer);
self.postMessage(
{ type: "transcode", id: message.id, faces, width, height, hasAlpha, format, dfdFlags },
buffers
);
} catch (error) {
console.error(error);
self.postMessage({ type: "error", id: message.id, error: error.message });
}
});
break;
}
});
function init(wasmBinary) {
transcoderPending = new Promise((resolve) => {
BasisModule = { wasmBinary, onRuntimeInitialized: resolve };
BASIS(BasisModule);
}).then(() => {
BasisModule.initializeBasis();
if (BasisModule.KTX2File === void 0) {
console.warn("THREE.KTX2Loader: Please update Basis Universal transcoder.");
}
});
}
function transcode(buffer) {
const ktx2File = new BasisModule.KTX2File(new Uint8Array(buffer));
function cleanup() {
ktx2File.close();
ktx2File.delete();
}
if (!ktx2File.isValid()) {
cleanup();
throw new Error("THREE.KTX2Loader: Invalid or unsupported .ktx2 file");
}
const basisFormat = ktx2File.isUASTC() ? BasisFormat.UASTC_4x4 : BasisFormat.ETC1S;
const width = ktx2File.getWidth();
const height = ktx2File.getHeight();
const layerCount = ktx2File.getLayers() || 1;
const levelCount = ktx2File.getLevels();
const faceCount = ktx2File.getFaces();
const hasAlpha = ktx2File.getHasAlpha();
const dfdFlags = ktx2File.getDFDFlags();
const { transcoderFormat, engineFormat } = getTranscoderFormat(basisFormat, width, height, hasAlpha);
if (!width || !height || !levelCount) {
cleanup();
throw new Error("THREE.KTX2Loader: Invalid texture");
}
if (!ktx2File.startTranscoding()) {
cleanup();
throw new Error("THREE.KTX2Loader: .startTranscoding failed");
}
const faces = [];
const buffers = [];
for (let face = 0; face < faceCount; face++) {
const mipmaps = [];
for (let mip = 0; mip < levelCount; mip++) {
const layerMips = [];
let mipWidth, mipHeight;
for (let layer = 0; layer < layerCount; layer++) {
const levelInfo = ktx2File.getImageLevelInfo(mip, layer, face);
if (face === 0 && mip === 0 && layer === 0 && (levelInfo.origWidth % 4 !== 0 || levelInfo.origHeight % 4 !== 0)) {
console.warn("THREE.KTX2Loader: ETC1S and UASTC textures should use multiple-of-four dimensions.");
}
if (levelCount > 1) {
mipWidth = levelInfo.origWidth;
mipHeight = levelInfo.origHeight;
} else {
mipWidth = levelInfo.width;
mipHeight = levelInfo.height;
}
const dst = new Uint8Array(ktx2File.getImageTranscodedSizeInBytes(mip, layer, 0, transcoderFormat));
const status = ktx2File.transcodeImage(dst, mip, layer, face, transcoderFormat, 0, -1, -1);
if (!status) {
cleanup();
throw new Error("THREE.KTX2Loader: .transcodeImage failed.");
}
layerMips.push(dst);
}
const mipData = concat(layerMips);
mipmaps.push({ data: mipData, width: mipWidth, height: mipHeight });
buffers.push(mipData.buffer);
}
faces.push({ mipmaps, width, height, format: engineFormat });
}
cleanup();
return { faces, buffers, width, height, hasAlpha, format: engineFormat, dfdFlags };
}
const FORMAT_OPTIONS = [
{
if: "astcSupported",
basisFormat: [BasisFormat.UASTC_4x4],
transcoderFormat: [TranscoderFormat.ASTC_4x4, TranscoderFormat.ASTC_4x4],
engineFormat: [EngineFormat.RGBA_ASTC_4x4_Format, EngineFormat.RGBA_ASTC_4x4_Format],
priorityETC1S: Infinity,
priorityUASTC: 1,
needsPowerOfTwo: false
},
{
if: "bptcSupported",
basisFormat: [BasisFormat.ETC1S, BasisFormat.UASTC_4x4],
transcoderFormat: [TranscoderFormat.BC7_M5, TranscoderFormat.BC7_M5],
engineFormat: [EngineFormat.RGBA_BPTC_Format, EngineFormat.RGBA_BPTC_Format],
priorityETC1S: 3,
priorityUASTC: 2,
needsPowerOfTwo: false
},
{
if: "dxtSupported",
basisFormat: [BasisFormat.ETC1S, BasisFormat.UASTC_4x4],
transcoderFormat: [TranscoderFormat.BC1, TranscoderFormat.BC3],
engineFormat: [EngineFormat.RGB_S3TC_DXT1_Format, EngineFormat.RGBA_S3TC_DXT5_Format],
priorityETC1S: 4,
priorityUASTC: 5,
needsPowerOfTwo: false
},
{
if: "etc2Supported",
basisFormat: [BasisFormat.ETC1S, BasisFormat.UASTC_4x4],
transcoderFormat: [TranscoderFormat.ETC1, TranscoderFormat.ETC2],
engineFormat: [EngineFormat.RGB_ETC2_Format, EngineFormat.RGBA_ETC2_EAC_Format],
priorityETC1S: 1,
priorityUASTC: 3,
needsPowerOfTwo: false
},
{
if: "etc1Supported",
basisFormat: [BasisFormat.ETC1S, BasisFormat.UASTC_4x4],
transcoderFormat: [TranscoderFormat.ETC1],
engineFormat: [EngineFormat.RGB_ETC1_Format],
priorityETC1S: 2,
priorityUASTC: 4,
needsPowerOfTwo: false
},
{
if: "pvrtcSupported",
basisFormat: [BasisFormat.ETC1S, BasisFormat.UASTC_4x4],
transcoderFormat: [TranscoderFormat.PVRTC1_4_RGB, TranscoderFormat.PVRTC1_4_RGBA],
engineFormat: [EngineFormat.RGB_PVRTC_4BPPV1_Format, EngineFormat.RGBA_PVRTC_4BPPV1_Format],
priorityETC1S: 5,
priorityUASTC: 6,
needsPowerOfTwo: true
}
];
const ETC1S_OPTIONS = FORMAT_OPTIONS.sort(function(a, b) {
return a.priorityETC1S - b.priorityETC1S;
});
const UASTC_OPTIONS = FORMAT_OPTIONS.sort(function(a, b) {
return a.priorityUASTC - b.priorityUASTC;
});
function getTranscoderFormat(basisFormat, width, height, hasAlpha) {
let transcoderFormat;
let engineFormat;
const options = basisFormat === BasisFormat.ETC1S ? ETC1S_OPTIONS : UASTC_OPTIONS;
for (let i = 0; i < options.length; i++) {
const opt = options[i];
if (!config[opt.if])
continue;
if (!opt.basisFormat.includes(basisFormat))
continue;
if (hasAlpha && opt.transcoderFormat.length < 2)
continue;
if (opt.needsPowerOfTwo && !(isPowerOfTwo(width) && isPowerOfTwo(height)))
continue;
transcoderFormat = opt.transcoderFormat[hasAlpha ? 1 : 0];
engineFormat = opt.engineFormat[hasAlpha ? 1 : 0];
return { transcoderFormat, engineFormat };
}
console.warn("THREE.KTX2Loader: No suitable compressed texture format found. Decoding to RGBA32.");
transcoderFormat = TranscoderFormat.RGBA32;
engineFormat = EngineFormat.RGBAFormat;
return { transcoderFormat, engineFormat };
}
function isPowerOfTwo(value) {
if (value <= 2)
return true;
return (value & value - 1) === 0 && value !== 0;
}
function concat(arrays) {
if (arrays.length === 1)
return arrays[0];
let totalByteLength = 0;
for (let i = 0; i < arrays.length; i++) {
const array = arrays[i];
totalByteLength += array.byteLength;
}
const result = new Uint8Array(totalByteLength);
let byteOffset = 0;
for (let i = 0; i < arrays.length; i++) {
const array = arrays[i];
result.set(array, byteOffset);
byteOffset += array.byteLength;
}
return result;
}
});
return KTX2Loader2;
})();
const UNCOMPRESSED_FORMATS = /* @__PURE__ */ new Set([RGBAFormat, RGFormat, RedFormat]);
const FORMAT_MAP = {
[VK_FORMAT_R32G32B32A32_SFLOAT]: RGBAFormat,
[VK_FORMAT_R16G16B16A16_SFLOAT]: RGBAFormat,
[VK_FORMAT_R8G8B8A8_UNORM]: RGBAFormat,
[VK_FORMAT_R8G8B8A8_SRGB]: RGBAFormat,
[VK_FORMAT_R32G32_SFLOAT]: RGFormat,
[VK_FORMAT_R16G16_SFLOAT]: RGFormat,
[VK_FORMAT_R8G8_UNORM]: RGFormat,
[VK_FORMAT_R8G8_SRGB]: RGFormat,
[VK_FORMAT_R32_SFLOAT]: RedFormat,
[VK_FORMAT_R16_SFLOAT]: RedFormat,
[VK_FORMAT_R8_SRGB]: RedFormat,
[VK_FORMAT_R8_UNORM]: RedFormat,
[VK_FORMAT_ASTC_6x6_SRGB_BLOCK]: RGBA_ASTC_6x6_Format,
[VK_FORMAT_ASTC_6x6_UNORM_BLOCK]: RGBA_ASTC_6x6_Format
};
const TYPE_MAP = {
[VK_FORMAT_R32G32B32A32_SFLOAT]: FloatType,
[VK_FORMAT_R16G16B16A16_SFLOAT]: HalfFloatType,
[VK_FORMAT_R8G8B8A8_UNORM]: UnsignedByteType,
[VK_FORMAT_R8G8B8A8_SRGB]: UnsignedByteType,
[VK_FORMAT_R32G32_SFLOAT]: FloatType,
[VK_FORMAT_R16G16_SFLOAT]: HalfFloatType,
[VK_FORMAT_R8G8_UNORM]: UnsignedByteType,
[VK_FORMAT_R8G8_SRGB]: UnsignedByteType,
[VK_FORMAT_R32_SFLOAT]: FloatType,
[VK_FORMAT_R16_SFLOAT]: HalfFloatType,
[VK_FORMAT_R8_SRGB]: UnsignedByteType,
[VK_FORMAT_R8_UNORM]: UnsignedByteType,
[VK_FORMAT_ASTC_6x6_SRGB_BLOCK]: UnsignedByteType,
[VK_FORMAT_ASTC_6x6_UNORM_BLOCK]: UnsignedByteType
};
async function createRawTexture(container) {
const { vkFormat } = container;
if (FORMAT_MAP[vkFormat] === void 0) {
throw new Error("THREE.KTX2Loader: Unsupported vkFormat.");
}
let zstd;
if (container.supercompressionScheme === KHR_SUPERCOMPRESSION_ZSTD) {
if (!_zstd) {
_zstd = new Promise(async (resolve) => {
const zstd2 = new ZSTDDecoder();
await zstd2.init();
resolve(zstd2);
});
}
zstd = await _zstd;
}
const mipmaps = [];
for (let levelIndex = 0; levelIndex < container.levels.length; levelIndex++) {
const levelWidth = Math.max(1, container.pixelWidth >> levelIndex);
const levelHeight = Math.max(1, container.pixelHeight >> levelIndex);
const levelDepth = container.pixelDepth ? Math.max(1, container.pixelDepth >> levelIndex) : 0;
const level = container.levels[levelIndex];
let levelData;
if (container.supercompressionScheme === KHR_SUPERCOMPRESSION_NONE) {
levelData = level.levelData;
} else if (container.supercompressionScheme === KHR_SUPERCOMPRESSION_ZSTD) {
levelData = zstd.decode(level.levelData, level.uncompressedByteLength);
} else {
throw new Error("THREE.KTX2Loader: Unsupported supercompressionScheme.");
}
let data;
if (TYPE_MAP[vkFormat] === FloatType) {
data = new Float32Array(
levelData.buffer,
levelData.byteOffset,
levelData.byteLength / Float32Array.BYTES_PER_ELEMENT
);
} else if (TYPE_MAP[vkFormat] === HalfFloatType) {
data = new Uint16Array(
levelData.buffer,
levelData.byteOffset,
levelData.byteLength / Uint16Array.BYTES_PER_ELEMENT
);
} else {
data = levelData;
}
mipmaps.push({
data,
width: levelWidth,
height: levelHeight,
depth: levelDepth
});
}
let texture;
if (UNCOMPRESSED_FORMATS.has(FORMAT_MAP[vkFormat])) {
texture = container.pixelDepth === 0 ? new DataTexture(mipmaps[0].data, container.pixelWidth, container.pixelHeight) : new Data3DTexture(mipmaps[0].data, container.pixelWidth, container.pixelHeight, container.pixelDepth);
} else {
if (container.pixelDepth > 0)
throw new Error("THREE.KTX2Loader: Unsupported pixelDepth.");
texture = new CompressedTexture(mipmaps, container.pixelWidth, container.pixelHeight);
}
texture.mipmaps = mipmaps;
texture.type = TYPE_MAP[vkFormat];
texture.format = FORMAT_MAP[vkFormat];
texture.needsUpdate = true;
const colorSpace = parseColorSpace(container);
if ("colorSpace" in texture)
texture.colorSpace = colorSpace;
else
texture.encoding = colorSpace === SRGBColorSpace ? sRGBEncoding : LinearEncoding;
return Promise.resolve(texture);
}
function parseColorSpace(container) {
const dfd = container.dataFormatDescriptor[0];
if (dfd.colorPrimaries === KHR_DF_PRIMARIES_BT709) {
return dfd.transferFunction === KHR_DF_TRANSFER_SRGB ? SRGBColorSpace : LinearSRGBColorSpace;
} else if (dfd.colorPrimaries === KHR_DF_PRIMARIES_DISPLAYP3) {
return dfd.transferFunction === KHR_DF_TRANSFER_SRGB ? DisplayP3ColorSpace : LinearDisplayP3ColorSpace;
} else if (dfd.colorPrimaries === KHR_DF_PRIMARIES_UNSPECIFIED) {
return NoColorSpace;
} else {
console.warn(`THREE.KTX2Loader: Unsupported color primaries, "${dfd.colorPrimaries}"`);
return NoColorSpace;
}
}
export {
KTX2Loader
};
//# sourceMappingURL=KTX2Loader.js.map