82 lines
2.8 KiB
JavaScript
82 lines
2.8 KiB
JavaScript
'use strict';
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var adapter = require('../../../../environment/adapter.js');
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var Extensions = require('../../../../extensions/Extensions.js');
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var ImageSource = require('../../../../rendering/renderers/shared/texture/sources/ImageSource.js');
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var getResolutionOfUrl = require('../../../../utils/network/getResolutionOfUrl.js');
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var checkDataUrl = require('../../../utils/checkDataUrl.js');
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var checkExtension = require('../../../utils/checkExtension.js');
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var WorkerManager = require('../../workers/WorkerManager.js');
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var LoaderParser = require('../LoaderParser.js');
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var createTexture = require('./utils/createTexture.js');
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"use strict";
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const validImageExtensions = [".jpeg", ".jpg", ".png", ".webp", ".avif"];
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const validImageMIMEs = [
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"image/jpeg",
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"image/png",
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"image/webp",
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"image/avif"
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];
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async function loadImageBitmap(url, asset) {
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const response = await adapter.DOMAdapter.get().fetch(url);
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if (!response.ok) {
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throw new Error(`[loadImageBitmap] Failed to fetch ${url}: ${response.status} ${response.statusText}`);
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}
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const imageBlob = await response.blob();
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return asset?.data?.alphaMode === "premultiplied-alpha" ? createImageBitmap(imageBlob, { premultiplyAlpha: "none" }) : createImageBitmap(imageBlob);
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}
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const loadTextures = {
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name: "loadTextures",
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extension: {
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type: Extensions.ExtensionType.LoadParser,
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priority: LoaderParser.LoaderParserPriority.High,
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name: "loadTextures"
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},
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config: {
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preferWorkers: true,
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preferCreateImageBitmap: true,
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crossOrigin: "anonymous"
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},
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test(url) {
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return checkDataUrl.checkDataUrl(url, validImageMIMEs) || checkExtension.checkExtension(url, validImageExtensions);
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},
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async load(url, asset, loader) {
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let src = null;
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if (globalThis.createImageBitmap && this.config.preferCreateImageBitmap) {
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if (this.config.preferWorkers && await WorkerManager.WorkerManager.isImageBitmapSupported()) {
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src = await WorkerManager.WorkerManager.loadImageBitmap(url, asset);
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} else {
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src = await loadImageBitmap(url, asset);
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}
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} else {
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src = await new Promise((resolve) => {
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src = new Image();
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src.crossOrigin = this.config.crossOrigin;
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src.src = url;
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if (src.complete) {
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resolve(src);
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} else {
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src.onload = () => {
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resolve(src);
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};
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}
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});
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}
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const base = new ImageSource.ImageSource({
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resource: src,
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alphaMode: "premultiply-alpha-on-upload",
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resolution: asset.data?.resolution || getResolutionOfUrl.getResolutionOfUrl(url),
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...asset.data
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});
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return createTexture.createTexture(base, loader, url);
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},
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unload(texture) {
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texture.destroy(true);
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}
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};
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exports.loadImageBitmap = loadImageBitmap;
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exports.loadTextures = loadTextures;
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//# sourceMappingURL=loadTextures.js.map
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