pixi-basis-ktx2
Version:
Loader for the *.basis & *.ktx2 supercompressed texture file format. This package also ships with the transcoder!
99 lines • 6.01 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.loadBasis = void 0;
exports.loadBasisBufferToTexture = loadBasisBufferToTexture;
exports.loadBasisBufferToArray = loadBasisBufferToArray;
/* eslint-disable @typescript-eslint/no-unsafe-argument */
const assets_1 = require("@pixi/assets");
const compressed_textures_1 = require("@pixi/compressed-textures");
const core_1 = require("@pixi/core");
const Basis_1 = require("../Basis");
const TranscoderWorkerBasis_1 = require("../TranscoderWorkerBasis");
const BasisParser_1 = require("./BasisParser");
/** Load BASIS textures! */
exports.loadBasis = {
extension: {
type: core_1.ExtensionType.LoadParser,
priority: assets_1.LoaderParserPriority.High,
},
name: 'loadBasis',
test(url) {
return (0, assets_1.checkExtension)(url, '.basis');
},
load(url, asset, loader) {
return __awaiter(this, void 0, void 0, function* () {
var _a;
yield TranscoderWorkerBasis_1.TranscoderWorkerBasis.onTranscoderInitialized;
// get an array buffer...
const response = yield core_1.settings.ADAPTER.fetch(url);
const arrayBuffer = yield response.arrayBuffer();
const resources = yield BasisParser_1.BasisParser.transcode(arrayBuffer);
const type = (resources === null || resources === void 0 ? void 0 : resources.basisFormat) ? Basis_1.BASIS_FORMAT_TO_TYPE[resources === null || resources === void 0 ? void 0 : resources.basisFormat] : undefined;
const format = (resources === null || resources === void 0 ? void 0 : resources.basisFormat) !== Basis_1.BASIS_FORMATS.cTFRGBA32 ? core_1.FORMATS.RGB : core_1.FORMATS.RGBA;
const textures = (_a = resources === null || resources === void 0 ? void 0 : resources.map((resource) => {
const base = new core_1.BaseTexture(resource, Object.assign({ mipmap: resource instanceof compressed_textures_1.CompressedTextureResource && resource.levels > 1 ? core_1.MIPMAP_MODES.ON_MANUAL : core_1.MIPMAP_MODES.OFF, alphaMode: core_1.ALPHA_MODES.NO_PREMULTIPLIED_ALPHA, type,
format }, asset.data));
return (0, assets_1.createTexture)(base, loader, url);
})) !== null && _a !== void 0 ? _a : [];
return textures.length === 1 ? textures[0] : textures;
});
},
unload(texture) {
if (Array.isArray(texture)) {
texture.forEach((t) => t.destroy(true));
}
else {
texture.destroy(true);
}
},
};
core_1.extensions.add(exports.loadBasis);
function loadBasisBufferToTexture(byteArr, fileName, loader) {
return __awaiter(this, void 0, void 0, function* () {
yield TranscoderWorkerBasis_1.TranscoderWorkerBasis.onTranscoderInitialized;
const resources = yield BasisParser_1.BasisParser.transcode(byteArr.buffer);
const type = (resources === null || resources === void 0 ? void 0 : resources.basisFormat) ? Basis_1.BASIS_FORMAT_TO_TYPE[resources === null || resources === void 0 ? void 0 : resources.basisFormat] : undefined;
const format = (resources === null || resources === void 0 ? void 0 : resources.basisFormat) !== Basis_1.BASIS_FORMATS.cTFRGBA32 ? core_1.FORMATS.RGB : core_1.FORMATS.RGBA;
if (!resources || !resources[0])
return undefined;
const mainResource = resources[0];
const base = new core_1.BaseTexture(mainResource, {
mipmap: mainResource instanceof compressed_textures_1.CompressedTextureResource && mainResource.levels > 1 ? core_1.MIPMAP_MODES.ON_MANUAL : core_1.MIPMAP_MODES.OFF,
alphaMode: core_1.ALPHA_MODES.NO_PREMULTIPLIED_ALPHA,
type,
format,
});
const texture = (0, assets_1.createTexture)(base, loader, fileName);
return texture;
});
}
function loadBasisBufferToArray(byteArr, fileName, loader) {
return __awaiter(this, void 0, void 0, function* () {
var _a;
yield TranscoderWorkerBasis_1.TranscoderWorkerBasis.onTranscoderInitialized;
const resources = yield BasisParser_1.BasisParser.transcode(byteArr.buffer);
const type = (resources === null || resources === void 0 ? void 0 : resources.basisFormat) ? Basis_1.BASIS_FORMAT_TO_TYPE[resources === null || resources === void 0 ? void 0 : resources.basisFormat] : undefined;
const format = (resources === null || resources === void 0 ? void 0 : resources.basisFormat) !== Basis_1.BASIS_FORMATS.cTFRGBA32 ? core_1.FORMATS.RGB : core_1.FORMATS.RGBA;
const textures = (_a = resources === null || resources === void 0 ? void 0 : resources.map((resource) => {
const base = new core_1.BaseTexture(resource, {
mipmap: resource instanceof compressed_textures_1.CompressedTextureResource && resource.levels > 1 ? core_1.MIPMAP_MODES.ON_MANUAL : core_1.MIPMAP_MODES.OFF,
alphaMode: core_1.ALPHA_MODES.NO_PREMULTIPLIED_ALPHA,
type,
format,
});
const texture = (0, assets_1.createTexture)(base, loader, fileName);
return texture;
})) !== null && _a !== void 0 ? _a : [];
return textures;
});
}
//# sourceMappingURL=loadBasis.js.map