loaders.gl/dist/es5/common/loader-utils/array-utils.js

Framework-independent loaders for 3D graphics formats

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.padTo4Bytes = padTo4Bytes;
exports.copyArrayBuffer = copyArrayBuffer;

function padTo4Bytes(byteLength) {
  return byteLength + 3 & ~3;
}
/* Creates a new Uint8Array based on two different ArrayBuffers
 * @private
 * @param {ArrayBuffers} buffer1 The first buffer.
 * @param {ArrayBuffers} buffer2 The second buffer.
 * @return {ArrayBuffers} The new ArrayBuffer created out of the two.
 */


function copyArrayBuffer(targetBuffer, sourceBuffer, byteOffset) {
  var byteLength = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : sourceBuffer.byteLength;
  var targetArray = new Uint8Array(targetBuffer, byteOffset, byteLength);
  var sourceArray = new Uint8Array(sourceBuffer);
  targetArray.set(sourceArray);
  return targetBuffer;
}
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