pixi.js/lib/rendering/renderers/shared/geometry/utils/ensureIsBuffer.mjs

PixiJS — The HTML5 Creation Engine =============

import { Buffer } from '../../buffer/Buffer.mjs';
import { BufferUsage } from '../../buffer/const.mjs';

"use strict";
function ensureIsBuffer(buffer, index) {
  if (!(buffer instanceof Buffer)) {
    let usage = index ? BufferUsage.INDEX : BufferUsage.VERTEX;
    if (buffer instanceof Array) {
      if (index) {
        buffer = new Uint32Array(buffer);
        usage = BufferUsage.INDEX | BufferUsage.COPY_DST;
      } else {
        buffer = new Float32Array(buffer);
        usage = BufferUsage.VERTEX | BufferUsage.COPY_DST;
      }
    }
    buffer = new Buffer({
      data: buffer,
      label: index ? "index-mesh-buffer" : "vertex-mesh-buffer",
      usage
    });
  }
  return buffer;
}

export { ensureIsBuffer };
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