(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports);
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports);
    global.WebGPUGeometries = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports) {
  "use strict";

  Object.defineProperty(_exports, "__esModule", {
    value: true
  });
  _exports.default = void 0;

  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

  function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

  var WebGPUGeometries = /*#__PURE__*/function () {
    function WebGPUGeometries(attributes, info) {
      _classCallCheck(this, WebGPUGeometries);

      this.attributes = attributes;
      this.info = info;
      this.geometries = new WeakMap();
    }

    _createClass(WebGPUGeometries, [{
      key: "update",
      value: function update(geometry) {
        if (this.geometries.has(geometry) === false) {
          var disposeCallback = onGeometryDispose.bind(this);
          this.geometries.set(geometry, disposeCallback);
          this.info.memory.geometries++;
          geometry.addEventListener('dispose', disposeCallback);
        }

        var geometryAttributes = geometry.attributes;

        for (var name in geometryAttributes) {
          this.attributes.update(geometryAttributes[name]);
        }

        var index = geometry.index;

        if (index !== null) {
          this.attributes.update(index, true);
        }
      }
    }]);

    return WebGPUGeometries;
  }();

  function onGeometryDispose(event) {
    var geometry = event.target;
    var disposeCallback = this.geometries.get(geometry);
    this.geometries.delete(geometry);
    this.info.memory.geometries--;
    geometry.removeEventListener('dispose', disposeCallback); //

    var index = geometry.index;
    var geometryAttributes = geometry.attributes;

    if (index !== null) {
      this.attributes.remove(index);
    }

    for (var name in geometryAttributes) {
      this.attributes.remove(geometryAttributes[name]);
    }
  }

  var _default = WebGPUGeometries;
  _exports.default = _default;
});