(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports", "three", "../materials/NodeMaterial.js", "../inputs/ScreenNode.js"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require("three"), require("../materials/NodeMaterial.js"), require("../inputs/ScreenNode.js"));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.three, global.NodeMaterial, global.ScreenNode);
    global.NodePostProcessing = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _three, _NodeMaterial, _ScreenNode) {
  "use strict";

  Object.defineProperty(_exports, "__esModule", {
    value: true
  });
  _exports.NodePostProcessing = 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 NodePostProcessing = /*#__PURE__*/function () {
    function NodePostProcessing(renderer, renderTarget) {
      _classCallCheck(this, NodePostProcessing);

      if (renderTarget === undefined) {
        var parameters = {
          minFilter: _three.LinearFilter,
          magFilter: _three.LinearFilter,
          format: _three.RGBAFormat
        };
        var size = renderer.getDrawingBufferSize(new _three.Vector2());
        renderTarget = new _three.WebGLRenderTarget(size.width, size.height, parameters);
      }

      this.renderer = renderer;
      this.renderTarget = renderTarget;
      this.output = new _ScreenNode.ScreenNode();
      this.material = new _NodeMaterial.NodeMaterial();
      this.camera = new _three.OrthographicCamera(-1, 1, 1, -1, 0, 1);
      this.scene = new _three.Scene();
      this.quad = new _three.Mesh(new _three.PlaneGeometry(2, 2), this.material);
      this.quad.frustumCulled = false; // Avoid getting clipped

      this.scene.add(this.quad);
      this.needsUpdate = true;
    }

    _createClass(NodePostProcessing, [{
      key: "render",
      value: function render(scene, camera, frame) {
        if (this.needsUpdate) {
          this.material.dispose();
          this.material.fragment.value = this.output;
          this.material.build();

          if (this.material.uniforms.renderTexture) {
            this.material.uniforms.renderTexture.value = this.renderTarget.texture;
          }

          this.needsUpdate = false;
        }

        frame.setRenderer(this.renderer).setRenderTexture(this.renderTarget.texture);
        this.renderer.setRenderTarget(this.renderTarget);
        this.renderer.render(scene, camera);
        frame.updateNode(this.material);
        this.renderer.setRenderTarget(null);
        this.renderer.render(this.scene, this.camera);
      }
    }, {
      key: "setPixelRatio",
      value: function setPixelRatio(value) {
        this.renderer.setPixelRatio(value);
        var size = this.renderer.getSize(new _three.Vector2());
        this.setSize(size.width, size.height);
      }
    }, {
      key: "setSize",
      value: function setSize(width, height) {
        var pixelRatio = this.renderer.getPixelRatio();
        this.renderTarget.setSize(width * pixelRatio, height * pixelRatio);
        this.renderer.setSize(width, height);
      }
    }, {
      key: "copy",
      value: function copy(source) {
        this.output = source.output;
        return this;
      }
    }, {
      key: "toJSON",
      value: function toJSON(meta) {
        var isRootObject = meta === undefined || typeof meta === 'string';

        if (isRootObject) {
          meta = {
            nodes: {}
          };
        }

        if (meta && !meta.post) meta.post = {};

        if (!meta.post[this.uuid]) {
          var data = {};
          data.uuid = this.uuid;
          data.type = 'NodePostProcessing';
          meta.post[this.uuid] = data;
          if (this.name !== '') data.name = this.name;
          if (JSON.stringify(this.userData) !== '{}') data.userData = this.userData;
          data.output = this.output.toJSON(meta).uuid;
        }

        meta.post = this.uuid;
        return meta;
      }
    }]);

    return NodePostProcessing;
  }();

  _exports.NodePostProcessing = NodePostProcessing;
});