@openhps/core/dist/cjs/three/nodes/display/ViewportSharedTextureNode.js

Open Hybrid Positioning System - Core component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.viewportSharedTexture = exports.default = void 0;
var _ViewportTextureNode = _interopRequireDefault(require("./ViewportTextureNode.js"));
var _TSLBase = require("../tsl/TSLBase.js");
var _ScreenNode = require("./ScreenNode.js");
var _FramebufferTexture = require("../../textures/FramebufferTexture.js");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
let _sharedFramebuffer = null;

/**
 * `ViewportTextureNode` creates an internal texture for each node instance. This module
 * shares a texture across all instances of `ViewportSharedTextureNode`. It should
 * be the first choice when using data of the default/screen framebuffer for performance reasons.
 *
 * @augments ViewportTextureNode
 */
class ViewportSharedTextureNode extends _ViewportTextureNode.default {
  static get type() {
    return 'ViewportSharedTextureNode';
  }

  /**
   * Constructs a new viewport shared texture node.
   *
   * @param {Node} [uvNode=screenUV] - The uv node.
   * @param {?Node} [levelNode=null] - The level node.
   */
  constructor(uvNode = _ScreenNode.screenUV, levelNode = null) {
    if (_sharedFramebuffer === null) {
      _sharedFramebuffer = new _FramebufferTexture.FramebufferTexture();
    }
    super(uvNode, levelNode, _sharedFramebuffer);
  }
  updateReference() {
    return this;
  }
}
var _default = exports.default = ViewportSharedTextureNode;
/**
 * TSL function for creating a shared viewport texture node.
 *
 * @tsl
 * @function
 * @param {?Node} [uvNode=screenUV] - The uv node.
 * @param {?Node} [levelNode=null] - The level node.
 * @returns {ViewportSharedTextureNode}
 */
const viewportSharedTexture = exports.viewportSharedTexture = /*@__PURE__*/(0, _TSLBase.nodeProxy)(ViewportSharedTextureNode).setParameterLength(0, 2);