kepler.gl.geoiq/dist/utils/gl-utils.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _luma = require("luma.gl");

var _brushingModule = _interopRequireDefault(require("../shaderlib/brushing-module"));

var _defaultSettings = require("../constants/default-settings");

var _constants = _interopRequireDefault(require("@luma.gl/constants"));

function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }

function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { (0, _defineProperty2["default"])(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }

var getGlConst = function getGlConst(d) {
  return _constants["default"][d];
};

function onWebGLInitialized(gl) {
  (0, _luma.registerShaderModules)([_brushingModule["default"]], {
    ignoreMultipleRegistrations: true
  });
}

function setLayerBlending(gl, layerBlending) {
  var blending = _defaultSettings.LAYER_BLENDINGS[layerBlending];
  var blendFunc = blending.blendFunc,
      blendEquation = blending.blendEquation;
  (0, _luma.setParameters)(gl, _objectSpread((0, _defineProperty2["default"])({}, _constants["default"].BLEND, true), blendFunc ? {
    blendFunc: blendFunc.map(getGlConst),
    blendEquation: Array.isArray(blendEquation) ? blendEquation.map(getGlConst) : getGlConst(blendEquation)
  } : {}));
}

;
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