kepler.gl/src/utils/dist/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.setLayerBlending = setLayerBlending;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _core = require("@luma.gl/core");
var _constants = require("@kepler.gl/constants");
var _constants2 = _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; } // SPDX-License-Identifier: MIT
// Copyright contributors to the kepler.gl project
var getGlConst = function getGlConst(d) {
  return _constants2["default"][d];
};
function setLayerBlending(gl, layerBlending) {
  var blending = _constants.LAYER_BLENDINGS[layerBlending];
  var blendFunc = blending.blendFunc,
    blendEquation = blending.blendEquation;
  (0, _core.setParameters)(gl, _objectSpread((0, _defineProperty2["default"])({}, _constants2["default"].BLEND, true), blendFunc ? {
    blendFunc: blendFunc.map(getGlConst),
    blendEquation: Array.isArray(blendEquation) ? blendEquation.map(getGlConst) : getGlConst(blendEquation)
  } : {}));
}
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