pixi.js/lib/rendering/renderers/gpu/shader/utils/removeStructAndGroupDuplicates.js

PixiJS — The HTML5 Creation Engine =============

'use strict';

"use strict";
function removeStructAndGroupDuplicates(vertexStructsAndGroups, fragmentStructsAndGroups) {
  const structNameSet = /* @__PURE__ */ new Set();
  const dupeGroupKeySet = /* @__PURE__ */ new Set();
  const structs = [...vertexStructsAndGroups.structs, ...fragmentStructsAndGroups.structs].filter((struct) => {
    if (structNameSet.has(struct.name)) {
      return false;
    }
    structNameSet.add(struct.name);
    return true;
  });
  const groups = [...vertexStructsAndGroups.groups, ...fragmentStructsAndGroups.groups].filter((group) => {
    const key = `${group.name}-${group.binding}`;
    if (dupeGroupKeySet.has(key)) {
      return false;
    }
    dupeGroupKeySet.add(key);
    return true;
  });
  return { structs, groups };
}

exports.removeStructAndGroupDuplicates = removeStructAndGroupDuplicates;
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