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      1 /*
      2 * Copyright (C) 2018 The Android Open Source Project
      3 *
      4 * Licensed under the Apache License, Version 2.0 (the "License");
      5 * you may not use this file except in compliance with the License.
      6 * You may obtain a copy of the License at
      7 *
      8 * http://www.apache.org/licenses/LICENSE-2.0
      9 *
     10 * Unless required by applicable law or agreed to in writing, software
     11 * distributed under the License is distributed on an "AS IS" BASIS,
     12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 * See the License for the specific language governing permissions and
     14 * limitations under the License.
     15 */
     16 #pragma once
     17 
     18 #include <map>
     19 
     20 template <typename T>
     21 void clearObjectMap(std::map<GLuint, T>& v) {
     22     typename std::map<GLuint, T>::iterator it = v.begin();
     23     for (; it != v.end(); ++it) {
     24         delete it->second;
     25     }
     26     v.clear();
     27 }
     28 
     29 template <typename K, typename V>
     30 V findObjectOrDefault(const std::map<K, V>& m, K key, V defaultValue = 0) {
     31     typename std::map<K, V>::const_iterator it = m.find(key);
     32 
     33     if (it == m.end()) {
     34         return defaultValue;
     35     }
     36 
     37     return it->second;
     38 }
     39