1 /* 2 * Copyright (C) 2011 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 #ifndef GL_UTILS_H 17 #define GL_UTILS_H 18 19 typedef enum{ 20 GLES_1_1 = 1, 21 GLES_2_0 = 2, 22 MAX_GLES_VERSION //Must be last 23 }GLESVersion; 24 25 template <class T> swap(T & x,T & y)26void swap(T& x,T& y) { 27 T temp; 28 temp=x; 29 x=y; 30 y=temp; 31 } 32 33 bool isPowerOf2(int num); 34 35 #endif 36