1 /* 2 * Copyright 2020 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 17 #pragma once 18 19 #include <ostream> 20 21 #include <ftl/enum.h> 22 23 namespace android::scheduler { 24 25 // The seamlessness requirement of a Layer. 26 enum class Seamlessness { 27 // Indicates a requirement for a seamless mode switch. 28 OnlySeamless, 29 // Indicates that both seamless and seamed mode switches are allowed. 30 SeamedAndSeamless, 31 // Indicates no preference for seamlessness. For such layers the system will 32 // prefer seamless switches, but also non-seamless switches to the group of the 33 // default config are allowed. 34 Default, 35 36 ftl_last = Default 37 }; 38 39 // Used by gtest 40 inline std::ostream& operator<<(std::ostream& os, Seamlessness s) { 41 return os << ftl::enum_string(s); 42 } 43 44 } // namespace android::scheduler 45