1/* 2 * Copyright (C) 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 17syntax = "proto2"; 18 19package perfetto.protos; 20 21// Describes the state of the RendererScheduler for a given Renderer Process. 22 23// RAIL Mode is an indication of the kind of work that a Renderer is currently 24// performing which is in turn used to prioritise work accordingly. 25// A fuller description of these modes can be found https://web.dev/rail/ 26enum ChromeRAILMode { 27 RAIL_MODE_NONE = 0; 28 RAIL_MODE_RESPONSE = 1; 29 RAIL_MODE_ANIMATION = 2; 30 RAIL_MODE_IDLE = 3; 31 RAIL_MODE_LOAD = 4; 32} 33 34// Next id: 2 35message ChromeRendererSchedulerState { 36 optional ChromeRAILMode rail_mode = 1; 37} 38