1/* 2 * Copyright (C) 2019 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"; 18package perfetto.protos; 19 20// Generated by Android's SurfaceFlinger. 21message GraphicsFrameEvent { 22 enum BufferEventType { 23 UNSPECIFIED = 0; 24 DEQUEUE = 1; 25 QUEUE = 2; 26 POST = 3; 27 ACQUIRE_FENCE = 4; 28 LATCH = 5; 29 // HWC will compose this buffer 30 HWC_COMPOSITION_QUEUED = 6; 31 // renderEngine composition 32 FALLBACK_COMPOSITION = 7; 33 PRESENT_FENCE = 8; 34 RELEASE_FENCE = 9; 35 MODIFY = 10; 36 DETACH = 11; 37 ATTACH = 12; 38 CANCEL = 13; 39 } 40 41 message BufferEvent { 42 optional uint32 frame_number = 1; 43 optional BufferEventType type = 2; 44 optional string layer_name = 3; 45 // If no duration is set, the event is an instant event. 46 optional uint64 duration_ns = 4; 47 // Unique buffer identifier. 48 optional uint32 buffer_id = 5; 49 } 50 51 optional BufferEvent buffer_event = 1; 52} 53