/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto2";
package perfetto.protos;

// Generated by Android's SurfaceFlinger.
message GraphicsFrameEvent {
  enum BufferEventType {
    UNSPECIFIED = 0;
    DEQUEUE = 1;
    QUEUE = 2;
    POST = 3;
    ACQUIRE_FENCE = 4;
    LATCH = 5;
    // HWC will compose this buffer
    HWC_COMPOSITION_QUEUED = 6;
    // renderEngine composition
    FALLBACK_COMPOSITION = 7;
    PRESENT_FENCE = 8;
    RELEASE_FENCE = 9;
    MODIFY = 10;
    DETACH = 11;
    ATTACH = 12;
    CANCEL = 13;
  }

  message BufferEvent {
    optional uint32 frame_number = 1;
    optional BufferEventType type = 2;
    optional string layer_name = 3;
    // If no duration is set, the event is an instant event.
    optional uint64 duration_ns = 4;
    // Unique buffer identifier.
    optional uint32 buffer_id = 5;
  }

  optional BufferEvent buffer_event = 1;
}