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      1 /*
      2  * Copyright (C) 2015 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  * Unless required by applicable law or agreed to in writing, software
     10  * distributed under the License is distributed on an "AS IS" BASIS,
     11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12  * See the License for the specific language governing permissions and limitations under the
     13  * License.
     14  *
     15  */
     16 
     17 package com.android.benchmark.ui.automation;
     18 
     19 import android.support.annotation.IntDef;
     20 
     21 import java.io.DataInput;
     22 import java.io.DataInputStream;
     23 import java.io.IOException;
     24 import java.util.Arrays;
     25 
     26 public class FrameTimingStats {
     27     @IntDef ({
     28             Index.FLAGS,
     29             Index.INTENDED_VSYNC,
     30             Index.VSYNC,
     31             Index.OLDEST_INPUT_EVENT,
     32             Index.NEWEST_INPUT_EVENT,
     33             Index.HANDLE_INPUT_START,
     34             Index.ANIMATION_START,
     35             Index.PERFORM_TRAVERSALS_START,
     36             Index.DRAW_START,
     37             Index.SYNC_QUEUED,
     38             Index.SYNC_START,
     39             Index.ISSUE_DRAW_COMMANDS_START,
     40             Index.SWAP_BUFFERS,
     41             Index.FRAME_COMPLETED,
     42     })
     43     public @interface Index {
     44         int FLAGS = 0;
     45         int INTENDED_VSYNC = 1;
     46         int VSYNC = 2;
     47         int OLDEST_INPUT_EVENT = 3;
     48         int NEWEST_INPUT_EVENT = 4;
     49         int HANDLE_INPUT_START = 5;
     50         int ANIMATION_START = 6;
     51         int PERFORM_TRAVERSALS_START = 7;
     52         int DRAW_START = 8;
     53         int SYNC_QUEUED = 9;
     54         int SYNC_START = 10;
     55         int ISSUE_DRAW_COMMANDS_START = 11;
     56         int SWAP_BUFFERS = 12;
     57         int FRAME_COMPLETED = 13;
     58 
     59         int FRAME_STATS_COUNT = 14; // must always be last
     60     }
     61 
     62     private final long[] mStats;
     63 
     64     FrameTimingStats(long[] stats) {
     65         mStats = Arrays.copyOf(stats, Index.FRAME_STATS_COUNT);
     66     }
     67 
     68     public FrameTimingStats(DataInputStream inputStream) throws IOException {
     69         mStats = new long[Index.FRAME_STATS_COUNT];
     70         update(inputStream);
     71     }
     72 
     73     public void update(DataInputStream inputStream) throws IOException {
     74         for (int i = 0; i < mStats.length; i++) {
     75             mStats[i] = inputStream.readLong();
     76         }
     77     }
     78 
     79     public long get(@Index int index) {
     80         return mStats[index];
     81     }
     82 
     83     public long[] data() {
     84         return mStats;
     85     }
     86 }
     87