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
17package com.android.benchmark.ui.automation;
18
19import android.support.annotation.IntDef;
20
21import java.io.DataInput;
22import java.io.DataInputStream;
23import java.io.IOException;
24import java.util.Arrays;
25
26public 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