1 /*
2  * Copyright (C) 2014 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 
17 #pragma once
18 
19 #include "FrameInfo.h"
20 #include "Properties.h"
21 #include "Rect.h"
22 #include "utils/RingBuffer.h"
23 
24 #include <utils/Timers.h>
25 
26 #include <memory>
27 
28 namespace android {
29 namespace uirenderer {
30 
31 class IProfileRenderer;
32 
33 // TODO: This is a bit awkward as it needs to match the thing in CanvasContext
34 // A better abstraction here would be nice but iterators are painful
35 // and RingBuffer having the size baked into the template is also painful
36 // But making DrawProfiler also be templated is ALSO painful
37 // At least this is a compile failure if this doesn't match, so there's that.
38 typedef RingBuffer<FrameInfo, 120> FrameInfoSource;
39 
40 class FrameInfoVisualizer {
41 public:
42     explicit FrameInfoVisualizer(FrameInfoSource& source, nsecs_t frameInterval);
43     ~FrameInfoVisualizer();
44 
45     bool consumeProperties();
46     void setDensity(float density);
47 
48     void unionDirty(SkRect* dirty);
49     void draw(IProfileRenderer& renderer);
50 
51     void dumpData(int fd);
52 
53 private:
54     void createData();
55     void destroyData();
56 
57     void initializeRects(const int baseline, const int width);
58     void nextBarSegment(FrameInfoIndex start, FrameInfoIndex end);
59     void drawGraph(IProfileRenderer& renderer);
60     void drawThreshold(IProfileRenderer& renderer);
61 
durationMS(size_t index,FrameInfoIndex start,FrameInfoIndex end)62     inline float durationMS(size_t index, FrameInfoIndex start, FrameInfoIndex end) {
63         float duration = mFrameSource[index].duration(start, end) * 0.000001f;
64         // Clamp to large to avoid spiking off the top of the screen
65         duration = duration > 50.0f ? 50.0f : duration;
66         return duration > 0.0f ? duration : 0.0f;
67     }
68 
69     ProfileType mType = ProfileType::None;
70     float mDensity = 0;
71 
72     FrameInfoSource& mFrameSource;
73 
74     nsecs_t mFrameInterval;
75     int mVerticalUnit = 0;
76     int mThresholdStroke = 0;
77 
78     int mNumFastRects;
79     std::unique_ptr<float[]> mFastRects;
80     int mNumJankyRects;
81     std::unique_ptr<float[]> mJankyRects;
82 
83     bool mShowDirtyRegions = false;
84     SkRect mDirtyRegion;
85     bool mFlashToggle = false;
86     nsecs_t mLastFrameLogged = 0;
87 };
88 
89 } /* namespace uirenderer */
90 } /* namespace android */
91