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#ifndef DRAWPROFILER_H
17#define DRAWPROFILER_H
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
28namespace android {
29namespace uirenderer {
30
31class OpenGLRenderer;
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.
38typedef RingBuffer<FrameInfo, 120> FrameInfoSource;
39
40class FrameInfoVisualizer {
41public:
42    FrameInfoVisualizer(FrameInfoSource& source);
43    ~FrameInfoVisualizer();
44
45    bool consumeProperties();
46    void setDensity(float density);
47
48    void unionDirty(SkRect* dirty);
49    void draw(OpenGLRenderer* canvas);
50
51    void dumpData(int fd);
52
53private:
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(OpenGLRenderer* canvas);
60    void drawThreshold(OpenGLRenderer* canvas);
61
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    int mVerticalUnit = 0;
75    int mThresholdStroke = 0;
76
77    int mNumFastRects;
78    std::unique_ptr<float[]> mFastRects;
79    int mNumJankyRects;
80    std::unique_ptr<float[]> mJankyRects;
81
82    bool mShowDirtyRegions = false;
83    SkRect mDirtyRegion;
84    bool mFlashToggle = false;
85    nsecs_t mLastFrameLogged = 0;
86};
87
88} /* namespace uirenderer */
89} /* namespace android */
90
91#endif /* DRAWPROFILER_H */
92