Home | History | Annotate | Download | only in hwui 
      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);
     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 
     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