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      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 #include "FrameInfoVisualizer.h"
     17 
     18 #include "BakedOpRenderer.h"
     19 #include "IProfileRenderer.h"
     20 #include "utils/Color.h"
     21 
     22 #include <cutils/compiler.h>
     23 #include <array>
     24 
     25 #define RETURN_IF_PROFILING_DISABLED() \
     26     if (CC_LIKELY(mType == ProfileType::None)) return
     27 #define RETURN_IF_DISABLED() \
     28     if (CC_LIKELY(mType == ProfileType::None && !mShowDirtyRegions)) return
     29 
     30 #define PROFILE_DRAW_WIDTH 3
     31 #define PROFILE_DRAW_THRESHOLD_STROKE_WIDTH 2
     32 #define PROFILE_DRAW_DP_PER_MS 7
     33 
     34 namespace android {
     35 namespace uirenderer {
     36 
     37 // Must be NUM_ELEMENTS in size
     38 static const SkColor THRESHOLD_COLOR = Color::Green_500;
     39 static const SkColor BAR_FAST_MASK = 0x8FFFFFFF;
     40 static const SkColor BAR_JANKY_MASK = 0xDFFFFFFF;
     41 
     42 // We could get this from TimeLord and use the actual frame interval, but
     43 // this is good enough
     44 #define FRAME_THRESHOLD 16
     45 #define FRAME_THRESHOLD_NS 16000000
     46 
     47 struct BarSegment {
     48     FrameInfoIndex start;
     49     FrameInfoIndex end;
     50     SkColor color;
     51 };
     52 
     53 static const std::array<BarSegment, 7> Bar{{
     54         {FrameInfoIndex::IntendedVsync, FrameInfoIndex::HandleInputStart, Color::Teal_700},
     55         {FrameInfoIndex::HandleInputStart, FrameInfoIndex::PerformTraversalsStart,
     56          Color::Green_700},
     57         {FrameInfoIndex::PerformTraversalsStart, FrameInfoIndex::DrawStart, Color::LightGreen_700},
     58         {FrameInfoIndex::DrawStart, FrameInfoIndex::SyncStart, Color::Blue_500},
     59         {FrameInfoIndex::SyncStart, FrameInfoIndex::IssueDrawCommandsStart, Color::LightBlue_300},
     60         {FrameInfoIndex::IssueDrawCommandsStart, FrameInfoIndex::SwapBuffers, Color::Red_500},
     61         {FrameInfoIndex::SwapBuffers, FrameInfoIndex::FrameCompleted, Color::Orange_500},
     62 }};
     63 
     64 static int dpToPx(int dp, float density) {
     65     return (int)(dp * density + 0.5f);
     66 }
     67 
     68 FrameInfoVisualizer::FrameInfoVisualizer(FrameInfoSource& source) : mFrameSource(source) {
     69     setDensity(1);
     70 }
     71 
     72 FrameInfoVisualizer::~FrameInfoVisualizer() {
     73     destroyData();
     74 }
     75 
     76 void FrameInfoVisualizer::setDensity(float density) {
     77     if (CC_UNLIKELY(mDensity != density)) {
     78         mDensity = density;
     79         mVerticalUnit = dpToPx(PROFILE_DRAW_DP_PER_MS, density);
     80         mThresholdStroke = dpToPx(PROFILE_DRAW_THRESHOLD_STROKE_WIDTH, density);
     81     }
     82 }
     83 
     84 void FrameInfoVisualizer::unionDirty(SkRect* dirty) {
     85     RETURN_IF_DISABLED();
     86     // Not worth worrying about minimizing the dirty region for debugging, so just
     87     // dirty the entire viewport.
     88     if (dirty) {
     89         mDirtyRegion = *dirty;
     90         dirty->setEmpty();
     91     }
     92 }
     93 
     94 void FrameInfoVisualizer::draw(IProfileRenderer& renderer) {
     95     RETURN_IF_DISABLED();
     96 
     97     if (mShowDirtyRegions) {
     98         mFlashToggle = !mFlashToggle;
     99         if (mFlashToggle) {
    100             SkPaint paint;
    101             paint.setColor(0x7fff0000);
    102             renderer.drawRect(mDirtyRegion.fLeft, mDirtyRegion.fTop, mDirtyRegion.fRight,
    103                               mDirtyRegion.fBottom, paint);
    104         }
    105     }
    106 
    107     if (mType == ProfileType::Bars) {
    108         // Patch up the current frame to pretend we ended here. CanvasContext
    109         // will overwrite these values with the real ones after we return.
    110         // This is a bit nicer looking than the vague green bar, as we have
    111         // valid data for almost all the stages and a very good idea of what
    112         // the issue stage will look like, too
    113         FrameInfo& info = mFrameSource.back();
    114         info.markSwapBuffers();
    115         info.markFrameCompleted();
    116 
    117         initializeRects(renderer.getViewportHeight(), renderer.getViewportWidth());
    118         drawGraph(renderer);
    119         drawThreshold(renderer);
    120     }
    121 }
    122 
    123 void FrameInfoVisualizer::createData() {
    124     if (mFastRects.get()) return;
    125 
    126     mFastRects.reset(new float[mFrameSource.capacity() * 4]);
    127     mJankyRects.reset(new float[mFrameSource.capacity() * 4]);
    128 }
    129 
    130 void FrameInfoVisualizer::destroyData() {
    131     mFastRects.reset(nullptr);
    132     mJankyRects.reset(nullptr);
    133 }
    134 
    135 void FrameInfoVisualizer::initializeRects(const int baseline, const int width) {
    136     // Target the 95% mark for the current frame
    137     float right = width * .95;
    138     float baseLineWidth = right / mFrameSource.capacity();
    139     mNumFastRects = 0;
    140     mNumJankyRects = 0;
    141     int fast_i = 0, janky_i = 0;
    142     // Set the bottom of all the shapes to the baseline
    143     for (int fi = mFrameSource.size() - 1; fi >= 0; fi--) {
    144         if (mFrameSource[fi][FrameInfoIndex::Flags] & FrameInfoFlags::SkippedFrame) {
    145             continue;
    146         }
    147         float lineWidth = baseLineWidth;
    148         float* rect;
    149         int ri;
    150         // Rects are LTRB
    151         if (mFrameSource[fi].totalDuration() <= FRAME_THRESHOLD_NS) {
    152             rect = mFastRects.get();
    153             ri = fast_i;
    154             fast_i += 4;
    155             mNumFastRects++;
    156         } else {
    157             rect = mJankyRects.get();
    158             ri = janky_i;
    159             janky_i += 4;
    160             mNumJankyRects++;
    161             lineWidth *= 2;
    162         }
    163 
    164         rect[ri + 0] = right - lineWidth;
    165         rect[ri + 1] = baseline;
    166         rect[ri + 2] = right;
    167         rect[ri + 3] = baseline;
    168         right -= lineWidth;
    169     }
    170 }
    171 
    172 void FrameInfoVisualizer::nextBarSegment(FrameInfoIndex start, FrameInfoIndex end) {
    173     int fast_i = (mNumFastRects - 1) * 4;
    174     int janky_i = (mNumJankyRects - 1) * 4;
    175     ;
    176     for (size_t fi = 0; fi < mFrameSource.size(); fi++) {
    177         if (mFrameSource[fi][FrameInfoIndex::Flags] & FrameInfoFlags::SkippedFrame) {
    178             continue;
    179         }
    180 
    181         float* rect;
    182         int ri;
    183         // Rects are LTRB
    184         if (mFrameSource[fi].totalDuration() <= FRAME_THRESHOLD_NS) {
    185             rect = mFastRects.get();
    186             ri = fast_i;
    187             fast_i -= 4;
    188         } else {
    189             rect = mJankyRects.get();
    190             ri = janky_i;
    191             janky_i -= 4;
    192         }
    193 
    194         // Set the bottom to the old top (build upwards)
    195         rect[ri + 3] = rect[ri + 1];
    196         // Move the top up by the duration
    197         rect[ri + 1] -= mVerticalUnit * durationMS(fi, start, end);
    198     }
    199 }
    200 
    201 void FrameInfoVisualizer::drawGraph(IProfileRenderer& renderer) {
    202     SkPaint paint;
    203     for (size_t i = 0; i < Bar.size(); i++) {
    204         nextBarSegment(Bar[i].start, Bar[i].end);
    205         paint.setColor(Bar[i].color & BAR_FAST_MASK);
    206         renderer.drawRects(mFastRects.get(), mNumFastRects * 4, paint);
    207         paint.setColor(Bar[i].color & BAR_JANKY_MASK);
    208         renderer.drawRects(mJankyRects.get(), mNumJankyRects * 4, paint);
    209     }
    210 }
    211 
    212 void FrameInfoVisualizer::drawThreshold(IProfileRenderer& renderer) {
    213     SkPaint paint;
    214     paint.setColor(THRESHOLD_COLOR);
    215     float yLocation = renderer.getViewportHeight() - (FRAME_THRESHOLD * mVerticalUnit);
    216     renderer.drawRect(0.0f, yLocation - mThresholdStroke / 2, renderer.getViewportWidth(),
    217                       yLocation + mThresholdStroke / 2, paint);
    218 }
    219 
    220 bool FrameInfoVisualizer::consumeProperties() {
    221     bool changed = false;
    222     ProfileType newType = Properties::getProfileType();
    223     if (newType != mType) {
    224         mType = newType;
    225         if (mType == ProfileType::None) {
    226             destroyData();
    227         } else {
    228             createData();
    229         }
    230         changed = true;
    231     }
    232 
    233     bool showDirty = Properties::showDirtyRegions;
    234     if (showDirty != mShowDirtyRegions) {
    235         mShowDirtyRegions = showDirty;
    236         changed = true;
    237     }
    238     return changed;
    239 }
    240 
    241 void FrameInfoVisualizer::dumpData(int fd) {
    242     RETURN_IF_PROFILING_DISABLED();
    243 
    244     // This method logs the last N frames (where N is <= mDataSize) since the
    245     // last call to dumpData(). In other words if there's a dumpData(), draw frame,
    246     // dumpData(), the last dumpData() should only log 1 frame.
    247 
    248     dprintf(fd, "\n\tDraw\tPrepare\tProcess\tExecute\n");
    249 
    250     for (size_t i = 0; i < mFrameSource.size(); i++) {
    251         if (mFrameSource[i][FrameInfoIndex::IntendedVsync] <= mLastFrameLogged) {
    252             continue;
    253         }
    254         mLastFrameLogged = mFrameSource[i][FrameInfoIndex::IntendedVsync];
    255         dprintf(fd, "\t%3.2f\t%3.2f\t%3.2f\t%3.2f\n",
    256                 durationMS(i, FrameInfoIndex::IntendedVsync, FrameInfoIndex::SyncStart),
    257                 durationMS(i, FrameInfoIndex::SyncStart, FrameInfoIndex::IssueDrawCommandsStart),
    258                 durationMS(i, FrameInfoIndex::IssueDrawCommandsStart, FrameInfoIndex::SwapBuffers),
    259                 durationMS(i, FrameInfoIndex::SwapBuffers, FrameInfoIndex::FrameCompleted));
    260     }
    261 }
    262 
    263 } /* namespace uirenderer */
    264 } /* namespace android */
    265