Home | History | Annotate | Download | only in debugger 
      1 
      2 /*
      3  * Copyright 2012 Google Inc.
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 
      9 #include "SkDebugger.h"
     10 #include "SkMakeUnique.h"
     11 #include "SkPictureRecorder.h"
     12 #include "SkString.h"
     13 
     14 
     15 SkDebugger::SkDebugger()
     16     : fDebugCanvas(skstd::make_unique<SkDebugCanvas>(0, 0))
     17     , fIndex(-1) { }
     18 
     19 SkDebugger::~SkDebugger() {}
     20 
     21 void SkDebugger::loadPicture(SkPicture* picture) {
     22     fPicture = sk_ref_sp(picture);
     23     fDebugCanvas = skstd::make_unique<SkDebugCanvas>(
     24         SkScalarCeilToInt(this->pictureCull().width()),
     25         SkScalarCeilToInt(this->pictureCull().height()));
     26     fDebugCanvas->setPicture(picture);
     27     picture->playback(fDebugCanvas.get());
     28     fDebugCanvas->setPicture(nullptr);
     29     fIndex = fDebugCanvas->getSize() - 1;
     30 }
     31 
     32 sk_sp<SkPicture> SkDebugger::copyPicture() {
     33     // We can't just call clone here since we want to removed the "deleted"
     34     // commands. Playing back will strip those out.
     35     SkPictureRecorder recorder;
     36     SkCanvas* canvas = recorder.beginRecording(this->pictureCull().width(),
     37                                                this->pictureCull().height());
     38 
     39     bool vizMode = fDebugCanvas->getMegaVizMode();
     40     fDebugCanvas->setMegaVizMode(false);
     41     bool overDraw = fDebugCanvas->getOverdrawViz();
     42     fDebugCanvas->setOverdrawViz(false);
     43     bool pathOps = fDebugCanvas->getAllowSimplifyClip();
     44     fDebugCanvas->setAllowSimplifyClip(false);
     45 
     46     fDebugCanvas->draw(canvas);
     47 
     48     fDebugCanvas->setMegaVizMode(vizMode);
     49     fDebugCanvas->setOverdrawViz(overDraw);
     50     fDebugCanvas->setAllowSimplifyClip(pathOps);
     51 
     52     return recorder.finishRecordingAsPicture();
     53 }
     54 
     55 void SkDebugger::getOverviewText(const SkTDArray<double>* typeTimes,
     56                                  double totTime,
     57                                  SkString* overview,
     58                                  int numRuns) {
     59     const SkTDArray<SkDrawCommand*>& commands = this->getDrawCommands();
     60 
     61     SkTDArray<int> counts;
     62     counts.setCount(SkDrawCommand::kOpTypeCount);
     63     for (int i = 0; i < SkDrawCommand::kOpTypeCount; ++i) {
     64         counts[i] = 0;
     65     }
     66 
     67     for (int i = 0; i < commands.count(); i++) {
     68         counts[commands[i]->getType()]++;
     69     }
     70 
     71     overview->reset();
     72     int total = 0;
     73 #ifdef SK_DEBUG
     74     double totPercent = 0, tempSum = 0;
     75 #endif
     76     for (int i = 0; i < SkDrawCommand::kOpTypeCount; ++i) {
     77         if (0 == counts[i]) {
     78             // if there were no commands of this type then they should've consumed no time
     79             SkASSERT(nullptr == typeTimes || 0.0 == (*typeTimes)[i]);
     80             continue;
     81         }
     82 
     83         overview->append(SkDrawCommand::GetCommandString((SkDrawCommand::OpType) i));
     84         overview->append(": ");
     85         overview->appendS32(counts[i]);
     86         if (typeTimes && totTime >= 0.0) {
     87             overview->append(" - ");
     88             overview->appendf("%.2f", (*typeTimes)[i]/(float)numRuns);
     89             overview->append("ms");
     90             overview->append(" - ");
     91             double percent = 100.0*(*typeTimes)[i]/totTime;
     92             overview->appendf("%.2f", percent);
     93             overview->append("%");
     94 #ifdef SK_DEBUG
     95             totPercent += percent;
     96             tempSum += (*typeTimes)[i];
     97 #endif
     98         }
     99         overview->append("<br/>");
    100         total += counts[i];
    101     }
    102 #ifdef SK_DEBUG
    103     if (typeTimes) {
    104         SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(totPercent),
    105                                      SkDoubleToScalar(100.0)));
    106         SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(tempSum),
    107                                      SkDoubleToScalar(totTime)));
    108     }
    109 #endif
    110 
    111     if (totTime > 0.0) {
    112         overview->append("Total Time: ");
    113         overview->appendf("%.2f", totTime/(float)numRuns);
    114         overview->append("ms");
    115 #ifdef SK_DEBUG
    116         overview->append(" ");
    117         overview->appendScalar(SkDoubleToScalar(totPercent));
    118         overview->append("% ");
    119 #endif
    120         overview->append("<br/>");
    121     }
    122 
    123     SkString totalStr;
    124     totalStr.append("Total Draw Commands: ");
    125     totalStr.appendScalar(SkDoubleToScalar(total));
    126     totalStr.append("<br/>");
    127     overview->insert(0, totalStr);
    128 
    129     overview->append("<br/>SkPicture L: ");
    130     overview->appendScalar(this->pictureCull().fLeft);
    131     overview->append(" T: ");
    132     overview->appendScalar(this->pictureCull().fTop);
    133     overview->append(" R: ");
    134     overview->appendScalar(this->pictureCull().fRight);
    135     overview->append(" B: ");
    136     overview->appendScalar(this->pictureCull().fBottom);
    137     overview->append("<br/>");
    138 }
    139 
    140 void SkDebugger::getClipStackText(SkString* clipStack) {
    141     clipStack->set(fDebugCanvas->clipStackData());
    142 }
    143