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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 
SkDebugger()15 SkDebugger::SkDebugger()
16     : fDebugCanvas(skstd::make_unique<SkDebugCanvas>(0, 0))
17     , fIndex(-1) { }
18 
~SkDebugger()19 SkDebugger::~SkDebugger() {}
20 
loadPicture(SkPicture * picture)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 
copyPicture()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 
getOverviewText(const SkTDArray<double> * typeTimes,double totTime,SkString * overview,int numRuns)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 
getClipStackText(SkString * clipStack)140 void SkDebugger::getClipStackText(SkString* clipStack) {
141     clipStack->set(fDebugCanvas->clipStackData());
142 }
143