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 "SkPictureRecorder.h"
11 #include "SkString.h"
12
13
SkDebugger()14 SkDebugger::SkDebugger()
15 : fPicture(nullptr)
16 , fIndex(-1) {
17 // Create this some other dynamic way?
18 fDebugCanvas = new SkDebugCanvas(0, 0);
19 }
20
~SkDebugger()21 SkDebugger::~SkDebugger() {
22 // Need to inherit from SkRef object in order for following to work
23 SkSafeUnref(fDebugCanvas);
24 SkSafeUnref(fPicture);
25 }
26
loadPicture(SkPicture * picture)27 void SkDebugger::loadPicture(SkPicture* picture) {
28 SkRefCnt_SafeAssign(fPicture, picture);
29
30 delete fDebugCanvas;
31 fDebugCanvas = new SkDebugCanvas(SkScalarCeilToInt(this->pictureCull().width()),
32 SkScalarCeilToInt(this->pictureCull().height()));
33 fDebugCanvas->setPicture(picture);
34 picture->playback(fDebugCanvas);
35 fDebugCanvas->setPicture(nullptr);
36 fIndex = fDebugCanvas->getSize() - 1;
37 }
38
copyPicture()39 SkPicture* SkDebugger::copyPicture() {
40 // We can't just call clone here since we want to removed the "deleted"
41 // commands. Playing back will strip those out.
42 SkPictureRecorder recorder;
43 SkCanvas* canvas = recorder.beginRecording(this->pictureCull().width(),
44 this->pictureCull().height());
45
46 bool vizMode = fDebugCanvas->getMegaVizMode();
47 fDebugCanvas->setMegaVizMode(false);
48 bool overDraw = fDebugCanvas->getOverdrawViz();
49 fDebugCanvas->setOverdrawViz(false);
50 bool pathOps = fDebugCanvas->getAllowSimplifyClip();
51 fDebugCanvas->setAllowSimplifyClip(false);
52
53 fDebugCanvas->draw(canvas);
54
55 fDebugCanvas->setMegaVizMode(vizMode);
56 fDebugCanvas->setOverdrawViz(overDraw);
57 fDebugCanvas->setAllowSimplifyClip(pathOps);
58
59 return recorder.endRecording();
60 }
61
getOverviewText(const SkTDArray<double> * typeTimes,double totTime,SkString * overview,int numRuns)62 void SkDebugger::getOverviewText(const SkTDArray<double>* typeTimes,
63 double totTime,
64 SkString* overview,
65 int numRuns) {
66 const SkTDArray<SkDrawCommand*>& commands = this->getDrawCommands();
67
68 SkTDArray<int> counts;
69 counts.setCount(SkDrawCommand::kOpTypeCount);
70 for (int i = 0; i < SkDrawCommand::kOpTypeCount; ++i) {
71 counts[i] = 0;
72 }
73
74 for (int i = 0; i < commands.count(); i++) {
75 counts[commands[i]->getType()]++;
76 }
77
78 overview->reset();
79 int total = 0;
80 #ifdef SK_DEBUG
81 double totPercent = 0, tempSum = 0;
82 #endif
83 for (int i = 0; i < SkDrawCommand::kOpTypeCount; ++i) {
84 if (0 == counts[i]) {
85 // if there were no commands of this type then they should've consumed no time
86 SkASSERT(nullptr == typeTimes || 0.0 == (*typeTimes)[i]);
87 continue;
88 }
89
90 overview->append(SkDrawCommand::GetCommandString((SkDrawCommand::OpType) i));
91 overview->append(": ");
92 overview->appendS32(counts[i]);
93 if (typeTimes && totTime >= 0.0) {
94 overview->append(" - ");
95 overview->appendf("%.2f", (*typeTimes)[i]/(float)numRuns);
96 overview->append("ms");
97 overview->append(" - ");
98 double percent = 100.0*(*typeTimes)[i]/totTime;
99 overview->appendf("%.2f", percent);
100 overview->append("%");
101 #ifdef SK_DEBUG
102 totPercent += percent;
103 tempSum += (*typeTimes)[i];
104 #endif
105 }
106 overview->append("<br/>");
107 total += counts[i];
108 }
109 #ifdef SK_DEBUG
110 if (typeTimes) {
111 SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(totPercent),
112 SkDoubleToScalar(100.0)));
113 SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(tempSum),
114 SkDoubleToScalar(totTime)));
115 }
116 #endif
117
118 if (totTime > 0.0) {
119 overview->append("Total Time: ");
120 overview->appendf("%.2f", totTime/(float)numRuns);
121 overview->append("ms");
122 #ifdef SK_DEBUG
123 overview->append(" ");
124 overview->appendScalar(SkDoubleToScalar(totPercent));
125 overview->append("% ");
126 #endif
127 overview->append("<br/>");
128 }
129
130 SkString totalStr;
131 totalStr.append("Total Draw Commands: ");
132 totalStr.appendScalar(SkDoubleToScalar(total));
133 totalStr.append("<br/>");
134 overview->insert(0, totalStr);
135
136 overview->append("<br/>SkPicture L: ");
137 overview->appendScalar(this->pictureCull().fLeft);
138 overview->append(" T: ");
139 overview->appendScalar(this->pictureCull().fTop);
140 overview->append(" R: ");
141 overview->appendScalar(this->pictureCull().fRight);
142 overview->append(" B: ");
143 overview->appendScalar(this->pictureCull().fBottom);
144 overview->append("<br/>");
145 }
146
getClipStackText(SkString * clipStack)147 void SkDebugger::getClipStackText(SkString* clipStack) {
148 clipStack->set(fDebugCanvas->clipStackData());
149 }
150