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 // Create this some other dynamic way?
16 fDebugCanvas = new SkDebugCanvas(100, 100);
17 fPicture = NULL;
18 fPictureWidth = 0;
19 fPictureHeight = 0;
20 fIndex = 0;
21 }
22
~SkDebugger()23 SkDebugger::~SkDebugger() {
24 // Need to inherit from SkRef object in order for following to work
25 SkSafeUnref(fDebugCanvas);
26 SkSafeUnref(fPicture);
27 }
28
loadPicture(SkPicture * picture)29 void SkDebugger::loadPicture(SkPicture* picture) {
30 fPictureWidth = picture->width();
31 fPictureHeight = picture->height();
32 delete fDebugCanvas;
33 fDebugCanvas = new SkDebugCanvas(fPictureWidth, fPictureHeight);
34 fDebugCanvas->setBounds(fPictureWidth, fPictureHeight);
35 fDebugCanvas->setPicture(picture);
36 picture->draw(fDebugCanvas);
37 fDebugCanvas->setPicture(NULL);
38 fIndex = fDebugCanvas->getSize() - 1;
39 SkRefCnt_SafeAssign(fPicture, picture);
40 }
41
copyPicture()42 SkPicture* SkDebugger::copyPicture() {
43 // We can't just call clone here since we want to removed the "deleted"
44 // commands. Playing back will strip those out.
45 SkPictureRecorder recorder;
46 SkCanvas* canvas = recorder.beginRecording(fPictureWidth, fPictureHeight, NULL, 0);
47
48 bool vizMode = fDebugCanvas->getMegaVizMode();
49 fDebugCanvas->setMegaVizMode(false);
50 bool overDraw = fDebugCanvas->getOverdrawViz();
51 fDebugCanvas->setOverdrawViz(false);
52 bool pathOps = fDebugCanvas->getAllowSimplifyClip();
53 fDebugCanvas->setAllowSimplifyClip(false);
54 int saveCount = fDebugCanvas->getOutstandingSaveCount();
55 fDebugCanvas->setOutstandingSaveCount(0);
56
57 fDebugCanvas->draw(canvas);
58
59 int temp = fDebugCanvas->getOutstandingSaveCount();
60 for (int i = 0; i < temp; ++i) {
61 canvas->restore();
62 }
63
64 fDebugCanvas->setMegaVizMode(vizMode);
65 fDebugCanvas->setOverdrawViz(overDraw);
66 fDebugCanvas->setOutstandingSaveCount(saveCount);
67 fDebugCanvas->setAllowSimplifyClip(pathOps);
68
69 return recorder.endRecording();
70 }
71
getOverviewText(const SkTDArray<double> * typeTimes,double totTime,SkString * overview,int numRuns)72 void SkDebugger::getOverviewText(const SkTDArray<double>* typeTimes,
73 double totTime,
74 SkString* overview,
75 int numRuns) {
76 const SkTDArray<SkDrawCommand*>& commands = this->getDrawCommands();
77
78 SkTDArray<int> counts;
79 counts.setCount(LAST_DRAWTYPE_ENUM+1);
80 for (int i = 0; i < LAST_DRAWTYPE_ENUM+1; ++i) {
81 counts[i] = 0;
82 }
83
84 for (int i = 0; i < commands.count(); i++) {
85 counts[commands[i]->getType()]++;
86 }
87
88 overview->reset();
89 int total = 0;
90 #ifdef SK_DEBUG
91 double totPercent = 0, tempSum = 0;
92 #endif
93 for (int i = 0; i < LAST_DRAWTYPE_ENUM+1; ++i) {
94 if (0 == counts[i]) {
95 // if there were no commands of this type then they should've consumed no time
96 SkASSERT(NULL == typeTimes || 0.0 == (*typeTimes)[i]);
97 continue;
98 }
99
100 overview->append(SkDrawCommand::GetCommandString((DrawType) i));
101 overview->append(": ");
102 overview->appendS32(counts[i]);
103 if (NULL != typeTimes && totTime >= 0.0) {
104 overview->append(" - ");
105 overview->appendf("%.2f", (*typeTimes)[i]/(float)numRuns);
106 overview->append("ms");
107 overview->append(" - ");
108 double percent = 100.0*(*typeTimes)[i]/totTime;
109 overview->appendf("%.2f", percent);
110 overview->append("%");
111 #ifdef SK_DEBUG
112 totPercent += percent;
113 tempSum += (*typeTimes)[i];
114 #endif
115 }
116 overview->append("<br/>");
117 total += counts[i];
118 }
119 #ifdef SK_DEBUG
120 if (NULL != typeTimes) {
121 SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(totPercent),
122 SkDoubleToScalar(100.0)));
123 SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(tempSum),
124 SkDoubleToScalar(totTime)));
125 }
126 #endif
127
128 if (totTime > 0.0) {
129 overview->append("Total Time: ");
130 overview->appendf("%.2f", totTime/(float)numRuns);
131 overview->append("ms");
132 #ifdef SK_DEBUG
133 overview->append(" ");
134 overview->appendScalar(SkDoubleToScalar(totPercent));
135 overview->append("% ");
136 #endif
137 overview->append("<br/>");
138 }
139
140 SkString totalStr;
141 totalStr.append("Total Draw Commands: ");
142 totalStr.appendScalar(SkDoubleToScalar(total));
143 totalStr.append("<br/>");
144 overview->insert(0, totalStr);
145
146 overview->append("<br/>");
147 overview->append("SkPicture Width: ");
148 overview->appendS32(pictureWidth());
149 overview->append("px<br/>");
150 overview->append("SkPicture Height: ");
151 overview->appendS32(pictureHeight());
152 overview->append("px");
153 }
154
getClipStackText(SkString * clipStack)155 void SkDebugger::getClipStackText(SkString* clipStack) {
156 clipStack->set(fDebugCanvas->clipStackData());
157 }
158