skia2/debugger/SkDebugger.cpp

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkDebugger.h"
#include "SkPictureRecorder.h"
#include "SkString.h"
SkDebugger::SkDebugger()
: fPicture(NULL)
, fIndex(-1) {
// Create this some other dynamic way?
fDebugCanvas = new SkDebugCanvas(0, 0);
}
SkDebugger::~SkDebugger() {
// Need to inherit from SkRef object in order for following to work
SkSafeUnref(fDebugCanvas);
SkSafeUnref(fPicture);
}
void SkDebugger::loadPicture(SkPicture* picture) {
SkRefCnt_SafeAssign(fPicture, picture);
delete fDebugCanvas;
fDebugCanvas = new SkDebugCanvas(SkScalarCeilToInt(this->pictureCull().width()),
SkScalarCeilToInt(this->pictureCull().height()));
fDebugCanvas->setPicture(picture);
picture->playback(fDebugCanvas);
fDebugCanvas->setPicture(NULL);
fIndex = fDebugCanvas->getSize() - 1;
}
SkPicture* SkDebugger::copyPicture() {
// We can't just call clone here since we want to removed the "deleted"
// commands. Playing back will strip those out.
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(this->pictureCull().width(),
this->pictureCull().height());
bool vizMode = fDebugCanvas->getMegaVizMode();
fDebugCanvas->setMegaVizMode(false);
bool overDraw = fDebugCanvas->getOverdrawViz();
fDebugCanvas->setOverdrawViz(false);
bool pathOps = fDebugCanvas->getAllowSimplifyClip();
fDebugCanvas->setAllowSimplifyClip(false);
fDebugCanvas->draw(canvas);
fDebugCanvas->setMegaVizMode(vizMode);
fDebugCanvas->setOverdrawViz(overDraw);
fDebugCanvas->setAllowSimplifyClip(pathOps);
return recorder.endRecording();
}
void SkDebugger::getOverviewText(const SkTDArray<double>* typeTimes,
double totTime,
SkString* overview,
int numRuns) {
const SkTDArray<SkDrawCommand*>& commands = this->getDrawCommands();
SkTDArray<int> counts;
counts.setCount(LAST_DRAWTYPE_ENUM+1);
for (int i = 0; i < LAST_DRAWTYPE_ENUM+1; ++i) {
counts[i] = 0;
}
for (int i = 0; i < commands.count(); i++) {
counts[commands[i]->getType()]++;
}
overview->reset();
int total = 0;
#ifdef SK_DEBUG
double totPercent = 0, tempSum = 0;
#endif
for (int i = 0; i < LAST_DRAWTYPE_ENUM+1; ++i) {
if (0 == counts[i]) {
// if there were no commands of this type then they should've consumed no time
SkASSERT(NULL == typeTimes || 0.0 == (*typeTimes)[i]);
continue;
}
overview->append(SkDrawCommand::GetCommandString((DrawType) i));
overview->append(": ");
overview->appendS32(counts[i]);
if (typeTimes && totTime >= 0.0) {
overview->append(" - ");
overview->appendf("%.2f", (*typeTimes)[i]/(float)numRuns);
overview->append("ms");
overview->append(" - ");
double percent = 100.0*(*typeTimes)[i]/totTime;
overview->appendf("%.2f", percent);
overview->append("%");
#ifdef SK_DEBUG
totPercent += percent;
tempSum += (*typeTimes)[i];
#endif
}
overview->append("<br/>");
total += counts[i];
}
#ifdef SK_DEBUG
if (typeTimes) {
SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(totPercent),
SkDoubleToScalar(100.0)));
SkASSERT(SkScalarNearlyEqual(SkDoubleToScalar(tempSum),
SkDoubleToScalar(totTime)));
}
#endif
if (totTime > 0.0) {
overview->append("Total Time: ");
overview->appendf("%.2f", totTime/(float)numRuns);
overview->append("ms");
#ifdef SK_DEBUG
overview->append(" ");
overview->appendScalar(SkDoubleToScalar(totPercent));
overview->append("% ");
#endif
overview->append("<br/>");
}
SkString totalStr;
totalStr.append("Total Draw Commands: ");
totalStr.appendScalar(SkDoubleToScalar(total));
totalStr.append("<br/>");
overview->insert(0, totalStr);
overview->append("<br/>SkPicture L: ");
overview->appendScalar(this->pictureCull().fLeft);
overview->append(" T: ");
overview->appendScalar(this->pictureCull().fTop);
overview->append(" R: ");
overview->appendScalar(this->pictureCull().fRight);
overview->append(" B: ");
overview->appendScalar(this->pictureCull().fBottom);
overview->append("<br/>");
}
void SkDebugger::getClipStackText(SkString* clipStack) {
clipStack->set(fDebugCanvas->clipStackData());
}