skia2/tools/DumpRecord.cpp

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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include "SkRecord.h"
#include "SkRecordDraw.h"
#include "DumpRecord.h"
#include "SkTime.h"
namespace {
class Dumper {
public:
explicit Dumper(SkCanvas* canvas, int count, bool timeWithCommand)
: fDigits(0)
, fIndent(0)
, fIndex(0)
, fDraw(canvas, nullptr, nullptr, 0, nullptr)
, fTimeWithCommand(timeWithCommand) {
while (count > 0) {
count /= 10;
fDigits++;
}
}
template <typename T>
void operator()(const T& command) {
auto start = SkTime::GetNSecs();
fDraw(command);
this->print(command, SkTime::GetNSecs() - start);
}
void operator()(const SkRecords::NoOp&) {
// Move on without printing anything.
}
template <typename T>
void print(const T& command, double ns) {
this->printNameAndTime(command, ns);
}
void print(const SkRecords::Restore& command, double ns) {
--fIndent;
this->printNameAndTime(command, ns);
}
void print(const SkRecords::Save& command, double ns) {
this->printNameAndTime(command, ns);
++fIndent;
}
void print(const SkRecords::SaveLayer& command, double ns) {
this->printNameAndTime(command, ns);
++fIndent;
}
void print(const SkRecords::DrawPicture& command, double ns) {
this->printNameAndTime(command, ns);
if (auto bp = command.picture->asSkBigPicture()) {
++fIndent;
const SkRecord& record = *bp->record();
for (int i = 0; i < record.count(); i++) {
record.visit<void>(i, *this);
}
--fIndent;
}
}
private:
template <typename T>
void printNameAndTime(const T& command, double ns) {
int us = (int)(ns * 1e-3);
if (!fTimeWithCommand) {
printf("%6dus ", us);
}
printf("%*d ", fDigits, fIndex++);
for (int i = 0; i < fIndent; i++) {
printf(" ");
}
if (fTimeWithCommand) {
printf("%6dus ", us);
}
puts(NameOf(command));
}
template <typename T>
static const char* NameOf(const T&) {
#define CASE(U) case SkRecords::U##_Type: return #U;
switch(T::kType) { SK_RECORD_TYPES(CASE); }
#undef CASE
SkDEBUGFAIL("Unknown T");
return "Unknown T";
}
static const char* NameOf(const SkRecords::SaveLayer&) {
return "\x1b[31;1mSaveLayer\x1b[0m"; // Bold red.
}
int fDigits;
int fIndent;
int fIndex;
SkRecords::Draw fDraw;
const bool fTimeWithCommand;
};
} // namespace
void DumpRecord(const SkRecord& record,
SkCanvas* canvas,
bool timeWithCommand) {
Dumper dumper(canvas, record.count(), timeWithCommand);
for (int i = 0; i < record.count(); i++) {
record.visit<void>(i, dumper);
}
}