6be2aa9a25
Idea: 1. in its mutable recording state, keep a table of drawables on the side, and store an index in the record list. 2. In "immediate-mode" draw, just call the clients drawable directly (need access to our private list to turn the stored index into a proc) 3. when we "snap", we replace the list of drawables with a list of (sub) pictures, and then during playback of the snapped picture, we invoke a private drawable which just calls "drawPicture" on the index'd subpicture. Review URL: https://codereview.chromium.org/727363003
112 lines
2.6 KiB
C++
112 lines
2.6 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <stdio.h>
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#include "SkRecord.h"
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#include "SkRecordDraw.h"
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#include "DumpRecord.h"
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#include "Timer.h"
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namespace {
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class Dumper {
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public:
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explicit Dumper(SkCanvas* canvas, int count, bool timeWithCommand)
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: fDigits(0)
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, fIndent(0)
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, fIndex(0)
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, fDraw(canvas, NULL, 0, NULL)
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, fTimeWithCommand(timeWithCommand) {
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while (count > 0) {
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count /= 10;
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fDigits++;
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}
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}
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template <typename T>
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void operator()(const T& command) {
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Timer timer;
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timer.start();
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fDraw(command);
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timer.end();
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this->print(command, timer.fCpu);
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}
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void operator()(const SkRecords::NoOp&) {
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// Move on without printing anything.
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}
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template <typename T>
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void print(const T& command, double time) {
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this->printNameAndTime(command, time);
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}
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void print(const SkRecords::Restore& command, double time) {
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--fIndent;
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this->printNameAndTime(command, time);
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}
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void print(const SkRecords::Save& command, double time) {
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this->printNameAndTime(command, time);
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++fIndent;
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}
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void print(const SkRecords::SaveLayer& command, double time) {
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this->printNameAndTime(command, time);
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++fIndent;
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}
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private:
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template <typename T>
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void printNameAndTime(const T& command, double time) {
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if (!fTimeWithCommand) {
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printf("%6.1f ", time * 1000);
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}
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printf("%*d ", fDigits, fIndex++);
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for (int i = 0; i < fIndent; i++) {
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putchar('\t');
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}
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if (fTimeWithCommand) {
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printf("%6.1f ", time * 1000);
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}
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puts(NameOf(command));
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}
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template <typename T>
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static const char* NameOf(const T&) {
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#define CASE(U) case SkRecords::U##_Type: return #U;
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switch(T::kType) { SK_RECORD_TYPES(CASE); }
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#undef CASE
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SkDEBUGFAIL("Unknown T");
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return "Unknown T";
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}
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static const char* NameOf(const SkRecords::SaveLayer&) {
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return "\x1b[31;1mSaveLayer\x1b[0m"; // Bold red.
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}
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int fDigits;
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int fIndent;
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int fIndex;
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SkRecords::Draw fDraw;
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const bool fTimeWithCommand;
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};
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} // namespace
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void DumpRecord(const SkRecord& record,
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SkCanvas* canvas,
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bool timeWithCommand) {
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Dumper dumper(canvas, record.count(), timeWithCommand);
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for (unsigned i = 0; i < record.count(); i++) {
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record.visit<void>(i, dumper);
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}
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}
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