blob: 887b9df034f5c6a76985101f53853b4e87176acd [file] [log] [blame]
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkBBHFactory.h"
#include "src/core/SkBigPicture.h"
#include "src/core/SkRecord.h"
#include "src/core/SkRecordDraw.h"
#include "src/core/SkTraceEvent.h"
SkBigPicture::SkBigPicture(const SkRect& cull,
sk_sp<SkRecord> record,
std::unique_ptr<SnapshotArray> drawablePicts,
sk_sp<SkBBoxHierarchy> bbh,
size_t approxBytesUsedBySubPictures)
: fCullRect(cull)
, fApproxBytesUsedBySubPictures(approxBytesUsedBySubPictures)
, fRecord(std::move(record))
, fDrawablePicts(std::move(drawablePicts))
, fBBH(std::move(bbh))
{}
void SkBigPicture::playback(SkCanvas* canvas, AbortCallback* callback) const {
SkASSERT(canvas);
// If the query contains the whole picture, don't bother with the BBH.
const bool useBBH = !canvas->getLocalClipBounds().contains(this->cullRect());
SkRecordDraw(*fRecord,
canvas,
this->drawablePicts(),
nullptr,
this->drawableCount(),
useBBH ? fBBH.get() : nullptr,
callback);
}
void SkBigPicture::partialPlayback(SkCanvas* canvas,
int start,
int stop,
const SkM44& initialCTM) const {
SkASSERT(canvas);
SkRecordPartialDraw(*fRecord,
canvas,
this->drawablePicts(),
this->drawableCount(),
start,
stop,
initialCTM);
}
struct NestedApproxOpCounter {
int fCount = 0;
template <typename T> void operator()(const T& op) {
fCount += 1;
}
void operator()(const SkRecords::DrawPicture& op) {
fCount += op.picture->approximateOpCount(true);
}
};
SkRect SkBigPicture::cullRect() const { return fCullRect; }
int SkBigPicture::approximateOpCount(bool nested) const {
if (nested) {
NestedApproxOpCounter visitor;
for (int i = 0; i < fRecord->count(); i++) {
fRecord->visit(i, visitor);
}
return visitor.fCount;
} else {
return fRecord->count();
}
}
size_t SkBigPicture::approximateBytesUsed() const {
size_t bytes = sizeof(*this) + fRecord->bytesUsed() + fApproxBytesUsedBySubPictures;
if (fBBH) { bytes += fBBH->bytesUsed(); }
return bytes;
}
int SkBigPicture::drawableCount() const {
return fDrawablePicts ? fDrawablePicts->count() : 0;
}
SkPicture const* const* SkBigPicture::drawablePicts() const {
return fDrawablePicts ? fDrawablePicts->begin() : nullptr;
}