skia2/tests/RecorderTest.cpp
Mike Reed c8bea7deb6 New factories for SkShaders
Bug: skia:8937
Change-Id: Ic253b70fbf89059321185912aa771b1c1de7d231
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/206693
Reviewed-by: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2019-04-09 19:15:01 +00:00

111 lines
2.9 KiB
C++

/*
* 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 "Test.h"
#include "SkPictureRecorder.h"
#include "SkRecord.h"
#include "SkRecorder.h"
#include "SkRecords.h"
#include "SkShader.h"
#include "SkSurface.h"
#define COUNT(T) + 1
static const int kRecordTypes = SK_RECORD_TYPES(COUNT);
#undef COUNT
// Tallies the types of commands it sees into a histogram.
class Tally {
public:
Tally() { sk_bzero(&fHistogram, sizeof(fHistogram)); }
template <typename T>
void operator()(const T&) { ++fHistogram[T::kType]; }
template <typename T>
int count() const { return fHistogram[T::kType]; }
void apply(const SkRecord& record) {
for (int i = 0; i < record.count(); i++) {
record.visit(i, *this);
}
}
private:
int fHistogram[kRecordTypes];
};
DEF_TEST(Recorder, r) {
SkRecord record;
SkRecorder recorder(&record, 1920, 1080);
recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
Tally tally;
tally.apply(record);
REPORTER_ASSERT(r, 1 == tally.count<SkRecords::DrawRect>());
}
// Regression test for leaking refs held by optional arguments.
DEF_TEST(Recorder_RefLeaking, r) {
// We use SaveLayer to test:
// - its SkRect argument is optional and SkRect is POD. Just testing that that works.
// - its SkPaint argument is optional and SkPaint is not POD. The bug was here.
SkRect bounds = SkRect::MakeWH(320, 240);
SkPaint paint;
paint.setShader(SkShaders::Empty());
REPORTER_ASSERT(r, paint.getShader()->unique());
{
SkRecord record;
SkRecorder recorder(&record, 1920, 1080);
recorder.saveLayer(&bounds, &paint);
REPORTER_ASSERT(r, !paint.getShader()->unique());
}
REPORTER_ASSERT(r, paint.getShader()->unique());
}
DEF_TEST(Recorder_drawImage_takeReference, reporter) {
sk_sp<SkImage> image;
{
auto surface(SkSurface::MakeRasterN32Premul(100, 100));
surface->getCanvas()->clear(SK_ColorGREEN);
image = surface->makeImageSnapshot();
}
{
SkRecord record;
SkRecorder recorder(&record, 100, 100);
// DrawImage is supposed to take a reference
recorder.drawImage(image, 0, 0);
REPORTER_ASSERT(reporter, !image->unique());
Tally tally;
tally.apply(record);
REPORTER_ASSERT(reporter, 1 == tally.count<SkRecords::DrawImage>());
}
REPORTER_ASSERT(reporter, image->unique());
{
SkRecord record;
SkRecorder recorder(&record, 100, 100);
// DrawImageRect is supposed to take a reference
recorder.drawImageRect(image, SkRect::MakeWH(100, 100), nullptr);
REPORTER_ASSERT(reporter, !image->unique());
Tally tally;
tally.apply(record);
REPORTER_ASSERT(reporter, 1 == tally.count<SkRecords::DrawImageRect>());
}
REPORTER_ASSERT(reporter, image->unique());
}