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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "SkCanvas.h"
#include "SkImageSource.h"
#include "SkMergeImageFilter.h"
#include "SkSurface.h"
#define FILTER_WIDTH_SMALL SkIntToScalar(32)
#define FILTER_HEIGHT_SMALL SkIntToScalar(32)
#define FILTER_WIDTH_LARGE SkIntToScalar(256)
#define FILTER_HEIGHT_LARGE SkIntToScalar(256)
class MergeBench : public Benchmark {
public:
MergeBench(bool small) : fIsSmall(small), fInitialized(false) { }
protected:
const char* onGetName() override {
return fIsSmall ? "merge_small" : "merge_large";
}
void onPreDraw() override {
if (!fInitialized) {
make_bitmap();
make_checkerboard();
fInitialized = true;
}
}
void onDraw(const int loops, SkCanvas* canvas) override {
SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) :
SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE);
SkPaint paint;
paint.setImageFilter(mergeBitmaps())->unref();
for (int i = 0; i < loops; i++) {
canvas->drawRect(r, paint);
}
}
private:
SkImageFilter* mergeBitmaps() {
SkAutoTUnref<SkImageFilter> first(SkImageSource::Create(fCheckerboard));
SkAutoTUnref<SkImageFilter> second(SkImageSource::Create(fImage));
return SkMergeImageFilter::Create(first, second);
}
void make_bitmap() {
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(80, 80));
surface->getCanvas()->clear(0x00000000);
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(0xFF884422);
paint.setTextSize(SkIntToScalar(96));
const char* str = "g";
surface->getCanvas()->drawText(str, strlen(str), 15, 55, paint);
fImage.reset(surface->newImageSnapshot());
}
void make_checkerboard() {
SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(80, 80));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(0x00000000);
SkPaint darkPaint;
darkPaint.setColor(0xFF804020);
SkPaint lightPaint;
lightPaint.setColor(0xFF244484);
for (int y = 0; y < 80; y += 16) {
for (int x = 0; x < 80; x += 16) {
canvas->save();
canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
canvas->drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
canvas->drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
canvas->drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
canvas->drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
canvas->restore();
}
}
fCheckerboard.reset(surface->newImageSnapshot());
}
bool fIsSmall;
bool fInitialized;
SkAutoTUnref<SkImage> fImage, fCheckerboard;
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new MergeBench(true); )
DEF_BENCH( return new MergeBench(false); )
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