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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 "SkBlurMask.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
class BitmapScaleBench: public Benchmark {
int fLoopCount;
int fInputSize;
int fOutputSize;
SkString fName;
public:
BitmapScaleBench( int is, int os) {
fInputSize = is;
fOutputSize = os;
fLoopCount = 20;
}
protected:
SkBitmap fInputBitmap, fOutputBitmap;
SkMatrix fMatrix;
const char* onGetName() override {
return fName.c_str();
}
int inputSize() const {
return fInputSize;
}
int outputSize() const {
return fOutputSize;
}
float scale() const {
return float(outputSize())/inputSize();
}
SkIPoint onGetSize() override {
return SkIPoint::Make( fOutputSize, fOutputSize );
}
void setName(const char * name) {
fName.printf( "bitmap_scale_%s_%d_%d", name, fInputSize, fOutputSize );
}
void onDelayedSetup() override {
fInputBitmap.allocN32Pixels(fInputSize, fInputSize, true);
fInputBitmap.eraseColor(SK_ColorWHITE);
fOutputBitmap.allocN32Pixels(fOutputSize, fOutputSize, true);
fMatrix.setScale( scale(), scale() );
}
void onDraw(int loops, SkCanvas*) override {
SkPaint paint;
this->setupPaint(&paint);
preBenchSetup();
for (int i = 0; i < loops; i++) {
doScaleImage();
}
}
virtual void doScaleImage() = 0;
virtual void preBenchSetup() {}
private:
typedef Benchmark INHERITED;
};
class BitmapFilterScaleBench: public BitmapScaleBench {
public:
BitmapFilterScaleBench( int is, int os) : INHERITED(is, os) {
setName( "filter" );
}
protected:
void doScaleImage() override {
SkCanvas canvas( fOutputBitmap );
SkPaint paint;
paint.setFilterQuality(kHigh_SkFilterQuality);
fInputBitmap.notifyPixelsChanged();
canvas.concat(fMatrix);
canvas.drawBitmap(fInputBitmap, 0, 0, &paint );
}
private:
typedef BitmapScaleBench INHERITED;
};
DEF_BENCH(return new BitmapFilterScaleBench(10, 90);)
DEF_BENCH(return new BitmapFilterScaleBench(30, 90);)
DEF_BENCH(return new BitmapFilterScaleBench(80, 90);)
DEF_BENCH(return new BitmapFilterScaleBench(90, 90);)
DEF_BENCH(return new BitmapFilterScaleBench(90, 80);)
DEF_BENCH(return new BitmapFilterScaleBench(90, 30);)
DEF_BENCH(return new BitmapFilterScaleBench(90, 10);)
DEF_BENCH(return new BitmapFilterScaleBench(256, 64);)
DEF_BENCH(return new BitmapFilterScaleBench(64, 256);)
///////////////////////////////////////////////////////////////////////////////////////////////
#include "SkBitmapScaler.h"
class PixmapScalerBench: public Benchmark {
SkBitmapScaler::ResizeMethod fMethod;
SkString fName;
SkBitmap fSrc, fDst;
public:
PixmapScalerBench(SkBitmapScaler::ResizeMethod method, const char suffix[]) : fMethod(method) {
fName.printf("pixmapscaler_%s", suffix);
}
protected:
const char* onGetName() override {
return fName.c_str();
}
SkIPoint onGetSize() override { return{ 100, 100 }; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDelayedSetup() override {
fSrc.allocN32Pixels(640, 480);
fSrc.eraseColor(SK_ColorWHITE);
fDst.allocN32Pixels(300, 250);
}
void onDraw(int loops, SkCanvas*) override {
SkPixmap src, dst;
fSrc.peekPixels(&src);
fDst.peekPixels(&dst);
for (int i = 0; i < loops * 16; i++) {
SkBitmapScaler::Resize(dst, src, fMethod);
}
}
private:
typedef Benchmark INHERITED;
};
DEF_BENCH( return new PixmapScalerBench(SkBitmapScaler::RESIZE_LANCZOS3, "lanczos"); )
DEF_BENCH( return new PixmapScalerBench(SkBitmapScaler::RESIZE_MITCHELL, "mitchell"); )
DEF_BENCH( return new PixmapScalerBench(SkBitmapScaler::RESIZE_HAMMING, "hamming"); )
DEF_BENCH( return new PixmapScalerBench(SkBitmapScaler::RESIZE_TRIANGLE, "triangle"); )
DEF_BENCH( return new PixmapScalerBench(SkBitmapScaler::RESIZE_BOX, "box"); )
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