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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"
#define SMALL SkIntToScalar(2)
#define REAL 1.5f
static const SkScalar kMedium = SkIntToScalar(5);
#define BIG SkIntToScalar(10)
static const SkScalar kMedBig = SkIntToScalar(20);
#define REALBIG 30.5f
class BlurRectBench: public Benchmark {
int fLoopCount;
SkScalar fRadius;
SkString fName;
public:
BlurRectBench(SkScalar rad) {
fRadius = rad;
if (fRadius > SkIntToScalar(25)) {
fLoopCount = 100;
} else if (fRadius > SkIntToScalar(5)) {
fLoopCount = 1000;
} else {
fLoopCount = 10000;
}
}
protected:
virtual const char* onGetName() {
return fName.c_str();
}
SkScalar radius() const {
return fRadius;
}
void setName(const SkString& name) {
fName = name;
}
virtual void onDraw(int loops, SkCanvas*) {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
SkScalar pad = fRadius*3/2 + SK_Scalar1;
SkRect r = SkRect::MakeWH(2 * pad + SK_Scalar1, 2 * pad + SK_Scalar1);
preBenchSetup(r);
for (int i = 0; i < loops; i++) {
this->makeBlurryRect(r);
}
}
virtual void makeBlurryRect(const SkRect&) = 0;
virtual void preBenchSetup(const SkRect&) {}
private:
typedef Benchmark INHERITED;
};
class BlurRectDirectBench: public BlurRectBench {
public:
BlurRectDirectBench(SkScalar rad) : INHERITED(rad) {
SkString name;
if (SkScalarFraction(rad) != 0) {
name.printf("blurrect_direct_%.2f", SkScalarToFloat(rad));
} else {
name.printf("blurrect_direct_%d", SkScalarRoundToInt(rad));
}
this->setName(name);
}
protected:
void makeBlurryRect(const SkRect& r) override {
SkMask mask;
if (!SkBlurMask::BlurRect(SkBlurMask::ConvertRadiusToSigma(this->radius()),
&mask, r, kNormal_SkBlurStyle)) {
return;
}
SkMask::FreeImage(mask.fImage);
}
private:
typedef BlurRectBench INHERITED;
};
class BlurRectSeparableBench: public BlurRectBench {
public:
BlurRectSeparableBench(SkScalar rad) : INHERITED(rad) { }
~BlurRectSeparableBench() override {
SkMask::FreeImage(fSrcMask.fImage);
}
protected:
void preBenchSetup(const SkRect& r) override {
SkMask::FreeImage(fSrcMask.fImage);
r.roundOut(&fSrcMask.fBounds);
fSrcMask.fFormat = SkMask::kA8_Format;
fSrcMask.fRowBytes = fSrcMask.fBounds.width();
fSrcMask.fImage = SkMask::AllocImage(fSrcMask.computeTotalImageSize());
memset(fSrcMask.fImage, 0xff, fSrcMask.computeTotalImageSize());
}
SkMask fSrcMask;
private:
typedef BlurRectBench INHERITED;
};
class BlurRectBoxFilterBench: public BlurRectSeparableBench {
public:
BlurRectBoxFilterBench(SkScalar rad) : INHERITED(rad) {
SkString name;
if (SkScalarFraction(rad) != 0) {
name.printf("blurrect_boxfilter_%.2f", SkScalarToFloat(rad));
} else {
name.printf("blurrect_boxfilter_%d", SkScalarRoundToInt(rad));
}
this->setName(name);
}
protected:
void makeBlurryRect(const SkRect&) override {
SkMask mask;
if (!SkBlurMask::BoxBlur(&mask, fSrcMask, SkBlurMask::ConvertRadiusToSigma(this->radius()),
kNormal_SkBlurStyle)) {
return;
}
SkMask::FreeImage(mask.fImage);
}
private:
typedef BlurRectSeparableBench INHERITED;
};
class BlurRectGaussianBench: public BlurRectSeparableBench {
public:
BlurRectGaussianBench(SkScalar rad) : INHERITED(rad) {
SkString name;
if (SkScalarFraction(rad) != 0) {
name.printf("blurrect_gaussian_%.2f", SkScalarToFloat(rad));
} else {
name.printf("blurrect_gaussian_%d", SkScalarRoundToInt(rad));
}
this->setName(name);
}
protected:
void makeBlurryRect(const SkRect&) override {
SkMask mask;
if (!SkBlurMask::BlurGroundTruth(SkBlurMask::ConvertRadiusToSigma(this->radius()),
&mask, fSrcMask, kNormal_SkBlurStyle)) {
return;
}
SkMask::FreeImage(mask.fImage);
}
private:
typedef BlurRectSeparableBench INHERITED;
};
DEF_BENCH(return new BlurRectBoxFilterBench(SMALL);)
DEF_BENCH(return new BlurRectBoxFilterBench(BIG);)
DEF_BENCH(return new BlurRectBoxFilterBench(REALBIG);)
DEF_BENCH(return new BlurRectBoxFilterBench(REAL);)
DEF_BENCH(return new BlurRectGaussianBench(SMALL);)
DEF_BENCH(return new BlurRectGaussianBench(BIG);)
DEF_BENCH(return new BlurRectGaussianBench(REALBIG);)
DEF_BENCH(return new BlurRectGaussianBench(REAL);)
DEF_BENCH(return new BlurRectDirectBench(SMALL);)
DEF_BENCH(return new BlurRectDirectBench(BIG);)
DEF_BENCH(return new BlurRectDirectBench(REALBIG);)
DEF_BENCH(return new BlurRectDirectBench(REAL);)
DEF_BENCH(return new BlurRectDirectBench(kMedium);)
DEF_BENCH(return new BlurRectDirectBench(kMedBig);)
DEF_BENCH(return new BlurRectBoxFilterBench(kMedium);)
DEF_BENCH(return new BlurRectBoxFilterBench(kMedBig);)
#if 0
// disable Gaussian benchmarks; the algorithm works well enough
// and serves as a baseline for ground truth, but it's too slow
// to use in production for non-trivial radii, so no real point
// in having the bots benchmark it all the time.
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(1));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(2));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(3));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(4));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(5));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(6));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(7));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(8));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(9));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(10));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(11));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(12));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(13));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(14));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(15));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(16));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(17));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(18));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(19));)
DEF_BENCH(return new BlurRectGaussianBench(SkIntToScalar(20));)
#endif
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