skia2/bench/BlurRectBench.cpp

134 lines
3.6 KiB
C++
Raw Normal View History

/*
* 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 "SkBenchmark.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
#include "SkBlurMask.h"
#define SMALL SkIntToScalar(2)
#define REAL SkFloatToScalar(1.5f)
#define BIG SkIntToScalar(10)
#define REALBIG SkFloatToScalar(30.5f)
class BlurRectBench: public SkBenchmark {
SkScalar fRadius;
SkString fName;
public:
BlurRectBench(void *param, SkScalar rad) : INHERITED(param) {
fRadius = rad;
}
protected:
virtual const char* onGetName() {
return fName.c_str();
}
SkScalar radius() const {
return fRadius;
}
void setName( SkString name ) {
fName = name;
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
int pad = fRadius * 1.5 + 1;
SkRect r = SkRect::MakeWH(2 * pad + 1, 2 * pad + 1);
int loop_count;
if (fRadius > SkIntToScalar(50)) {
loop_count = 10;
} else if (fRadius > SkIntToScalar(5)) {
loop_count = 1000;
} else {
loop_count = 10000;
}
preBenchSetup( r );
for (int i = 0; i < SkBENCHLOOP(loop_count); i++) {
makeBlurryRect( r );
}
}
virtual void makeBlurryRect( SkRect &r ) = 0;
virtual void preBenchSetup( SkRect &r ) {}
private:
typedef SkBenchmark INHERITED;
};
class BlurRectDirectBench: public BlurRectBench {
public:
BlurRectDirectBench( void *param, SkScalar rad ) : BlurRectBench( param, rad ) {
SkString name;
if (SkScalarFraction(rad) != 0) {
name.printf("blurrect_direct_%.2f", SkScalarToFloat(rad));
} else {
name.printf("blurrect_direct_%d", SkScalarRound(rad));
}
setName( name );
}
protected:
virtual void makeBlurryRect( SkRect &r ) {
SkMask mask;
SkBlurMask::BlurRect( &mask, r, radius(), SkBlurMask::kNormal_Style, SkBlurMask::kHigh_Quality );
}
};
class BlurRectSeparableBench: public BlurRectBench {
SkMask fSrcMask;
public:
BlurRectSeparableBench(void *param, SkScalar rad) : BlurRectBench( param, rad ) {
SkString name;
if (SkScalarFraction(rad) != 0) {
name.printf("blurrect_separable_%.2f", SkScalarToFloat(rad));
} else {
name.printf("blurrect_separable_%d", SkScalarRound(rad));
}
setName( name );
}
protected:
virtual void preBenchSetup( SkRect &r ) {
fSrcMask.fFormat = SkMask::kA8_Format;
fSrcMask.fRowBytes = r.width();
fSrcMask.fBounds = SkIRect::MakeWH(r.width(), r.height());
fSrcMask.fImage = SkMask::AllocImage( fSrcMask.computeTotalImageSize() );
memset( fSrcMask.fImage, 0xff, fSrcMask.computeTotalImageSize() );
}
virtual void makeBlurryRect( SkRect &r ) {
SkMask mask;
SkBlurMask::BlurSeparable( &mask, fSrcMask, radius(), SkBlurMask::kNormal_Style, SkBlurMask::kHigh_Quality );
}
};
DEF_BENCH(return new BlurRectSeparableBench(p, SMALL);)
DEF_BENCH(return new BlurRectSeparableBench(p, BIG);)
DEF_BENCH(return new BlurRectSeparableBench(p, REALBIG);)
DEF_BENCH(return new BlurRectSeparableBench(p, REAL);)
DEF_BENCH(return new BlurRectDirectBench(p, SMALL);)
DEF_BENCH(return new BlurRectDirectBench(p, BIG);)
DEF_BENCH(return new BlurRectDirectBench(p, REALBIG);)
DEF_BENCH(return new BlurRectDirectBench(p, REAL);)