aosp12/external/skia/bench/BlurBench.cpp

104 lines
3.2 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "bench/Benchmark.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkMaskFilter.h"
#include "include/core/SkPaint.h"
#include "include/core/SkShader.h"
#include "include/core/SkString.h"
#include "include/utils/SkRandom.h"
#include "src/core/SkBlurMask.h"
#define MINI 0.01f
#define SMALL SkIntToScalar(2)
#define REAL 0.5f
#define BIG SkIntToScalar(10)
#define REALBIG 100.5f
// The value that produces a sigma of just over 2.
#define CUTOVER 2.6f
static const char* gStyleName[] = {
"normal",
"solid",
"outer",
"inner"
};
class BlurBench : public Benchmark {
SkScalar fRadius;
SkBlurStyle fStyle;
SkString fName;
public:
BlurBench(SkScalar rad, SkBlurStyle bs) {
fRadius = rad;
fStyle = bs;
const char* name = rad > 0 ? gStyleName[bs] : "none";
const char* quality = "high_quality";
if (SkScalarFraction(rad) != 0) {
fName.printf("blur_%.2f_%s_%s", SkScalarToFloat(rad), name, quality);
} else {
fName.printf("blur_%d_%s_%s", SkScalarRoundToInt(rad), name, quality);
}
}
protected:
const char* onGetName() override {
return fName.c_str();
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
SkRandom rand;
for (int i = 0; i < loops; i++) {
SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
rand.nextUScalar1() * 400);
r.offset(fRadius, fRadius);
if (fRadius > 0) {
paint.setMaskFilter(SkMaskFilter::MakeBlur(fStyle,
SkBlurMask::ConvertRadiusToSigma(fRadius)));
}
canvas->drawOval(r, paint);
}
}
private:
using INHERITED = Benchmark;
};
DEF_BENCH(return new BlurBench(MINI, kNormal_SkBlurStyle);)
DEF_BENCH(return new BlurBench(MINI, kSolid_SkBlurStyle);)
DEF_BENCH(return new BlurBench(MINI, kOuter_SkBlurStyle);)
DEF_BENCH(return new BlurBench(MINI, kInner_SkBlurStyle);)
DEF_BENCH(return new BlurBench(SMALL, kNormal_SkBlurStyle);)
DEF_BENCH(return new BlurBench(SMALL, kSolid_SkBlurStyle);)
DEF_BENCH(return new BlurBench(SMALL, kOuter_SkBlurStyle);)
DEF_BENCH(return new BlurBench(SMALL, kInner_SkBlurStyle);)
DEF_BENCH(return new BlurBench(BIG, kNormal_SkBlurStyle);)
DEF_BENCH(return new BlurBench(BIG, kSolid_SkBlurStyle);)
DEF_BENCH(return new BlurBench(BIG, kOuter_SkBlurStyle);)
DEF_BENCH(return new BlurBench(BIG, kInner_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REALBIG, kNormal_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REALBIG, kSolid_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REALBIG, kOuter_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REALBIG, kInner_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REAL, kNormal_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REAL, kSolid_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REAL, kOuter_SkBlurStyle);)
DEF_BENCH(return new BlurBench(REAL, kInner_SkBlurStyle);)
DEF_BENCH(return new BlurBench(0, kNormal_SkBlurStyle);)