skia2/bench/BlurBench.cpp
reed@google.com 25df8884bb add bench for building blurs
git-svn-id: http://skia.googlecode.com/svn/trunk@1865 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-07-14 19:03:58 +00:00

85 lines
2.7 KiB
C++

#include "SkBenchmark.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
#include "SkBlurMaskFilter.h"
#define SMALL SkIntToScalar(2)
#define BIG SkIntToScalar(10)
static const char* gStyleName[] = {
"normal",
"solid",
"outer",
"inner"
};
class BlurBench : public SkBenchmark {
SkScalar fRadius;
SkBlurMaskFilter::BlurStyle fStyle;
SkString fName;
public:
BlurBench(void* param, SkScalar rad, SkBlurMaskFilter::BlurStyle bs) : INHERITED(param) {
fRadius = rad;
fStyle = bs;
const char* name = rad > 0 ? gStyleName[bs] : "none";
fName.printf("blur_%g_%s", rad, name);
}
protected:
virtual const char* onGetName() {
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
SkRandom rand;
for (int i = 0; i < 10; i++) {
SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
rand.nextUScalar1() * 400);
r.offset(fRadius, fRadius);
if (fRadius > 0) {
SkMaskFilter* mf = SkBlurMaskFilter::Create(fRadius, fStyle, 0);
paint.setMaskFilter(mf)->unref();
}
canvas->drawOval(r, paint);
}
}
private:
typedef SkBenchmark INHERITED;
};
static SkBenchmark* Fact00(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kNormal_BlurStyle); }
static SkBenchmark* Fact01(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kSolid_BlurStyle); }
static SkBenchmark* Fact02(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kOuter_BlurStyle); }
static SkBenchmark* Fact03(void* p) { return new BlurBench(p, SMALL, SkBlurMaskFilter::kInner_BlurStyle); }
static SkBenchmark* Fact10(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kNormal_BlurStyle); }
static SkBenchmark* Fact11(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kSolid_BlurStyle); }
static SkBenchmark* Fact12(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kOuter_BlurStyle); }
static SkBenchmark* Fact13(void* p) { return new BlurBench(p, BIG, SkBlurMaskFilter::kInner_BlurStyle); }
static SkBenchmark* FactNone(void* p) { return new BlurBench(p, 0, SkBlurMaskFilter::kNormal_BlurStyle); }
static BenchRegistry gReg00(Fact00);
static BenchRegistry gReg01(Fact01);
static BenchRegistry gReg02(Fact02);
static BenchRegistry gReg03(Fact03);
static BenchRegistry gReg10(Fact10);
static BenchRegistry gReg11(Fact11);
static BenchRegistry gReg12(Fact12);
static BenchRegistry gReg13(Fact13);
static BenchRegistry gRegNone(FactNone);