skia2/bench/StrokeBench.cpp

120 lines
3.6 KiB
C++

/*
* Copyright 2015 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 "SkPaint.h"
#include "SkPath.h"
#include "SkRandom.h"
#include "SkString.h"
class StrokeBench : public Benchmark {
public:
StrokeBench(const SkPath& path, const SkPaint& paint, const char pathType[], SkScalar res)
: fPath(path), fPaint(paint), fRes(res)
{
fName.printf("build_stroke_%s_%g_%d_%d",
pathType, paint.getStrokeWidth(), paint.getStrokeJoin(), paint.getStrokeCap());
}
protected:
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
const char* onGetName() override { return fName.c_str(); }
void onDraw(const int loops, SkCanvas* canvas) override {
SkPaint paint(fPaint);
this->setupPaint(&paint);
for (int outer = 0; outer < 10; ++outer) {
for (int i = 0; i < loops; ++i) {
SkPath result;
paint.getFillPath(fPath, &result, nullptr, fRes);
}
}
}
private:
SkPath fPath;
SkPaint fPaint;
SkString fName;
SkScalar fRes;
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static const int N = 100;
static const SkScalar X = 100;
static const SkScalar Y = 100;
static SkPoint rand_pt(SkRandom& rand) {
return SkPoint::Make(rand.nextSScalar1() * X, rand.nextSScalar1() * Y);
}
static SkPath line_path_maker() {
SkPath path;
SkRandom rand;
path.moveTo(rand_pt(rand));
for (int i = 0; i < N; ++i) {
path.lineTo(rand_pt(rand));
}
return path;
}
static SkPath quad_path_maker() {
SkPath path;
SkRandom rand;
path.moveTo(rand_pt(rand));
for (int i = 0; i < N; ++i) {
path.quadTo(rand_pt(rand), rand_pt(rand));
}
return path;
}
static SkPath conic_path_maker() {
SkPath path;
SkRandom rand;
path.moveTo(rand_pt(rand));
for (int i = 0; i < N; ++i) {
path.conicTo(rand_pt(rand), rand_pt(rand), rand.nextUScalar1());
}
return path;
}
static SkPath cubic_path_maker() {
SkPath path;
SkRandom rand;
path.moveTo(rand_pt(rand));
for (int i = 0; i < N; ++i) {
path.cubicTo(rand_pt(rand), rand_pt(rand), rand_pt(rand));
}
return path;
}
static SkPaint paint_maker() {
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(X / 10);
paint.setStrokeJoin(SkPaint::kMiter_Join);
paint.setStrokeCap(SkPaint::kSquare_Cap);
return paint;
}
DEF_BENCH(return new StrokeBench(line_path_maker(), paint_maker(), "line_1", 1);)
DEF_BENCH(return new StrokeBench(quad_path_maker(), paint_maker(), "quad_1", 1);)
DEF_BENCH(return new StrokeBench(conic_path_maker(), paint_maker(), "conic_1", 1);)
DEF_BENCH(return new StrokeBench(cubic_path_maker(), paint_maker(), "cubic_1", 1);)
DEF_BENCH(return new StrokeBench(line_path_maker(), paint_maker(), "line_4", 4);)
DEF_BENCH(return new StrokeBench(quad_path_maker(), paint_maker(), "quad_4", 4);)
DEF_BENCH(return new StrokeBench(conic_path_maker(), paint_maker(), "conic_4", 4);)
DEF_BENCH(return new StrokeBench(cubic_path_maker(), paint_maker(), "cubic_4", 4);)
DEF_BENCH(return new StrokeBench(line_path_maker(), paint_maker(), "line_.25", .25f);)
DEF_BENCH(return new StrokeBench(quad_path_maker(), paint_maker(), "quad_.25", .25f);)
DEF_BENCH(return new StrokeBench(conic_path_maker(), paint_maker(), "conic_.25", .25f);)
DEF_BENCH(return new StrokeBench(cubic_path_maker(), paint_maker(), "cubic_.25", .25f);)