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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// for std::max
#include <algorithm>
#include "Benchmark.h"
#include "SkCurveMeasure.h"
#include "SkPath.h"
#include "SkPathMeasure.h"
#include "SkString.h"
#define NORMALIZE_LOOPS
class MeasureBench : public Benchmark {
protected:
SkString fName;
SkPath fPath;
bool fUsePathMeasure;
float fSize;
size_t fPieces;
SkPoint fPts[3];
public:
MeasureBench(bool usePathMeasure, float size, size_t pieces)
: fUsePathMeasure(usePathMeasure),
fSize(size),
fPieces(pieces) {
fName.printf("measure_%s_%.1f_" SK_SIZE_T_SPECIFIER,
fUsePathMeasure ? "pathMeasure" : "curveMeasure", fSize,
fPieces);
auto p1 = SkPoint::Make(0, 0);
auto p2 = SkPoint::Make(30*fSize, 0);
auto p3 = SkPoint::Make(15*fSize, 15*fSize);
fPts[0] = p1;
fPts[1] = p2;
fPts[2] = p3;
this->setPath();
}
protected:
const char* onGetName() override { return fName.c_str(); }
void setPath() {
fPath.moveTo(fPts[0]);
fPath.quadTo(fPts[1], fPts[2]);
}
int numLoops() {
#ifdef NORMALIZE_LOOPS
// arbitrary heuristic
return std::max(2, 10000 / ((int)fSize*(int)fPieces));
#else
return 1000;
#endif // NORMALIZE_LOOPS
}
//// measurement code
void do_pathMeasure(SkCanvas* canvas) {
SkPathMeasure meas(fPath, false);
SkScalar totalLength = meas.getLength();
SkScalar pieceLength = totalLength / fPieces;
SkPoint point;
for (size_t i = 0; i <= fPieces; i++) {
if (meas.getPosTan(i * pieceLength, &point, nullptr)) {
};
}
}
void do_curveMeasure(SkCanvas* canvas) {
SkCurveMeasure meas(fPts, kQuad_SegType);
SkScalar totalLength = meas.getLength();
SkScalar pieceLength = totalLength / fPieces;
SkPoint point;
for (size_t i = 0; i <= fPieces; i++) {
meas.getPosTanTime(i*pieceLength, &point, nullptr, nullptr);
}
}
void onDraw(int loops, SkCanvas* canvas) override {
int inner_loops = numLoops();
for (int i = 0; i < loops; i++) {
for (int j = 0; j < inner_loops; j++) {
if (fUsePathMeasure) {
do_pathMeasure(canvas);
}
else {
do_curveMeasure(canvas);
}
}
}
}
private:
typedef Benchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH(return new MeasureBench(true, 1, 2);)
DEF_BENCH(return new MeasureBench(true, 2, 2);)
DEF_BENCH(return new MeasureBench(true, 10, 2);)
DEF_BENCH(return new MeasureBench(true, 100, 2);)
DEF_BENCH(return new MeasureBench(true, 1000, 2);)
DEF_BENCH(return new MeasureBench(true, 1, 1);)
DEF_BENCH(return new MeasureBench(true, 1, 2);)
DEF_BENCH(return new MeasureBench(true, 1, 3);)
DEF_BENCH(return new MeasureBench(true, 1, 4);)
DEF_BENCH(return new MeasureBench(true, 1, 5);)
DEF_BENCH(return new MeasureBench(true, 2, 1);)
DEF_BENCH(return new MeasureBench(true, 2, 2);)
DEF_BENCH(return new MeasureBench(true, 2, 3);)
DEF_BENCH(return new MeasureBench(true, 2, 4);)
DEF_BENCH(return new MeasureBench(true, 2, 5);)
DEF_BENCH(return new MeasureBench(true, 10, 10);)
DEF_BENCH(return new MeasureBench(true, 10, 20);)
DEF_BENCH(return new MeasureBench(true, 10, 30);)
DEF_BENCH(return new MeasureBench(true, 10, 40);)
DEF_BENCH(return new MeasureBench(true, 10, 50);)
DEF_BENCH(return new MeasureBench(true, 100, 100);)
DEF_BENCH(return new MeasureBench(true, 100, 200);)
DEF_BENCH(return new MeasureBench(true, 100, 300);)
DEF_BENCH(return new MeasureBench(true, 100, 400);)
DEF_BENCH(return new MeasureBench(true, 100, 500);)
DEF_BENCH(return new MeasureBench(true, 1000, 1000);)
DEF_BENCH(return new MeasureBench(true, 1000, 2000);)
DEF_BENCH(return new MeasureBench(true, 1000, 3000);)
DEF_BENCH(return new MeasureBench(true, 1000, 4000);)
DEF_BENCH(return new MeasureBench(true, 1000, 5000);)
DEF_BENCH(return new MeasureBench(false, 1, 2);)
DEF_BENCH(return new MeasureBench(false, 2, 2);)
DEF_BENCH(return new MeasureBench(false, 10, 2);)
DEF_BENCH(return new MeasureBench(false, 100, 2);)
DEF_BENCH(return new MeasureBench(false, 1000, 2);)
DEF_BENCH(return new MeasureBench(false, 1, 1);)
DEF_BENCH(return new MeasureBench(false, 1, 2);)
DEF_BENCH(return new MeasureBench(false, 1, 3);)
DEF_BENCH(return new MeasureBench(false, 1, 4);)
DEF_BENCH(return new MeasureBench(false, 1, 5);)
DEF_BENCH(return new MeasureBench(false, 2, 1);)
DEF_BENCH(return new MeasureBench(false, 2, 2);)
DEF_BENCH(return new MeasureBench(false, 2, 3);)
DEF_BENCH(return new MeasureBench(false, 2, 4);)
DEF_BENCH(return new MeasureBench(false, 2, 5);)
DEF_BENCH(return new MeasureBench(false, 10, 10);)
DEF_BENCH(return new MeasureBench(false, 10, 20);)
DEF_BENCH(return new MeasureBench(false, 10, 30);)
DEF_BENCH(return new MeasureBench(false, 10, 40);)
DEF_BENCH(return new MeasureBench(false, 10, 50);)
DEF_BENCH(return new MeasureBench(false, 100, 100);)
DEF_BENCH(return new MeasureBench(false, 100, 200);)
DEF_BENCH(return new MeasureBench(false, 100, 300);)
DEF_BENCH(return new MeasureBench(false, 100, 400);)
DEF_BENCH(return new MeasureBench(false, 100, 500);)
DEF_BENCH(return new MeasureBench(false, 1000, 1000);)
DEF_BENCH(return new MeasureBench(false, 1000, 2000);)
DEF_BENCH(return new MeasureBench(false, 1000, 3000);)
DEF_BENCH(return new MeasureBench(false, 1000, 4000);)
DEF_BENCH(return new MeasureBench(false, 1000, 5000);)
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