moz-skia/bench/PathBench.cpp

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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 "SkBenchmark.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkColorPriv.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
#include "SkTArray.h"
enum Flags {
kStroke_Flag = 1 << 0,
kBig_Flag = 1 << 1
};
#define FLAGS00 Flags(0)
#define FLAGS01 Flags(kStroke_Flag)
#define FLAGS10 Flags(kBig_Flag)
#define FLAGS11 Flags(kStroke_Flag | kBig_Flag)
class PathBench : public SkBenchmark {
SkPaint fPaint;
SkString fName;
Flags fFlags;
enum { N = SkBENCHLOOP(1000) };
public:
PathBench(void* param, Flags flags) : INHERITED(param), fFlags(flags) {
fPaint.setStyle(flags & kStroke_Flag ? SkPaint::kStroke_Style :
SkPaint::kFill_Style);
fPaint.setStrokeWidth(SkIntToScalar(5));
fPaint.setStrokeJoin(SkPaint::kBevel_Join);
}
virtual void appendName(SkString*) = 0;
virtual void makePath(SkPath*) = 0;
virtual int complexity() { return 0; }
protected:
virtual const char* onGetName() SK_OVERRIDE {
fName.printf("path_%s_%s_",
fFlags & kStroke_Flag ? "stroke" : "fill",
fFlags & kBig_Flag ? "big" : "small");
this->appendName(&fName);
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint(fPaint);
this->setupPaint(&paint);
SkPath path;
this->makePath(&path);
if (fFlags & kBig_Flag) {
SkMatrix m;
m.setScale(SkIntToScalar(10), SkIntToScalar(10));
path.transform(m);
}
int count = N;
if (fFlags & kBig_Flag) {
count >>= 2;
}
count >>= (3 * complexity());
for (int i = 0; i < count; i++) {
canvas->drawPath(path, paint);
}
}
private:
typedef SkBenchmark INHERITED;
};
class TrianglePathBench : public PathBench {
public:
TrianglePathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("triangle");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
static const int gCoord[] = {
10, 10, 15, 5, 20, 20
};
path->moveTo(SkIntToScalar(gCoord[0]), SkIntToScalar(gCoord[1]));
path->lineTo(SkIntToScalar(gCoord[2]), SkIntToScalar(gCoord[3]));
path->lineTo(SkIntToScalar(gCoord[4]), SkIntToScalar(gCoord[5]));
path->close();
}
private:
typedef PathBench INHERITED;
};
class RectPathBench : public PathBench {
public:
RectPathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("rect");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRect r = { 10, 10, 20, 20 };
path->addRect(r);
}
private:
typedef PathBench INHERITED;
};
class OvalPathBench : public PathBench {
public:
OvalPathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("oval");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRect r = { 10, 10, 20, 20 };
path->addOval(r);
}
private:
typedef PathBench INHERITED;
};
class CirclePathBench: public PathBench {
public:
CirclePathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("circle");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
path->addCircle(SkIntToScalar(20), SkIntToScalar(20),
SkIntToScalar(10));
}
private:
typedef PathBench INHERITED;
};
class SawToothPathBench : public PathBench {
public:
SawToothPathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("sawtooth");
}
virtual void makePath(SkPath* path) {
SkScalar x = SkIntToScalar(20);
SkScalar y = SkIntToScalar(20);
const SkScalar x0 = x;
const SkScalar dx = SK_Scalar1 * 5;
const SkScalar dy = SK_Scalar1 * 10;
path->moveTo(x, y);
for (int i = 0; i < 32; i++) {
x += dx;
path->lineTo(x, y - dy);
x += dx;
path->lineTo(x, y + dy);
}
path->lineTo(x, y + 2 * dy);
path->lineTo(x0, y + 2 * dy);
path->close();
}
virtual int complexity() SK_OVERRIDE { return 1; }
private:
typedef PathBench INHERITED;
};
class LongCurvedPathBench : public PathBench {
public:
LongCurvedPathBench(void * param, Flags flags)
: INHERITED(param, flags) {
}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("long_curved");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRandom rand (12);
int i;
for (i = 0; i < 100; i++) {
path->quadTo(SkScalarMul(rand.nextUScalar1(), SkIntToScalar(640)),
SkScalarMul(rand.nextUScalar1(), SkIntToScalar(480)),
SkScalarMul(rand.nextUScalar1(), SkIntToScalar(640)),
SkScalarMul(rand.nextUScalar1(), SkIntToScalar(480)));
}
path->close();
}
virtual int complexity() SK_OVERRIDE { return 2; }
private:
typedef PathBench INHERITED;
};
class LongLinePathBench : public PathBench {
public:
LongLinePathBench(void * param, Flags flags)
: INHERITED(param, flags) {
}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("long_line");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRandom rand;
path->moveTo(rand.nextUScalar1() * 640, rand.nextUScalar1() * 480);
for (size_t i = 1; i < 100; i++) {
path->lineTo(rand.nextUScalar1() * 640, rand.nextUScalar1() * 480);
}
}
virtual int complexity() SK_OVERRIDE { return 2; }
private:
typedef PathBench INHERITED;
};
class RandomPathBench : public SkBenchmark {
public:
RandomPathBench(void* param) : INHERITED(param) {
fIsRendering = false;
}
protected:
void createData(int minVerbs,
int maxVerbs,
bool allowMoves = true,
SkRect* bounds = NULL) {
SkRect tempBounds;
if (NULL == bounds) {
tempBounds.setXYWH(0, 0, SK_Scalar1, SK_Scalar1);
bounds = &tempBounds;
}
fVerbCnts.reset(kNumVerbCnts);
for (int i = 0; i < kNumVerbCnts; ++i) {
fVerbCnts[i] = fRandom.nextRangeU(minVerbs, maxVerbs + 1);
}
fVerbs.reset(kNumVerbs);
for (int i = 0; i < kNumVerbs; ++i) {
do {
fVerbs[i] = static_cast<SkPath::Verb>(fRandom.nextULessThan(SkPath::kDone_Verb));
} while (!allowMoves && SkPath::kMove_Verb == fVerbs[i]);
}
fPoints.reset(kNumPoints);
for (int i = 0; i < kNumPoints; ++i) {
fPoints[i].set(fRandom.nextRangeScalar(bounds->fLeft, bounds->fRight),
fRandom.nextRangeScalar(bounds->fTop, bounds->fBottom));
}
this->restartMakingPaths();
}
void restartMakingPaths() {
fCurrPath = 0;
fCurrVerb = 0;
fCurrPoint = 0;
}
void makePath(SkPath* path) {
int vCount = fVerbCnts[(fCurrPath++) & (kNumVerbCnts - 1)];
for (int v = 0; v < vCount; ++v) {
int verb = fVerbs[(fCurrVerb++) & (kNumVerbs - 1)];
switch (verb) {
case SkPath::kMove_Verb:
path->moveTo(fPoints[(fCurrPoint++) & (kNumPoints - 1)]);
break;
case SkPath::kLine_Verb:
path->lineTo(fPoints[(fCurrPoint++) & (kNumPoints - 1)]);
break;
case SkPath::kQuad_Verb:
path->quadTo(fPoints[(fCurrPoint++) & (kNumPoints - 1)],
fPoints[(fCurrPoint++) & (kNumPoints - 1)]);
break;
case SkPath::kCubic_Verb:
path->cubicTo(fPoints[(fCurrPoint++) & (kNumPoints - 1)],
fPoints[(fCurrPoint++) & (kNumPoints - 1)],
fPoints[(fCurrPoint++) & (kNumPoints - 1)]);
break;
case SkPath::kClose_Verb:
path->close();
break;
default:
SkDEBUGFAIL("Unexpected path verb");
break;
}
}
}
void finishedMakingPaths() {
fVerbCnts.reset(0);
fVerbs.reset(0);
fPoints.reset(0);
}
private:
enum {
// these should all be pow 2
kNumVerbCnts = 1 << 5,
kNumVerbs = 1 << 5,
kNumPoints = 1 << 5,
};
SkAutoTArray<int> fVerbCnts;
SkAutoTArray<SkPath::Verb> fVerbs;
SkAutoTArray<SkPoint> fPoints;
int fCurrPath;
int fCurrVerb;
int fCurrPoint;
SkRandom fRandom;
typedef SkBenchmark INHERITED;
};
class PathCreateBench : public RandomPathBench {
public:
PathCreateBench(void* param) : INHERITED(param) {
}
protected:
enum { N = SkBENCHLOOP(5000) };
virtual const char* onGetName() SK_OVERRIDE {
return "path_create";
}
virtual void onPreDraw() SK_OVERRIDE {
this->createData(10, 100);
fPaths.reset(kPathCnt);
}
virtual void onDraw(SkCanvas*) SK_OVERRIDE {
for (int i = 0; i < N; ++i) {
this->makePath(&fPaths[i & (kPathCnt - 1)]);
}
this->restartMakingPaths();
}
virtual void onPostDraw() SK_OVERRIDE {
this->finishedMakingPaths();
fPaths.reset(0);
}
private:
enum {
// must be a pow 2
kPathCnt = 1 << 5,
};
SkAutoTArray<SkPath> fPaths;
typedef RandomPathBench INHERITED;
};
class PathCopyBench : public RandomPathBench {
public:
PathCopyBench(void* param) : INHERITED(param) {
}
protected:
enum { N = SkBENCHLOOP(30000) };
virtual const char* onGetName() SK_OVERRIDE {
return "path_copy";
}
virtual void onPreDraw() SK_OVERRIDE {
this->createData(10, 100);
fPaths.reset(kPathCnt);
fCopies.reset(kPathCnt);
for (int i = 0; i < kPathCnt; ++i) {
this->makePath(&fPaths[i]);
}
this->finishedMakingPaths();
}
virtual void onDraw(SkCanvas*) SK_OVERRIDE {
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
fCopies[idx] = fPaths[idx];
}
}
virtual void onPostDraw() SK_OVERRIDE {
fPaths.reset(0);
fCopies.reset(0);
}
private:
enum {
// must be a pow 2
kPathCnt = 1 << 5,
};
SkAutoTArray<SkPath> fPaths;
SkAutoTArray<SkPath> fCopies;
typedef RandomPathBench INHERITED;
};
class PathTransformBench : public RandomPathBench {
public:
PathTransformBench(bool inPlace, void* param)
: INHERITED(param)
, fInPlace(inPlace) {
}
protected:
enum { N = SkBENCHLOOP(30000) };
virtual const char* onGetName() SK_OVERRIDE {
return fInPlace ? "path_transform_in_place" : "path_transform_copy";
}
virtual void onPreDraw() SK_OVERRIDE {
fMatrix.setScale(5 * SK_Scalar1, 6 * SK_Scalar1);
this->createData(10, 100);
fPaths.reset(kPathCnt);
for (int i = 0; i < kPathCnt; ++i) {
this->makePath(&fPaths[i]);
}
this->finishedMakingPaths();
if (!fInPlace) {
fTransformed.reset(kPathCnt);
}
}
virtual void onDraw(SkCanvas*) SK_OVERRIDE {
if (fInPlace) {
for (int i = 0; i < N; ++i) {
fPaths[i & (kPathCnt - 1)].transform(fMatrix);
}
} else {
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
fPaths[idx].transform(fMatrix, &fTransformed[idx]);
}
}
}
virtual void onPostDraw() SK_OVERRIDE {
fPaths.reset(0);
fTransformed.reset(0);
}
private:
enum {
// must be a pow 2
kPathCnt = 1 << 5,
};
SkAutoTArray<SkPath> fPaths;
SkAutoTArray<SkPath> fTransformed;
SkMatrix fMatrix;
bool fInPlace;
typedef RandomPathBench INHERITED;
};
class PathEqualityBench : public RandomPathBench {
public:
PathEqualityBench(void* param)
: INHERITED(param) {
}
protected:
enum { N = SkBENCHLOOP(40000) };
virtual const char* onGetName() SK_OVERRIDE {
return "path_equality_50%";
}
virtual void onPreDraw() SK_OVERRIDE {
fParity = 0;
this->createData(10, 100);
fPaths.reset(kPathCnt);
fCopies.reset(kPathCnt);
for (int i = 0; i < kPathCnt; ++i) {
this->makePath(&fPaths[i]);
fCopies[i] = fPaths[i];
}
this->finishedMakingPaths();
}
virtual void onDraw(SkCanvas*) SK_OVERRIDE {
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
fParity ^= (fPaths[idx] == fCopies[idx & ~0x1]);
}
}
virtual void onPostDraw() SK_OVERRIDE {
fPaths.reset(0);
fCopies.reset(0);
}
private:
bool fParity; // attempt to keep compiler from optimizing out the ==
enum {
// must be a pow 2
kPathCnt = 1 << 5,
};
SkAutoTArray<SkPath> fPaths;
SkAutoTArray<SkPath> fCopies;
typedef RandomPathBench INHERITED;
};
class SkBench_AddPathTest : public RandomPathBench {
public:
enum AddType {
kAdd_AddType,
kAddTrans_AddType,
kAddMatrix_AddType,
kPathTo_AddType,
kReverseAdd_AddType,
kReversePathTo_AddType,
};
SkBench_AddPathTest(AddType type, void* param)
: INHERITED(param)
, fType(type) {
fMatrix.setRotate(60 * SK_Scalar1);
}
protected:
enum { N = SkBENCHLOOP(15000) };
virtual const char* onGetName() SK_OVERRIDE {
switch (fType) {
case kAdd_AddType:
return "path_add_path";
case kAddTrans_AddType:
return "path_add_path_trans";
case kAddMatrix_AddType:
return "path_add_path_matrix";
case kPathTo_AddType:
return "path_path_to";
case kReverseAdd_AddType:
return "path_reverse_add_path";
case kReversePathTo_AddType:
return "path_reverse_path_to";
default:
SkDEBUGFAIL("Bad add type");
return "";
}
}
virtual void onPreDraw() SK_OVERRIDE {
// pathTo and reversePathTo assume a single contour path.
bool allowMoves = kPathTo_AddType != fType &&
kReversePathTo_AddType != fType;
this->createData(10, 100, allowMoves);
fPaths0.reset(kPathCnt);
fPaths1.reset(kPathCnt);
for (int i = 0; i < kPathCnt; ++i) {
this->makePath(&fPaths0[i]);
this->makePath(&fPaths1[i]);
}
this->finishedMakingPaths();
}
virtual void onDraw(SkCanvas*) SK_OVERRIDE {
switch (fType) {
case kAdd_AddType:
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
SkPath result = fPaths0[idx];
result.addPath(fPaths1[idx]);
}
break;
case kAddTrans_AddType:
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
SkPath result = fPaths0[idx];
result.addPath(fPaths1[idx], 2 * SK_Scalar1, 5 * SK_Scalar1);
}
break;
case kAddMatrix_AddType:
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
SkPath result = fPaths0[idx];
result.addPath(fPaths1[idx], fMatrix);
}
break;
case kPathTo_AddType:
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
SkPath result = fPaths0[idx];
result.pathTo(fPaths1[idx]);
}
break;
case kReverseAdd_AddType:
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
SkPath result = fPaths0[idx];
result.reverseAddPath(fPaths1[idx]);
}
break;
case kReversePathTo_AddType:
for (int i = 0; i < N; ++i) {
int idx = i & (kPathCnt - 1);
SkPath result = fPaths0[idx];
result.reversePathTo(fPaths1[idx]);
}
break;
}
}
virtual void onPostDraw() SK_OVERRIDE {
fPaths0.reset(0);
fPaths1.reset(0);
}
private:
AddType fType; // or reverseAddPath
enum {
// must be a pow 2
kPathCnt = 1 << 5,
};
SkAutoTArray<SkPath> fPaths0;
SkAutoTArray<SkPath> fPaths1;
SkMatrix fMatrix;
typedef RandomPathBench INHERITED;
};
class CirclesBench : public SkBenchmark {
protected:
SkString fName;
enum {
N = SkBENCHLOOP(100)
};
public:
CirclesBench(void* param) : INHERITED(param) {
fName.printf("circles");
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
paint.setColor(SK_ColorBLACK);
paint.setAntiAlias(true);
SkRandom rand;
SkRect r;
for (int i = 0; i < 5000; ++i) {
SkScalar radius = rand.nextUScalar1() * 3;
r.fLeft = rand.nextUScalar1() * 300;
r.fTop = rand.nextUScalar1() * 300;
r.fRight = r.fLeft + 2 * radius;
r.fBottom = r.fTop + 2 * radius;
SkPath temp;
// mimic how Chrome does circles
temp.arcTo(r, 0, 0, false);
temp.addOval(r, SkPath::kCCW_Direction);
temp.arcTo(r, 360, 0, true);
temp.close();
canvas->drawPath(temp, paint);
}
}
private:
typedef SkBenchmark INHERITED;
};
static SkBenchmark* FactT00(void* p) { return new TrianglePathBench(p, FLAGS00); }
static SkBenchmark* FactT01(void* p) { return new TrianglePathBench(p, FLAGS01); }
static SkBenchmark* FactT10(void* p) { return new TrianglePathBench(p, FLAGS10); }
static SkBenchmark* FactT11(void* p) { return new TrianglePathBench(p, FLAGS11); }
static SkBenchmark* FactR00(void* p) { return new RectPathBench(p, FLAGS00); }
static SkBenchmark* FactR01(void* p) { return new RectPathBench(p, FLAGS01); }
static SkBenchmark* FactR10(void* p) { return new RectPathBench(p, FLAGS10); }
static SkBenchmark* FactR11(void* p) { return new RectPathBench(p, FLAGS11); }
static SkBenchmark* FactO00(void* p) { return new OvalPathBench(p, FLAGS00); }
static SkBenchmark* FactO01(void* p) { return new OvalPathBench(p, FLAGS01); }
static SkBenchmark* FactO10(void* p) { return new OvalPathBench(p, FLAGS10); }
static SkBenchmark* FactO11(void* p) { return new OvalPathBench(p, FLAGS11); }
static SkBenchmark* FactC00(void* p) { return new CirclePathBench(p, FLAGS00); }
static SkBenchmark* FactC01(void* p) { return new CirclePathBench(p, FLAGS01); }
static SkBenchmark* FactC10(void* p) { return new CirclePathBench(p, FLAGS10); }
static SkBenchmark* FactC11(void* p) { return new CirclePathBench(p, FLAGS11); }
static SkBenchmark* FactS00(void* p) { return new SawToothPathBench(p, FLAGS00); }
static SkBenchmark* FactS01(void* p) { return new SawToothPathBench(p, FLAGS01); }
static SkBenchmark* FactLC00(void* p) {
return new LongCurvedPathBench(p, FLAGS00);
}
static SkBenchmark* FactLC01(void* p) {
return new LongCurvedPathBench(p, FLAGS01);
}
static SkBenchmark* FactLL00(void* p) {
return new LongLinePathBench(p, FLAGS00);
}
static SkBenchmark* FactLL01(void* p) {
return new LongLinePathBench(p, FLAGS01);
}
static BenchRegistry gRegT00(FactT00);
static BenchRegistry gRegT01(FactT01);
static BenchRegistry gRegT10(FactT10);
static BenchRegistry gRegT11(FactT11);
static BenchRegistry gRegR00(FactR00);
static BenchRegistry gRegR01(FactR01);
static BenchRegistry gRegR10(FactR10);
static BenchRegistry gRegR11(FactR11);
static BenchRegistry gRegO00(FactO00);
static BenchRegistry gRegO01(FactO01);
static BenchRegistry gRegO10(FactO10);
static BenchRegistry gRegO11(FactO11);
static BenchRegistry gRegC00(FactC00);
static BenchRegistry gRegC01(FactC01);
static BenchRegistry gRegC10(FactC10);
static BenchRegistry gRegC11(FactC11);
static BenchRegistry gRegS00(FactS00);
static BenchRegistry gRegS01(FactS01);
static BenchRegistry gRegLC00(FactLC00);
static BenchRegistry gRegLC01(FactLC01);
static BenchRegistry gRegLL00(FactLL00);
static BenchRegistry gRegLL01(FactLL01);
static SkBenchmark* FactCreate(void* p) { return new PathCreateBench(p); }
static BenchRegistry gRegCreate(FactCreate);
static SkBenchmark* FactCopy(void* p) { return new PathCopyBench(p); }
static BenchRegistry gRegCopy(FactCopy);
static SkBenchmark* FactPathTransformInPlace(void* p) { return new PathTransformBench(true, p); }
static BenchRegistry gRegPathTransformInPlace(FactPathTransformInPlace);
static SkBenchmark* FactPathTransformCopy(void* p) { return new PathTransformBench(false, p); }
static BenchRegistry gRegPathTransformCopy(FactPathTransformCopy);
static SkBenchmark* FactEquality(void* p) { return new PathEqualityBench(p); }
static BenchRegistry gRegEquality(FactEquality);
static SkBenchmark* FactAdd(void* p) { return new SkBench_AddPathTest(SkBench_AddPathTest::kAdd_AddType, p); }
static SkBenchmark* FactAddTrans(void* p) { return new SkBench_AddPathTest(SkBench_AddPathTest::kAddTrans_AddType, p); }
static SkBenchmark* FactAddMatrix(void* p) { return new SkBench_AddPathTest(SkBench_AddPathTest::kAddMatrix_AddType, p); }
static SkBenchmark* FactPathTo(void* p) { return new SkBench_AddPathTest(SkBench_AddPathTest::kPathTo_AddType, p); }
static SkBenchmark* FactReverseAdd(void* p) { return new SkBench_AddPathTest(SkBench_AddPathTest::kReverseAdd_AddType, p); }
static SkBenchmark* FactReverseTo(void* p) { return new SkBench_AddPathTest(SkBench_AddPathTest::kReversePathTo_AddType, p); }
static BenchRegistry gRegAdd(FactAdd);
static BenchRegistry gRegAddTrans(FactAddTrans);
static BenchRegistry gRegAddMatrix(FactAddMatrix);
static BenchRegistry gRegPathTo(FactPathTo);
static BenchRegistry gRegReverseAdd(FactReverseAdd);
static BenchRegistry gRegReverseTo(FactReverseTo);
static SkBenchmark* CirclesTest(void* p) { return new CirclesBench(p); }
static BenchRegistry gRegCirclesTest(CirclesTest);