AuroraMiddleware/skia2
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add bench for hairline paths.

Browse Source 
R=bsalomon@google.com

Review URL: https://codereview.chromium.org/19238003

git-svn-id: http://skia.googlecode.com/svn/trunk@10128 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
egdaniel@google.com 2013-07-17 19:30:41 +00:00
parent d658568a82
commit a308883003
3 changed files with 240 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

238
bench/HairlinePathBench.cpp Normal file
View File

@ -0,0 +1,238 @@
/*
* Copyright 2013 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 "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
enum Flags {
kBig_Flag = 1 << 0,
kAA_Flag = 1 << 1
};
#define FLAGS00 Flags(0)
#define FLAGS01 Flags(kBig_Flag)
#define FLAGS10 Flags(kAA_Flag)
#define FLAGS11 Flags(kBig_Flag | kAA_Flag)
static const int points[] = {
10, 10, 15, 5, 20, 20,
30, 5, 25, 20, 15, 12,
21, 21, 30, 30, 12, 4,
32, 28, 20, 18, 12, 10
};
static const int kMaxPathSize = 10;
class HairlinePathBench : public SkBenchmark {
public:
HairlinePathBench(void* param, Flags flags) : INHERITED(param), fFlags(flags) {
fPaint.setStyle(SkPaint::kStroke_Style);
fPaint.setStrokeWidth(SkIntToScalar(0));
}
virtual void appendName(SkString*) = 0;
virtual void makePath(SkPath*) = 0;
protected:
virtual const char* onGetName() SK_OVERRIDE {
fName.printf("path_hairline_%s_%s_",
fFlags & kBig_Flag ? "big" : "small",
fFlags & kAA_Flag ? "AA" : "noAA");
this->appendName(&fName);
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint(fPaint);
this->setupPaint(&paint);
paint.setAntiAlias(fFlags & kAA_Flag ? true : false);
SkPath path;
this->makePath(&path);
if (fFlags & kBig_Flag) {
SkMatrix m;
m.setScale(SkIntToScalar(3), SkIntToScalar(3));
path.transform(m);
}
int count = N;
for (int i = 0; i < count; i++) {
canvas->drawPath(path, paint);
}
}
private:
SkPaint fPaint;
SkString fName;
Flags fFlags;
enum { N = SkBENCHLOOP(200) };
typedef SkBenchmark INHERITED;
};
class LinePathBench : public HairlinePathBench {
public:
LinePathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("line");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRandom rand;
int size = SK_ARRAY_COUNT(points);
int hSize = size / 2;
for (int i = 0; i < kMaxPathSize; ++i) {
int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
int yTrans = 0;
if (i > kMaxPathSize/2 - 1) {
yTrans = 40;
}
int base1 = 2 * rand.nextULessThan(hSize);
int base2 = 2 * rand.nextULessThan(hSize);
int base3 = 2 * rand.nextULessThan(hSize);
path->moveTo(SkIntToScalar(points[base1] + xTrans),
SkIntToScalar(points[base1+1] + yTrans));
path->lineTo(SkIntToScalar(points[base2] + xTrans),
SkIntToScalar(points[base2+1] + yTrans));
path->lineTo(SkIntToScalar(points[base3] + xTrans),
SkIntToScalar(points[base3+1] + yTrans));
}
}
private:
typedef HairlinePathBench INHERITED;
};
class QuadPathBench : public HairlinePathBench {
public:
QuadPathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("quad");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRandom rand;
int size = SK_ARRAY_COUNT(points);
int hSize = size / 2;
for (int i = 0; i < kMaxPathSize; ++i) {
int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
int yTrans = 0;
if (i > kMaxPathSize/2 - 1) {
yTrans = 40;
}
int base1 = 2 * rand.nextULessThan(hSize);
int base2 = 2 * rand.nextULessThan(hSize);
int base3 = 2 * rand.nextULessThan(hSize);
path->moveTo(SkIntToScalar(points[base1] + xTrans),
SkIntToScalar(points[base1+1] + yTrans));
path->quadTo(SkIntToScalar(points[base2] + xTrans),
SkIntToScalar(points[base2+1] + yTrans),
SkIntToScalar(points[base3] + xTrans),
SkIntToScalar(points[base3+1] + yTrans));
}
}
private:
typedef HairlinePathBench INHERITED;
};
class ConicPathBench : public HairlinePathBench {
public:
ConicPathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("conic");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRandom rand;
SkRandom randWeight;
int size = SK_ARRAY_COUNT(points);
int hSize = size / 2;
for (int i = 0; i < kMaxPathSize; ++i) {
int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
int yTrans = 0;
if (i > kMaxPathSize/2 - 1) {
yTrans = 40;
}
int base1 = 2 * rand.nextULessThan(hSize);
int base2 = 2 * rand.nextULessThan(hSize);
int base3 = 2 * rand.nextULessThan(hSize);
float weight = randWeight.nextRangeF(0.0f, 2.0f);
path->moveTo(SkIntToScalar(points[base1] + xTrans),
SkIntToScalar(points[base1+1] + yTrans));
path->conicTo(SkIntToScalar(points[base2] + xTrans),
SkIntToScalar(points[base2+1] + yTrans),
SkIntToScalar(points[base3] + xTrans),
SkIntToScalar(points[base3+1] + yTrans),
weight);
}
}
private:
typedef HairlinePathBench INHERITED;
};
class CubicPathBench : public HairlinePathBench {
public:
CubicPathBench(void* param, Flags flags) : INHERITED(param, flags) {}
virtual void appendName(SkString* name) SK_OVERRIDE {
name->append("cubic");
}
virtual void makePath(SkPath* path) SK_OVERRIDE {
SkRandom rand;
int size = SK_ARRAY_COUNT(points);
int hSize = size / 2;
for (int i = 0; i < kMaxPathSize; ++i) {
int xTrans = 10 + 40 * (i%(kMaxPathSize/2));
int yTrans = 0;
if (i > kMaxPathSize/2 - 1) {
yTrans = 40;
}
int base1 = 2 * rand.nextULessThan(hSize);
int base2 = 2 * rand.nextULessThan(hSize);
int base3 = 2 * rand.nextULessThan(hSize);
int base4 = 2 * rand.nextULessThan(hSize);
path->moveTo(SkIntToScalar(points[base1] + xTrans),
SkIntToScalar(points[base1+1] + yTrans));
path->cubicTo(SkIntToScalar(points[base2] + xTrans),
SkIntToScalar(points[base2+1] + yTrans),
SkIntToScalar(points[base3] + xTrans),
SkIntToScalar(points[base3+1] + yTrans),
SkIntToScalar(points[base4] + xTrans),
SkIntToScalar(points[base4+1] + yTrans));
}
}
private:
typedef HairlinePathBench INHERITED;
};
// FLAG00 - no AA, small
// FLAG01 - no AA, small
// FLAG10 - AA, big
// FLAG11 - AA, big
DEF_BENCH( return new LinePathBench(p, FLAGS00); )
DEF_BENCH( return new LinePathBench(p, FLAGS01); )
DEF_BENCH( return new LinePathBench(p, FLAGS10); )
DEF_BENCH( return new LinePathBench(p, FLAGS11); )
DEF_BENCH( return new QuadPathBench(p, FLAGS00); )
DEF_BENCH( return new QuadPathBench(p, FLAGS01); )
DEF_BENCH( return new QuadPathBench(p, FLAGS10); )
DEF_BENCH( return new QuadPathBench(p, FLAGS11); )
// Don't have default path renderer for conics yet on GPU, so must use AA
// DEF_BENCH( return new ConicPathBench(p, FLAGS00); )
// DEF_BENCH( return new ConicPathBench(p, FLAGS01); )
DEF_BENCH( return new ConicPathBench(p, FLAGS10); )
DEF_BENCH( return new ConicPathBench(p, FLAGS11); )
DEF_BENCH( return new CubicPathBench(p, FLAGS00); )
DEF_BENCH( return new CubicPathBench(p, FLAGS01); )
DEF_BENCH( return new CubicPathBench(p, FLAGS10); )
DEF_BENCH( return new CubicPathBench(p, FLAGS11); )

1
gyp/bench.gypi
View File

@ -31,6 +31,7 @@
'../bench/GrMemoryPoolBench.cpp',
'../bench/ImageDecodeBench.cpp',
'../bench/InterpBench.cpp',
'../bench/HairlinePathBench.cpp',
'../bench/LineBench.cpp',
'../bench/LightingBench.cpp',
'../bench/MagnifierBench.cpp',

2
samplecode/SampleHairCurves.cpp
View File

@ -31,7 +31,7 @@ protected:
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(-1);
paint.setStrokeWidth(0);
canvas->save();
canvas->scale(1000 * SK_Scalar1, 1000 * SK_Scalar1);
SkRandom rand;