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skia2/bench/ShapesBench.cpp
Hal Canary 8a00144035 test,tools: whitespace changes for clang-format 
Change-Id: I67529f6c0ac26da603f60af22c620f8f603d8a19
Reviewed-on: https://skia-review.googlesource.com/155564
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
2018-09-19 17:50:51 +00:00

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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.
*/
#include "Benchmark.h"
#include "SkCanvas.h"
#include "SkCommandLineFlags.h"
#include "SkPaint.h"
#include "SkRandom.h"
#include "SkRRect.h"
#include "SkString.h"
#include <stdio.h>
#include <stdlib.h>
#include <functional>
#define ENABLE_COMMAND_LINE_SHAPES_BENCH 0
#if ENABLE_COMMAND_LINE_SHAPES_BENCH
DEFINE_string(shapesType, "mixed", "Type of shape to use in ShapesBench. Must be one of: "
"rect, oval, rrect, mixed.");
DEFINE_string(innerShapesType, "none", "Type of inner shape to use in ShapesBench. Must be one of: "
"none, rect, oval, rrect, mixed.");
DEFINE_int32(numShapes, 10000, "Number of shapes to draw in ShapesBench.");
DEFINE_string(shapesSize, "32x32", "Size of shapes to draw in ShapesBench.");
DEFINE_bool(shapesPersp, false, "Use slight perspective tilt in ShapesBench?");
#endif
/*
* This class is used for several benchmarks that draw different primitive Skia shapes at various
* sizes. It is used to test both CPU-bound and GPU-bound rendering situations. It draws large
* amounts of shapes internally (rather than relying on nanobench selecting lots of loops) in order
* to take advantage of instanced rendering approaches.
*/
class ShapesBench : public Benchmark {
public:
enum ShapesType {
kNone_ShapesType,
kRect_ShapesType,
kOval_ShapesType,
kRRect_ShapesType,
kMixed_ShapesType
};
ShapesBench(ShapesType shapesType, ShapesType innerShapesType,
int numShapes, const SkISize& shapesSize, bool perspective)
: fShapesType(shapesType)
, fInnerShapesType(innerShapesType)
, fNumShapes(numShapes)
, fShapesSize(shapesSize)
, fPerspective(perspective) {
clampShapeSize();
}
#if ENABLE_COMMAND_LINE_SHAPES_BENCH
ShapesBench() {
if (!strcmp(FLAGS_shapesType[0], "rect")) {
fShapesType = kRect_ShapesType;
} else if (!strcmp(FLAGS_shapesType[0], "oval")) {
fShapesType = kOval_ShapesType;
} else if (!strcmp(FLAGS_shapesType[0], "rrect")) {
fShapesType = kRRect_ShapesType;
} else if (!strcmp(FLAGS_shapesType[0], "mixed")) {
fShapesType = kMixed_ShapesType;
} else {
SkDebugf("Invalid shapesType \"%s\". Must be one of: rect, oval, rrect, mixed.",
FLAGS_shapesType[0]);
exit(-1);
}
if (!strcmp(FLAGS_innerShapesType[0], "none")) {
fInnerShapesType = kNone_ShapesType;
} else if (!strcmp(FLAGS_innerShapesType[0], "rect")) {
fInnerShapesType = kRect_ShapesType;
} else if (!strcmp(FLAGS_innerShapesType[0], "oval")) {
fInnerShapesType = kOval_ShapesType;
} else if (!strcmp(FLAGS_innerShapesType[0], "rrect")) {
fInnerShapesType = kRRect_ShapesType;
} else if (!strcmp(FLAGS_innerShapesType[0], "mixed")) {
fInnerShapesType = kMixed_ShapesType;
} else {
SkDebugf("Invalid innerShapesType \"%s\". Must be one of: "
"none, rect, oval, rrect, mixed.", FLAGS_innerShapesType[0]);
exit(-1);
}
if (2 != sscanf(FLAGS_shapesSize[0], "%ix%i", &fShapesSize.fWidth, &fShapesSize.fHeight)) {
SkDebugf("Could not parse shapesSize from \"%s\". Expected \"%%ix%%i\"\n",
FLAGS_shapesSize[0]);
exit(-1);
}
fNumShapes = FLAGS_numShapes;
fPerspective = FLAGS_shapesPersp;
clampShapeSize();
}
#endif
private:
void clampShapeSize() {
float maxDiagonal = static_cast<float>(SkTMin(kBenchWidth, kBenchHeight));
float diagonal = sqrtf(static_cast<float>(fShapesSize.width() * fShapesSize.width()) +
static_cast<float>(fShapesSize.height() * fShapesSize.height()));
if (diagonal > maxDiagonal) {
fShapesSize.fWidth = static_cast<int>(fShapesSize.width() * maxDiagonal / diagonal);
fShapesSize.fHeight = static_cast<int>(fShapesSize.height() * maxDiagonal / diagonal);
}
}
const char* onGetName() override {
const char* shapeTypeNames[] = {
"none", "rect", "oval", "rrect", "mixed"
};
fName.printf("shapes_%s", shapeTypeNames[fShapesType]);
if (kNone_ShapesType != fInnerShapesType) {
fName.appendf("_inner_%s", shapeTypeNames[fInnerShapesType]);
}
fName.appendf("_%i_%ix%i", fNumShapes, fShapesSize.width(), fShapesSize.height());
if (fPerspective) {
fName.append("_persp");
}
return fName.c_str();
}
SkIPoint onGetSize() override { return SkIPoint::Make(kBenchWidth, kBenchHeight); }
void onDelayedSetup() override {
SkScalar w = SkIntToScalar(fShapesSize.width());
SkScalar h = SkIntToScalar(fShapesSize.height());
fRect.setRect(SkRect::MakeXYWH(-w / 2, -h / 2, w, h));
fOval.setOval(fRect.rect());
fRRect.setNinePatch(fRect.rect(), w / 8, h / 13, w / 11, h / 7);
if (kNone_ShapesType != fInnerShapesType) {
fRect.inset(w / 7, h / 11, &fInnerRect);
fInnerRect.offset(w / 28, h / 44);
fInnerOval.setOval(fInnerRect.rect());
fInnerRRect.setRectXY(fInnerRect.rect(), w / 13, w / 7);
}
SkRandom rand;
fShapes.push_back_n(fNumShapes);
for (int i = 0; i < fNumShapes; i++) {
float pad = sqrtf(static_cast<float>(fShapesSize.width() * fShapesSize.width()) +
static_cast<float>(fShapesSize.height() * fShapesSize.height()));
fShapes[i].fMatrix.setTranslate(0.5f * pad + rand.nextF() * (kBenchWidth - pad),
0.5f * pad + rand.nextF() * (kBenchHeight - pad));
fShapes[i].fMatrix.preRotate(rand.nextF() * 360.0f);
if (fPerspective) {
fShapes[i].fMatrix.setPerspX(0.00015f);
fShapes[i].fMatrix.setPerspY(-0.00015f);
}
fShapes[i].fColor = rand.nextU() | 0xff808080;
}
for (int i = 0; i < fNumShapes; i++) {
// Do this in a separate loop so mixed shapes get the same random numbers during
// placement as non-mixed do.
int shapeType = fShapesType;
if (kMixed_ShapesType == shapeType) {
shapeType = rand.nextRangeU(kRect_ShapesType, kRRect_ShapesType);
}
int innerShapeType = fInnerShapesType;
if (kMixed_ShapesType == innerShapeType) {
innerShapeType = rand.nextRangeU(kRect_ShapesType, kRRect_ShapesType);
}
if (kNone_ShapesType == innerShapeType) {
switch (shapeType) {
using namespace std;
using namespace std::placeholders;
case kRect_ShapesType:
fShapes[i].fDraw = bind(&SkCanvas::drawRect, _1, cref(fRect.rect()), _2);
break;
case kOval_ShapesType:
fShapes[i].fDraw = bind(&SkCanvas::drawOval, _1, cref(fOval.rect()), _2);
break;
case kRRect_ShapesType:
fShapes[i].fDraw = bind(&SkCanvas::drawRRect, _1, cref(fRRect), _2);
break;
}
} else {
const SkRRect* outer = nullptr;
switch (shapeType) {
case kRect_ShapesType: outer = &fRect; break;
case kOval_ShapesType: outer = &fOval; break;
case kRRect_ShapesType: outer = &fRRect; break;
}
const SkRRect* inner = nullptr;
switch (innerShapeType) {
case kRect_ShapesType: inner = &fInnerRect; break;
case kOval_ShapesType: inner = &fInnerOval; break;
case kRRect_ShapesType: inner = &fInnerRRect; break;
}
fShapes[i].fDraw = std::bind(&SkCanvas::drawDRRect, std::placeholders::_1,
std::cref(*outer), std::cref(*inner),
std::placeholders::_2);
}
}
}
void onDraw(int loops, SkCanvas* canvas) override {
SkPaint paint;
this->setupPaint(&paint);
for (int j = 0; j < loops; j++) {
for (int i = 0; i < fNumShapes; i++) {
canvas->save();
canvas->setMatrix(fShapes[i].fMatrix);
paint.setColor(fShapes[i].fColor);
fShapes[i].fDraw(canvas, paint);
canvas->restore();
}
}
}
enum {
kBenchWidth = 1000,
kBenchHeight = 1000
};
struct ShapeInfo {
SkMatrix fMatrix;
SkColor fColor;
std::function<void(SkCanvas*, const SkPaint&)> fDraw;
};
ShapesType fShapesType;
ShapesType fInnerShapesType;
int fNumShapes;
SkISize fShapesSize;
bool fPerspective;
SkString fName;
SkRRect fRect;
SkRRect fOval;
SkRRect fRRect;
SkRRect fInnerRect;
SkRRect fInnerOval;
SkRRect fInnerRRect;
SkTArray<ShapeInfo> fShapes;
typedef Benchmark INHERITED;
};
#if ENABLE_COMMAND_LINE_SHAPES_BENCH
DEF_BENCH(return new ShapesBench;)
#else
// Small primitives (CPU bound, in theory):
DEF_BENCH(return new ShapesBench(ShapesBench::kRect_ShapesType, ShapesBench::kNone_ShapesType,
10000, SkISize::Make(32, 32), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kOval_ShapesType, ShapesBench::kNone_ShapesType,
10000, SkISize::Make(32, 32), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kOval_ShapesType, ShapesBench::kNone_ShapesType,
10000, SkISize::Make(32, 33), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kRRect_ShapesType, ShapesBench::kNone_ShapesType,
10000, SkISize::Make(32, 32), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kMixed_ShapesType, ShapesBench::kNone_ShapesType,
10000, SkISize::Make(32, 33), false);)
// Large primitives (GPU bound, in theory):
DEF_BENCH(return new ShapesBench(ShapesBench::kRect_ShapesType, ShapesBench::kNone_ShapesType,
100, SkISize::Make(500, 500), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kOval_ShapesType, ShapesBench::kNone_ShapesType,
100, SkISize::Make(500, 500), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kOval_ShapesType, ShapesBench::kNone_ShapesType,
100, SkISize::Make(500, 501), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kRRect_ShapesType, ShapesBench::kNone_ShapesType,
100, SkISize::Make(500, 500), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kMixed_ShapesType, ShapesBench::kNone_ShapesType,
100, SkISize::Make(500, 501), false);)
// Donuts (small and large). These fall-back to path rendering due to non-orthogonal rotation
// making them quite slow. Thus, reduce the counts substantially:
DEF_BENCH(return new ShapesBench(ShapesBench::kRect_ShapesType, ShapesBench::kRect_ShapesType,
500, SkISize::Make(32, 32), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kRRect_ShapesType, ShapesBench::kRRect_ShapesType,
500, SkISize::Make(32, 32), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kRect_ShapesType, ShapesBench::kRect_ShapesType,
50, SkISize::Make(500, 500), false);)
DEF_BENCH(return new ShapesBench(ShapesBench::kRRect_ShapesType, ShapesBench::kRRect_ShapesType,
50, SkISize::Make(500, 500), false);)
#endif
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