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/*
* Copyright 2014 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 "SkRandom.h"
#include "SkSize.h"
#include "SkTDArray.h"
#if SK_SUPPORT_GPU
#include "GrRectanizer_pow2.h"
#include "GrRectanizer_skyline.h"
/**
* This bench exercises Ganesh' GrRectanizer classes. It exercises the following
* rectanizers:
* Pow2 Rectanizer
* Skyline Rectanizer
* in the following cases:
* random rects (e.g., pull-save-layers forward use case)
* random power of two rects
* small constant sized power of 2 rects (e.g., glyph cache use case)
*/
class RectanizerBench : public Benchmark {
public:
static const int kWidth = 1024;
static const int kHeight = 1024;
enum RectanizerType {
kPow2_RectanizerType,
kSkyline_RectanizerType,
};
enum RectType {
kRand_RectType,
kRandPow2_RectType,
kSmallPow2_RectType
};
RectanizerBench(RectanizerType rectanizerType, RectType rectType)
: fName("rectanizer_")
, fRectanizerType(rectanizerType)
, fRectType(rectType) {
if (kPow2_RectanizerType == fRectanizerType) {
fName.append("pow2_");
} else {
SkASSERT(kSkyline_RectanizerType == fRectanizerType);
fName.append("skyline_");
}
if (kRand_RectType == fRectType) {
fName.append("rand");
} else if (kRandPow2_RectType == fRectType) {
fName.append("rand2");
} else {
SkASSERT(kSmallPow2_RectType == fRectType);
fName.append("sm2");
}
}
protected:
bool isSuitableFor(Backend backend) SK_OVERRIDE {
return kNonRendering_Backend == backend;
}
const char* onGetName() SK_OVERRIDE {
return fName.c_str();
}
void onPreDraw() SK_OVERRIDE {
SkASSERT(NULL == fRectanizer.get());
if (kPow2_RectanizerType == fRectanizerType) {
fRectanizer.reset(SkNEW_ARGS(GrRectanizerPow2, (kWidth, kHeight)));
} else {
SkASSERT(kSkyline_RectanizerType == fRectanizerType);
fRectanizer.reset(SkNEW_ARGS(GrRectanizerSkyline, (kWidth, kHeight)));
}
}
void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
SkRandom rand;
SkIPoint16 loc;
SkISize size;
for (int i = 0; i < loops; ++i) {
if (kRand_RectType == fRectType) {
size = SkISize::Make(rand.nextRangeU(1, kWidth / 2),
rand.nextRangeU(1, kHeight / 2));
} else if (kRandPow2_RectType == fRectType) {
size = SkISize::Make(GrNextPow2(rand.nextRangeU(1, kWidth / 2)),
GrNextPow2(rand.nextRangeU(1, kHeight / 2)));
} else {
SkASSERT(kSmallPow2_RectType == fRectType);
size = SkISize::Make(128, 128);
}
if (!fRectanizer->addRect(size.fWidth, size.fHeight, &loc)) {
// insert failed so clear out the rectanizer and give the
// current rect another try
fRectanizer->reset();
i--;
}
}
fRectanizer->reset();
}
private:
SkString fName;
RectanizerType fRectanizerType;
RectType fRectType;
SkAutoTDelete<GrRectanizer> fRectanizer;
typedef Benchmark INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType,
RectanizerBench::kRand_RectType);)
DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType,
RectanizerBench::kRandPow2_RectType);)
DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType,
RectanizerBench::kSmallPow2_RectType);)
DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType,
RectanizerBench::kRand_RectType);)
DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType,
RectanizerBench::kRandPow2_RectType);)
DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType,
RectanizerBench::kSmallPow2_RectType);)
#endif
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