blob: 9be488b243c7ff93c300ae4309e17cebd976f78c [file] [log] [blame]
/*
* 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 <memory>
#include "bench/Benchmark.h"
#include "include/core/SkSize.h"
#include "include/private/base/SkTDArray.h"
#include "src/base/SkRandom.h"
#include "src/gpu/RectanizerPow2.h"
#include "src/gpu/RectanizerSkyline.h"
using namespace skgpu;
/**
* This bench exercises the GPU backend's Rectanizer 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:
inline static constexpr int kWidth = 1024;
inline static constexpr 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) override {
return Backend::kNonRendering == backend;
}
const char* onGetName() override {
return fName.c_str();
}
void onDelayedSetup() override {
SkASSERT(nullptr == fRectanizer.get());
if (kPow2_RectanizerType == fRectanizerType) {
fRectanizer = std::make_unique<RectanizerPow2>(kWidth, kHeight);
} else {
SkASSERT(kSkyline_RectanizerType == fRectanizerType);
fRectanizer = std::make_unique<RectanizerSkyline>(kWidth, kHeight);
}
}
void onDraw(int loops, SkCanvas* canvas) 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;
std::unique_ptr<Rectanizer> fRectanizer;
using INHERITED = Benchmark;
};
//////////////////////////////////////////////////////////////////////////////
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);)