f168b86d7f
This idea came while commenting on https://codereview.chromium.org/343583005/ Since SkBenchmark, SkBenchLogger and SkGMBench are not part of the Skia library, they should not have the Sk prefix. BUG=None TEST=make all R=mtklein@google.com Author: tfarina@chromium.org Review URL: https://codereview.chromium.org/347823004
139 lines
4.5 KiB
C++
139 lines
4.5 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Benchmark.h"
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#include "SkRandom.h"
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#include "SkSize.h"
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#include "SkTDArray.h"
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#if SK_SUPPORT_GPU
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#include "GrRectanizer_pow2.h"
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#include "GrRectanizer_skyline.h"
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/**
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* This bench exercises Ganesh' GrRectanizer classes. It exercises the following
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* rectanizers:
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* Pow2 Rectanizer
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* Skyline Rectanizer
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* in the following cases:
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* random rects (e.g., pull-save-layers forward use case)
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* random power of two rects
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* small constant sized power of 2 rects (e.g., glyph cache use case)
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*/
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class RectanizerBench : public Benchmark {
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public:
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static const int kWidth = 1024;
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static const int kHeight = 1024;
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enum RectanizerType {
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kPow2_RectanizerType,
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kSkyline_RectanizerType,
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};
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enum RectType {
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kRand_RectType,
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kRandPow2_RectType,
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kSmallPow2_RectType
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};
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RectanizerBench(RectanizerType rectanizerType, RectType rectType)
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: fName("rectanizer_")
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, fRectanizerType(rectanizerType)
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, fRectType(rectType) {
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if (kPow2_RectanizerType == fRectanizerType) {
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fName.append("pow2_");
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} else {
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SkASSERT(kSkyline_RectanizerType == fRectanizerType);
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fName.append("skyline_");
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}
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if (kRand_RectType == fRectType) {
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fName.append("rand");
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} else if (kRandPow2_RectType == fRectType) {
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fName.append("rand2");
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} else {
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SkASSERT(kSmallPow2_RectType == fRectType);
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fName.append("sm2");
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}
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}
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protected:
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virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
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return kNonRendering_Backend == backend;
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}
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virtual const char* onGetName() SK_OVERRIDE {
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return fName.c_str();
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}
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virtual void onPreDraw() SK_OVERRIDE {
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SkASSERT(NULL == fRectanizer.get());
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if (kPow2_RectanizerType == fRectanizerType) {
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fRectanizer.reset(SkNEW_ARGS(GrRectanizerPow2, (kWidth, kHeight)));
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} else {
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SkASSERT(kSkyline_RectanizerType == fRectanizerType);
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fRectanizer.reset(SkNEW_ARGS(GrRectanizerSkyline, (kWidth, kHeight)));
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}
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}
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virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
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SkRandom rand;
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SkIPoint16 loc;
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SkISize size;
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for (int i = 0; i < loops; ++i) {
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if (kRand_RectType == fRectType) {
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size = SkISize::Make(rand.nextRangeU(1, kWidth / 2),
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rand.nextRangeU(1, kHeight / 2));
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} else if (kRandPow2_RectType == fRectType) {
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size = SkISize::Make(GrNextPow2(rand.nextRangeU(1, kWidth / 2)),
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GrNextPow2(rand.nextRangeU(1, kHeight / 2)));
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} else {
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SkASSERT(kSmallPow2_RectType == fRectType);
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size = SkISize::Make(128, 128);
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}
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if (!fRectanizer->addRect(size.fWidth, size.fHeight, &loc)) {
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// insert failed so clear out the rectanizer and give the
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// current rect another try
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fRectanizer->reset();
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i--;
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}
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}
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fRectanizer->reset();
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}
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private:
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SkString fName;
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RectanizerType fRectanizerType;
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RectType fRectType;
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SkAutoTDelete<GrRectanizer> fRectanizer;
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typedef Benchmark INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType,
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RectanizerBench::kRand_RectType);)
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DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType,
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RectanizerBench::kRandPow2_RectType);)
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DEF_BENCH(return new RectanizerBench(RectanizerBench::kPow2_RectanizerType,
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RectanizerBench::kSmallPow2_RectType);)
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DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType,
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RectanizerBench::kRand_RectType);)
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DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType,
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RectanizerBench::kRandPow2_RectType);)
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DEF_BENCH(return new RectanizerBench(RectanizerBench::kSkyline_RectanizerType,
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RectanizerBench::kSmallPow2_RectType);)
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#endif
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