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/*
* 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 "BenchTimer.h"
#include "LazyDecodeBitmap.h"
#include "PictureBenchmark.h"
#include "PictureRenderer.h"
#include "SkBenchmark.h"
#include "SkForceLinking.h"
#include "SkGraphics.h"
#include "SkStream.h"
#include "SkString.h"
#include "SkTArray.h"
#include "SkCommandLineFlags.h"
typedef sk_tools::PictureRenderer::BBoxHierarchyType BBoxType;
static const int kBBoxTypeCount = sk_tools::PictureRenderer::kLast_BBoxHierarchyType + 1;
DEFINE_string2(skps, r, "", "The list of SKPs to benchmark.");
DEFINE_string(bb_types, "", "The set of bbox types to test. If empty, all are tested. "
"Should be one or more of none, quadtree, rtree, tilegrid.");
DEFINE_int32(record, 100, "Number of times to record each SKP.");
DEFINE_int32(playback, 1, "Number of times to playback each SKP.");
DEFINE_int32(tilesize, 256, "The size of a tile.");
struct Measurement {
SkString fName;
double fRecordAverage[kBBoxTypeCount];
double fPlaybackAverage[kBBoxTypeCount];
};
const char* kBBoxHierarchyTypeNames[kBBoxTypeCount] = {
"none", // kNone_BBoxHierarchyType
"quadtree", // kQuadTree_BBoxHierarchyType
"rtree", // kRTree_BBoxHierarchyType
"tilegrid", // kTileGrid_BBoxHierarchyType
};
static SkPicture* pic_from_path(const char path[]) {
SkFILEStream stream(path);
if (!stream.isValid()) {
SkDebugf("-- Can't open '%s'\n", path);
return NULL;
}
return SkPicture::CreateFromStream(&stream, &sk_tools::LazyDecodeBitmap);
}
/**
* This function is the sink to which all work ends up going.
* @param renderer The renderer to use to perform the work.
* To measure rendering, use a TiledPictureRenderer.
* To measure recording, use a RecordPictureRenderer.
* @param bBoxType The bounding box hierarchy type to use.
* @param pic The picture to draw to the renderer.
* @param numRepeats The number of times to repeat the draw.
* @param timer The timer used to benchmark the work.
*/
static void do_benchmark_work(sk_tools::PictureRenderer* renderer,
BBoxType bBoxType,
SkPicture* pic,
const int numRepeats,
BenchTimer* timer) {
renderer->setBBoxHierarchyType(bBoxType);
renderer->setGridSize(FLAGS_tilesize, FLAGS_tilesize);
renderer->init(pic);
SkDebugf("%s %d times...\n", renderer->getConfigName().c_str(), numRepeats);
for (int i = 0; i < numRepeats; ++i) {
renderer->setup();
// Render once to fill caches
renderer->render(NULL, NULL);
// Render again to measure
timer->start();
renderer->render(NULL);
timer->end();
}
}
int tool_main(int argc, char** argv);
int tool_main(int argc, char** argv) {
SkCommandLineFlags::Parse(argc, argv);
SkAutoGraphics ag;
bool includeBBoxType[kBBoxTypeCount];
for (int bBoxType = 0; bBoxType < kBBoxTypeCount; ++bBoxType) {
includeBBoxType[bBoxType] = (FLAGS_bb_types.count() == 0) ||
FLAGS_bb_types.contains(kBBoxHierarchyTypeNames[bBoxType]);
}
// go through all the pictures
SkTArray<Measurement> measurements;
for (int index = 0; index < FLAGS_skps.count(); ++index) {
const char* path = FLAGS_skps[index];
SkPicture* picture = pic_from_path(path);
if (NULL == picture) {
SkDebugf("Couldn't create picture. Ignoring path: %s\n", path);
continue;
}
SkDebugf("Benchmarking path: %s\n", path);
Measurement& measurement = measurements.push_back();
measurement.fName = path;
for (int bBoxType = 0; bBoxType < kBBoxTypeCount; ++bBoxType) {
if (!includeBBoxType[bBoxType]) { continue; }
if (FLAGS_playback > 0) {
sk_tools::TiledPictureRenderer playbackRenderer;
BenchTimer playbackTimer;
do_benchmark_work(&playbackRenderer, (BBoxType)bBoxType,
picture, FLAGS_playback, &playbackTimer);
measurement.fPlaybackAverage[bBoxType] = playbackTimer.fCpu;
}
if (FLAGS_record > 0) {
sk_tools::RecordPictureRenderer recordRenderer;
BenchTimer recordTimer;
do_benchmark_work(&recordRenderer, (BBoxType)bBoxType,
picture, FLAGS_record, &recordTimer);
measurement.fRecordAverage[bBoxType] = recordTimer.fCpu;
}
}
}
Measurement globalMeasurement;
for (int bBoxType = 0; bBoxType < kBBoxTypeCount; ++bBoxType) {
if (!includeBBoxType[bBoxType]) { continue; }
globalMeasurement.fPlaybackAverage[bBoxType] = 0;
globalMeasurement.fRecordAverage[bBoxType] = 0;
for (int index = 0; index < measurements.count(); ++index) {
const Measurement& measurement = measurements[index];
globalMeasurement.fPlaybackAverage[bBoxType] +=
measurement.fPlaybackAverage[bBoxType];
globalMeasurement.fRecordAverage[bBoxType] +=
measurement.fRecordAverage[bBoxType];
}
globalMeasurement.fPlaybackAverage[bBoxType] /= measurements.count();
globalMeasurement.fRecordAverage[bBoxType] /= measurements.count();
}
// Output gnuplot readable histogram data..
const char* pbTitle = "bbh_shootout_playback.dat";
const char* recTitle = "bbh_shootout_record.dat";
SkFILEWStream playbackOut(pbTitle);
SkFILEWStream recordOut(recTitle);
recordOut.writeText("# ");
playbackOut.writeText("# ");
SkDebugf("---\n");
for (int bBoxType = 0; bBoxType < kBBoxTypeCount; ++bBoxType) {
if (!includeBBoxType[bBoxType]) { continue; }
SkString out;
out.printf("%s ", kBBoxHierarchyTypeNames[bBoxType]);
recordOut.writeText(out.c_str());
playbackOut.writeText(out.c_str());
if (FLAGS_record > 0) {
SkDebugf("Average %s recording time: %.3fms\n",
kBBoxHierarchyTypeNames[bBoxType],
globalMeasurement.fRecordAverage[bBoxType]);
}
if (FLAGS_playback > 0) {
SkDebugf("Average %s playback time: %.3fms\n",
kBBoxHierarchyTypeNames[bBoxType],
globalMeasurement.fPlaybackAverage[bBoxType]);
}
}
recordOut.writeText("\n");
playbackOut.writeText("\n");
// Write to file, and save recording averages.
for (int index = 0; index < measurements.count(); ++index) {
const Measurement& measurement = measurements[index];
SkString pbLine;
SkString recLine;
pbLine.printf("%d", index);
recLine.printf("%d", index);
for (int bBoxType = 0; bBoxType < kBBoxTypeCount; ++bBoxType) {
if (!includeBBoxType[bBoxType]) { continue; }
pbLine.appendf(" %f", measurement.fPlaybackAverage[bBoxType]);
recLine.appendf(" %f", measurement.fRecordAverage[bBoxType]);
}
pbLine.appendf("\n");
recLine.appendf("\n");
playbackOut.writeText(pbLine.c_str());
recordOut.writeText(recLine.c_str());
}
SkDebugf("\nWrote data to gnuplot-readable files: %s %s\n", pbTitle, recTitle);
return 0;
}
#if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
int main(int argc, char** argv) {
return tool_main(argc, argv);
}
#endif
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