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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBenchLogger.h"
#include "BenchTimer.h"
#include "PictureBenchmark.h"
#include "SkCanvas.h"
#include "SkPicture.h"
#include "SkString.h"
#include "picture_utils.h"
#include "TimerData.h"
namespace sk_tools {
PictureBenchmark::PictureBenchmark()
: fRepeats(1)
, fLogger(NULL)
, fRenderer(NULL)
, fLogPerIter(false)
, fPrintMin(false)
, fShowWallTime(false)
, fShowTruncatedWallTime(false)
, fShowCpuTime(true)
, fShowTruncatedCpuTime(false)
, fShowGpuTime(false)
, fTimeIndividualTiles(false)
{}
PictureBenchmark::~PictureBenchmark() {
SkSafeUnref(fRenderer);
}
BenchTimer* PictureBenchmark::setupTimer(bool useGLTimer) {
#if SK_SUPPORT_GPU
if (useGLTimer && fRenderer != NULL && fRenderer->isUsingGpuDevice()) {
return SkNEW_ARGS(BenchTimer, (fRenderer->getGLContext()));
}
#endif
return SkNEW_ARGS(BenchTimer, (NULL));
}
void PictureBenchmark::logProgress(const char msg[]) {
if (fLogger != NULL) {
fLogger->logProgress(msg);
}
}
PictureRenderer* PictureBenchmark::setRenderer(sk_tools::PictureRenderer* renderer) {
SkRefCnt_SafeAssign(fRenderer, renderer);
return renderer;
}
void PictureBenchmark::run(SkPicture* pict) {
SkASSERT(pict);
if (NULL == pict) {
return;
}
SkASSERT(fRenderer != NULL);
if (NULL == fRenderer) {
return;
}
fRenderer->init(pict);
// We throw this away to remove first time effects (such as paging in this program)
fRenderer->setup();
fRenderer->render(NULL);
fRenderer->resetState(true);
bool usingGpu = false;
#if SK_SUPPORT_GPU
usingGpu = fRenderer->isUsingGpuDevice();
#endif
if (fTimeIndividualTiles) {
TiledPictureRenderer* tiledRenderer = fRenderer->getTiledRenderer();
SkASSERT(tiledRenderer && tiledRenderer->supportsTimingIndividualTiles());
if (NULL == tiledRenderer || !tiledRenderer->supportsTimingIndividualTiles()) {
return;
}
int xTiles, yTiles;
if (!tiledRenderer->tileDimensions(xTiles, yTiles)) {
return;
}
// Insert a newline so that each tile is reported on its own line (separate from the line
// that describes the skp being run).
this->logProgress("\n");
int x, y;
while (tiledRenderer->nextTile(x, y)) {
// There are two timers, which will behave slightly differently:
// 1) longRunningTimer, along with perTileTimerData, will time how long it takes to draw
// one tile fRepeats times, and take the average. As such, it will not respect thea
// logPerIter or printMin options, since it does not know the time per iteration. It
// will also be unable to call flush() for each tile.
// The goal of this timer is to make up for a system timer that is not precise enough to
// measure the small amount of time it takes to draw one tile once.
//
// 2) perTileTimer, along with perTileTimerData, will record each run separately, and
// then take the average. As such, it supports logPerIter and printMin options.
//
// Although "legal", having two gpu timers running at the same time
// seems to cause problems (i.e., INVALID_OPERATIONs) on several
// platforms. To work around this, we disable the gpu timer on the
// long running timer.
SkAutoTDelete<BenchTimer> longRunningTimer(this->setupTimer());
TimerData longRunningTimerData(tiledRenderer->getPerIterTimeFormat(),
tiledRenderer->getNormalTimeFormat());
SkAutoTDelete<BenchTimer> perTileTimer(this->setupTimer(false));
TimerData perTileTimerData(tiledRenderer->getPerIterTimeFormat(),
tiledRenderer->getNormalTimeFormat());
longRunningTimer->start();
for (int i = 0; i < fRepeats; ++i) {
perTileTimer->start();
tiledRenderer->drawCurrentTile();
perTileTimer->truncatedEnd();
tiledRenderer->resetState(false);
perTileTimer->end();
perTileTimerData.appendTimes(perTileTimer.get(), fRepeats - 1 == i);
}
longRunningTimer->truncatedEnd();
tiledRenderer->resetState(true);
longRunningTimer->end();
longRunningTimerData.appendTimes(longRunningTimer.get(), true);
SkString configName = tiledRenderer->getConfigName();
configName.appendf(": tile [%i,%i] out of [%i,%i]", x, y, xTiles, yTiles);
SkString result = perTileTimerData.getResult(fLogPerIter, fPrintMin, fRepeats,
configName.c_str(), fShowWallTime,
fShowTruncatedWallTime, fShowCpuTime,
fShowTruncatedCpuTime,
usingGpu && fShowGpuTime);
result.append("\n");
// TODO(borenet): Turn off per-iteration tile time reporting for now. Avoiding logging the time
// for every iteration for each tile cuts down on data file size by a significant amount. Re-enable
// this once we're loading the bench data directly into a data store and are no longer generating
// SVG graphs.
#if 0
this->logProgress(result.c_str());
#endif
configName.append(" <averaged>");
SkString longRunningResult = longRunningTimerData.getResult(false, false, fRepeats,
configName.c_str(), fShowWallTime, fShowTruncatedWallTime,
fShowCpuTime, fShowTruncatedCpuTime, usingGpu && fShowGpuTime);
longRunningResult.append("\n");
this->logProgress(longRunningResult.c_str());
}
} else {
SkAutoTDelete<BenchTimer> timer(this->setupTimer());
TimerData timerData(fRenderer->getPerIterTimeFormat(), fRenderer->getNormalTimeFormat());
for (int i = 0; i < fRepeats; ++i) {
fRenderer->setup();
timer->start();
fRenderer->render(NULL);
timer->truncatedEnd();
// Finishes gl context
fRenderer->resetState(true);
timer->end();
timerData.appendTimes(timer.get(), fRepeats - 1 == i);
}
SkString configName = fRenderer->getConfigName();
SkString result = timerData.getResult(fLogPerIter, fPrintMin, fRepeats,
configName.c_str(), fShowWallTime,
fShowTruncatedWallTime, fShowCpuTime,
fShowTruncatedCpuTime, usingGpu && fShowGpuTime);
result.append("\n");
this->logProgress(result.c_str());
}
fRenderer->end();
}
}
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