mirror of
https://github.com/qelectrotech/qelectrotech-source-mirror.git
synced 2026-10-09 05:24:14 +02:00
saschbe
70 lines
2.8 KiB
C++
70 lines
2.8 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Synthetic raster viewport workload, not a full editor latency benchmark.
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#include <QApplication>
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#include <QGraphicsView>
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#include <QGraphicsRectItem>
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#include <QElapsedTimer>
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#include <QPainter>
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#include <cstdio>
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#include <ctime>
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#ifdef Q_OS_WIN
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#include <windows.h>
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#include <psapi.h>
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#endif
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#include "QetGraphicsItemModeler/qetgraphicshandleritem.h"
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static double cpuMilliseconds() {
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#ifdef Q_OS_WIN
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FILETIME created,exited,kernel,user;
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if(GetProcessTimes(GetCurrentProcess(),&created,&exited,&kernel,&user)) {
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ULARGE_INTEGER k,u; k.LowPart=kernel.dwLowDateTime;k.HighPart=kernel.dwHighDateTime;
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u.LowPart=user.dwLowDateTime;u.HighPart=user.dwHighDateTime;
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return double(k.QuadPart+u.QuadPart)/10000;
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}
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return 0;
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#else
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return double(std::clock())*1000/CLOCKS_PER_SEC;
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#endif
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}
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int main(int argc,char **argv) {
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QApplication app(argc,argv);
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const qreal size=QString::fromLocal8Bit(argv[1]).toDouble();
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const int count=QString::fromLocal8Bit(argv[2]).toInt();
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const QString operation=QString::fromLocal8Bit(argv[3]);
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QGraphicsScene scene; scene.setSceneRect(-2000,-2000,4000,4000);
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QList<QGraphicsRectItem *> objects;
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for(int i=0;i<count/4;++i) {
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auto *object=scene.addRect(0,0,32,24,QPen(Qt::black),QBrush(Qt::lightGray));
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object->setPos((i%32)*36-576,(i/32)*28-224); objects<<object;
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for(auto *handle:QetGraphicsHandlerItem::handlerForPoint({{0,0},{32,0},{32,24},{0,24}},size)) {
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handle->setParentItem(object); handle->setColor(Qt::darkGreen);
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}
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}
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QGraphicsView view(&scene); view.resize(1280,800); view.setSceneRect(scene.sceneRect());
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view.show(); QApplication::processEvents();
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QImage image(1280,800,QImage::Format_ARGB32_Premultiplied);
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auto frame=[&](int i) {
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if(operation=="zoom") {view.resetTransform();view.scale(0.75+0.005*(i%60),0.75+0.005*(i%60));}
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if(operation=="pan") view.centerOn((i%60)*2,0);
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if(operation=="manipulate") for(auto *object:objects) {
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object->setRotation(i%30); object->setRect(0,0,32+(i%8),24); object->moveBy(i%2?1:-1,0);
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}
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image.fill(Qt::white); QPainter painter(&image); view.render(&painter);
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};
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for(int i=0;i<20;++i) frame(i);
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std::puts("size,handles,operation,repeat,ms_per_frame,cpu_ms_per_frame,working_set_bytes");
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for(int repeat=0;repeat<7;++repeat) {
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const auto cpu=cpuMilliseconds(); QElapsedTimer timer; timer.start();
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for(int i=0;i<120;++i) frame(i);
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const double elapsed=timer.nsecsElapsed()/1e6/120;
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const double cpuElapsed=(cpuMilliseconds()-cpu)/120;
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unsigned long long memory=0;
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#ifdef Q_OS_WIN
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PROCESS_MEMORY_COUNTERS counters{}; counters.cb=sizeof(counters);
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if(GetProcessMemoryInfo(GetCurrentProcess(),&counters,sizeof(counters))) memory=counters.WorkingSetSize;
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#endif
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std::printf("%.2f,%d,%s,%d,%.6f,%.6f,%llu\n",size,count,qPrintable(operation),repeat,elapsed,cpuElapsed,memory);
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}
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}
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