雷电芽衣andClaude
c864304695
A layered image editor for Linux and Omarchy, ported from Compositor (github.com/robbietilton/Compositor), whose Swift source is its specification. It reads and writes Compositor's .comp projects. Packages for Ubuntu, Fedora and Arch come from the release workflow; scripts/install/ holds one install script per distribution family, and flake.nix serves NixOS. Co-Authored-By: Claude <noreply@anthropic.com>
87 lines
4.1 KiB
C++
87 lines
4.1 KiB
C++
#include "CanvasFixtures.h"
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#include "IO/ImageExporter.h"
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#include <QElapsedTimer>
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#include <algorithm>
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// Swift's 4K brush benchmark: run alone, with BRUSH_BENCHMARK=1.
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class BrushPerformanceTests : public QObject {
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Q_OBJECT
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private slots:
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void fourKInteractiveStroke();
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};
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void BrushPerformanceTests::fourKInteractiveStroke()
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{
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if (qEnvironmentVariable("BRUSH_BENCHMARK") != QStringLiteral("1"))
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QSKIP("BRUSH_BENCHMARK=1 runs the benchmark");
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for (const double diameter : {40.0, 800.0}) {
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for (const bool opaque : {false, true}) {
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Shown shown(QSize(4000, 4000), QSize(1000, 1000));
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EditorSession &session = shown.session;
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if (opaque) {
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QImage black = BrushRaster::context(4000, 4000, false);
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black.fill(Qt::black);
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session.insert(ImportedImage(black, black, "Opaque 4K"));
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} else {
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session.addBlankLayer();
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}
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session.selectTool(NavigationTool::brush);
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session.setBrushSettings(BrushSettings{.diameter = diameter, .hardness = 0, .red = 1, .green = 1, .blue = 1});
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shown.settle();
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session.fit();
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shown.canvas->synchronizeDisplay();
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shown.canvas->repaint();
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// Each update: the model, then the dirty region painted.
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const auto display = [&] {
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shown.canvas->synchronizeDisplay();
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QCoreApplication::sendPostedEvents(nullptr, QEvent::UpdateRequest);
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};
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std::vector<double> frames, models;
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for (int pass = 0; pass < 2; ++pass) {
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QElapsedTimer stroke;
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stroke.start();
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session.beginBrush(QPointF(700, 3200));
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for (int i = 1; i <= 120; ++i) {
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QElapsedTimer frame;
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frame.start();
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session.continueBrush(i <= 60 ? QPointF(700, 3200 - i * 40) : QPointF(700 + (i - 60) * 40, 800));
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models.push_back(double(frame.nsecsElapsed()) / 1e6);
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display();
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frames.push_back(double(frame.nsecsElapsed()) / 1e6);
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}
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const double draw = double(stroke.nsecsElapsed()) / 1e6;
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QElapsedTimer up;
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up.start();
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session.finishBrush();
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display();
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qInfo().noquote() << QStringLiteral("BRUSH BENCH diameter=%1 opaque=%2 pass=%3 draw=%4 mouseUp=%5ms")
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.arg(diameter).arg(opaque).arg(pass).arg(draw, 0, 'f', 1).arg(double(up.nsecsElapsed()) / 1e6, 0, 'f', 2);
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QVERIFY(!session.brushError().has_value());
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}
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std::sort(frames.begin(), frames.end());
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std::sort(models.begin(), models.end());
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qInfo().noquote() << QStringLiteral("BRUSH BENCH diameter=%1 opaque=%2 frame median=%3 p95=%4 max=%5ms")
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.arg(diameter).arg(opaque).arg(frames[frames.size() / 2], 0, 'f', 2)
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.arg(frames[size_t(double(frames.size()) * 0.95)], 0, 'f', 2).arg(frames.back(), 0, 'f', 2);
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// The model's share: the rest is the repaint.
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qInfo().noquote() << QStringLiteral("BRUSH BENCH diameter=%1 opaque=%2 model median=%3ms").arg(diameter).arg(opaque).arg(models[models.size() / 2], 0, 'f', 2);
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// The gate of linux/TASKS.md 8.3.
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QVERIFY2(frames[frames.size() / 2] <= 8.0, qPrintable(QString::number(frames[frames.size() / 2])));
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if (diameter == 800 && opaque) {
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const QString path = QDir::temp().filePath(QStringLiteral("compositor-brush-benchmark.png"));
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ImageExporter::exportPNG(session.projectSnapshot().value(), path);
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}
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}
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}
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}
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int main(int argc, char **argv)
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{
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// Swift's benchmark draws at a backing scale of two.
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qputenv("QT_SCALE_FACTOR", "2");
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QApplication app(argc, argv);
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BrushPerformanceTests tests;
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return QTest::qExec(&tests, argc, argv);
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}
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#include "BrushPerformanceTests.moc"
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