Browse Source
[desktop] Add basic Frametime/FPS overlay (#3537)
[desktop] Add basic Frametime/FPS overlay (#3537)
Just displays min, max, avg frametime/fps, alongside a chart of FPS in the last 30 seconds. Notes: - Qt Charts is now required - FPS/frametime collector now runs 2x as often. TODO: keep status bar at 500ms, but put perf overlay at 250ms Signed-off-by: crueter <crueter@eden-emu.dev> Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3537 Reviewed-by: Lizzie <lizzie@eden-emu.dev> Reviewed-by: MaranBr <maranbr@eden-emu.dev>pull/3558/head
crueter
3 days ago
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GPG Key ID: 425ACD2D4830EBC6
10 changed files with 563 additions and 39 deletions
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4CMakeLists.txt
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70src/qt_common/config/uisettings.h
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4src/yuzu/CMakeLists.txt
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4src/yuzu/configuration/configure_filesystem.cpp
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9src/yuzu/main.ui
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39src/yuzu/main_window.cpp
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11src/yuzu/main_window.h
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207src/yuzu/render/performance_overlay.cpp
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73src/yuzu/render/performance_overlay.h
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181src/yuzu/render/performance_overlay.ui
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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include "core/perf_stats.h"
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#include "performance_overlay.h"
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#include "ui_performance_overlay.h"
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#include "main_window.h"
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#include <QChart>
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#include <QChartView>
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#include <QGraphicsLayout>
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#include <QLineSeries>
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#include <QMouseEvent>
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#include <QPainter>
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#include <QValueAxis>
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// TODO(crueter): Reset samples when user changes turbo, slow, etc.
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PerformanceOverlay::PerformanceOverlay(MainWindow* parent) |
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: QWidget(parent), m_mainWindow{parent}, ui(new Ui::PerformanceOverlay) { |
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ui->setupUi(this); |
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setAttribute(Qt::WA_TranslucentBackground); |
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setWindowFlags(Qt::FramelessWindowHint | Qt::Tool); |
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raise(); |
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// chart setup
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m_fpsSeries = new QLineSeries(this); |
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QPen pen(Qt::red); |
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pen.setWidth(2); |
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m_fpsSeries->setPen(pen); |
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m_fpsChart = new QChart; |
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m_fpsChart->addSeries(m_fpsSeries); |
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m_fpsChart->legend()->hide(); |
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m_fpsChart->setBackgroundBrush(Qt::black); |
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m_fpsChart->setBackgroundVisible(true); |
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m_fpsChart->layout()->setContentsMargins(2, 2, 2, 2); |
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m_fpsChart->setMargins(QMargins{4, 4, 4, 4}); |
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// axes
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m_fpsX = new QValueAxis(this); |
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m_fpsX->setRange(0, NUM_FPS_SAMPLES); |
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m_fpsX->setVisible(false); |
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m_fpsY = new QValueAxis(this); |
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m_fpsY->setRange(0, 60); |
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m_fpsY->setLabelFormat(QStringLiteral("%d")); |
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m_fpsY->setLabelsColor(Qt::white); |
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QFont axisFont = m_fpsY->labelsFont(); |
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axisFont.setPixelSize(10); |
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m_fpsY->setLabelsFont(axisFont); |
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m_fpsY->setTickCount(3); |
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// gray-ish label w/ white lines
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m_fpsY->setLabelsVisible(true); |
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m_fpsY->setGridLineColor(QColor(50, 50, 50)); |
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m_fpsY->setLinePenColor(Qt::white); |
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m_fpsChart->addAxis(m_fpsX, Qt::AlignBottom); |
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m_fpsChart->addAxis(m_fpsY, Qt::AlignLeft); |
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m_fpsSeries->attachAxis(m_fpsX); |
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m_fpsSeries->attachAxis(m_fpsY); |
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// chart view
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m_fpsChartView = new QChartView(m_fpsChart, this); |
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m_fpsChartView->setRenderHint(QPainter::Antialiasing); |
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m_fpsChartView->setMinimumHeight(100); |
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ui->verticalLayout->addWidget(m_fpsChartView, 1); |
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// thanks Debian.
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QFont font = ui->fps->font(); |
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font.setWeight(QFont::DemiBold); |
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ui->fps->setFont(font); |
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ui->frametime->setFont(font); |
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// pos/stats
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resetPosition(m_mainWindow->pos()); |
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connect(parent, &MainWindow::positionChanged, this, &PerformanceOverlay::resetPosition); |
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connect(m_mainWindow, &MainWindow::statsUpdated, this, &PerformanceOverlay::updateStats); |
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} |
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PerformanceOverlay::~PerformanceOverlay() { |
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delete ui; |
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} |
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void PerformanceOverlay::resetPosition(const QPoint& _) { |
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auto pos = m_mainWindow->pos(); |
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move(pos.x() + m_offset.x(), pos.y() + m_offset.y()); |
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} |
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void PerformanceOverlay::updateStats(const Core::PerfStatsResults& results, |
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const VideoCore::ShaderNotify& shaders) { |
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auto fps = results.average_game_fps; |
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if (!std::isnan(fps)) { |
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// don't sample measurements < 3 fps because they are probably outliers or freezes
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static constexpr double FPS_SAMPLE_THRESHOLD = 3.0; |
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QString fpsText = tr("%1 fps").arg(std::round(fps), 0, 'f', 0); |
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// if (!m_fpsSuffix.isEmpty()) fpsText = fpsText % QStringLiteral(" (%1)").arg(m_fpsSuffix);
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ui->fps->setText(fpsText); |
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// sampling
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if (fps > FPS_SAMPLE_THRESHOLD) { |
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m_fpsSamples.push_back(fps); |
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m_fpsPoints.push_back(QPointF{m_xPos++, fps}); |
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} |
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if (m_fpsSamples.size() > NUM_FPS_SAMPLES) { |
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m_fpsSamples.pop_front(); |
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m_fpsPoints.pop_front(); |
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} |
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// For the average only go back 10 samples max
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if (m_fpsSamples.size() >= 2) { |
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const int back_search = std::min(size_t(10), m_fpsSamples.size() - 1); |
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double sum = std::accumulate(m_fpsSamples.end() - back_search, m_fpsSamples.end(), 0.0); |
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double avg = sum / back_search; |
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ui->fps_avg->setText(tr("Avg: %1").arg(avg, 0, 'f', 0)); |
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} |
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// chart it :)
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if (!m_fpsPoints.empty()) { |
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auto [min_it, max_it] = std::minmax_element(m_fpsSamples.begin(), m_fpsSamples.end()); |
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double min_fps = *min_it; |
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double max_fps = *max_it; |
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ui->fps_min->setText(tr("Min: %1").arg(min_fps, 0, 'f', 0)); |
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ui->fps_max->setText(tr("Max: %1").arg(max_fps, 0, 'f', 0)); |
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m_fpsSeries->replace(QList<QPointF>(m_fpsPoints.begin(), m_fpsPoints.end())); |
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qreal x_min = std::max(0.0, m_xPos - NUM_FPS_SAMPLES); |
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qreal x_max = std::max(qreal(10), m_xPos); |
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m_fpsX->setRange(x_min, x_max); |
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m_fpsY->setRange(0.0, max_fps); |
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} |
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} |
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auto ft = results.frametime; |
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if (!std::isnan(ft)) { |
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// don't sample measurements > 500 ms because they are probably outliers
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static constexpr double FT_SAMPLE_THRESHOLD = 500.0; |
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double ft_ms = results.frametime * 1000.0; |
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ui->frametime->setText(tr("%1 ms").arg(ft_ms, 0, 'f', 2)); |
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// sampling
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if (ft_ms <= FT_SAMPLE_THRESHOLD) |
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m_frametimeSamples.push_back(ft_ms); |
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if (m_frametimeSamples.size() > NUM_FRAMETIME_SAMPLES) |
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m_frametimeSamples.pop_front(); |
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if (!m_frametimeSamples.empty()) { |
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auto [min_it, max_it] = |
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std::minmax_element(m_frametimeSamples.begin(), m_frametimeSamples.end()); |
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ui->ft_min->setText(tr("Min: %1").arg(*min_it, 0, 'f', 1)); |
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ui->ft_max->setText(tr("Max: %1").arg(*max_it, 0, 'f', 1)); |
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} |
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// For the average only go back 10 samples max
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if (m_frametimeSamples.size() >= 2) { |
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const int back_search = std::min(size_t(10), m_frametimeSamples.size() - 1); |
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double sum = std::accumulate(m_frametimeSamples.end() - back_search, |
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m_frametimeSamples.end(), 0.0); |
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double avg = sum / back_search; |
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ui->ft_avg->setText(tr("Avg: %1").arg(avg, 0, 'f', 1)); |
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} |
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} |
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} |
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void PerformanceOverlay::paintEvent(QPaintEvent* event) { |
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QPainter painter(this); |
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painter.setRenderHint(QPainter::Antialiasing); |
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painter.setBrush(m_background); |
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painter.setPen(Qt::NoPen); |
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painter.drawRoundedRect(rect(), 10.0, 10.0); |
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} |
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void PerformanceOverlay::mousePressEvent(QMouseEvent* event) { |
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if (event->button() == Qt::LeftButton) { |
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m_drag_start_pos = event->pos(); |
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} |
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} |
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void PerformanceOverlay::mouseMoveEvent(QMouseEvent* event) { |
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// drag
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if (event->buttons() & Qt::LeftButton) { |
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QPoint new_global_pos = event->globalPosition().toPoint() - m_drag_start_pos; |
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m_offset = new_global_pos - m_mainWindow->pos(); |
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move(new_global_pos); |
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} |
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} |
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void PerformanceOverlay::closeEvent(QCloseEvent* event) { |
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emit closed(); |
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} |
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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project |
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// SPDX-License-Identifier: GPL-3.0-or-later |
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#pragma once |
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#include <deque> |
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#include <QWidget> |
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namespace VideoCore { |
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class ShaderNotify; |
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} |
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namespace Core { |
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struct PerfStatsResults; |
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} |
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namespace Ui { |
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class PerformanceOverlay; |
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} |
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class QLineSeries; |
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class QChart; |
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class QChartView; |
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class QValueAxis; |
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class MainWindow; |
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class PerformanceOverlay : public QWidget { |
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Q_OBJECT |
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public: |
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explicit PerformanceOverlay(MainWindow* parent = nullptr); |
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~PerformanceOverlay(); |
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protected: |
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void paintEvent(QPaintEvent* event) override; |
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void mousePressEvent(QMouseEvent* event) override; |
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void mouseMoveEvent(QMouseEvent* event) override; |
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void closeEvent(QCloseEvent *event) override; |
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private: |
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void resetPosition(const QPoint& pos); |
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void updateStats(const Core::PerfStatsResults &results, const VideoCore::ShaderNotify &shaders); |
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MainWindow *m_mainWindow = nullptr; |
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Ui::PerformanceOverlay* ui; |
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// colors |
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QColor m_background{127, 127, 127, 190}; |
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QPoint m_offset{25, 75}; |
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// frametime |
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const size_t NUM_FRAMETIME_SAMPLES = 300; |
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std::deque<double> m_frametimeSamples; |
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// fps |
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const size_t NUM_FPS_SAMPLES = 120; |
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qreal m_xPos = 0; |
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std::deque<double> m_fpsSamples; |
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std::deque<QPointF> m_fpsPoints; |
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// drag |
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QPoint m_drag_start_pos; |
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// fps chart |
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QLineSeries *m_fpsSeries = nullptr; |
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QChart *m_fpsChart = nullptr; |
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QChartView *m_fpsChartView = nullptr; |
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QValueAxis *m_fpsX = nullptr; |
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QValueAxis *m_fpsY = nullptr; |
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signals: |
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void closed(); |
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}; |
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<?xml version="1.0" encoding="UTF-8"?> |
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<ui version="4.0"> |
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<class>PerformanceOverlay</class> |
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<widget class="QWidget" name="PerformanceOverlay"> |
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<property name="geometry"> |
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<rect> |
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<x>0</x> |
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<y>0</y> |
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<width>225</width> |
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<height>250</height> |
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</rect> |
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</property> |
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<property name="windowTitle"> |
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<string>Form</string> |
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</property> |
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<layout class="QVBoxLayout" name="verticalLayout"> |
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<item> |
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<layout class="QHBoxLayout" name="ft_label_layout"> |
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<item> |
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<widget class="QLabel" name="label_3"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>12</pointsize> |
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<bold>true</bold> |
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</font> |
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</property> |
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<property name="styleSheet"> |
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<string notr="true">color: #0000ff;</string> |
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</property> |
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<property name="text"> |
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<string>Frametime</string> |
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</property> |
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</widget> |
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</item> |
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<item> |
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<widget class="QLabel" name="frametime"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>12</pointsize> |
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</font> |
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</property> |
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<property name="text"> |
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<string>0 ms</string> |
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</property> |
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</widget> |
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</item> |
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</layout> |
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</item> |
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<item> |
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<layout class="QHBoxLayout" name="ft_layout"> |
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<item> |
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<widget class="QLabel" name="ft_min"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>10</pointsize> |
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<bold>false</bold> |
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</font> |
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</property> |
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<property name="text"> |
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<string>Min: 0</string> |
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</property> |
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</widget> |
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</item> |
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<item> |
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<widget class="QLabel" name="ft_max"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>10</pointsize> |
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<bold>false</bold> |
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</font> |
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</property> |
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<property name="text"> |
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<string>Max: 0</string> |
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</property> |
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</widget> |
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</item> |
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<item> |
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<widget class="QLabel" name="ft_avg"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>10</pointsize> |
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<bold>false</bold> |
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</font> |
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</property> |
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<property name="text"> |
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<string>Avg: 0</string> |
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</property> |
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</widget> |
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</item> |
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</layout> |
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</item> |
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<item> |
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<layout class="QHBoxLayout" name="fps_label_layout"> |
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<item> |
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<widget class="QLabel" name="label_4"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>12</pointsize> |
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<bold>true</bold> |
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</font> |
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</property> |
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<property name="styleSheet"> |
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<string notr="true">color: #ff0000;</string> |
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</property> |
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<property name="text"> |
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<string>FPS</string> |
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</property> |
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</widget> |
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</item> |
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<item> |
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<widget class="QLabel" name="fps"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>12</pointsize> |
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</font> |
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</property> |
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<property name="text"> |
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<string>0 fps</string> |
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</property> |
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</widget> |
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</item> |
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</layout> |
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</item> |
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<item> |
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<layout class="QHBoxLayout" name="horizontalLayout"> |
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<item> |
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<widget class="QLabel" name="fps_min"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>10</pointsize> |
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<bold>false</bold> |
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</font> |
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</property> |
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<property name="text"> |
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<string>Min: 0</string> |
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</property> |
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</widget> |
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</item> |
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<item> |
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<widget class="QLabel" name="fps_max"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>10</pointsize> |
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<bold>false</bold> |
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</font> |
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</property> |
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<property name="text"> |
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<string>Max: 0</string> |
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</property> |
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</widget> |
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</item> |
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<item> |
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<widget class="QLabel" name="fps_avg"> |
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<property name="font"> |
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<font> |
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<family>Sans Serif</family> |
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<pointsize>10</pointsize> |
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<bold>false</bold> |
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</font> |
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</property> |
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<property name="text"> |
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<string>Avg: 0</string> |
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</property> |
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</widget> |
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</item> |
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</layout> |
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</item> |
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</layout> |
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</widget> |
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<resources/> |
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<connections/> |
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</ui> |
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