update gui

mupen64plus-gui/mainwindow.cpp

@@ -406,6 +406,8 @@ MainWindow::MainWindow(QWidget *parent) :
     }
 
     setupDiscord();
+    FPSLabel = new QLabel(this);
+    statusBar()->addPermanentWidget(FPSLabel);
 }
 
 MainWindow::~MainWindow()
@@ -676,6 +678,10 @@ void MainWindow::createVkWindow(QVulkanInstance* vulkan_inst)
 
     my_window->installEventFilter(&keyPressFilter);
     this->installEventFilter(&keyPressFilter);
+    frame_timer = new QTimer(this);
+    connect(frame_timer, &QTimer::timeout, this, &MainWindow::updateFrameCount);
+    frame_timer->start(1000);
+    frame_count = 0;
 }
 
 void MainWindow::deleteVkWindow()
@@ -683,6 +689,9 @@ void MainWindow::deleteVkWindow()
     QWidget *container = new QWidget(this);
     setCentralWidget(container);
     delete my_window;
+    frame_timer->stop();
+    frame_timer->deleteLater();
+    FPSLabel->clear();
 }
 
 void MainWindow::stopGame()
@@ -1152,3 +1161,15 @@ m64p_dynlib_handle MainWindow::getCoreLib()
 {
     return coreLib;
 }
+
+void MainWindow::addFrameCount()
+{
+    ++frame_count;
+}
+
+void MainWindow::updateFrameCount()
+{
+    QString FPS = QString("%1 FPS").arg(frame_count);
+    FPSLabel->setText(FPS);
+    frame_count = 0;
+}

mupen64plus-gui/mainwindow.h

@@ -67,8 +67,11 @@ public slots:
     void showMessage(QString message);
     void updateDiscordActivity(struct DiscordActivity activity);
     void clearDiscordActivity();
+    void addFrameCount();
 
 private slots:
+    void updateFrameCount();
+
     void discordCallback();
 
     void updateDownloadFinished(QNetworkReply *reply);
@@ -136,6 +139,7 @@ private:
     QMenu * OpenRecent;
     int verbose;
     int nogui;
+    uint32_t frame_count;
 
     QMessageBox *download_message = nullptr;
     VkWindow *my_window = nullptr;
@@ -143,6 +147,8 @@ private:
     LogViewer logViewer;
     QSettings *settings = nullptr;
     KeyPressFilter keyPressFilter;
+    QTimer *frame_timer = nullptr;
+    QLabel *FPSLabel = nullptr;
 
     m64p_dynlib_handle coreLib;
     m64p_dynlib_handle rspPlugin;

mupen64plus-gui/vidext.cpp

@@ -77,7 +77,8 @@ m64p_error qtVidExtFuncGLGetAttr(m64p_GLattr, int*)
 
 m64p_error qtVidExtFuncGLSwapBuf(void)
 {
-    return M64ERR_UNSUPPORTED;
+    w->getWorkerThread()->addFrameCount();
+    return M64ERR_SUCCESS;
 }
 
 m64p_error qtVidExtFuncSetCaption(const char *)

mupen64plus-gui/workerthread.cpp

@@ -30,6 +30,7 @@ void WorkerThread::run()
     connect(this, SIGNAL(updateDiscordActivity(struct DiscordActivity)), w, SLOT(updateDiscordActivity(struct DiscordActivity)), Qt::BlockingQueuedConnection);
     connect(this, SIGNAL(clearDiscordActivity()), w, SLOT(clearDiscordActivity()), Qt::BlockingQueuedConnection);
     connect(this, SIGNAL(addLog(QString)), w->getLogViewer(), SLOT(addLog(QString)), Qt::QueuedConnection);
+    connect(this, SIGNAL(addFrameCount()), w, SLOT(addFrameCount()), Qt::QueuedConnection);
 #ifdef _WIN32
     SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED);
 #else

mupen64plus-gui/workerthread.h

@@ -25,6 +25,7 @@ signals:
     void updateDiscordActivity(struct DiscordActivity activity);
     void clearDiscordActivity();
     void addLog(QString text);
+    void addFrameCount();
 
 private:
     QString m_fileName;