Add display for refresh rates in status bars

src/include/86box/video.h

@@ -130,6 +130,8 @@ typedef struct monitor_t {
     int                      mon_force_resize;
     int                      mon_fullchange;
     int                      mon_changeframecount;
+    int                      mon_renderedframes;
+    atomic_int               mon_actualrenderedframes;
     atomic_int               mon_screenshots;
     uint32_t                *mon_pal_lookup;
     int                     *mon_cga_palette;

src/qt/qt_mainwindow.cpp

@@ -220,6 +220,16 @@ MainWindow::MainWindow(QWidget *parent)
     kana_label->setToolTip(QShortcut::tr("Kana Lock"));
     statusBar()->addPermanentWidget(kana_label);
 
+    auto hertz_label = new QLabel;
+    QTimer* frameRateTimer = new QTimer(this);
+    frameRateTimer->setInterval(1000);
+    frameRateTimer->setSingleShot(false);
+    connect(frameRateTimer, &QTimer::timeout, [this, hertz_label] {
+        hertz_label->setText(QString("%1 Hz").arg(monitors[0].mon_actualrenderedframes));
+    });
+    statusBar()->addPermanentWidget(hertz_label);
+    frameRateTimer->start(1000);
+
     QTimer* ledKeyboardTimer = new QTimer(this);
     ledKeyboardTimer->setTimerType(Qt::CoarseTimer);
     ledKeyboardTimer->setInterval(1);

src/qt/qt_rendererstack.cpp

@@ -45,6 +45,8 @@
 #include <QKeyEvent>
 #include <QWidget>
 
+#include <QTimer>
+
 #include <atomic>
 #include <mutex>
 #include <array>
@@ -96,6 +98,17 @@ RendererStack::RendererStack(QWidget *parent, int monitor_index)
     ui->setupUi(this);
 
     m_monitor_index = monitor_index;
+
+
+    if (monitor_index >= 1) {
+        QTimer* frameRateTimer = new QTimer(this);
+        frameRateTimer->setSingleShot(false);
+        frameRateTimer->setInterval(1000);
+        connect(frameRateTimer, &QTimer::timeout, [this] {
+            this->setWindowTitle(QObject::tr("86Box Monitor #") + QString::number(m_monitor_index + 1) + QString(" - %1 Hz").arg(monitors[m_monitor_index].mon_actualrenderedframes));
+        });
+        frameRateTimer->start(1000);
+    }
 #if defined __unix__ && !defined __HAIKU__
     memset(auto_mouse_type, 0, sizeof (auto_mouse_type));
     mousedata.mouse_type = getenv("EMU86BOX_MOUSE");

src/video/vid_table.c

@@ -283,6 +283,22 @@ vid_table_log(const char *fmt, ...)
 #    define vid_table_log(fmt, ...)
 #endif
 
+static pc_timer_t framerate_timer;
+
+void
+video_update_framerates(void* priv)
+{
+    (void)priv;
+    int i = 0;
+
+    for (i = 0; i < GFXCARD_MAX; i++) {
+        monitors[i].mon_actualrenderedframes = monitors[i].mon_renderedframes;
+        monitors[i].mon_renderedframes = 0;
+    }
+
+    timer_on_auto(&framerate_timer, 1000 * 1000);
+}
+
 void
 video_reset_close(void)
 {
@@ -358,6 +374,7 @@ video_reset(int card)
         device_add(video_cards[card].device);
     }
 
+    timer_add(&framerate_timer, video_update_framerates, NULL, 1);
     was_reset = 1;
 }
 

src/video/video.c

@@ -476,6 +476,7 @@ video_blit_memtoscreen_monitor(int x, int y, int w, int h, int monitor_index)
     monitors[monitor_index].mon_blit_data_ptr->y             = y;
     monitors[monitor_index].mon_blit_data_ptr->w             = w;
     monitors[monitor_index].mon_blit_data_ptr->h             = h;
+    monitors[monitor_index].mon_renderedframes++;
 
     thread_set_event(monitors[monitor_index].mon_blit_data_ptr->wake_blit_thread);
     MTR_END("video", "video_blit_memtoscreen");