Add setting to display Lua text on video encode

Author: Perdu

docs/guides/options.md

@@ -72,6 +72,10 @@ When software rendering is on, you can check this to skip some steps in the rend
 
 Displays some information on the game screen such as framecount, inputs, notifications and ram watches. The placement of these texts can be modified, and can be displayed in the encode video.
 
+### Lua on video encode
+
+Display text from Lua script in video encode.
+
 ## Runtime
 
 ### Time tracking

src/library/frame.cpp

@@ -348,7 +348,7 @@ void frameBoundary(std::function<void()> draw, RenderHUD& hud)
      * We encode at the end so that we can encode with or without the OSD easily
      */    
     if (Global::shared_config.av_dumping) {
-        if (Global::shared_config.osd_encode) {
+        if (Global::shared_config.osd_encode || Global::shared_config.osd_lua) {
             /* We need to recapture the whole screen with OSD, so we redo the 
              * whole steps without the final `draw()` call */
             if (!Global::skipping_draw && draw) {

src/library/renderhud/RenderHUD.cpp

@@ -216,6 +216,12 @@ void RenderHUD::drawAll(uint64_t framecount, uint64_t nondraw_framecount, const
             ImGui::EndMainMenuBar();
         }
 		ImGui::PopStyleColor(2);
+    } else if (Global::shared_config.osd_lua) {
+        show_lua = true;
+        show_framecount = false;
+        show_inputs = false;
+        show_messages = false;
+        show_watches = false;
     }
 
     if (supportsGameWindow() && !show_game_window && old_show_game_window) {

src/program/Config.cpp

@@ -162,6 +162,7 @@ void Config::save(const std::string& gamepath) {
     settings.setValue("screen_height", sc.screen_height);
     settings.setValue("osd", sc.osd);
     settings.setValue("osd_encode", sc.osd_encode);
+    settings.setValue("osd_lua", sc.osd_lua);
     settings.setValue("prevent_savefiles", sc.prevent_savefiles);
     settings.setValue("audio_bitdepth", sc.audio_bitdepth);
     settings.setValue("audio_channels", sc.audio_channels);

src/program/ui/settings/VideoPane.cpp

@@ -86,9 +86,11 @@ void VideoPane::initLayout()
 
     osdMenuBox = new QCheckBox(tr("Main Menu"));
     osdEncodeBox = new QCheckBox(tr("OSD on video encode"));
+    osdLuaBox = new QCheckBox(tr("Lua on video encode"));
 
     osdLayout->addWidget(osdMenuBox);
     osdLayout->addWidget(osdEncodeBox);
+    osdLayout->addWidget(osdLuaBox);
 
     renderingBox = new QGroupBox(tr("Rendering"));
     QVBoxLayout* renderingLayout = new QVBoxLayout;
@@ -134,6 +136,7 @@ void VideoPane::initSignals()
     });
     connect(osdMenuBox, &QAbstractButton::clicked, this, &VideoPane::saveConfig);
     connect(osdEncodeBox, &QAbstractButton::clicked, this, &VideoPane::saveConfig);
+    connect(osdLuaBox, &QAbstractButton::clicked, this, &VideoPane::saveConfig);
 
     connect(rendSoftBox, &QAbstractButton::clicked, this, &VideoPane::saveConfig);
     connect(rendPerfBox, &QAbstractButton::clicked, this, &VideoPane::saveConfig);
@@ -187,6 +190,7 @@ void VideoPane::loadConfig()
 
     osdMenuBox->setChecked(context->config.sc.osd);
     osdEncodeBox->setChecked(context->config.sc.osd_encode);
+    osdLuaBox->setChecked(context->config.sc.osd_lua);
 
     rendSoftBox->setChecked(context->config.sc.opengl_soft);
     rendPerfBox->setChecked(context->config.sc.opengl_performance);
@@ -210,6 +214,7 @@ void VideoPane::saveConfig()
 
     context->config.sc.osd = osdMenuBox->isChecked();
     context->config.sc.osd_encode = osdEncodeBox->isChecked();
+    context->config.sc.osd_lua = osdLuaBox->isChecked();
 
     context->config.sc.opengl_soft = rendSoftBox->isChecked();
     context->config.sc.opengl_performance = rendPerfBox->isChecked();

src/program/ui/settings/VideoPane.h

@@ -56,6 +56,7 @@ class VideoPane : public QWidget {
     QSpinBox* widthField;
     QSpinBox* heightField;
 
+    QCheckBox* osdLuaBox;
     QCheckBox* osdMenuBox;
     QCheckBox* osdEncodeBox;
 

src/shared/SharedConfig.h

@@ -281,6 +281,9 @@ struct __attribute__((packed, aligned(8))) SharedConfig {
     /* Display OSD in the video encode */
     bool osd_encode = false;
 
+    /* Display lua text in the video encode */
+    bool osd_lua = false;
+
     /* Use a backup of savefiles in memory, which leaves the original
      * savefiles unmodified and save the content in savestates */
     bool prevent_savefiles = true;