launcher: add readback option

src/launcher/forms/configuration_edit_dialog.ui

@@ -133,6 +133,12 @@
           <property name="text"><string>Fullscreen</string></property>
          </widget>
         </item>
+        <item row="5" column="1">
+         <widget class="QCheckBox" name="checkBox_readback">
+          <property name="toolTip"><string>Read back writable linear images</string></property>
+          <property name="text"><string>Enable readback</string></property>
+         </widget>
+        </item>
        </layout>
       </widget>
      </item>

src/launcher/include/configuration.h

@@ -95,6 +95,7 @@ public:
 	int                    user_id                     = Config::DEFAULT_USER_ID;
 	PresentMode            present_mode                = PresentMode::Fifo;
 	bool                   fullscreen_enabled          = false;
+	bool                   readback_linear_images      = false;
 	int                    vblank_frequency            = 60;
 	int                    console_language            = DEFAULT_CONSOLE_LANGUAGE;
 	bool                   vulkan_validation_enabled   = false;
@@ -121,6 +122,7 @@ public:
 		user_id                     = other.user_id;
 		present_mode                = other.present_mode;
 		fullscreen_enabled          = other.fullscreen_enabled;
+		readback_linear_images      = other.readback_linear_images;
 		vblank_frequency            = other.vblank_frequency;
 		console_language            = other.console_language;
 		vulkan_validation_enabled   = other.vulkan_validation_enabled;
@@ -164,6 +166,7 @@ public:
 		KYTY_CFG_SET(user_id);
 		KYTY_CFG_SET(present_mode);
 		KYTY_CFG_SET(fullscreen_enabled);
+		KYTY_CFG_SET(readback_linear_images);
 		KYTY_CFG_SET(vblank_frequency);
 		KYTY_CFG_SET(console_language);
 		KYTY_CFG_SET(vulkan_validation_enabled);
@@ -201,6 +204,7 @@ public:
 			present_mode = PresentMode::Fifo;
 		}
 		KYTY_CFG_GET(fullscreen_enabled);
+		KYTY_CFG_GET(readback_linear_images);
 		vblank_frequency = s->value("vblank_frequency", vblank_frequency).toInt();
 		console_language = s->value("console_language", console_language).toInt();
 		if (console_language < 0 || console_language > MAX_CONSOLE_LANGUAGE) {

src/launcher/src/configurationEditDialog.cpp

@@ -164,6 +164,7 @@ void ConfigurationEditDialog::Init(const Configuration& info) {
 	ListInit(m_ui->comboBox_screen_resolution, info.screen_resolution);
 	ListInit(m_ui->comboBox_present_mode, info.present_mode);
 	m_ui->checkBox_fullscreen->setChecked(info.fullscreen_enabled);
+	m_ui->checkBox_readback->setChecked(info.readback_linear_images);
 	m_ui->spinBox_vblank_frequency->setValue(info.vblank_frequency);
 	m_ui->comboBox_console_language->clear();
 	m_ui->comboBox_console_language->addItems(CONSOLE_LANGUAGE_NAMES);
@@ -306,6 +307,7 @@ static void UpdateInfo(Configuration& info, Ui::ConfigurationEditDialog& ui) {
 	info.present_mode =
 	    TextToEnum<Configuration::PresentMode>(ui.comboBox_present_mode->currentText());
 	info.fullscreen_enabled        = ui.checkBox_fullscreen->isChecked();
+	info.readback_linear_images    = ui.checkBox_readback->isChecked();
 	info.vblank_frequency          = ui.spinBox_vblank_frequency->value();
 	info.console_language          = ui.comboBox_console_language->currentIndex();
 	info.vulkan_validation_enabled = ui.checkBox_vulkan_validation->isChecked();

src/launcher/src/mainDialog.cpp

@@ -232,6 +232,7 @@ static QStringList CreateEmulatorArgs(const Configuration& info) {
 	if (info.fullscreen_enabled) {
 		args << "--fullscreen";
 	}
+	args << "--readback-linear-images" << BoolArg(info.readback_linear_images);
 	args << "--vblank-frequency" << QString::number(info.vblank_frequency);
 	args << "--console-language" << QString::number(info.console_language);
 	args << "--vulkan-validation" << BoolArg(info.vulkan_validation_enabled);