UI: Enable HW acceleration switch for browser sources on Mac

This enables in Settings the checkbox for hardware acceleration for
Browser Sources in MacOs.

UI/obs-app.cpp

@@ -483,6 +483,8 @@ bool OBSApp::InitGlobalConfigDefaults()
 #endif
 
 #ifdef __APPLE__
+	config_set_default_bool(globalConfig, "General", "BrowserHWAccel",
+				true);
 	config_set_default_bool(globalConfig, "Video", "DisableOSXVSync", true);
 	config_set_default_bool(globalConfig, "Video", "ResetOSXVSyncOnExit",
 				true);
@@ -1387,7 +1389,7 @@ bool OBSApp::OBSInit()
 
 	obs_set_ui_task_handler(ui_task_handler);
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__APPLE__)
 	bool browserHWAccel =
 		config_get_bool(globalConfig, "General", "BrowserHWAccel");
 

UI/window-basic-settings.cpp

@@ -538,6 +538,8 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 #endif
 #ifdef _WIN32
 	HookWidget(ui->disableAudioDucking,  CHECK_CHANGED,  ADV_CHANGED);
+#endif
+#if defined(_WIN32) || defined(__APPLE__)
 	HookWidget(ui->browserHWAccel,       CHECK_CHANGED,  ADV_RESTART);
 #endif
 	HookWidget(ui->filenameFormatting,   EDIT_CHANGED,   ADV_CHANGED);
@@ -627,8 +629,10 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 	delete ui->advancedGeneralGroupBox;
 	delete ui->enableNewSocketLoop;
 	delete ui->enableLowLatencyMode;
+#ifdef __linux__
 	delete ui->browserHWAccel;
 	delete ui->sourcesGroup;
+#endif
 #if defined(__APPLE__) || HAVE_PULSEAUDIO
 	delete ui->disableAudioDucking;
 #endif
@@ -641,8 +645,10 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 	ui->advancedGeneralGroupBox = nullptr;
 	ui->enableNewSocketLoop = nullptr;
 	ui->enableLowLatencyMode = nullptr;
+#ifdef __linux__
 	ui->browserHWAccel = nullptr;
 	ui->sourcesGroup = nullptr;
+#endif
 #if defined(__APPLE__) || HAVE_PULSEAUDIO
 	ui->disableAudioDucking = nullptr;
 #endif
@@ -2554,7 +2560,8 @@ void OBSBasicSettings::LoadAdvancedSettings()
 	ui->enableLowLatencyMode->setChecked(enableLowLatencyMode);
 	ui->enableLowLatencyMode->setToolTip(
 		QTStr("Basic.Settings.Advanced.Network.TCPPacing.Tooltip"));
-
+#endif
+#if defined(_WIN32) || defined(__APPLE__)
 	bool browserHWAccel = config_get_bool(App()->GlobalConfig(), "General",
 					      "BrowserHWAccel");
 	ui->browserHWAccel->setChecked(browserHWAccel);
@@ -3175,7 +3182,8 @@ void OBSBasicSettings::SaveAdvancedSettings()
 
 	SaveCheckBox(ui->enableNewSocketLoop, "Output", "NewSocketLoopEnable");
 	SaveCheckBox(ui->enableLowLatencyMode, "Output", "LowLatencyEnable");
-
+#endif
+#if defined(_WIN32) || defined(__APPLE__)
 	bool browserHWAccel = ui->browserHWAccel->isChecked();
 	config_set_bool(App()->GlobalConfig(), "General", "BrowserHWAccel",
 			browserHWAccel);