Expose `get_export_option_visibility` to editor plugins

doc/classes/EditorExportPlugin.xml

@@ -159,6 +159,15 @@
 				Return a [PackedStringArray] of additional features this preset, for the given [param platform], should have.
 			</description>
 		</method>
+		<method name="_get_export_option_visibility" qualifiers="virtual const">
+			<return type="bool" />
+			<param index="0" name="platform" type="EditorExportPlatform" />
+			<param index="1" name="option" type="String" />
+			<description>
+				[b]Optional.[/b]
+				Validates [param option] and returns the visibility for the specified [param platform]. The default implementation returns [code]true[/code] for all options.
+			</description>
+		</method>
 		<method name="_get_export_option_warning" qualifiers="virtual const">
 			<return type="String" />
 			<param index="0" name="platform" type="EditorExportPlatform" />

editor/export/editor_export_plugin.cpp

@@ -295,6 +295,12 @@ bool EditorExportPlugin::_should_update_export_options(const Ref<EditorExportPla
 	return ret;
 }
 
+bool EditorExportPlugin::_get_export_option_visibility(const Ref<EditorExportPlatform> &p_export_platform, const String &p_option_name) const {
+	bool ret = true;
+	GDVIRTUAL_CALL(_get_export_option_visibility, p_export_platform, p_option_name, ret);
+	return ret;
+}
+
 String EditorExportPlugin::_get_export_option_warning(const Ref<EditorExportPlatform> &p_export_platform, const String &p_option_name) const {
 	String ret;
 	GDVIRTUAL_CALL(_get_export_option_warning, p_export_platform, p_option_name, ret);
@@ -354,6 +360,7 @@ void EditorExportPlugin::_bind_methods() {
 	GDVIRTUAL_BIND(_get_export_options, "platform");
 	GDVIRTUAL_BIND(_get_export_options_overrides, "platform");
 	GDVIRTUAL_BIND(_should_update_export_options, "platform");
+	GDVIRTUAL_BIND(_get_export_option_visibility, "platform", "option");
 	GDVIRTUAL_BIND(_get_export_option_warning, "platform", "option");
 
 	GDVIRTUAL_BIND(_get_export_features, "platform", "debug");

editor/export/editor_export_plugin.h

@@ -132,6 +132,7 @@ protected:
 	GDVIRTUAL1RC(TypedArray<Dictionary>, _get_export_options, const Ref<EditorExportPlatform> &);
 	GDVIRTUAL1RC(Dictionary, _get_export_options_overrides, const Ref<EditorExportPlatform> &);
 	GDVIRTUAL1RC(bool, _should_update_export_options, const Ref<EditorExportPlatform> &);
+	GDVIRTUAL2RC(bool, _get_export_option_visibility, const Ref<EditorExportPlatform> &, String);
 	GDVIRTUAL2RC(String, _get_export_option_warning, const Ref<EditorExportPlatform> &, String);
 
 	GDVIRTUAL0RC(String, _get_name)
@@ -160,6 +161,7 @@ protected:
 	virtual void _get_export_options(const Ref<EditorExportPlatform> &p_export_platform, List<EditorExportPlatform::ExportOption> *r_options) const;
 	virtual Dictionary _get_export_options_overrides(const Ref<EditorExportPlatform> &p_export_platform) const;
 	virtual bool _should_update_export_options(const Ref<EditorExportPlatform> &p_export_platform) const;
+	virtual bool _get_export_option_visibility(const Ref<EditorExportPlatform> &p_export_platform, const String &p_option_name) const;
 	virtual String _get_export_option_warning(const Ref<EditorExportPlatform> &p_export_platform, const String &p_option_name) const;
 
 public:

editor/export/editor_export_preset.cpp

@@ -135,8 +135,29 @@ String EditorExportPreset::_get_property_warning(const StringName &p_name) const
 
 void EditorExportPreset::_get_property_list(List<PropertyInfo> *p_list) const {
 	for (const KeyValue<StringName, PropertyInfo> &E : properties) {
-		if (!value_overrides.has(E.key) && platform->get_export_option_visibility(this, E.key)) {
-			p_list->push_back(E.value);
+		if (!value_overrides.has(E.key)) {
+			bool property_visible = platform->get_export_option_visibility(this, E.key);
+			if (!property_visible) {
+				continue;
+			}
+
+			// Get option visibility from editor export plugins.
+			Vector<Ref<EditorExportPlugin>> export_plugins = EditorExport::get_singleton()->get_export_plugins();
+			for (int i = 0; i < export_plugins.size(); i++) {
+				if (!export_plugins[i]->supports_platform(platform)) {
+					continue;
+				}
+
+				export_plugins.write[i]->set_export_preset(Ref<EditorExportPreset>(this));
+				property_visible = export_plugins[i]->_get_export_option_visibility(platform, E.key);
+				if (!property_visible) {
+					break;
+				}
+			}
+
+			if (property_visible) {
+				p_list->push_back(E.value);
+			}
 		}
 	}
 }