4 files changed, 28 insertions, 9 deletions
diff --git a/platform/iphone/display_server_iphone.h b/platform/iphone/display_server_iphone.h
index 34c56382a4..6f64130b23 100644
--- a/platform/iphone/display_server_iphone.h
+++ b/platform/iphone/display_server_iphone.h
@@ -67,7 +67,7 @@ class DisplayServerIPhone : public DisplayServer {
 
 	void perform_event(const Ref<InputEvent> &p_event);
 
-	DisplayServerIPhone(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
+	DisplayServerIPhone(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
 	~DisplayServerIPhone();
 
 public:
@@ -76,7 +76,7 @@ public:
 	static DisplayServerIPhone *get_singleton();
 
 	static void register_iphone_driver();
-	static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
+	static DisplayServer *create_func(const String &p_rendering_driver, WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
 	static Vector<String> get_rendering_drivers_func();
 
 	// MARK: - Events
@@ -176,6 +176,9 @@ public:
 
 	virtual bool can_any_window_draw() const override;
 
+	virtual void window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window = MAIN_WINDOW_ID) override;
+	virtual DisplayServer::VSyncMode window_get_vsync_mode(WindowID p_vsync_mode) const override;
+
 	virtual bool screen_is_touchscreen(int p_screen) const override;
 
 	virtual void virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect, bool p_multiline, int p_max_length, int p_cursor_start, int p_cursor_end) override;
diff --git a/platform/iphone/display_server_iphone.mm b/platform/iphone/display_server_iphone.mm
index 74d7419715..bd95e2c703 100644
--- a/platform/iphone/display_server_iphone.mm
+++ b/platform/iphone/display_server_iphone.mm
@@ -48,7 +48,7 @@ DisplayServerIPhone *DisplayServerIPhone::get_singleton() {
 	return (DisplayServerIPhone *)DisplayServer::get_singleton();
 }
 
-DisplayServerIPhone::DisplayServerIPhone(const String &p_rendering_driver, DisplayServer::WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
+DisplayServerIPhone::DisplayServerIPhone(const String &p_rendering_driver, WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
 	rendering_driver = p_rendering_driver;
 
 #if defined(OPENGL_ENABLED)
@@ -108,7 +108,7 @@ DisplayServerIPhone::DisplayServerIPhone(const String &p_rendering_driver, Displ
 		}
 
 		Size2i size = Size2i(layer.bounds.size.width, layer.bounds.size.height) * screen_get_max_scale();
-		if (context_vulkan->window_create(MAIN_WINDOW_ID, layer, size.width, size.height) != OK) {
+		if (context_vulkan->window_create(MAIN_WINDOW_ID, p_vsync_mode, layer, size.width, size.height) != OK) {
 			memdelete(context_vulkan);
 			context_vulkan = nullptr;
 			ERR_FAIL_MSG("Failed to create Vulkan window.");
@@ -147,8 +147,8 @@ DisplayServerIPhone::~DisplayServerIPhone() {
 #endif
 }
 
-DisplayServer *DisplayServerIPhone::create_func(const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
-	return memnew(DisplayServerIPhone(p_rendering_driver, p_mode, p_flags, p_resolution, r_error));
+DisplayServer *DisplayServerIPhone::create_func(const String &p_rendering_driver, WindowMode p_mode, DisplayServer::VSyncMode p_vsync_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error) {
+	return memnew(DisplayServerIPhone(p_rendering_driver, p_mode, p_vsync_mode, p_flags, p_resolution, r_error));
 }
 
 Vector<String> DisplayServerIPhone::get_rendering_drivers_func() {
@@ -581,3 +581,19 @@ void DisplayServerIPhone::resize_window(CGSize viewSize) {
 	Variant resize_rect = Rect2i(Point2i(), size);
 	_window_callback(window_resize_callback, resize_rect);
 }
+
+void DisplayServerIPhone::window_set_vsync_mode(DisplayServer::VSyncMode p_vsync_mode, WindowID p_window) {
+	_THREAD_SAFE_METHOD_
+#if defined(VULKAN_ENABLED)
+	context_vulkan->set_vsync_mode(p_window, p_vsync_mode);
+#endif
+}
+
+DisplayServer::VSyncMode DisplayServerIPhone::window_get_vsync_mode(WindowID p_window) const {
+	_THREAD_SAFE_METHOD_
+#if defined(VULKAN_ENABLED)
+	return context_vulkan->get_vsync_mode(p_window);
+#else
+	return DisplayServer::VSYNC_ENABLED;
+#endif
+}
diff --git a/platform/iphone/vulkan_context_iphone.h b/platform/iphone/vulkan_context_iphone.h
index 88764e270e..ec6aaf46e8 100644
--- a/platform/iphone/vulkan_context_iphone.h
+++ b/platform/iphone/vulkan_context_iphone.h
@@ -39,7 +39,7 @@ class VulkanContextIPhone : public VulkanContext {
 	virtual const char *_get_platform_surface_extension() const;
 
 public:
-	Error window_create(DisplayServer::WindowID p_window_id, CALayer *p_metal_layer, int p_width, int p_height);
+	Error window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, CALayer *p_metal_layer, int p_width, int p_height);
 
 	VulkanContextIPhone();
 	~VulkanContextIPhone();
diff --git a/platform/iphone/vulkan_context_iphone.mm b/platform/iphone/vulkan_context_iphone.mm
index 08c9007fbb..17f2b167b3 100644
--- a/platform/iphone/vulkan_context_iphone.mm
+++ b/platform/iphone/vulkan_context_iphone.mm
@@ -35,7 +35,7 @@ const char *VulkanContextIPhone::_get_platform_surface_extension() const {
 	return VK_MVK_IOS_SURFACE_EXTENSION_NAME;
 }
 
-Error VulkanContextIPhone::window_create(DisplayServer::WindowID p_window_id, CALayer *p_metal_layer, int p_width, int p_height) {
+Error VulkanContextIPhone::window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, CALayer *p_metal_layer, int p_width, int p_height) {
 	VkIOSSurfaceCreateInfoMVK createInfo;
 	createInfo.sType = VK_STRUCTURE_TYPE_IOS_SURFACE_CREATE_INFO_MVK;
 	createInfo.pNext = nullptr;
@@ -47,7 +47,7 @@ Error VulkanContextIPhone::window_create(DisplayServer::WindowID p_window_id, CA
 			vkCreateIOSSurfaceMVK(_get_instance(), &createInfo, nullptr, &surface);
 	ERR_FAIL_COND_V(err, ERR_CANT_CREATE);
 
-	return _window_create(p_window_id, surface, p_width, p_height);
+	return _window_create(p_window_id, p_vsync_mode, surface, p_width, p_height);
 }
 
 VulkanContextIPhone::VulkanContextIPhone() {}