Harmonize return values of window_create() in rendering drivers

platform/android/display_server_android.cpp

@@ -463,7 +463,7 @@ void DisplayServerAndroid::reset_window() {
 		context_vulkan->window_destroy(MAIN_WINDOW_ID);
 
 		Size2i display_size = OS_Android::get_singleton()->get_display_size();
-		if (context_vulkan->window_create(native_window, last_vsync_mode, display_size.width, display_size.height) == -1) {
+		if (context_vulkan->window_create(native_window, last_vsync_mode, display_size.width, display_size.height) != OK) {
 			memdelete(context_vulkan);
 			context_vulkan = nullptr;
 			ERR_FAIL_MSG("Failed to reset Vulkan window.");
@@ -529,7 +529,7 @@ DisplayServerAndroid::DisplayServerAndroid(const String &p_rendering_driver, Dis
 		}
 
 		Size2i display_size = OS_Android::get_singleton()->get_display_size();
-		if (context_vulkan->window_create(native_window, p_vsync_mode, display_size.width, display_size.height) == -1) {
+		if (context_vulkan->window_create(native_window, p_vsync_mode, display_size.width, display_size.height) != OK) {
 			memdelete(context_vulkan);
 			context_vulkan = nullptr;
 			ERR_FAIL_MSG("Failed to create Vulkan window.");

platform/android/vulkan/vulkan_context_android.cpp

@@ -40,7 +40,7 @@ const char *VulkanContextAndroid::_get_platform_surface_extension() const {
 	return VK_KHR_ANDROID_SURFACE_EXTENSION_NAME;
 }
 
-int VulkanContextAndroid::window_create(ANativeWindow *p_window, DisplayServer::VSyncMode p_vsync_mode, int p_width, int p_height) {
+Error VulkanContextAndroid::window_create(ANativeWindow *p_window, DisplayServer::VSyncMode p_vsync_mode, int p_width, int p_height) {
 	VkAndroidSurfaceCreateInfoKHR createInfo;
 	createInfo.sType = VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR;
 	createInfo.pNext = nullptr;
@@ -50,7 +50,7 @@ int VulkanContextAndroid::window_create(ANativeWindow *p_window, DisplayServer::
 	VkSurfaceKHR surface;
 	VkResult err = vkCreateAndroidSurfaceKHR(get_instance(), &createInfo, nullptr, &surface);
 	if (err != VK_SUCCESS) {
-		ERR_FAIL_V_MSG(-1, "vkCreateAndroidSurfaceKHR failed with error " + itos(err));
+		ERR_FAIL_V_MSG(ERR_CANT_CREATE, "vkCreateAndroidSurfaceKHR failed with error " + itos(err));
 	}
 
 	return _window_create(DisplayServer::MAIN_WINDOW_ID, p_vsync_mode, surface, p_width, p_height);

platform/android/vulkan/vulkan_context_android.h

@@ -39,7 +39,7 @@ class VulkanContextAndroid : public VulkanContext {
 	virtual const char *_get_platform_surface_extension() const override;
 
 public:
-	int window_create(ANativeWindow *p_window, DisplayServer::VSyncMode p_vsync_mode, int p_width, int p_height);
+	Error window_create(ANativeWindow *p_window, DisplayServer::VSyncMode p_vsync_mode, int p_width, int p_height);
 
 	VulkanContextAndroid() = default;
 	~VulkanContextAndroid() override = default;

platform/windows/display_server_windows.cpp

@@ -3555,7 +3555,7 @@ DisplayServer::WindowID DisplayServerWindows::_create_window(WindowMode p_mode,
 
 #ifdef VULKAN_ENABLED
 		if (context_vulkan) {
-			if (context_vulkan->window_create(id, p_vsync_mode, wd.hWnd, hInstance, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top) == -1) {
+			if (context_vulkan->window_create(id, p_vsync_mode, wd.hWnd, hInstance, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top) != OK) {
 				memdelete(context_vulkan);
 				context_vulkan = nullptr;
 				windows.erase(id);
@@ -3566,10 +3566,7 @@ DisplayServer::WindowID DisplayServerWindows::_create_window(WindowMode p_mode,
 
 #ifdef GLES3_ENABLED
 		if (gl_manager) {
-			Error err = gl_manager->window_create(id, wd.hWnd, hInstance, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top);
-
-			// shut down OpenGL, to mirror behavior of Vulkan code
-			if (err != OK) {
+			if (gl_manager->window_create(id, wd.hWnd, hInstance, WindowRect.right - WindowRect.left, WindowRect.bottom - WindowRect.top) != OK) {
 				memdelete(gl_manager);
 				gl_manager = nullptr;
 				windows.erase(id);

platform/windows/vulkan_context_win.cpp

@@ -41,7 +41,7 @@ const char *VulkanContextWindows::_get_platform_surface_extension() const {
 	return VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
 }
 
-int VulkanContextWindows::window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, HWND p_window, HINSTANCE p_instance, int p_width, int p_height) {
+Error VulkanContextWindows::window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, HWND p_window, HINSTANCE p_instance, int p_width, int p_height) {
 	VkWin32SurfaceCreateInfoKHR createInfo;
 	createInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
 	createInfo.pNext = nullptr;
@@ -50,7 +50,7 @@ int VulkanContextWindows::window_create(DisplayServer::WindowID p_window_id, Dis
 	createInfo.hwnd = p_window;
 	VkSurfaceKHR surface;
 	VkResult err = vkCreateWin32SurfaceKHR(get_instance(), &createInfo, nullptr, &surface);
-	ERR_FAIL_COND_V(err, -1);
+	ERR_FAIL_COND_V(err, ERR_CANT_CREATE);
 	return _window_create(p_window_id, p_vsync_mode, surface, p_width, p_height);
 }
 

platform/windows/vulkan_context_win.h

@@ -40,7 +40,7 @@ class VulkanContextWindows : public VulkanContext {
 	virtual const char *_get_platform_surface_extension() const;
 
 public:
-	int window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, HWND p_window, HINSTANCE p_instance, int p_width, int p_height);
+	Error window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, HWND p_window, HINSTANCE p_instance, int p_width, int p_height);
 
 	VulkanContextWindows();
 	~VulkanContextWindows();