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godot/servers/display_server.h
reduz 8b19ffd810 Make Servers truly Thread Safe 
-Rendering server now uses a split RID allocate/initialize internally, this allows generating RIDs immediately but initialization to happen later on the proper thread (as rendering APIs generally requiere to call on the right thread).
-RenderingServerWrapMT is no more, multithreading is done in RenderingServerDefault.
-Some functions like texture or mesh creation, when renderer supports it, can register and return immediately (so no waiting for server API to flush, and saving staging and command buffer memory).
-3D physics server changed to be made multithread friendly.
-Added PhysicsServer3DWrapMT to use 3D physics server from multiple threads.
-Disablet Bullet (too much effort to make multithread friendly, this needs to be fixed eventually).
2021-02-10 13:21:46 -03:00

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/*************************************************************************/
/* display_server.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef DISPLAY_SERVER_H
#define DISPLAY_SERVER_H
#include "core/input/input.h"
#include "core/io/resource.h"
#include "core/os/os.h"
#include "core/variant/callable.h"
class Texture2D;
class DisplayServer : public Object {
GDCLASS(DisplayServer, Object)
static DisplayServer *singleton;
bool vsync_enabled = true;
static bool hidpi_allowed;
public:
_FORCE_INLINE_ static DisplayServer *get_singleton() {
return singleton;
}
enum WindowMode {
WINDOW_MODE_WINDOWED,
WINDOW_MODE_MINIMIZED,
WINDOW_MODE_MAXIMIZED,
WINDOW_MODE_FULLSCREEN
};
typedef DisplayServer *(*CreateFunction)(const String &, WindowMode, uint32_t, const Size2i &, Error &r_error);
typedef Vector<String> (*GetRenderingDriversFunction)();
private:
static void _input_set_mouse_mode(Input::MouseMode p_mode);
static Input::MouseMode _input_get_mouse_mode();
static void _input_warp(const Vector2 &p_to_pos);
static Input::CursorShape _input_get_current_cursor_shape();
static void _input_set_custom_mouse_cursor_func(const RES &, Input::CursorShape, const Vector2 &p_hostspot);
protected:
static void _bind_methods();
enum {
MAX_SERVERS = 64
};
struct DisplayServerCreate {
const char *name;
CreateFunction create_function;
GetRenderingDriversFunction get_rendering_drivers_function;
};
static DisplayServerCreate server_create_functions[MAX_SERVERS];
static int server_create_count;
friend class RendererViewport;
virtual void _set_use_vsync(bool p_enable);
public:
enum Feature {
FEATURE_GLOBAL_MENU,
FEATURE_SUBWINDOWS,
FEATURE_TOUCHSCREEN,
FEATURE_MOUSE,
FEATURE_MOUSE_WARP,
FEATURE_CLIPBOARD,
FEATURE_VIRTUAL_KEYBOARD,
FEATURE_CURSOR_SHAPE,
FEATURE_CUSTOM_CURSOR_SHAPE,
FEATURE_NATIVE_VIDEO,
FEATURE_NATIVE_DIALOG,
FEATURE_CONSOLE_WINDOW,
FEATURE_IME,
FEATURE_WINDOW_TRANSPARENCY,
FEATURE_HIDPI,
FEATURE_ICON,
FEATURE_NATIVE_ICON,
FEATURE_ORIENTATION,
FEATURE_SWAP_BUFFERS,
FEATURE_KEEP_SCREEN_ON,
};
virtual bool has_feature(Feature p_feature) const = 0;
virtual String get_name() const = 0;
virtual void global_menu_add_item(const String &p_menu_root, const String &p_label, const Callable &p_callback, const Variant &p_tag = Variant());
virtual void global_menu_add_check_item(const String &p_menu_root, const String &p_label, const Callable &p_callback, const Variant &p_tag = Variant());
virtual void global_menu_add_submenu_item(const String &p_menu_root, const String &p_label, const String &p_submenu);
virtual void global_menu_add_separator(const String &p_menu_root);
virtual bool global_menu_is_item_checked(const String &p_menu_root, int p_idx) const;
virtual bool global_menu_is_item_checkable(const String &p_menu_root, int p_idx) const;
virtual Callable global_menu_get_item_callback(const String &p_menu_root, int p_idx);
virtual Variant global_menu_get_item_tag(const String &p_menu_root, int p_idx);
virtual String global_menu_get_item_text(const String &p_menu_root, int p_idx);
virtual String global_menu_get_item_submenu(const String &p_menu_root, int p_idx);
virtual void global_menu_set_item_checked(const String &p_menu_root, int p_idx, bool p_checked);
virtual void global_menu_set_item_checkable(const String &p_menu_root, int p_idx, bool p_checkable);
virtual void global_menu_set_item_callback(const String &p_menu_root, int p_idx, const Callable &p_callback);
virtual void global_menu_set_item_tag(const String &p_menu_root, int p_idx, const Variant &p_tag);
virtual void global_menu_set_item_text(const String &p_menu_root, int p_idx, const String &p_text);
virtual void global_menu_set_item_submenu(const String &p_menu_root, int p_idx, const String &p_submenu);
virtual int global_menu_get_item_count(const String &p_menu_root) const;
virtual void global_menu_remove_item(const String &p_menu_root, int p_idx);
virtual void global_menu_clear(const String &p_menu_root);
virtual void alert(const String &p_alert, const String &p_title = "ALERT!") = 0;
enum MouseMode {
MOUSE_MODE_VISIBLE,
MOUSE_MODE_HIDDEN,
MOUSE_MODE_CAPTURED,
MOUSE_MODE_CONFINED
};
virtual void mouse_set_mode(MouseMode p_mode);
virtual MouseMode mouse_get_mode() const;
virtual void mouse_warp_to_position(const Point2i &p_to);
virtual Point2i mouse_get_position() const;
virtual Point2i mouse_get_absolute_position() const;
virtual int mouse_get_button_state() const;
virtual void clipboard_set(const String &p_text);
virtual String clipboard_get() const;
enum {
SCREEN_OF_MAIN_WINDOW = -1
};
virtual int get_screen_count() const = 0;
virtual Point2i screen_get_position(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const = 0;
virtual float screen_get_scale(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
virtual float screen_get_max_scale() const {
float scale = 1.f;
int screen_count = get_screen_count();
for (int i = 0; i < screen_count; i++) {
scale = fmax(scale, screen_get_scale(i));
}
return scale;
}
virtual bool screen_is_touchscreen(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
enum ScreenOrientation {
SCREEN_LANDSCAPE,
SCREEN_PORTRAIT,
SCREEN_REVERSE_LANDSCAPE,
SCREEN_REVERSE_PORTRAIT,
SCREEN_SENSOR_LANDSCAPE,
SCREEN_SENSOR_PORTRAIT,
SCREEN_SENSOR,
};
virtual void screen_set_orientation(ScreenOrientation p_orientation, int p_screen = SCREEN_OF_MAIN_WINDOW);
virtual ScreenOrientation screen_get_orientation(int p_screen = SCREEN_OF_MAIN_WINDOW) const;
virtual void screen_set_keep_on(bool p_enable); //disable screensaver
virtual bool screen_is_kept_on() const;
enum {
MAIN_WINDOW_ID = 0,
INVALID_WINDOW_ID = -1
};
typedef int WindowID;
virtual Vector<DisplayServer::WindowID> get_window_list() const = 0;
enum WindowFlags {
WINDOW_FLAG_RESIZE_DISABLED,
WINDOW_FLAG_BORDERLESS,
WINDOW_FLAG_ALWAYS_ON_TOP,
WINDOW_FLAG_TRANSPARENT,
WINDOW_FLAG_NO_FOCUS,
WINDOW_FLAG_MAX,
};
// Separate enum otherwise we get warnings in switches not handling all values.
enum WindowFlagsBit {
WINDOW_FLAG_RESIZE_DISABLED_BIT = (1 << WINDOW_FLAG_RESIZE_DISABLED),
WINDOW_FLAG_BORDERLESS_BIT = (1 << WINDOW_FLAG_BORDERLESS),
WINDOW_FLAG_ALWAYS_ON_TOP_BIT = (1 << WINDOW_FLAG_ALWAYS_ON_TOP),
WINDOW_FLAG_TRANSPARENT_BIT = (1 << WINDOW_FLAG_TRANSPARENT),
WINDOW_FLAG_NO_FOCUS_BIT = (1 << WINDOW_FLAG_NO_FOCUS)
};
virtual WindowID create_sub_window(WindowMode p_mode, uint32_t p_flags, const Rect2i &p_rect = Rect2i());
virtual void show_window(WindowID p_id);
virtual void delete_sub_window(WindowID p_id);
virtual WindowID get_window_at_screen_position(const Point2i &p_position) const = 0;
virtual void window_attach_instance_id(ObjectID p_instance, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual ObjectID window_get_attached_instance_id(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
enum WindowEvent {
WINDOW_EVENT_MOUSE_ENTER,
WINDOW_EVENT_MOUSE_EXIT,
WINDOW_EVENT_FOCUS_IN,
WINDOW_EVENT_FOCUS_OUT,
WINDOW_EVENT_CLOSE_REQUEST,
WINDOW_EVENT_GO_BACK_REQUEST,
WINDOW_EVENT_DPI_CHANGE,
};
virtual void window_set_window_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_input_event_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_input_text_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_drop_files_callback(const Callable &p_callable, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_title(const String &p_title, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_mouse_passthrough(const Vector<Vector2> &p_region, WindowID p_window = MAIN_WINDOW_ID);
virtual int window_get_current_screen(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_current_screen(int p_screen, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Point2i window_get_position(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_position(const Point2i &p_position, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_set_transient(WindowID p_window, WindowID p_parent) = 0;
virtual void window_set_max_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Size2i window_get_max_size(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_min_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Size2i window_get_min_size(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_size(const Size2i p_size, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual Size2i window_get_size(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual Size2i window_get_real_size(WindowID p_window = MAIN_WINDOW_ID) const = 0; // FIXME: Find clearer name for this.
virtual void window_set_mode(WindowMode p_mode, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual WindowMode window_get_mode(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual bool window_is_maximize_allowed(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual bool window_get_flag(WindowFlags p_flag, WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual void window_request_attention(WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual void window_move_to_foreground(WindowID p_window = MAIN_WINDOW_ID) = 0;
virtual bool window_can_draw(WindowID p_window = MAIN_WINDOW_ID) const = 0;
virtual bool can_any_window_draw() const = 0;
virtual void window_set_ime_active(const bool p_active, WindowID p_window = MAIN_WINDOW_ID);
virtual void window_set_ime_position(const Point2i &p_pos, WindowID p_window = MAIN_WINDOW_ID);
virtual Point2i ime_get_selection() const;
virtual String ime_get_text() const;
virtual void console_set_visible(bool p_enabled);
virtual bool is_console_visible() const;
virtual void virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), bool p_multiline = false, int p_max_length = -1, int p_cursor_start = -1, int p_cursor_end = -1);
virtual void virtual_keyboard_hide();
// returns height of the currently shown virtual keyboard (0 if keyboard is hidden)
virtual int virtual_keyboard_get_height() const;
enum CursorShape {
CURSOR_ARROW,
CURSOR_IBEAM,
CURSOR_POINTING_HAND,
CURSOR_CROSS,
CURSOR_WAIT,
CURSOR_BUSY,
CURSOR_DRAG,
CURSOR_CAN_DROP,
CURSOR_FORBIDDEN,
CURSOR_VSIZE,
CURSOR_HSIZE,
CURSOR_BDIAGSIZE,
CURSOR_FDIAGSIZE,
CURSOR_MOVE,
CURSOR_VSPLIT,
CURSOR_HSPLIT,
CURSOR_HELP,
CURSOR_MAX
};
virtual void cursor_set_shape(CursorShape p_shape);
virtual CursorShape cursor_get_shape() const;
virtual void cursor_set_custom_image(const RES &p_cursor, CursorShape p_shape = CURSOR_ARROW, const Vector2 &p_hotspot = Vector2());
virtual bool get_swap_cancel_ok();
virtual void enable_for_stealing_focus(OS::ProcessID pid);
//plays video natively, in fullscreen, only implemented in mobile for now, likely not possible to implement on linux also.
virtual Error native_video_play(String p_path, float p_volume, String p_audio_track, String p_subtitle_track, int p_screen = SCREEN_OF_MAIN_WINDOW);
virtual bool native_video_is_playing() const;
virtual void native_video_pause();
virtual void native_video_unpause();
virtual void native_video_stop();
virtual Error dialog_show(String p_title, String p_description, Vector<String> p_buttons, const Callable &p_callback);
virtual Error dialog_input_text(String p_title, String p_description, String p_partial, const Callable &p_callback);
virtual int keyboard_get_layout_count() const;
virtual int keyboard_get_current_layout() const;
virtual void keyboard_set_current_layout(int p_index);
virtual String keyboard_get_layout_language(int p_index) const;
virtual String keyboard_get_layout_name(int p_index) const;
virtual void process_events() = 0;
virtual void force_process_and_drop_events();
virtual void release_rendering_thread();
virtual void make_rendering_thread();
virtual void swap_buffers();
virtual void set_native_icon(const String &p_filename);
virtual void set_icon(const Ref<Image> &p_icon);
typedef void (*SwitchVSyncCallbackInThread)(bool);
static SwitchVSyncCallbackInThread switch_vsync_function;
void vsync_set_enabled(bool p_enable);
bool vsync_is_enabled() const;
virtual void vsync_set_use_via_compositor(bool p_enable);
virtual bool vsync_is_using_via_compositor() const;
//real, actual overridable function to switch vsync, which needs to be called from graphics thread if needed
enum Context {
CONTEXT_EDITOR,
CONTEXT_PROJECTMAN,
CONTEXT_ENGINE,
};
virtual void set_context(Context p_context);
static void register_create_function(const char *p_name, CreateFunction p_function, GetRenderingDriversFunction p_get_drivers);
static int get_create_function_count();
static const char *get_create_function_name(int p_index);
static Vector<String> get_create_function_rendering_drivers(int p_index);
static DisplayServer *create(int p_index, const String &p_rendering_driver, WindowMode p_mode, uint32_t p_flags, const Vector2i &p_resolution, Error &r_error);
DisplayServer();
~DisplayServer();
};
VARIANT_ENUM_CAST(DisplayServer::WindowEvent)
VARIANT_ENUM_CAST(DisplayServer::Feature)
VARIANT_ENUM_CAST(DisplayServer::MouseMode)
VARIANT_ENUM_CAST(DisplayServer::ScreenOrientation)
VARIANT_ENUM_CAST(DisplayServer::WindowMode)
VARIANT_ENUM_CAST(DisplayServer::WindowFlags)
VARIANT_ENUM_CAST(DisplayServer::CursorShape)
#endif // DISPLAY_SERVER_H
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