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godot/platform/web/display_server_web.cpp

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/**************************************************************************/
/* display_server_web.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include "display_server_web.h"
#include "dom_keys.inc"
#include "godot_js.h"
#include "os_web.h"
#include "core/config/project_settings.h"
#include "core/object/callable_method_pointer.h"
#include "scene/resources/atlas_texture.h"
#include "servers/rendering/dummy/rasterizer_dummy.h"
#ifdef GLES3_ENABLED
#include "drivers/gles3/rasterizer_gles3.h"
#endif
#include <emscripten.h>
#include <png.h>
#define DOM_BUTTON_LEFT 0
#define DOM_BUTTON_MIDDLE 1
#define DOM_BUTTON_RIGHT 2
#define DOM_BUTTON_XBUTTON1 3
#define DOM_BUTTON_XBUTTON2 4
DisplayServerWeb *DisplayServerWeb::get_singleton() {
return static_cast<DisplayServerWeb *>(DisplayServer::get_singleton());
}
// Window (canvas)
bool DisplayServerWeb::check_size_force_redraw() {
bool size_changed = godot_js_display_size_update() != 0;
if (size_changed && !rect_changed_callback.is_null()) {
Size2i window_size = window_get_size();
Variant size = Rect2i(Point2i(), window_size); // TODO use window_get_position if implemented.
rect_changed_callback.call(size);
emscripten_set_canvas_element_size(canvas_id, window_size.x, window_size.y);
}
return size_changed;
}
void DisplayServerWeb::fullscreen_change_callback(int p_fullscreen) {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_fullscreen_change_callback).bind(p_fullscreen).call_deferred();
return;
}
#endif
_fullscreen_change_callback(p_fullscreen);
}
void DisplayServerWeb::_fullscreen_change_callback(int p_fullscreen) {
DisplayServerWeb *display = get_singleton();
if (p_fullscreen) {
display->window_mode = WINDOW_MODE_FULLSCREEN;
} else {
display->window_mode = WINDOW_MODE_WINDOWED;
}
}
// Drag and drop callback.
void DisplayServerWeb::drop_files_js_callback(const char **p_filev, int p_filec) {
Vector<String> files;
for (int i = 0; i < p_filec; i++) {
files.push_back(String::utf8(p_filev[i]));
}
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_drop_files_js_callback).bind(files).call_deferred();
return;
}
#endif
_drop_files_js_callback(files);
}
void DisplayServerWeb::_drop_files_js_callback(const Vector<String> &p_files) {
DisplayServerWeb *ds = get_singleton();
if (!ds) {
ERR_FAIL_MSG("Unable to drop files because the DisplayServer is not active");
}
if (ds->drop_files_callback.is_null()) {
return;
}
ds->drop_files_callback.call(p_files);
}
// Web quit request callback.
void DisplayServerWeb::request_quit_callback() {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_request_quit_callback).call_deferred();
return;
}
#endif
_request_quit_callback();
}
void DisplayServerWeb::_request_quit_callback() {
DisplayServerWeb *ds = get_singleton();
if (ds && !ds->window_event_callback.is_null()) {
Variant event = int(DisplayServer::WINDOW_EVENT_CLOSE_REQUEST);
ds->window_event_callback.call(event);
}
}
// Keys
void DisplayServerWeb::dom2godot_mod(Ref<InputEventWithModifiers> ev, int p_mod, Key p_keycode) {
if (p_keycode != Key::SHIFT) {
ev->set_shift_pressed(p_mod & 1);
}
if (p_keycode != Key::ALT) {
ev->set_alt_pressed(p_mod & 2);
}
if (p_keycode != Key::CTRL) {
ev->set_ctrl_pressed(p_mod & 4);
}
if (p_keycode != Key::META) {
ev->set_meta_pressed(p_mod & 8);
}
}
void DisplayServerWeb::key_callback(int p_pressed, int p_repeat, int p_modifiers) {
DisplayServerWeb *ds = get_singleton();
JSKeyEvent &key_event = ds->key_event;
const String code = String::utf8(key_event.code);
const String key = String::utf8(key_event.key);
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_key_callback).bind(code, key, p_pressed, p_repeat, p_modifiers).call_deferred();
return;
}
#endif
_key_callback(code, key, p_pressed, p_repeat, p_modifiers);
}
void DisplayServerWeb::_key_callback(const String &p_key_event_code, const String &p_key_event_key, int p_pressed, int p_repeat, int p_modifiers) {
// Resume audio context after input in case autoplay was denied.
OS_Web::get_singleton()->resume_audio();
DisplayServerWeb *ds = get_singleton();
if (ds->ime_started) {
return;
}
char32_t c = 0x00;
String unicode = p_key_event_key;
if (unicode.length() == 1) {
c = unicode[0];
}
Key keycode = dom_code2godot_scancode(p_key_event_code.utf8().get_data(), p_key_event_key.utf8().get_data(), false);
Key scancode = dom_code2godot_scancode(p_key_event_code.utf8().get_data(), p_key_event_key.utf8().get_data(), true);
KeyLocation location = dom_code2godot_key_location(p_key_event_code.utf8().get_data());
DisplayServerWeb::KeyEvent ke;
ke.pressed = p_pressed;
ke.echo = p_repeat;
ke.raw = true;
ke.keycode = fix_keycode(c, keycode);
ke.physical_keycode = scancode;
ke.key_label = fix_key_label(c, keycode);
ke.unicode = fix_unicode(c);
ke.location = location;
ke.mod = p_modifiers;
if (ds->key_event_pos >= ds->key_event_buffer.size()) {
ds->key_event_buffer.resize(1 + ds->key_event_pos);
}
ds->key_event_buffer.write[ds->key_event_pos++] = ke;
// Make sure to flush all events so we can call restricted APIs inside the event.
Input::get_singleton()->flush_buffered_events();
}
// Mouse
int DisplayServerWeb::mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers) {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_mouse_button_callback).bind(p_pressed, p_button, p_x, p_y, p_modifiers).call_deferred();
return true;
}
#endif
return _mouse_button_callback(p_pressed, p_button, p_x, p_y, p_modifiers);
}
int DisplayServerWeb::_mouse_button_callback(int p_pressed, int p_button, double p_x, double p_y, int p_modifiers) {
DisplayServerWeb *ds = get_singleton();
Point2 pos(p_x, p_y);
Ref<InputEventMouseButton> ev;
ev.instantiate();
ev->set_position(pos);
ev->set_global_position(pos);
ev->set_pressed(p_pressed);
dom2godot_mod(ev, p_modifiers, Key::NONE);
switch (p_button) {
case DOM_BUTTON_LEFT:
ev->set_button_index(MouseButton::LEFT);
break;
case DOM_BUTTON_MIDDLE:
ev->set_button_index(MouseButton::MIDDLE);
break;
case DOM_BUTTON_RIGHT:
ev->set_button_index(MouseButton::RIGHT);
break;
case DOM_BUTTON_XBUTTON1:
ev->set_button_index(MouseButton::MB_XBUTTON1);
break;
case DOM_BUTTON_XBUTTON2:
ev->set_button_index(MouseButton::MB_XBUTTON2);
break;
default:
return false;
}
if (p_pressed) {
uint64_t diff = (OS::get_singleton()->get_ticks_usec() / 1000) - ds->last_click_ms;
if (ev->get_button_index() == ds->last_click_button_index) {
if (diff < 400 && Point2(ds->last_click_pos).distance_to(ev->get_position()) < 5) {
ds->last_click_ms = 0;
ds->last_click_pos = Point2(-100, -100);
ds->last_click_button_index = MouseButton::NONE;
ev->set_double_click(true);
}
} else {
ds->last_click_button_index = ev->get_button_index();
}
if (!ev->is_double_click()) {
ds->last_click_ms += diff;
ds->last_click_pos = ev->get_position();
}
}
BitField<MouseButtonMask> mask = Input::get_singleton()->get_mouse_button_mask();
MouseButtonMask button_flag = mouse_button_to_mask(ev->get_button_index());
if (ev->is_pressed()) {
mask.set_flag(button_flag);
} else if (mask.has_flag(button_flag)) {
mask.clear_flag(button_flag);
} else {
// Received release event, but press was outside the canvas, so ignore.
return false;
}
ev->set_button_mask(mask);
Input::get_singleton()->parse_input_event(ev);
// Resume audio context after input in case autoplay was denied.
OS_Web::get_singleton()->resume_audio();
// Make sure to flush all events so we can call restricted APIs inside the event.
Input::get_singleton()->flush_buffered_events();
// Prevent multi-click text selection and wheel-click scrolling anchor.
// Context menu is prevented through contextmenu event.
return true;
}
void DisplayServerWeb::mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers) {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_mouse_move_callback).bind(p_x, p_y, p_rel_x, p_rel_y, p_modifiers).call_deferred();
return;
}
#endif
_mouse_move_callback(p_x, p_y, p_rel_x, p_rel_y, p_modifiers);
}
void DisplayServerWeb::_mouse_move_callback(double p_x, double p_y, double p_rel_x, double p_rel_y, int p_modifiers) {
BitField<MouseButtonMask> input_mask = Input::get_singleton()->get_mouse_button_mask();
// For motion outside the canvas, only read mouse movement if dragging
// started inside the canvas; imitating desktop app behavior.
if (!get_singleton()->cursor_inside_canvas && input_mask.is_empty()) {
return;
}
Point2 pos(p_x, p_y);
Ref<InputEventMouseMotion> ev;
ev.instantiate();
dom2godot_mod(ev, p_modifiers, Key::NONE);
ev->set_button_mask(input_mask);
ev->set_position(pos);
ev->set_global_position(pos);
ev->set_relative(Vector2(p_rel_x, p_rel_y));
ev->set_relative_screen_position(ev->get_relative());
ev->set_velocity(Input::get_singleton()->get_last_mouse_velocity());
ev->set_screen_velocity(ev->get_velocity());
Input::get_singleton()->parse_input_event(ev);
}
// Cursor
const char *DisplayServerWeb::godot2dom_cursor(DisplayServer::CursorShape p_shape) {
switch (p_shape) {
case DisplayServer::CURSOR_ARROW:
return "default";
case DisplayServer::CURSOR_IBEAM:
return "text";
case DisplayServer::CURSOR_POINTING_HAND:
return "pointer";
case DisplayServer::CURSOR_CROSS:
return "crosshair";
case DisplayServer::CURSOR_WAIT:
return "wait";
case DisplayServer::CURSOR_BUSY:
return "progress";
case DisplayServer::CURSOR_DRAG:
return "grab";
case DisplayServer::CURSOR_CAN_DROP:
return "grabbing";
case DisplayServer::CURSOR_FORBIDDEN:
return "no-drop";
case DisplayServer::CURSOR_VSIZE:
return "ns-resize";
case DisplayServer::CURSOR_HSIZE:
return "ew-resize";
case DisplayServer::CURSOR_BDIAGSIZE:
return "nesw-resize";
case DisplayServer::CURSOR_FDIAGSIZE:
return "nwse-resize";
case DisplayServer::CURSOR_MOVE:
return "move";
case DisplayServer::CURSOR_VSPLIT:
return "row-resize";
case DisplayServer::CURSOR_HSPLIT:
return "col-resize";
case DisplayServer::CURSOR_HELP:
return "help";
default:
return "default";
}
}
bool DisplayServerWeb::tts_is_speaking() const {
ERR_FAIL_COND_V_MSG(!tts, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
return godot_js_tts_is_speaking();
}
bool DisplayServerWeb::tts_is_paused() const {
ERR_FAIL_COND_V_MSG(!tts, false, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
return godot_js_tts_is_paused();
}
void DisplayServerWeb::update_voices_callback(int p_size, const char **p_voice) {
Vector<String> voices;
for (int i = 0; i < p_size; i++) {
voices.append(String::utf8(p_voice[i]));
}
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_update_voices_callback).bind(voices).call_deferred();
return;
}
#endif
_update_voices_callback(voices);
}
void DisplayServerWeb::_update_voices_callback(const Vector<String> &p_voices) {
get_singleton()->voices.clear();
for (int i = 0; i < p_voices.size(); i++) {
Vector<String> tokens = p_voices[i].split(";", true, 2);
if (tokens.size() == 2) {
Dictionary voice_d;
voice_d["name"] = tokens[1];
voice_d["id"] = tokens[1];
voice_d["language"] = tokens[0];
get_singleton()->voices.push_back(voice_d);
}
}
}
TypedArray<Dictionary> DisplayServerWeb::tts_get_voices() const {
ERR_FAIL_COND_V_MSG(!tts, TypedArray<Dictionary>(), "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
godot_js_tts_get_voices(update_voices_callback);
return voices;
}
void DisplayServerWeb::tts_speak(const String &p_text, const String &p_voice, int p_volume, float p_pitch, float p_rate, int p_utterance_id, bool p_interrupt) {
ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
if (p_interrupt) {
tts_stop();
}
if (p_text.is_empty()) {
tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, p_utterance_id);
return;
}
CharString string = p_text.utf8();
utterance_ids[p_utterance_id] = string;
godot_js_tts_speak(string.get_data(), p_voice.utf8().get_data(), CLAMP(p_volume, 0, 100), CLAMP(p_pitch, 0.f, 2.f), CLAMP(p_rate, 0.1f, 10.f), p_utterance_id, DisplayServerWeb::js_utterance_callback);
}
void DisplayServerWeb::tts_pause() {
ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
godot_js_tts_pause();
}
void DisplayServerWeb::tts_resume() {
ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
godot_js_tts_resume();
}
void DisplayServerWeb::tts_stop() {
ERR_FAIL_COND_MSG(!tts, "Enable the \"audio/general/text_to_speech\" project setting to use text-to-speech.");
for (const KeyValue<int, CharString> &E : utterance_ids) {
tts_post_utterance_event(DisplayServer::TTS_UTTERANCE_CANCELED, E.key);
}
utterance_ids.clear();
godot_js_tts_stop();
}
void DisplayServerWeb::js_utterance_callback(int p_event, int p_id, int p_pos) {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_js_utterance_callback).bind(p_event, p_id, p_pos).call_deferred();
return;
}
#endif
_js_utterance_callback(p_event, p_id, p_pos);
}
void DisplayServerWeb::_js_utterance_callback(int p_event, int p_id, int p_pos) {
DisplayServerWeb *ds = (DisplayServerWeb *)DisplayServer::get_singleton();
if (ds->utterance_ids.has(p_id)) {
int pos = 0;
if ((TTSUtteranceEvent)p_event == DisplayServer::TTS_UTTERANCE_BOUNDARY) {
// Convert position from UTF-8 to UTF-32.
const CharString &string = ds->utterance_ids[p_id];
for (int i = 0; i < MIN(p_pos, string.length()); i++) {
uint8_t c = string[i];
if ((c & 0xe0) == 0xc0) {
i += 1;
} else if ((c & 0xf0) == 0xe0) {
i += 2;
} else if ((c & 0xf8) == 0xf0) {
i += 3;
}
pos++;
}
} else if ((TTSUtteranceEvent)p_event != DisplayServer::TTS_UTTERANCE_STARTED) {
ds->utterance_ids.erase(p_id);
}
ds->tts_post_utterance_event((TTSUtteranceEvent)p_event, p_id, pos);
}
}
void DisplayServerWeb::cursor_set_shape(CursorShape p_shape) {
ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
if (cursor_shape == p_shape) {
return;
}
cursor_shape = p_shape;
godot_js_display_cursor_set_shape(godot2dom_cursor(cursor_shape));
}
DisplayServer::CursorShape DisplayServerWeb::cursor_get_shape() const {
return cursor_shape;
}
void DisplayServerWeb::cursor_set_custom_image(const Ref<Resource> &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot) {
ERR_FAIL_INDEX(p_shape, CURSOR_MAX);
if (p_cursor.is_valid()) {
Ref<Texture2D> texture = p_cursor;
ERR_FAIL_COND(!texture.is_valid());
Ref<AtlasTexture> atlas_texture = p_cursor;
Size2 texture_size;
Rect2 atlas_rect;
if (atlas_texture.is_valid()) {
texture = atlas_texture->get_atlas();
atlas_rect.size.width = texture->get_width();
atlas_rect.size.height = texture->get_height();
atlas_rect.position.x = atlas_texture->get_region().position.x;
atlas_rect.position.y = atlas_texture->get_region().position.y;
texture_size.width = atlas_texture->get_region().size.x;
texture_size.height = atlas_texture->get_region().size.y;
} else {
texture_size.width = texture->get_width();
texture_size.height = texture->get_height();
}
ERR_FAIL_COND(p_hotspot.x < 0 || p_hotspot.y < 0);
ERR_FAIL_COND(texture_size.width > 256 || texture_size.height > 256);
ERR_FAIL_COND(p_hotspot.x > texture_size.width || p_hotspot.y > texture_size.height);
Ref<Image> image = texture->get_image();
ERR_FAIL_COND(!image.is_valid());
image = image->duplicate(true);
if (image->is_compressed()) {
Error err = image->decompress();
ERR_FAIL_COND_MSG(err != OK, "Couldn't decompress VRAM-compressed custom mouse cursor image. Switch to a lossless compression mode in the Import dock.");
}
if (atlas_texture.is_valid()) {
image->crop_from_point(
atlas_rect.position.x,
atlas_rect.position.y,
texture_size.width,
texture_size.height);
}
if (image->get_format() != Image::FORMAT_RGBA8) {
image->convert(Image::FORMAT_RGBA8);
}
png_image png_meta;
memset(&png_meta, 0, sizeof png_meta);
png_meta.version = PNG_IMAGE_VERSION;
png_meta.width = texture_size.width;
png_meta.height = texture_size.height;
png_meta.format = PNG_FORMAT_RGBA;
PackedByteArray png;
size_t len;
PackedByteArray data = image->get_data();
ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, data.ptr(), 0, nullptr));
png.resize(len);
ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, png.ptrw(), &len, 0, data.ptr(), 0, nullptr));
godot_js_display_cursor_set_custom_shape(godot2dom_cursor(p_shape), png.ptr(), len, p_hotspot.x, p_hotspot.y);
} else {
godot_js_display_cursor_set_custom_shape(godot2dom_cursor(p_shape), nullptr, 0, 0, 0);
}
cursor_set_shape(cursor_shape);
}
// Mouse mode
void DisplayServerWeb::mouse_set_mode(MouseMode p_mode) {
ERR_FAIL_COND_MSG(p_mode == MOUSE_MODE_CONFINED || p_mode == MOUSE_MODE_CONFINED_HIDDEN, "MOUSE_MODE_CONFINED is not supported for the Web platform.");
if (p_mode == mouse_get_mode()) {
return;
}
if (p_mode == MOUSE_MODE_VISIBLE) {
godot_js_display_cursor_set_visible(1);
godot_js_display_cursor_lock_set(0);
} else if (p_mode == MOUSE_MODE_HIDDEN) {
godot_js_display_cursor_set_visible(0);
godot_js_display_cursor_lock_set(0);
} else if (p_mode == MOUSE_MODE_CAPTURED) {
godot_js_display_cursor_set_visible(1);
godot_js_display_cursor_lock_set(1);
}
}
DisplayServer::MouseMode DisplayServerWeb::mouse_get_mode() const {
if (godot_js_display_cursor_is_hidden()) {
return MOUSE_MODE_HIDDEN;
}
if (godot_js_display_cursor_is_locked()) {
return MOUSE_MODE_CAPTURED;
}
return MOUSE_MODE_VISIBLE;
}
Point2i DisplayServerWeb::mouse_get_position() const {
return Input::get_singleton()->get_mouse_position();
}
// Wheel
int DisplayServerWeb::mouse_wheel_callback(double p_delta_x, double p_delta_y) {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_mouse_wheel_callback).bind(p_delta_x, p_delta_y).call_deferred();
return true;
}
#endif
return _mouse_wheel_callback(p_delta_x, p_delta_y);
}
int DisplayServerWeb::_mouse_wheel_callback(double p_delta_x, double p_delta_y) {
if (!godot_js_display_canvas_is_focused() && !godot_js_is_ime_focused()) {
if (get_singleton()->cursor_inside_canvas) {
godot_js_display_canvas_focus();
} else {
return false;
}
}
Input *input = Input::get_singleton();
Ref<InputEventMouseButton> ev;
ev.instantiate();
ev->set_position(input->get_mouse_position());
ev->set_global_position(ev->get_position());
ev->set_shift_pressed(input->is_key_pressed(Key::SHIFT));
ev->set_alt_pressed(input->is_key_pressed(Key::ALT));
ev->set_ctrl_pressed(input->is_key_pressed(Key::CTRL));
ev->set_meta_pressed(input->is_key_pressed(Key::META));
if (p_delta_y < 0) {
ev->set_button_index(MouseButton::WHEEL_UP);
} else if (p_delta_y > 0) {
ev->set_button_index(MouseButton::WHEEL_DOWN);
} else if (p_delta_x > 0) {
ev->set_button_index(MouseButton::WHEEL_LEFT);
} else if (p_delta_x < 0) {
ev->set_button_index(MouseButton::WHEEL_RIGHT);
} else {
return false;
}
// Different browsers give wildly different delta values, and we can't
// interpret deltaMode, so use default value for wheel events' factor.
MouseButtonMask button_flag = mouse_button_to_mask(ev->get_button_index());
BitField<MouseButtonMask> button_mask = input->get_mouse_button_mask();
button_mask.set_flag(button_flag);
ev->set_pressed(true);
ev->set_button_mask(button_mask);
input->parse_input_event(ev);
Ref<InputEventMouseButton> release = ev->duplicate();
release->set_pressed(false);
release->set_button_mask(input->get_mouse_button_mask());
input->parse_input_event(release);
return true;
}
// Touch
void DisplayServerWeb::touch_callback(int p_type, int p_count) {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_touch_callback).bind(p_type, p_count).call_deferred();
return;
}
#endif
_touch_callback(p_type, p_count);
}
void DisplayServerWeb::_touch_callback(int p_type, int p_count) {
DisplayServerWeb *ds = get_singleton();
const JSTouchEvent &touch_event = ds->touch_event;
for (int i = 0; i < p_count; i++) {
Point2 point(touch_event.coords[i * 2], touch_event.coords[i * 2 + 1]);
if (p_type == 2) {
// touchmove
Ref<InputEventScreenDrag> ev;
ev.instantiate();
ev->set_index(touch_event.identifier[i]);
ev->set_position(point);
Point2 &prev = ds->touches[i];
ev->set_relative(ev->get_position() - prev);
ev->set_relative_screen_position(ev->get_relative());
prev = ev->get_position();
Input::get_singleton()->parse_input_event(ev);
} else {
// touchstart/touchend
Ref<InputEventScreenTouch> ev;
// Resume audio context after input in case autoplay was denied.
OS_Web::get_singleton()->resume_audio();
ev.instantiate();
ev->set_index(touch_event.identifier[i]);
ev->set_position(point);
ev->set_pressed(p_type == 0);
ds->touches[i] = point;
Input::get_singleton()->parse_input_event(ev);
// Make sure to flush all events so we can call restricted APIs inside the event.
Input::get_singleton()->flush_buffered_events();
}
}
}
bool DisplayServerWeb::is_touchscreen_available() const {
return godot_js_display_touchscreen_is_available() || (Input::get_singleton() && Input::get_singleton()->is_emulating_touch_from_mouse());
}
// Virtual Keyboard
void DisplayServerWeb::vk_input_text_callback(const char *p_text, int p_cursor) {
String text = String::utf8(p_text);
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_vk_input_text_callback).bind(text, p_cursor).call_deferred();
return;
}
#endif
_vk_input_text_callback(text, p_cursor);
}
void DisplayServerWeb::_vk_input_text_callback(const String &p_text, int p_cursor) {
DisplayServerWeb *ds = DisplayServerWeb::get_singleton();
if (!ds || ds->input_text_callback.is_null()) {
return;
}
// Call input_text
ds->input_text_callback.call(p_text);
// Insert key right to reach position.
Input *input = Input::get_singleton();
Ref<InputEventKey> k;
for (int i = 0; i < p_cursor; i++) {
k.instantiate();
k->set_pressed(true);
k->set_echo(false);
k->set_keycode(Key::RIGHT);
input->parse_input_event(k);
k.instantiate();
k->set_pressed(false);
k->set_echo(false);
k->set_keycode(Key::RIGHT);
input->parse_input_event(k);
}
}
void DisplayServerWeb::virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect, VirtualKeyboardType p_type, int p_max_input_length, int p_cursor_start, int p_cursor_end) {
godot_js_display_vk_show(p_existing_text.utf8().get_data(), p_type, p_cursor_start, p_cursor_end);
}
void DisplayServerWeb::virtual_keyboard_hide() {
godot_js_display_vk_hide();
}
void DisplayServerWeb::window_blur_callback() {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_window_blur_callback).call_deferred();
return;
}
#endif
_window_blur_callback();
}
void DisplayServerWeb::_window_blur_callback() {
Input::get_singleton()->release_pressed_events();
}
// Gamepad
void DisplayServerWeb::gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid) {
String id = p_id;
String guid = p_guid;
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_gamepad_callback).bind(p_index, p_connected, id, guid).call_deferred();
return;
}
#endif
_gamepad_callback(p_index, p_connected, id, guid);
}
void DisplayServerWeb::_gamepad_callback(int p_index, int p_connected, const String &p_id, const String &p_guid) {
Input *input = Input::get_singleton();
if (p_connected) {
input->joy_connection_changed(p_index, true, p_id, p_guid);
} else {
input->joy_connection_changed(p_index, false, "");
}
}
// IME.
void DisplayServerWeb::ime_callback(int p_type, const char *p_text) {
String text = String::utf8(p_text);
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_ime_callback).bind(p_type, text).call_deferred();
return;
}
#endif
_ime_callback(p_type, text);
}
void DisplayServerWeb::_ime_callback(int p_type, const String &p_text) {
DisplayServerWeb *ds = get_singleton();
// Resume audio context after input in case autoplay was denied.
OS_Web::get_singleton()->resume_audio();
switch (p_type) {
case 0: {
// IME start.
ds->ime_text = String();
ds->ime_selection = Vector2i();
for (int i = ds->key_event_pos - 1; i >= 0; i--) {
// Delete last raw keydown event from query.
if (ds->key_event_buffer[i].pressed && ds->key_event_buffer[i].raw) {
ds->key_event_buffer.remove_at(i);
ds->key_event_pos--;
break;
}
}
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_OS_IME_UPDATE);
ds->ime_started = true;
} break;
case 1: {
// IME update.
if (ds->ime_active && ds->ime_started) {
ds->ime_text = p_text;
ds->ime_selection = Vector2i(ds->ime_text.length(), ds->ime_text.length());
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_OS_IME_UPDATE);
}
} break;
case 2: {
// IME commit.
if (ds->ime_active && ds->ime_started) {
ds->ime_started = false;
ds->ime_text = String();
ds->ime_selection = Vector2i();
OS::get_singleton()->get_main_loop()->notification(MainLoop::NOTIFICATION_OS_IME_UPDATE);
String text = p_text;
for (int i = 0; i < text.length(); i++) {
DisplayServerWeb::KeyEvent ke;
ke.pressed = true;
ke.echo = false;
ke.raw = false;
ke.keycode = Key::NONE;
ke.physical_keycode = Key::NONE;
ke.key_label = Key::NONE;
ke.unicode = text[i];
ke.mod = 0;
if (ds->key_event_pos >= ds->key_event_buffer.size()) {
ds->key_event_buffer.resize(1 + ds->key_event_pos);
}
ds->key_event_buffer.write[ds->key_event_pos++] = ke;
}
}
} break;
default:
break;
}
}
void DisplayServerWeb::window_set_ime_active(const bool p_active, WindowID p_window) {
ime_active = p_active;
godot_js_set_ime_active(p_active);
}
void DisplayServerWeb::window_set_ime_position(const Point2i &p_pos, WindowID p_window) {
godot_js_set_ime_position(p_pos.x, p_pos.y);
}
Point2i DisplayServerWeb::ime_get_selection() const {
return ime_selection;
}
String DisplayServerWeb::ime_get_text() const {
return ime_text;
}
void DisplayServerWeb::process_joypads() {
Input *input = Input::get_singleton();
int32_t pads = godot_js_input_gamepad_sample_count();
int32_t s_btns_num = 0;
int32_t s_axes_num = 0;
int32_t s_standard = 0;
float s_btns[16];
float s_axes[10];
for (int idx = 0; idx < pads; idx++) {
int err = godot_js_input_gamepad_sample_get(idx, s_btns, &s_btns_num, s_axes, &s_axes_num, &s_standard);
if (err) {
continue;
}
for (int b = 0; b < s_btns_num; b++) {
// Buttons 6 and 7 in the standard mapping need to be
// axis to be handled as JoyAxis::TRIGGER by Godot.
if (s_standard && (b == 6 || b == 7)) {
input->joy_axis(idx, (JoyAxis)b, s_btns[b]);
} else {
input->joy_button(idx, (JoyButton)b, s_btns[b]);
}
}
for (int a = 0; a < s_axes_num; a++) {
input->joy_axis(idx, (JoyAxis)a, s_axes[a]);
}
}
}
Vector<String> DisplayServerWeb::get_rendering_drivers_func() {
Vector<String> drivers;
#ifdef GLES3_ENABLED
drivers.push_back("opengl3");
#endif
return drivers;
}
// Clipboard
void DisplayServerWeb::update_clipboard_callback(const char *p_text) {
String text = p_text;
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_update_clipboard_callback).bind(text).call_deferred();
return;
}
#endif
_update_clipboard_callback(text);
}
void DisplayServerWeb::_update_clipboard_callback(const String &p_text) {
get_singleton()->clipboard = p_text;
}
void DisplayServerWeb::clipboard_set(const String &p_text) {
clipboard = p_text;
int err = godot_js_display_clipboard_set(p_text.utf8().get_data());
ERR_FAIL_COND_MSG(err, "Clipboard API is not supported.");
}
String DisplayServerWeb::clipboard_get() const {
godot_js_display_clipboard_get(update_clipboard_callback);
return clipboard;
}
void DisplayServerWeb::send_window_event_callback(int p_notification) {
#ifdef PROXY_TO_PTHREAD_ENABLED
if (!Thread::is_main_thread()) {
callable_mp_static(DisplayServerWeb::_send_window_event_callback).bind(p_notification).call_deferred();
return;
}
#endif
_send_window_event_callback(p_notification);
}
void DisplayServerWeb::_send_window_event_callback(int p_notification) {
DisplayServerWeb *ds = get_singleton();
if (!ds) {
return;
}
if (p_notification == DisplayServer::WINDOW_EVENT_MOUSE_ENTER || p_notification == DisplayServer::WINDOW_EVENT_MOUSE_EXIT) {
ds->cursor_inside_canvas = p_notification == DisplayServer::WINDOW_EVENT_MOUSE_ENTER;
}
if (godot_js_is_ime_focused() && (p_notification == DisplayServer::WINDOW_EVENT_FOCUS_IN || p_notification == DisplayServer::WINDOW_EVENT_FOCUS_OUT)) {
return;
}
if (!ds->window_event_callback.is_null()) {
Variant event = int(p_notification);
ds->window_event_callback.call(event);
}
}
void DisplayServerWeb::set_icon(const Ref<Image> &p_icon) {
if (p_icon.is_valid()) {
ERR_FAIL_COND(p_icon->get_width() <= 0 || p_icon->get_height() <= 0);
Ref<Image> icon = p_icon;
if (icon->is_compressed()) {
icon = icon->duplicate();
ERR_FAIL_COND(icon->decompress() != OK);
}
if (icon->get_format() != Image::FORMAT_RGBA8) {
if (icon == p_icon) {
icon = icon->duplicate();
}
icon->convert(Image::FORMAT_RGBA8);
}
png_image png_meta;
memset(&png_meta, 0, sizeof png_meta);
png_meta.version = PNG_IMAGE_VERSION;
png_meta.width = icon->get_width();
png_meta.height = icon->get_height();
png_meta.format = PNG_FORMAT_RGBA;
PackedByteArray png;
size_t len;
PackedByteArray data = icon->get_data();
ERR_FAIL_COND(!png_image_write_get_memory_size(png_meta, len, 0, data.ptr(), 0, nullptr));
png.resize(len);
ERR_FAIL_COND(!png_image_write_to_memory(&png_meta, png.ptrw(), &len, 0, data.ptr(), 0, nullptr));
godot_js_display_window_icon_set(png.ptr(), len);
} else {
godot_js_display_window_icon_set(nullptr, 0);
}
}
void DisplayServerWeb::_dispatch_input_event(const Ref<InputEvent> &p_event) {
Callable cb = get_singleton()->input_event_callback;
if (cb.is_valid()) {
cb.call(p_event);
}
}
DisplayServer *DisplayServerWeb::create_func(const String &p_rendering_driver, WindowMode p_window_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Point2i *p_position, const Size2i &p_resolution, int p_screen, Error &r_error) {
return memnew(DisplayServerWeb(p_rendering_driver, p_window_mode, p_vsync_mode, p_flags, p_position, p_resolution, p_screen, r_error));
}
DisplayServerWeb::DisplayServerWeb(const String &p_rendering_driver, WindowMode p_window_mode, VSyncMode p_vsync_mode, uint32_t p_flags, const Point2i *p_position, const Size2i &p_resolution, int p_screen, Error &r_error) {
r_error = OK; // Always succeeds for now.
tts = GLOBAL_GET("audio/general/text_to_speech");
// Ensure the canvas ID.
godot_js_config_canvas_id_get(canvas_id, 256);
// Handle contextmenu, webglcontextlost
godot_js_display_setup_canvas(p_resolution.x, p_resolution.y, (p_window_mode == WINDOW_MODE_FULLSCREEN || p_window_mode == WINDOW_MODE_EXCLUSIVE_FULLSCREEN), OS::get_singleton()->is_hidpi_allowed() ? 1 : 0);
// Check if it's windows.
swap_cancel_ok = godot_js_display_is_swap_ok_cancel() == 1;
// Expose method for requesting quit.
godot_js_os_request_quit_cb(request_quit_callback);
#ifdef GLES3_ENABLED
bool webgl2_inited = false;
if (godot_js_display_has_webgl(2)) {
EmscriptenWebGLContextAttributes attributes;
emscripten_webgl_init_context_attributes(&attributes);
attributes.alpha = OS::get_singleton()->is_layered_allowed();
attributes.antialias = false;
attributes.majorVersion = 2;
attributes.explicitSwapControl = true;
webgl_ctx = emscripten_webgl_create_context(canvas_id, &attributes);
webgl2_inited = webgl_ctx && emscripten_webgl_make_context_current(webgl_ctx) == EMSCRIPTEN_RESULT_SUCCESS;
}
if (webgl2_inited) {
if (!emscripten_webgl_enable_extension(webgl_ctx, "OVR_multiview2")) {
print_verbose("Failed to enable WebXR extension.");
}
RasterizerGLES3::make_current(false);
} else {
OS::get_singleton()->alert(
"Your browser seems not to support WebGL 2.\n\n"
"If possible, consider updating your browser version and video card drivers.",
"Unable to initialize WebGL 2 video driver");
RasterizerDummy::make_current();
}
#else
RasterizerDummy::make_current();
#endif
// JS Input interface (js/libs/library_godot_input.js)
godot_js_input_mouse_button_cb(&DisplayServerWeb::mouse_button_callback);
godot_js_input_mouse_move_cb(&DisplayServerWeb::mouse_move_callback);
godot_js_input_mouse_wheel_cb(&DisplayServerWeb::mouse_wheel_callback);
godot_js_input_touch_cb(&DisplayServerWeb::touch_callback, touch_event.identifier, touch_event.coords);
godot_js_input_key_cb(&DisplayServerWeb::key_callback, key_event.code, key_event.key);
godot_js_input_paste_cb(&DisplayServerWeb::update_clipboard_callback);
godot_js_input_drop_files_cb(&DisplayServerWeb::drop_files_js_callback);
godot_js_input_gamepad_cb(&DisplayServerWeb::gamepad_callback);
godot_js_set_ime_cb(&DisplayServerWeb::ime_callback, &DisplayServerWeb::key_callback, key_event.code, key_event.key);
// JS Display interface (js/libs/library_godot_display.js)
godot_js_display_fullscreen_cb(&DisplayServerWeb::fullscreen_change_callback);
godot_js_display_window_blur_cb(&DisplayServerWeb::window_blur_callback);
godot_js_display_notification_cb(&DisplayServerWeb::send_window_event_callback,
WINDOW_EVENT_MOUSE_ENTER,
WINDOW_EVENT_MOUSE_EXIT,
WINDOW_EVENT_FOCUS_IN,
WINDOW_EVENT_FOCUS_OUT);
godot_js_display_vk_cb(&DisplayServerWeb::vk_input_text_callback);
Input::get_singleton()->set_event_dispatch_function(_dispatch_input_event);
}
DisplayServerWeb::~DisplayServerWeb() {
#ifdef GLES3_ENABLED
if (webgl_ctx) {
emscripten_webgl_commit_frame();
emscripten_webgl_destroy_context(webgl_ctx);
}
#endif
}
bool DisplayServerWeb::has_feature(Feature p_feature) const {
switch (p_feature) {
//case FEATURE_GLOBAL_MENU:
//case FEATURE_HIDPI:
case FEATURE_ICON:
case FEATURE_CLIPBOARD:
case FEATURE_CURSOR_SHAPE:
case FEATURE_CUSTOM_CURSOR_SHAPE:
case FEATURE_MOUSE:
case FEATURE_TOUCHSCREEN:
return true;
//case FEATURE_MOUSE_WARP:
//case FEATURE_NATIVE_DIALOG:
//case FEATURE_NATIVE_ICON:
//case FEATURE_WINDOW_TRANSPARENCY:
//case FEATURE_KEEP_SCREEN_ON:
//case FEATURE_ORIENTATION:
case FEATURE_IME:
// IME does not work with experimental VK support.
return godot_js_display_vk_available() == 0;
case FEATURE_VIRTUAL_KEYBOARD:
return godot_js_display_vk_available() != 0;
case FEATURE_TEXT_TO_SPEECH:
return tts && (godot_js_display_tts_available() != 0);
default:
return false;
}
}
void DisplayServerWeb::register_web_driver() {
register_create_function("web", create_func, get_rendering_drivers_func);
}
String DisplayServerWeb::get_name() const {
return "web";
}
int DisplayServerWeb::get_screen_count() const {
return 1;
}
int DisplayServerWeb::get_primary_screen() const {
return 0;
}
Point2i DisplayServerWeb::screen_get_position(int p_screen) const {
return Point2i(); // TODO offsetX/Y?
}
Size2i DisplayServerWeb::screen_get_size(int p_screen) const {
int size[2];
godot_js_display_screen_size_get(size, size + 1);
return Size2(size[0], size[1]);
}
Rect2i DisplayServerWeb::screen_get_usable_rect(int p_screen) const {
int size[2];
godot_js_display_window_size_get(size, size + 1);
return Rect2i(0, 0, size[0], size[1]);
}
int DisplayServerWeb::screen_get_dpi(int p_screen) const {
return godot_js_display_screen_dpi_get();
}
float DisplayServerWeb::screen_get_scale(int p_screen) const {
return godot_js_display_pixel_ratio_get();
}
float DisplayServerWeb::screen_get_refresh_rate(int p_screen) const {
return SCREEN_REFRESH_RATE_FALLBACK; // Web doesn't have much of a need for the screen refresh rate, and there's no native way to do so.
}
Vector<DisplayServer::WindowID> DisplayServerWeb::get_window_list() const {
Vector<WindowID> ret;
ret.push_back(MAIN_WINDOW_ID);
return ret;
}
DisplayServerWeb::WindowID DisplayServerWeb::get_window_at_screen_position(const Point2i &p_position) const {
return MAIN_WINDOW_ID;
}
void DisplayServerWeb::window_attach_instance_id(ObjectID p_instance, WindowID p_window) {
window_attached_instance_id = p_instance;
}
ObjectID DisplayServerWeb::window_get_attached_instance_id(WindowID p_window) const {
return window_attached_instance_id;
}
void DisplayServerWeb::window_set_rect_changed_callback(const Callable &p_callable, WindowID p_window) {
rect_changed_callback = p_callable;
}
void DisplayServerWeb::window_set_window_event_callback(const Callable &p_callable, WindowID p_window) {
window_event_callback = p_callable;
}
void DisplayServerWeb::window_set_input_event_callback(const Callable &p_callable, WindowID p_window) {
input_event_callback = p_callable;
}
void DisplayServerWeb::window_set_input_text_callback(const Callable &p_callable, WindowID p_window) {
input_text_callback = p_callable;
}
void DisplayServerWeb::window_set_drop_files_callback(const Callable &p_callable, WindowID p_window) {
drop_files_callback = p_callable;
}
void DisplayServerWeb::window_set_title(const String &p_title, WindowID p_window) {
godot_js_display_window_title_set(p_title.utf8().get_data());
}
int DisplayServerWeb::window_get_current_screen(WindowID p_window) const {
return 1;
}
void DisplayServerWeb::window_set_current_screen(int p_screen, WindowID p_window) {
// Not implemented.
}
Point2i DisplayServerWeb::window_get_position(WindowID p_window) const {
return Point2i();
}
Point2i DisplayServerWeb::window_get_position_with_decorations(WindowID p_window) const {
return Point2i();
}
void DisplayServerWeb::window_set_position(const Point2i &p_position, WindowID p_window) {
// Not supported.
}
void DisplayServerWeb::window_set_transient(WindowID p_window, WindowID p_parent) {
// Not supported.
}
void DisplayServerWeb::window_set_max_size(const Size2i p_size, WindowID p_window) {
// Not supported.
}
Size2i DisplayServerWeb::window_get_max_size(WindowID p_window) const {
return Size2i();
}
void DisplayServerWeb::window_set_min_size(const Size2i p_size, WindowID p_window) {
// Not supported.
}
Size2i DisplayServerWeb::window_get_min_size(WindowID p_window) const {
return Size2i();
}
void DisplayServerWeb::window_set_size(const Size2i p_size, WindowID p_window) {
godot_js_display_desired_size_set(p_size.x, p_size.y);
}
Size2i DisplayServerWeb::window_get_size(WindowID p_window) const {
int size[2];
godot_js_display_window_size_get(size, size + 1);
return Size2i(size[0], size[1]);
}
Size2i DisplayServerWeb::window_get_size_with_decorations(WindowID p_window) const {
return window_get_size(p_window);
}
void DisplayServerWeb::window_set_mode(WindowMode p_mode, WindowID p_window) {
if (window_mode == p_mode) {
return;
}
switch (p_mode) {
case WINDOW_MODE_WINDOWED: {
if (window_mode == WINDOW_MODE_FULLSCREEN) {
godot_js_display_fullscreen_exit();
}
window_mode = WINDOW_MODE_WINDOWED;
} break;
case WINDOW_MODE_EXCLUSIVE_FULLSCREEN:
case WINDOW_MODE_FULLSCREEN: {
int result = godot_js_display_fullscreen_request();
ERR_FAIL_COND_MSG(result, "The request was denied. Remember that enabling fullscreen is only possible from an input callback for the Web platform.");
} break;
case WINDOW_MODE_MAXIMIZED:
case WINDOW_MODE_MINIMIZED:
// WindowMode MAXIMIZED and MINIMIZED are not supported in Web platform.
break;
default:
break;
}
}
DisplayServerWeb::WindowMode DisplayServerWeb::window_get_mode(WindowID p_window) const {
return window_mode;
}
bool DisplayServerWeb::window_is_maximize_allowed(WindowID p_window) const {
return false;
}
void DisplayServerWeb::window_set_flag(WindowFlags p_flag, bool p_enabled, WindowID p_window) {
// Not supported.
}
bool DisplayServerWeb::window_get_flag(WindowFlags p_flag, WindowID p_window) const {
return false;
}
void DisplayServerWeb::window_request_attention(WindowID p_window) {
// Not supported.
}
void DisplayServerWeb::window_move_to_foreground(WindowID p_window) {
// Not supported.
}
bool DisplayServerWeb::window_is_focused(WindowID p_window) const {
return true;
}
bool DisplayServerWeb::window_can_draw(WindowID p_window) const {
return true;
}
bool DisplayServerWeb::can_any_window_draw() const {
return true;
}
DisplayServer::VSyncMode DisplayServerWeb::window_get_vsync_mode(WindowID p_vsync_mode) const {
return DisplayServer::VSYNC_ENABLED;
}
void DisplayServerWeb::process_events() {
Input::get_singleton()->flush_buffered_events();
if (godot_js_input_gamepad_sample() == OK) {
process_joypads();
for (int i = 0; i < key_event_pos; i++) {
const DisplayServerWeb::KeyEvent &ke = key_event_buffer[i];
Ref<InputEventKey> ev;
ev.instantiate();
ev->set_pressed(ke.pressed);
ev->set_echo(ke.echo);
ev->set_keycode(ke.keycode);
ev->set_physical_keycode(ke.physical_keycode);
ev->set_key_label(ke.key_label);
ev->set_unicode(ke.unicode);
ev->set_location(ke.location);
if (ke.raw) {
dom2godot_mod(ev, ke.mod, ke.keycode);
}
Input::get_singleton()->parse_input_event(ev);
}
key_event_pos = 0;
}
}
int DisplayServerWeb::get_current_video_driver() const {
return 1;
}
bool DisplayServerWeb::get_swap_cancel_ok() {
return swap_cancel_ok;
}
void DisplayServerWeb::swap_buffers() {
#ifdef GLES3_ENABLED
if (webgl_ctx) {
emscripten_webgl_commit_frame();
}
#endif
}
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