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[RichTextLabel] Fix thread unsafe set_physics_process_internal usage. Use WorkerThreadPool instead of creating new threads.

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This commit is contained in:
bruvzg 2023-01-27 22:53:06 +02:00
parent 551f5191e5
commit 0cc1f4240a
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GPG Key ID: 7960FCF39844EC38
3 changed files with 28 additions and 13 deletions
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3
modules/text_server_adv/text_server_adv.cpp
View File

@ -4068,7 +4068,6 @@ void TextServerAdvanced::_realign(ShapedTextDataAdvanced *p_sd) const {
RID TextServerAdvanced::_shaped_text_substr(const RID &p_shaped, int64_t p_start, int64_t p_length) const {
_THREAD_SAFE_METHOD_
const ShapedTextDataAdvanced *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_COND_V(!sd, RID());
@ -5513,6 +5512,7 @@ void TextServerAdvanced::_shape_run(ShapedTextDataAdvanced *p_sd, int64_t p_star
}
bool TextServerAdvanced::_shaped_text_shape(const RID &p_shaped) {
_THREAD_SAFE_METHOD_
ShapedTextDataAdvanced *sd = shaped_owner.get_or_null(p_shaped);
ERR_FAIL_COND_V(!sd, false);
@ -6569,6 +6569,7 @@ TextServerAdvanced::TextServerAdvanced() {
}
void TextServerAdvanced::_cleanup() {
_THREAD_SAFE_METHOD_
for (const KeyValue<SystemFontKey, SystemFontCache> &E : system_fonts) {
const Vector<SystemFontCacheRec> &sysf_cache = E.value.var;
for (const SystemFontCacheRec &F : sysf_cache) {

32
scene/gui/rich_text_label.cpp
View File

@ -1797,7 +1797,9 @@ void RichTextLabel::_notification(int p_what) {
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
queue_redraw();
if (is_visible_in_tree()) {
queue_redraw();
}
} break;
case NOTIFICATION_DRAW: {
@ -2665,19 +2667,26 @@ bool RichTextLabel::_find_layout_subitem(Item *from, Item *to) {
return false;
}
void RichTextLabel::_thread_function(void *self) {
RichTextLabel *rtl = reinterpret_cast<RichTextLabel *>(self);
rtl->set_physics_process_internal(true);
rtl->_process_line_caches();
rtl->set_physics_process_internal(false);
rtl->updating.store(false);
rtl->call_deferred(SNAME("queue_redraw"));
void RichTextLabel::_thread_function(void *p_userdata) {
_process_line_caches();
updating.store(false);
call_deferred(SNAME("thread_end"));
}
void RichTextLabel::_thread_end() {
set_physics_process_internal(false);
if (is_visible_in_tree()) {
queue_redraw();
}
}
void RichTextLabel::_stop_thread() {
if (threaded) {
stop_thread.store(true);
thread.wait_to_finish();
if (task != WorkerThreadPool::INVALID_TASK_ID) {
WorkerThreadPool::get_singleton()->wait_for_task_completion(task);
task = WorkerThreadPool::INVALID_TASK_ID;
}
}
}
@ -2787,7 +2796,8 @@ bool RichTextLabel::_validate_line_caches() {
if (threaded) {
updating.store(true);
loaded.store(true);
thread.start(RichTextLabel::_thread_function, reinterpret_cast<void *>(this));
task = WorkerThreadPool::get_singleton()->add_template_task(this, &RichTextLabel::_thread_function, nullptr, true, vformat("RichTextLabelShape:%x", (int64_t)get_instance_id()));
set_physics_process_internal(true);
loading_started = OS::get_singleton()->get_ticks_msec();
return false;
} else {
@ -5457,6 +5467,8 @@ void RichTextLabel::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_menu"), &RichTextLabel::get_menu);
ClassDB::bind_method(D_METHOD("is_menu_visible"), &RichTextLabel::is_menu_visible);
ClassDB::bind_method(D_METHOD("_thread_end"), &RichTextLabel::_thread_end);
// Note: set "bbcode_enabled" first, to avoid unnecessary "text" resets.
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "bbcode_enabled"), "set_use_bbcode", "is_using_bbcode");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT), "set_text", "get_text");

6
scene/gui/rich_text_label.h
View File

@ -31,6 +31,7 @@
#ifndef RICH_TEXT_LABEL_H
#define RICH_TEXT_LABEL_H
#include "core/object/worker_thread_pool.h"
#include "rich_text_effect.h"
#include "scene/gui/popup_menu.h"
#include "scene/gui/scroll_bar.h"
@ -369,7 +370,7 @@ private:
Item *current = nullptr;
ItemFrame *current_frame = nullptr;
Thread thread;
WorkerThreadPool::TaskID task = WorkerThreadPool::INVALID_TASK_ID;
Mutex data_mutex;
bool threaded = false;
std::atomic<bool> stop_thread;
@ -409,7 +410,8 @@ private:
void _invalidate_current_line(ItemFrame *p_frame);
static void _thread_function(void *self);
void _thread_function(void *p_userdata);
void _thread_end();
void _stop_thread();
bool _validate_line_caches();
void _process_line_caches();