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Merge pull request #98385 from RandomShaper/thread_yield

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Rationalize busy waits
This commit is contained in:
Rémi Verschelde 2024-12-20 23:56:39 +01:00
commit 8a743f23e6
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GPG key ID: C3336907360768E1
7 changed files with 30 additions and 22 deletions
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31
editor/editor_file_system.cpp
View file

@ -3027,9 +3027,9 @@ void EditorFileSystem::_refresh_filesystem() {
}
void EditorFileSystem::_reimport_thread(uint32_t p_index, ImportThreadData *p_import_data) {
int current_max = p_import_data->reimport_from + int(p_index);
p_import_data->max_index.exchange_if_greater(current_max);
_reimport_file(p_import_data->reimport_files[current_max].path);
int file_idx = p_import_data->reimport_from + int(p_index);
_reimport_file(p_import_data->reimport_files[file_idx].path);
p_import_data->imported_sem->post();
}
void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
@ -3108,6 +3108,7 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
#endif
int from = 0;
Semaphore imported_sem;
for (int i = 0; i < reimport_files.size(); i++) {
if (groups_to_reimport.has(reimport_files[i].path)) {
from = i + 1;
@ -3131,21 +3132,27 @@ void EditorFileSystem::reimport_files(const Vector<String> &p_files) {
importer->import_threaded_begin();
ImportThreadData tdata;
tdata.max_index.set(from);
tdata.reimport_from = from;
tdata.reimport_files = reimport_files.ptr();
tdata.imported_sem = &imported_sem;
WorkerThreadPool::GroupID group_task = WorkerThreadPool::get_singleton()->add_template_group_task(this, &EditorFileSystem::_reimport_thread, &tdata, i - from + 1, -1, false, vformat(TTR("Import resources of type: %s"), reimport_files[from].importer));
int current_index = from - 1;
do {
if (current_index < tdata.max_index.get()) {
current_index = tdata.max_index.get();
ep->step(reimport_files[current_index].path.get_file(), current_index, false);
int item_count = i - from + 1;
WorkerThreadPool::GroupID group_task = WorkerThreadPool::get_singleton()->add_template_group_task(this, &EditorFileSystem::_reimport_thread, &tdata, item_count, -1, false, vformat(TTR("Import resources of type: %s"), reimport_files[from].importer));
int imported_count = 0;
while (true) {
ep->step(reimport_files[imported_count].path.get_file(), from + imported_count, false);
imported_sem.wait();
do {
imported_count++;
} while (imported_sem.try_wait());
if (imported_count == item_count) {
break;
}
OS::get_singleton()->delay_usec(1);
} while (!WorkerThreadPool::get_singleton()->is_group_task_completed(group_task));
}
WorkerThreadPool::get_singleton()->wait_for_group_task_completion(group_task);
DEV_ASSERT(!imported_sem.try_wait());
importer->import_threaded_end();
}

2
editor/editor_file_system.h
View file

@ -342,7 +342,7 @@ class EditorFileSystem : public Node {
struct ImportThreadData {
const ImportFile *reimport_files;
int reimport_from;
SafeNumeric<int> max_index;
Semaphore *imported_sem = nullptr;
};
void _reimport_thread(uint32_t p_index, ImportThreadData *p_import_data);

4
editor/editor_log.cpp
View file

@ -398,9 +398,7 @@ void EditorLog::_add_log_line(LogMessage &p_message, bool p_replace_previous) {
if (p_replace_previous) {
// Force sync last line update (skip if number of unprocessed log messages is too large to avoid editor lag).
if (log->get_pending_paragraphs() < 100) {
while (!log->is_finished()) {
::OS::get_singleton()->delay_usec(1);
}
log->wait_until_finished();
}
}

1
editor/editor_node.cpp
View file

@ -5497,7 +5497,6 @@ bool EditorNode::immediate_confirmation_dialog(const String &p_text, const Strin
cd->popup_centered();
while (true) {
OS::get_singleton()->delay_usec(1);
DisplayServer::get_singleton()->process_events();
Main::iteration();
if (singleton->immediate_dialog_confirmed || !cd->is_visible()) {

1
modules/gltf/editor/editor_scene_importer_blend.cpp
View file

@ -574,7 +574,6 @@ bool EditorFileSystemImportFormatSupportQueryBlend::query() {
confirmed = false;
while (true) {
OS::get_singleton()->delay_usec(1);
DisplayServer::get_singleton()->process_events();
Main::iteration();
if (!configure_blender_dialog->is_visible() || confirmed) {

12
scene/gui/rich_text_label.cpp
View file

@ -2881,10 +2881,7 @@ void RichTextLabel::_thread_end() {
void RichTextLabel::_stop_thread() {
if (threaded) {
stop_thread.store(true);
if (task != WorkerThreadPool::INVALID_TASK_ID) {
WorkerThreadPool::get_singleton()->wait_for_task_completion(task);
task = WorkerThreadPool::INVALID_TASK_ID;
}
wait_until_finished();
}
}
@ -2908,6 +2905,13 @@ bool RichTextLabel::is_updating() const {
return updating.load() || validating.load();
}
void RichTextLabel::wait_until_finished() {
if (task != WorkerThreadPool::INVALID_TASK_ID) {
WorkerThreadPool::get_singleton()->wait_for_task_completion(task);
task = WorkerThreadPool::INVALID_TASK_ID;
}
}
void RichTextLabel::set_threaded(bool p_threaded) {
if (threaded != p_threaded) {
_stop_thread();

1
scene/gui/rich_text_label.h
View file

@ -809,6 +809,7 @@ public:
int get_pending_paragraphs() const;
bool is_finished() const;
bool is_updating() const;
void wait_until_finished();
void set_threaded(bool p_threaded);
bool is_threaded() const;