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Qt: add more Qt blockingMapped workarounds

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This probably won't fix anything, but better be safe than sorry
This commit is contained in:
Megamouse 2021-07-10 13:10:04 +02:00
parent 7f7bd961e2
commit f4d0261387
2 changed files with 12 additions and 11 deletions
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6
rpcs3/rpcs3qt/save_manager_dialog.cpp
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@ -273,7 +273,8 @@ void save_manager_dialog::UpdateList()
return icon; return icon;
}; };
const QList<QPixmap> icons = QtConcurrent::blockingMapped<QList<QPixmap>>(indices, get_icon); // NOTE: Due to a Qt bug in Qt 5.15.2, QtConcurrent::blockingMapped has a high risk of deadlocking. So let's just use QtConcurrent::mapped.
const QList<QPixmap> icons = QtConcurrent::mapped(indices, get_icon).results();
for (int i = 0; i < icons.count(); ++i) for (int i = 0; i < icons.count(); ++i)
{ {
@ -370,7 +371,8 @@ void save_manager_dialog::UpdateIcons()
return GetResizedIcon(i); return GetResizedIcon(i);
}; };
QList<QPixmap> scaled = QtConcurrent::blockingMapped<QList<QPixmap>>(indices, get_scaled); // NOTE: Due to a Qt bug in Qt 5.15.2, QtConcurrent::blockingMapped has a high risk of deadlocking. So let's just use QtConcurrent::mapped.
const QList<QPixmap> scaled = QtConcurrent::mapped(indices, get_scaled).results();
for (int i = 0; i < m_list->rowCount() && i < scaled.count(); ++i) for (int i = 0; i < m_list->rowCount() && i < scaled.count(); ++i)
{ {

17
rpcs3/rpcs3qt/trophy_manager_dialog.cpp
View file

@ -513,7 +513,8 @@ void trophy_manager_dialog::ResizeGameIcons()
return GetResizedGameIcon(i); return GetResizedGameIcon(i);
}; };
QList<QPixmap> scaled = QtConcurrent::blockingMapped<QList<QPixmap>>(indices, get_scaled); // NOTE: Due to a Qt bug in Qt 5.15.2, QtConcurrent::blockingMapped has a high risk of deadlocking. So let's just use QtConcurrent::mapped.
const QList<QPixmap> scaled = QtConcurrent::mapped(indices, get_scaled).results();
for (int i = 0; i < m_game_table->rowCount() && i < scaled.count(); ++i) for (int i = 0; i < m_game_table->rowCount() && i < scaled.count(); ++i)
{ {
@ -578,17 +579,14 @@ void trophy_manager_dialog::ResizeTrophyIcons()
}; };
// NOTE: Due to a Qt bug, QtConcurrent::blockingMapped has a high risk of deadlocking // NOTE: Due to a Qt bug in Qt 5.15.2, QtConcurrent::blockingMapped has a high risk of deadlocking. So let's just use QtConcurrent::mapped.
// during the QPixmap operations in get_scaled. So let's just use QtConcurrent::mapped. const QList<QPixmap> scaled = QtConcurrent::mapped(trophy_ids, get_scaled).results();
QFutureWatcher<QPixmap> watcher;
watcher.setFuture(QtConcurrent::mapped(trophy_ids, get_scaled));
watcher.waitForFinished();
for (int i = 0; i < m_trophy_table->rowCount() && i < watcher.future().resultCount(); ++i) for (int i = 0; i < m_trophy_table->rowCount() && i < scaled.count(); ++i)
{ {
QTableWidgetItem* icon_item = m_trophy_table->item(i, TrophyColumns::Icon); QTableWidgetItem* icon_item = m_trophy_table->item(i, TrophyColumns::Icon);
if (icon_item) if (icon_item)
icon_item->setData(Qt::DecorationRole, watcher.future().resultAt(i)); icon_item->setData(Qt::DecorationRole, scaled.at(i));
} }
ReadjustTrophyTable(); ReadjustTrophyTable();
@ -747,7 +745,8 @@ void trophy_manager_dialog::PopulateGameTable()
return icon; return icon;
}; };
QList<QPixmap> icons = QtConcurrent::blockingMapped<QList<QPixmap>>(indices, get_icon); // NOTE: Due to a Qt bug in Qt 5.15.2, QtConcurrent::blockingMapped has a high risk of deadlocking. So let's just use QtConcurrent::mapped.
const QList<QPixmap> icons = QtConcurrent::mapped(indices, get_icon).results();
for (int i = 0; i < indices.count(); ++i) for (int i = 0; i < indices.count(); ++i)
{ {