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Keep editor at normal priority on windows.

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The multithreaded importer often causes system-wide hangs when importing more than 20 files at a time.
Running the editor at normal priority allows other applications on the system to be responsive during long imports.

(cherry picked from commit ee02a7f785)
This commit is contained in:
Lyuma 2022-03-29 00:01:31 -07:00 committed by Rémi Verschelde
parent 5f05cb8696
commit f28309aa86
1 changed files with 5 additions and 2 deletions
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7
platform/windows/os_windows.cpp
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@ -1627,8 +1627,11 @@ Error OS_Windows::initialize(const VideoMode &p_desired, int p_video_driver, int
set_ime_active(false);
if (!OS::get_singleton()->is_in_low_processor_usage_mode()) {
//SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS);
if (!Engine::get_singleton()->is_editor_hint() && !OS::get_singleton()->is_in_low_processor_usage_mode()) {
// Increase priority for projects that are not in low-processor mode (typically games)
// to reduce the risk of frame stuttering.
// This is not done for the editor to prevent importers or resource bakers
// from making the system unresponsive.
SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS);
DWORD index = 0;
HANDLE handle = AvSetMmThreadCharacteristics("Games", &index);