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Raised executable priority on windows to avoid stuter, helps #25162

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This commit is contained in:
Juan Linietsky
2019-01-22 16:03:49 -03:00
parent 6a187f6395
commit ab843b1698
2 changed files with 16 additions and 2 deletions
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14
platform/windows/os_windows.cpp
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@ -50,6 +50,7 @@
#include "servers/visual/visual_server_raster.h"
#include "servers/visual/visual_server_wrap_mt.h"
#include "windows_terminal_logger.h"
#include <avrt.h>
#include <process.h>
#include <regstr.h>
@ -1373,6 +1374,19 @@ 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);
SetPriorityClass(GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS);
DWORD index = 0;
HANDLE handle = AvSetMmThreadCharacteristics("Games", &index);
if (handle)
AvSetMmThreadPriority(handle, AVRT_PRIORITY_CRITICAL);
// This is needed to make sure that background work does not starve the main thread.
// This is only setting priority of this thread, not the whole process.
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
}
return OK;
}