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Run as "High Priority" on Windows

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Enforcing HIGH_PRIORITY_CLASS is best for Win10+ where Windows Update can interrupt the game and it also prevents streaming apps (OBS/Discord) from causing stutter by taking rendering priority away from ITGMania.

Update ArchHooks_Win32.cpp
This commit is contained in:
sukibaby
2024-05-10 00:33:36 -07:00
committed by teejusb
parent 3d63d80163
commit 3f8a7f5fd3
1 changed files with 3 additions and 16 deletions
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src/arch/ArchHooks/ArchHooks_Win32.cpp
+3 -16
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@@ -150,26 +150,13 @@ void ArchHooks_Win32::SetTime( tm newtime )
void ArchHooks_Win32::BoostPriority() void ArchHooks_Win32::BoostPriority()
{ {
/* We just want a slight boost, so we don't skip needlessly if something happens // Be sure to boost the app, not the thread, to make sure the sound thread stays higher priority than the main thread.
* in the background. We don't really want to be high-priority--above normal should SetPriorityClass( GetCurrentProcess(), HIGH_PRIORITY_CLASS );
* be enough. However, ABOVE_NORMAL_PRIORITY_CLASS is only supported in Win2000
* and later. */
#ifndef ABOVE_NORMAL_PRIORITY_CLASS
#define ABOVE_NORMAL_PRIORITY_CLASS 0x00008000
#endif
DWORD pri = HIGH_PRIORITY_CLASS;
if( IsWindowsVersionOrGreater(HIBYTE(_WIN32_WINNT_WIN2K), LOBYTE(_WIN32_WINNT_WIN2K), 0) )
pri = ABOVE_NORMAL_PRIORITY_CLASS;
/* Be sure to boost the app, not the thread, to make sure the
* sound thread stays higher priority than the main thread. */
SetPriorityClass( GetCurrentProcess(), pri );
} }
void ArchHooks_Win32::UnBoostPriority() void ArchHooks_Win32::UnBoostPriority()
{ {
SetPriorityClass( GetCurrentProcess(), NORMAL_PRIORITY_CLASS ); SetPriorityClass( GetCurrentProcess(), ABOVE_NORMAL_PRIORITY_CLASS );
} }
void ArchHooks_Win32::SetupConcurrentRenderingThread() void ArchHooks_Win32::SetupConcurrentRenderingThread()