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Sets affinity to a single processor - needed for Windows Vista else rendering is jerky.

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git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@112 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 96dd6e14b17d464feb18c49b7d160475f671ce05
Former-commit-id: b49033ca2875742c4e04ece9b9bd77aabf7eff3a
This commit is contained in:
andrewsumner 2008-10-28 23:37:56 +00:00
parent d5fa8d7774
commit 949730cae3
1 changed files with 20 additions and 0 deletions
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20
src/windows/windowsspec.cpp
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@ -641,6 +641,24 @@ windowsTimeClock(void)
return( D );
}
static void
windowsSetAffinity(void)
{
/* Restrict wtorcs.exe to one CPU core/processor - avoids jerky rendering
* especially under Vista. */
HANDLE hProcess = GetCurrentProcess();
ULONG_PTR ProcAM, SysAM;
GetProcessAffinityMask( hProcess, (PDWORD_PTR) &ProcAM, (PDWORD_PTR) &SysAM );
if (ProcAM > 1)
{
ProcAM = 1;
SetProcessAffinityMask( hProcess, ProcAM );
}
return;
}
/*
* Function
@ -673,6 +691,8 @@ WindowsSpecInit(void)
GfOs.dirGetListFiltered = windowsDirGetListFiltered;
GfOs.timeClock = windowsTimeClock;
windowsSetAffinity();
}