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Dancing timers fix

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Silent 2017-09-23 19:34:28 +02:00
parent 498ef74988
commit e272cce1f3
1 changed files with 73 additions and 0 deletions
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73
SilentPatchSA/SilentPatchSA.cpp
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@ -1417,6 +1417,56 @@ static void CdStreamInitThread()
}
// Dancing timers fix
static long UtilsVariablesInit = 0;
static LARGE_INTEGER UtilsStartTime;
static LARGE_INTEGER* pUtilsFrequency;
static BOOL WINAPI AudioUtilsFrequency( PLARGE_INTEGER lpFrequency )
{
pUtilsFrequency = lpFrequency;
::QueryPerformanceFrequency( lpFrequency );
lpFrequency->QuadPart /= 1000;
return TRUE;
}
static auto* const pAudioUtilsFrequency = &AudioUtilsFrequency;
static int64_t AudioUtilsGetStartTime()
{
QueryPerformanceCounter( &UtilsStartTime );
_InterlockedExchange( &UtilsVariablesInit, 1 );
return UtilsStartTime.QuadPart;
}
static int64_t AudioUtilsGetCurrentTimeInMs()
{
if ( _InterlockedCompareExchange( &UtilsVariablesInit, 0, 0 ) == 0 )
{
return 0;
}
LARGE_INTEGER currentTime;
QueryPerformanceCounter( &currentTime );
return (currentTime.QuadPart - UtilsStartTime.QuadPart) / pUtilsFrequency->QuadPart;
}
#ifndef NDEBUG
// ============= QPC spoof for verifying high timer issues =============
namespace FakeQPC
{
static int64_t AddedTime;
static BOOL WINAPI FakeQueryPerformanceCounter(PLARGE_INTEGER lpPerformanceCount)
{
const BOOL result = ::QueryPerformanceCounter( lpPerformanceCount );
lpPerformanceCount->QuadPart += AddedTime;
return result;
}
}
#endif
#if MEM_VALIDATORS
#include <intrin.h>
@ -2915,6 +2965,22 @@ BOOL InjectDelayedPatches_10()
InjectHook( 0x4063B5 + 2, CdStreamSync::CdStreamShutdownSyncObject_Stub, PATCH_CALL );
}
#ifndef NDEBUG
{
const int QPCDays = GetPrivateProfileIntW(L"Debug", L"AddDaysToQPC", 0, wcModulePath);
if ( QPCDays != 0 )
{
using namespace FakeQPC;
LARGE_INTEGER Freq;
QueryPerformanceFrequency( &Freq );
AddedTime = Freq.QuadPart * QPCDays * 60 * 24;
Patch( 0x8580C8, &FakeQueryPerformanceCounter );
}
}
#endif
FLAUtils::Init();
@ -3905,6 +3971,13 @@ void Patch_SA_10()
Patch<float>(0x5D88F9 + 6, 0);
Patch<float>(0x5D8903 + 6, 0);
Patch<float>(0x5D890D + 6, 0);
// Fixed CAEAudioUtility timers - not typecasting to float so we're not losing precision after X days of PC uptime
// Also fixed integer division by zero
Patch( 0x5B9868 + 2, &pAudioUtilsFrequency );
InjectHook( 0x5B9886, AudioUtilsGetStartTime );
InjectHook( 0x4D9E80, AudioUtilsGetCurrentTimeInMs, PATCH_JUMP );
}
void Patch_SA_11()