source-engine/materialsystem/shaderapidx9/winutils.cpp

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// winutils.cpp
//
//===========================================================================//
#include "winutils.h"
#ifndef _WIN32
#include "appframework/ilaunchermgr.h"
// LINUX path taken from //Steam/main/src/tier0/platform_posix.cpp - Returns installed RAM in MB.
static unsigned long GetInstalledRAM()
{
unsigned long ulTotalRamMB = 2047;
#ifdef LINUX
char rgchLine[256];
FILE *fpMemInfo = fopen( "/proc/meminfo", "r" );
if ( !fpMemInfo )
return ulTotalRamMB;
const char *pszSearchString = "MemTotal:";
const uint cchSearchString = strlen( pszSearchString );
while ( fgets( rgchLine, sizeof(rgchLine), fpMemInfo ) )
{
if ( !strncasecmp( pszSearchString, rgchLine, cchSearchString ) )
{
char *pszVal = rgchLine+cchSearchString;
while( isspace(*pszVal) )
++pszVal;
ulTotalRamMB = atol( pszVal ) / 1024; // go from kB to MB
break;
}
}
fclose( fpMemInfo );
#endif
// 128 Gb limit for now (should future proof us for a while)
ulTotalRamMB = MIN( ulTotalRamMB, 1024 * 128 );
return ulTotalRamMB;
}
void GlobalMemoryStatus( MEMORYSTATUS *pOut )
{
unsigned long nInstalledRamInMB = GetInstalledRAM();
// For safety assume at least 128MB
nInstalledRamInMB = MAX( nInstalledRamInMB, 128 );
uint64 ulTotalRam = static_cast<uint64>( nInstalledRamInMB ) * ( 1024 * 1024 );
ulTotalRam = MIN( ulTotalRam, 0xFFFFFFFF );
pOut->dwTotalPhys = static_cast<SIZE_T>( ulTotalRam );
}
void Sleep( unsigned int ms )
{
DebuggerBreak();
ThreadSleep( ms );
}
bool IsIconic( VD3DHWND hWnd )
{
// FIXME for now just act non-minimized all the time
//DebuggerBreak();
return false;
}
BOOL ClientToScreen( VD3DHWND hWnd, LPPOINT pPoint )
{
DebuggerBreak();
return true;
}
void* GetCurrentThread()
{
DebuggerBreak();
return 0;
}
void SetThreadAffinityMask( void *hThread, int nMask )
{
DebuggerBreak();
}
bool GUID::operator==( const struct _GUID &other ) const
{
DebuggerBreak();
return memcmp( this, &other, sizeof( GUID ) ) == 0;
}
#endif