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materialsystem/shaderapidx9/winutils.cpp

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+//========= 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