4 files changed, 46 insertions, 13 deletions

diff --git a/src/skel/crossplatform.h b/src/skel/crossplatform.h
index a21877c1..678d3ec4 100644
--- a/src/skel/crossplatform.h
+++ b/src/skel/crossplatform.h
@@ -4,7 +4,7 @@
 // Functions that's different on glfw and win but have same signature, should be located on platform.h.
 
 #ifdef _WIN32
-// This only has <windef.h> as Win header.
+// This only has <windef.h> as Windows header, which is lighter (as long as WITHWINDOWS isn't defined / <Windows.h> isn't included).
 #include "win.h"
 extern DWORD _dwOperatingSystemVersion;
 #else
diff --git a/src/skel/glfw/glfw.cpp b/src/skel/glfw/glfw.cpp
index 8b479681..a0a5a171 100644
--- a/src/skel/glfw/glfw.cpp
+++ b/src/skel/glfw/glfw.cpp
@@ -63,7 +63,7 @@ static psGlobalType PsGlobal;
 #undef MAKEPOINTS
 #define MAKEPOINTS(l)		(*((POINTS /*FAR*/ *)&(l)))
 
-unsigned long _dwMemAvailPhys;
+size_t _dwMemAvailPhys;
 RwUInt32 gGameState;
 
 #ifdef _WIN32
diff --git a/src/skel/win/win.cpp b/src/skel/win/win.cpp
index 93f9b8f2..f8e5c38e 100644
--- a/src/skel/win/win.cpp
+++ b/src/skel/win/win.cpp
@@ -19,7 +19,12 @@
 
 #pragma warning( push )
 #pragma warning( disable : 4005)
+
+#ifdef USE_D3D9
+#include <d3d9.h>
+#else
 #include <d3d8.h>
+#endif
 #include <ddraw.h>
 #include <dinput.h>
 #include <DShow.h>
@@ -27,7 +32,9 @@
 
 #define WM_GRAPHNOTIFY	WM_USER+13
 
+#ifndef USE_D3D9
 #pragma comment( lib, "d3d8.lib" )
+#endif
 #pragma comment( lib, "ddraw.lib" )
 #pragma comment( lib, "Winmm.lib" )
 #pragma comment( lib, "dxguid.lib" )
@@ -102,7 +109,7 @@ IMediaSeeking *pMS = nil;
 
 DWORD dwDXVersion;
 SIZE_T _dwMemTotalPhys;
-SIZE_T _dwMemAvailPhys;
+size_t _dwMemAvailPhys;
 SIZE_T _dwMemTotalVirtual;
 SIZE_T _dwMemAvailVirtual;
 DWORD _dwMemTotalVideo;
@@ -453,6 +460,16 @@ DWORD GetDXVersion()
 	dwDXVersion = 0x700;
 	pDD7->Release();
 
+#ifdef USE_D3D9
+	HINSTANCE hD3D9DLL = LoadLibrary("D3D9.DLL");
+	if (hD3D9DLL != nil) {
+		FreeLibrary(hDDrawDLL);
+		FreeLibrary(hD3D9DLL);
+
+		dwDXVersion = 0x900;
+		return dwDXVersion;
+	}
+#endif
 
 	//-------------------------------------------------------------------------
 	// DirectX 8.0 Checks
@@ -502,6 +519,7 @@ DWORD GetDXVersion()
 /*
  *****************************************************************************
  */
+#ifndef _WIN64
 static char cpuvendor[16] = "UnknownVendr";
 __declspec(naked)  const char * _psGetCpuVendr()
 {
@@ -575,6 +593,7 @@ void _psPrintCpuInfo()
 	if ( FeaturesEx & 0x80000000 )
 		debug("with 3DNow");
 }
+#endif
 
 /*
  *****************************************************************************
@@ -650,9 +669,9 @@ psInitialize(void)
 	
 	gGameState = GS_START_UP;
 	TRACE("gGameState = GS_START_UP");
-	
+#ifndef _WIN64
 	_psPrintCpuInfo();
-	
+#endif
 	OSVERSIONINFO verInfo;
 	verInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 	
@@ -1298,8 +1317,11 @@ RwBool IsForegroundApp()
 
 UINT GetBestRefreshRate(UINT width, UINT height, UINT depth)
 {
+#ifdef USE_D3D9
+	LPDIRECT3D9 d3d = Direct3DCreate9(D3D_SDK_VERSION);
+#else
 	LPDIRECT3D8 d3d = Direct3DCreate8(D3D_SDK_VERSION);
-	
+#endif
 	ASSERT(d3d != nil);
 	
 	UINT refreshRate = INT_MAX;
@@ -1312,14 +1334,21 @@ UINT GetBestRefreshRate(UINT width, UINT height, UINT depth)
 	else
 		format = D3DFMT_R5G6B5;
 	
+#ifdef USE_D3D9
+	UINT modeCount = d3d->GetAdapterModeCount(GcurSel, format);
+#else
 	UINT modeCount = d3d->GetAdapterModeCount(GcurSel);
-	
+#endif
+
 	for ( UINT i = 0; i < modeCount; i++ )
 	{
 		D3DDISPLAYMODE mode;
 		
+#ifdef USE_D3D9
+		d3d->EnumAdapterModes(GcurSel, format, i, &mode);
+#else
 		d3d->EnumAdapterModes(GcurSel, i, &mode);
-		
+#endif	
 		if ( mode.Width == width && mode.Height == height && mode.Format == format )
 		{
 			if ( mode.RefreshRate == 0 )
@@ -1612,7 +1641,7 @@ CommandLineToArgv(RwChar *cmdLine, RwInt32 *argCount)
 	RwInt32 i, len;
 	RwChar *res, *str, **aptr;
 
-	len = strlen(cmdLine);
+	len = (int)strlen(cmdLine);
 
 	/* 
 	 * Count the number of arguments...
@@ -1700,11 +1729,11 @@ void InitialiseLanguage()
 {
 	WORD primUserLCID	= PRIMARYLANGID(GetSystemDefaultLCID());
 	WORD primSystemLCID = PRIMARYLANGID(GetUserDefaultLCID());
-	WORD primLayout		= PRIMARYLANGID((DWORD)GetKeyboardLayout(0));
+	WORD primLayout		= PRIMARYLANGID((DWORD_PTR)GetKeyboardLayout(0));
 	
 	WORD subUserLCID	= SUBLANGID(GetSystemDefaultLCID());
 	WORD subSystemLCID	= SUBLANGID(GetUserDefaultLCID());
-	WORD subLayout		= SUBLANGID((DWORD)GetKeyboardLayout(0));
+	WORD subLayout		= SUBLANGID((DWORD_PTR)GetKeyboardLayout(0));
 	
 	if (   primUserLCID	  == LANG_GERMAN
 		|| primSystemLCID == LANG_GERMAN
diff --git a/src/skel/win/win.h b/src/skel/win/win.h
index eb32cb72..9427822d 100644
--- a/src/skel/win/win.h
+++ b/src/skel/win/win.h
@@ -9,8 +9,12 @@
 #endif /* (!defined(RSREGSETBREAKALLOC)) */
 
 #ifndef _INC_WINDOWS
-#define _X86_
-#include <windef.h>
+	#ifdef _WIN64
+		#define _AMD64_
+	#else
+		#define _X86_
+	#endif
+	#include <windef.h>
 #endif
 
 enum eWinVersion