improved multi-monitor support and added r_monitor

only apply hw gamma ramps where and when needed
fixed the start-up console window staying visible when starting in full-screen
black window background to avoid the white flashes when hw gamma is enabled

code/qcommon/common.cpp

@@ -2252,7 +2252,6 @@ void Com_Init( char *commandLine )
 #ifndef DEDICATED
 		CL_Init();
 #endif
-		Sys_ShowConsole( com_viewlog->integer, qfalse );
 	}
 
 	// set com_frameTime so that if a map is started on the
@@ -2279,6 +2278,10 @@ void Com_Init( char *commandLine )
 	CL_StartHunkUsers();
 #endif
 
+	// moved to fix the console window staying visible when starting the game in full-screen mode
+	if ( !com_dedicated->integer )
+		Sys_ShowConsole( com_viewlog->integer, qfalse );
+
 	// make sure single player is off by default
 	Cvar_Set( "sv_singlePlayer", "0" );
 

code/qcommon/q_shared.c

@@ -46,6 +46,18 @@ float Com_Clamp( float min, float max, float value )
 }
 
 
+int Com_ClampInt( int min, int max, int value )
+{
+	if ( value < min ) {
+		return min;
+	}
+	if ( value > max ) {
+		return max;
+	}
+	return value;
+}
+
+
 const char* COM_SkipPath( const char* pathname )
 {
 	const char* last = pathname;

code/qcommon/q_shared.h

@@ -508,6 +508,7 @@ void QDECL Com_Printf( const char* msg, ... );
 void QDECL Com_sprintf (char *dest, int size, const char *fmt, ...);
 
 float Com_Clamp( float min, float max, float value );
+int Com_ClampInt( int min, int max, int value );
 
 const char* COM_SkipPath( const char* pathname );
 void COM_StripExtension( const char* in, char* out, int destsize );

code/win32/glw_win.h

@@ -32,17 +32,16 @@ extern "C" {
 
 typedef struct
 {
-	HDC     hDC;			// handle to device context
-	HGLRC   hGLRC;			// handle to GL rendering context
-	HINSTANCE hinstOpenGL;	// HINSTANCE for the OpenGL library
-
-	int desktopWidth, desktopHeight, desktopBPP;
-
-	qbool cdsFullscreen;
-	qbool pixelFormatSet;
-	int nPendingPF;
-
-	qbool gammaRampSet; // qtrue if our custom ramp is active
+	// The main window's rendering context is the only one we can ever keep around
+	// because the window class has the CS_OWNDC style set (for OpenGL).
+	HDC			hDC;
+	HGLRC		hGLRC;
+	HINSTANCE	hinstOpenGL;
+	int			desktopWidth, desktopHeight, desktopBPP;
+	qbool		cdsFullscreen;
+	qbool		pixelFormatSet;
+	int			nPendingPF;
+	qbool		gammaRampSet; // qtrue if our custom ramp is active
 } glwstate_t;
 
 extern glwstate_t glw_state;

code/win32/win_glimp.cpp

@@ -464,7 +464,7 @@ static qbool GLW_CreateWindow( int width, int height, int colorbits )
 		wc.hInstance     = g_wv.hInstance;
 		wc.hIcon         = LoadIcon( g_wv.hInstance, MAKEINTRESOURCE(IDI_ICON1));
 		wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
-		wc.hbrBackground = (HBRUSH)COLOR_GRAYTEXT;
+		wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
 		wc.lpszMenuName  = 0;
 		wc.lpszClassName = CLIENT_WINDOW_TITLE;
 
@@ -475,55 +475,55 @@ static qbool GLW_CreateWindow( int width, int height, int colorbits )
 		ri.Printf( PRINT_DEVELOPER, "...registered window class\n" );
 	}
 
-
-	RECT r;
-	int x, y, w, h;
-
 	//
 	// create the HWND if one does not already exist
 	//
 	if ( !g_wv.hWnd )
 	{
-		//
-		// compute width and height
-		//
+		RECT r;
 		r.left = 0;
 		r.top = 0;
 		r.right  = width;
 		r.bottom = height;
 
-		int style = WS_VISIBLE | WS_SYSMENU;
+		int style = WS_VISIBLE | WS_CLIPCHILDREN;
 		int exstyle;
 
 		if ( glInfo.isFullscreen )
 		{
-			style |= WS_POPUP;
+			// WS_BORDER fixes the single black flash that happens when reloading a map
+			// right after switching from windowed mode to full-screen
+			style |= WS_POPUP | WS_BORDER;
 			exstyle = WS_EX_TOPMOST;
 		}
 		else
 		{
-			style |= WS_OVERLAPPED | WS_BORDER | WS_CAPTION;
+			style |= WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU;
 			exstyle = 0;
 			AdjustWindowRect( &r, style, FALSE );
 		}
 
-		w = r.right - r.left;
-		h = r.bottom - r.top;
+		const int w = r.right - r.left;
+		const int h = r.bottom - r.top;
 
-		if ( glInfo.isFullscreen )
+		WIN_GetStartUpMonitorIndex();
+		const RECT monRect = g_wv.monitorRects[g_wv.monitor];
+
+		int dx = 0;
+		int dy = 0;
+
+		if ( !glInfo.isFullscreen )
 		{
-			x = 0;
-			y = 0;
-		}
-		else
-		{
-			const cvar_t* vid_xpos = ri.Cvar_Get( "vid_xpos", "", 0 );
-			const cvar_t* vid_ypos = ri.Cvar_Get( "vid_ypos", "", 0 );
-			x = vid_xpos->integer;
-			y = vid_ypos->integer;
+			dx = ri.Cvar_Get( "vid_xpos", "0", 0 )->integer;
+			dy = ri.Cvar_Get( "vid_ypos", "0", 0 )->integer;
+			dx = Com_ClampInt( 0, max( 0, monRect.right - monRect.left - w ), dx );
+			dy = Com_ClampInt( 0, max( 0, monRect.bottom - monRect.top - h ), dy );
 		}
 
-		g_wv.hWnd = CreateWindowEx( exstyle, CLIENT_WINDOW_TITLE, CLIENT_WINDOW_TITLE, style,
+		const int x = monRect.left + dx;
+		const int y = monRect.top + dy;
+
+		g_wv.hWnd = CreateWindowEx( exstyle, CLIENT_WINDOW_TITLE, " "CLIENT_WINDOW_TITLE, style,
 				x, y, w, h, NULL, NULL, g_wv.hInstance, NULL );
 
 		if ( !g_wv.hWnd )
@@ -842,15 +842,66 @@ static void GLW_CheckHardwareGamma()
 }
 
 
+static void GLW_UpdateGammaMonitorInfo()
+{
+	const int screenCount = GetSystemMetrics( SM_CMONITORS );
+	if ( screenCount <= 1 )
+	{
+		g_wv.hGammaMonitor = NULL;
+		g_wv.gammaMonitorName[0] = '\0';
+		return;
+	}
+
+	RECT rect;
+	GetWindowRect( g_wv.hWnd, &rect );
+	const HMONITOR hMonitor = MonitorFromRect( &rect, MONITOR_DEFAULTTONEAREST );
+
+	MONITORINFOEX info;
+	ZeroMemory( &info, sizeof( info ) );
+	info.cbSize = sizeof( MONITORINFOEX );
+	if ( GetMonitorInfo( hMonitor, &info ) )
+	{
+		g_wv.hGammaMonitor = hMonitor;
+		Q_strncpyz( g_wv.gammaMonitorName, info.szDevice, sizeof( g_wv.gammaMonitorName ) );
+	}
+}
+
+
+static void GLW_RestoreGammaRamp( HDC hDC )
+{
+	if ( SetDeviceGammaRamp( hDC, s_oldHardwareGamma ) )
+		glw_state.gammaRampSet = qfalse;
+}
+
+
 void GLW_RestoreGamma()
 {
 	if (!glConfig.deviceSupportsGamma || !glw_state.gammaRampSet)
 		return;
 
-	HDC hDC = GetDC( GetDesktopWindow() );
-	if ( SetDeviceGammaRamp( hDC, s_oldHardwareGamma ) )
-		glw_state.gammaRampSet = qfalse;
-	ReleaseDC( GetDesktopWindow(), hDC );
+	if ( g_wv.hGammaMonitor )
+	{
+		const HDC hDC = CreateDC( "DISPLAY", g_wv.gammaMonitorName, NULL, NULL );
+		GLW_RestoreGammaRamp( hDC );
+		DeleteDC( hDC );
+	}
+	else
+	{
+		GLW_RestoreGammaRamp( glw_state.hDC );
+	}
+}
+
+
+static void GLW_SetGammaRamp( HDC hDC, LPVOID lpRamp )
+{
+	if ( SetDeviceGammaRamp( hDC, lpRamp ) ) 
+	{
+		glw_state.gammaRampSet = qtrue;
+	}
+	else
+	{
+		Com_Printf( "SetDeviceGammaRamp failed.\n" );
+	}
 }
 
 
@@ -879,10 +930,16 @@ void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned
 		}
 	}
 
-	if ( SetDeviceGammaRamp( glw_state.hDC, table ) ) {
-		glw_state.gammaRampSet = qtrue;
-	} else {
-		Com_Printf( "SetDeviceGammaRamp failed.\n" );
+	GLW_UpdateGammaMonitorInfo();
+	if ( g_wv.hGammaMonitor )
+	{
+		const HDC hDC = CreateDC( "DISPLAY", g_wv.gammaMonitorName, NULL, NULL );
+		GLW_SetGammaRamp( hDC, table );
+		DeleteDC( hDC );
+	}
+	else
+	{
+		GLW_SetGammaRamp( glw_state.hDC, table );
 	}
 }
 
@@ -1088,3 +1145,14 @@ void GLimp_WakeRenderer( void *data ) {
 	WaitForSingleObject( renderActiveEvent, INFINITE );
 }
 
+
+void WIN_UpdateHardwareGammaRamp( qbool enable )
+{
+	if ( !glConfig.deviceSupportsGamma )
+		return;
+
+	if ( enable )
+		R_SetColorMappings();
+	else
+		GLW_RestoreGamma();
+}

code/win32/win_local.h

@@ -38,6 +38,9 @@ qbool	IN_ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam ); // returns tr
 void	IN_Frame();
 void	IN_Shutdown();
 
+void WIN_GetStartUpMonitorIndex();
+void WIN_GetMonitorIndexFromMainWindow();
+void WIN_UpdateHardwareGammaRamp( qbool enable );
 
 void SNDDMA_Activate();
 
@@ -45,6 +48,8 @@ LRESULT CALLBACK MainWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
 
 void GLW_RestoreGamma();
 
+#define MAX_MONITOR_COUNT 16
+
 typedef struct
 {
 	HWND		hWnd;
@@ -54,7 +59,16 @@ typedef struct
 
 	// when we get a windows message, we store the time off
 	// so keyboard processing can know the exact time of an event
-	unsigned		sysMsgTime;
+	unsigned	sysMsgTime;
+
+	HMONITOR	hGammaMonitor;
+	char		gammaMonitorName[CCHDEVICENAME];
+
+	RECT		monitorRects[MAX_MONITOR_COUNT];
+	HMONITOR	hMonitors[MAX_MONITOR_COUNT];
+	int			monitor; // index of the monitor currently used for display
+	int			primaryMonitor;
+	int			monitorCount;
 } WinVars_t;
 
 extern WinVars_t	g_wv;

code/win32/win_main.cpp

@@ -559,7 +559,81 @@ void Sys_Init()
 ///////////////////////////////////////////////////////////////
 
 
-static int WinMainImpl( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow )
+static BOOL CALLBACK WIN_MonitorEnumCallback( HMONITOR hMonitor, HDC hdcMonitor, LPRECT lprcMonitor, LPARAM dwData )
+{
+	if ( lprcMonitor )
+	{
+		g_wv.monitorRects[g_wv.monitorCount] = *lprcMonitor;
+		g_wv.hMonitors[g_wv.monitorCount] = hMonitor;
+		g_wv.monitorCount++;
+	}
+
+	if ( g_wv.monitorCount >= MAX_MONITOR_COUNT )
+	{
+		return FALSE;
+	}
+	
+	return TRUE;
+}
+
+
+static void WIN_GetMonitorList()
+{
+	EnumDisplayMonitors( NULL, NULL, &WIN_MonitorEnumCallback, 0 );
+
+	const POINT zero = { 0, 0 };
+	const HMONITOR hMonitor = MonitorFromPoint( zero, MONITOR_DEFAULTTOPRIMARY );
+	for ( int i = 0; i < g_wv.monitorCount; i++ )
+	{
+		if ( hMonitor ==  g_wv.hMonitors[i] )
+		{
+			g_wv.primaryMonitor = i;
+			g_wv.monitor = i;
+			break;
+		}
+	}
+}
+
+
+void WIN_GetStartUpMonitorIndex()
+{
+	static qbool called = qfalse;
+
+	if ( called )
+		return;
+
+	called = qtrue;
+
+	// r_monitor is the 1-based monitor index the user asks for
+	const int monitor = Cvar_Get( "r_monitor", "0", CVAR_ARCHIVE )->integer;
+	if ( monitor <= 0 || monitor > g_wv.monitorCount )
+	{
+		g_wv.monitor = g_wv.primaryMonitor;
+		return;
+	}
+
+	g_wv.monitor = monitor - 1;
+}
+
+
+void WIN_GetMonitorIndexFromMainWindow()
+{
+	const HMONITOR hMonitor = MonitorFromWindow( g_wv.hWnd, MONITOR_DEFAULTTONEAREST );
+	for ( int i = 0; i < g_wv.monitorCount; i++ )
+	{
+		if ( hMonitor == g_wv.hMonitors[i] )
+		{
+			g_wv.monitor = i;
+			break;
+		}
+	}
+}
+
+
+///////////////////////////////////////////////////////////////
+
+
+int WINAPI WinMainImpl( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow )
 {
 	// should never get a previous instance in Win32
 	if ( hPrevInstance )
@@ -567,6 +641,8 @@ static int WinMainImpl( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCm
 
 	g_wv.hInstance = hInstance;
 
+	WIN_GetMonitorList();
+
 	// done before Com/Sys_Init since we need this for error output
 	Sys_CreateConsole();
 

code/win32/win_syscon.cpp

@@ -294,14 +294,12 @@ LONG WINAPI InputLineWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
 */
 void Sys_CreateConsole( void )
 {
-	HDC hDC;
-	WNDCLASS wc;
-	RECT rect;
+	const int desiredw = 540;
+	const int desiredh = 450;
 	const char *DEDCLASS = "Q3 WinConsole";
-	int nHeight;
-	int swidth, sheight;
-	int DEDSTYLE = WS_POPUPWINDOW | WS_CAPTION | WS_MINIMIZEBOX;
+	const DWORD DEDSTYLE = WS_POPUPWINDOW | WS_CAPTION | WS_MINIMIZEBOX;
 
+	WNDCLASS wc;
 	memset( &wc, 0, sizeof( wc ) );
 
 	wc.style         = 0;
@@ -318,25 +316,30 @@ void Sys_CreateConsole( void )
 	if ( !RegisterClass (&wc) )
 		return;
 
+	RECT rect;
 	rect.left = 0;
-	rect.right = 540;
+	rect.right = desiredw;
 	rect.top = 0;
-	rect.bottom = 450;
+	rect.bottom = desiredh;
 	AdjustWindowRect( &rect, DEDSTYLE, FALSE );
 
-	hDC = GetDC( GetDesktopWindow() );
-	swidth = GetDeviceCaps( hDC, HORZRES );
-	sheight = GetDeviceCaps( hDC, VERTRES );
-	ReleaseDC( GetDesktopWindow(), hDC );
+	const RECT monRect = g_wv.monitorRects[g_wv.monitor];
+	const int swidth = monRect.right - monRect.left;
+	const int sheight = monRect.bottom - monRect.top;
+	const int x = monRect.left + (swidth - desiredw) / 2;
+	const int y = monRect.top + (sheight - desiredh) / 2;
+	const int w = rect.right - rect.left + 1;
+	const int h = rect.bottom - rect.top + 1;
 
-	s_wcd.windowWidth = rect.right - rect.left + 1;
-	s_wcd.windowHeight = rect.bottom - rect.top + 1;
+	s_wcd.windowWidth = w;
+	s_wcd.windowHeight = h;
 
 	s_wcd.hWnd = CreateWindowEx( 0,
 							   DEDCLASS,
-							   CONSOLE_WINDOW_TITLE,
+							   " "CONSOLE_WINDOW_TITLE,
 							   DEDSTYLE,
-							   ( swidth - 600 ) / 2, ( sheight - 450 ) / 2 , rect.right - rect.left + 1, rect.bottom - rect.top + 1,
+							   x, y,
+							   w, h,
 							   NULL,
 							   NULL,
 							   g_wv.hInstance,
@@ -350,8 +353,8 @@ void Sys_CreateConsole( void )
 	//
 	// create fonts
 	//
-	hDC = GetDC( s_wcd.hWnd );
-	nHeight = -MulDiv( 8, GetDeviceCaps( hDC, LOGPIXELSY), 72);
+	const HDC hDC = GetDC( s_wcd.hWnd );
+	const int nHeight = -MulDiv( 8, GetDeviceCaps( hDC, LOGPIXELSY ), 72 );
 
 	s_wcd.hfBufferFont = CreateFont( nHeight,
 									  0,

code/win32/win_wndproc.cpp

@@ -86,6 +86,8 @@ static void VID_AppActivate( BOOL fActive, BOOL minimize )
 	// we don't want to act like we're active if we're minimized
 	g_wv.activeApp = (fActive && !g_wv.isMinimized);
 
+	WIN_UpdateHardwareGammaRamp( g_wv.activeApp );
+
 	// minimize/restore mouse-capture on demand
 	IN_Activate( g_wv.activeApp );
 }
@@ -272,25 +274,27 @@ LRESULT CALLBACK MainWndProc (
 		{
 			if (!r_fullscreen->integer )
 			{
-				int xPos = (short)LOWORD(lParam);    // horizontal position
-				int yPos = (short)HIWORD(lParam);    // vertical position
+				WIN_GetMonitorIndexFromMainWindow();
 
 				RECT r;
 				r.left   = 0;
 				r.top    = 0;
 				r.right  = 1;
 				r.bottom = 1;
-
 				AdjustWindowRect( &r, GetWindowLong( hWnd, GWL_STYLE ), FALSE );
 				
-				Cvar_SetValue( "vid_xpos", xPos + r.left );
-				Cvar_SetValue( "vid_ypos", yPos + r.top );
+				const RECT monRect = g_wv.monitorRects[g_wv.monitor];
+				const int x = LOWORD( lParam );
+				const int y = HIWORD( lParam );
+				Cvar_SetValue( "vid_xpos", x + r.left - monRect.left );
+				Cvar_SetValue( "vid_ypos", y + r.top - monRect.top );
 				vid_xpos->modified = qfalse;
 				vid_ypos->modified = qfalse;
-				if ( g_wv.activeApp )
-				{
-					IN_Activate (qtrue);
-				}
+				// @TODO: fix this broken mess
+                if ( g_wv.activeApp )
+                {
+                    IN_Activate (qtrue);
+                }
 			}
 		}
 		break;