- implement r_noborder, inspired by patch from ensiform (#4289)

- Add Sys_SetEnv for portable setting of environment variables
 - Default ioquake3 to appear on the center of the screen if running in windowed mode.

README

@@ -192,6 +192,8 @@ New cvars
                                       intend to use this.
   r_sdlDriver                       - read only, indicates the SDL driver
                                       backend being used
+  r_noborder                        - Remove window decoration from window
+                                      managers, like borders and titlebar.
 
 New commands
   video [filename]        - start video capture (use with demo command)

code/renderer/tr_init.c

@@ -135,6 +135,7 @@ cvar_t	*r_subdivisions;
 cvar_t	*r_lodCurveError;
 
 cvar_t	*r_fullscreen;
+cvar_t  *r_noborder;
 
 cvar_t	*r_customwidth;
 cvar_t	*r_customheight;
@@ -909,6 +910,7 @@ void R_Register( void )
 	r_ignorehwgamma = ri.Cvar_Get( "r_ignorehwgamma", "0", CVAR_ARCHIVE | CVAR_LATCH);
 	r_mode = ri.Cvar_Get( "r_mode", "3", CVAR_ARCHIVE | CVAR_LATCH );
 	r_fullscreen = ri.Cvar_Get( "r_fullscreen", "1", CVAR_ARCHIVE );
+	r_noborder = Cvar_Get("r_noborder", "0", CVAR_ARCHIVE);
 	r_customwidth = ri.Cvar_Get( "r_customwidth", "1600", CVAR_ARCHIVE | CVAR_LATCH );
 	r_customheight = ri.Cvar_Get( "r_customheight", "1024", CVAR_ARCHIVE | CVAR_LATCH );
 	r_customPixelAspect = ri.Cvar_Get( "r_customPixelAspect", "1", CVAR_ARCHIVE | CVAR_LATCH );

code/renderer/tr_local.h

@@ -1043,6 +1043,7 @@ extern	cvar_t	*r_showcluster;
 
 extern cvar_t	*r_mode;				// video mode
 extern cvar_t	*r_fullscreen;
+extern cvar_t	*r_noborder;
 extern cvar_t	*r_gamma;
 extern cvar_t	*r_displayRefresh;		// optional display refresh option
 extern cvar_t	*r_ignorehwgamma;		// overrides hardware gamma capabilities

code/sdl/sdl_glimp.c

@@ -188,7 +188,7 @@ static void GLimp_DetectAvailableModes(void)
 GLimp_SetMode
 ===============
 */
-static int GLimp_SetMode( int mode, qboolean fullscreen )
+static int GLimp_SetMode(int mode, qboolean fullscreen, qboolean noborder)
 {
 	const char*   glstring;
 	int sdlcolorbits;
@@ -249,7 +249,12 @@ static int GLimp_SetMode( int mode, qboolean fullscreen )
 		glConfig.isFullscreen = qtrue;
 	}
 	else
+	{
+		if (noborder)
+			flags |= SDL_NOFRAME;
+
 		glConfig.isFullscreen = qfalse;
+	}
 
 	colorbits = r_colorbits->value;
 	if ((!colorbits) || (colorbits >= 32))
@@ -428,7 +433,7 @@ static int GLimp_SetMode( int mode, qboolean fullscreen )
 GLimp_StartDriverAndSetMode
 ===============
 */
-static qboolean GLimp_StartDriverAndSetMode( int mode, qboolean fullscreen )
+static qboolean GLimp_StartDriverAndSetMode(int mode, qboolean fullscreen, qboolean noborder)
 {
 	rserr_t err;
 
@@ -456,7 +461,7 @@ static qboolean GLimp_StartDriverAndSetMode( int mode, qboolean fullscreen )
 		fullscreen = qfalse;
 	}
 	
-	err = GLimp_SetMode( mode, fullscreen );
+	err = GLimp_SetMode(mode, fullscreen, noborder);
 
 	switch ( err )
 	{
@@ -666,16 +671,18 @@ void GLimp_Init( void )
 	r_sdlDriver = ri.Cvar_Get( "r_sdlDriver", "", CVAR_ROM );
 	r_allowResize = ri.Cvar_Get( "r_allowResize", "0", CVAR_ARCHIVE );
 
+	Sys_SetEnv("SDL_VIDEO_CENTERED", "1");
+
 	Sys_GLimpInit( );
 
 	// Create the window and set up the context
-	if( GLimp_StartDriverAndSetMode( r_mode->integer, r_fullscreen->integer ) )
+	if(GLimp_StartDriverAndSetMode(r_mode->integer, r_fullscreen->integer, r_noborder->integer))
 		goto success;
 
 	// Try again, this time in a platform specific "safe mode"
 	Sys_GLimpSafeInit( );
 
-	if( GLimp_StartDriverAndSetMode( r_mode->integer, r_fullscreen->integer ) )
+	if(GLimp_StartDriverAndSetMode(r_mode->integer, r_fullscreen->integer, qfalse))
 		goto success;
 
 	// Finally, try the default screen resolution
@@ -684,7 +691,7 @@ void GLimp_Init( void )
 		ri.Printf( PRINT_ALL, "Setting r_mode %d failed, falling back on r_mode %d\n",
 				r_mode->integer, R_MODE_FALLBACK );
 
-		if( GLimp_StartDriverAndSetMode( R_MODE_FALLBACK, r_fullscreen->integer ) )
+		if(GLimp_StartDriverAndSetMode(R_MODE_FALLBACK, r_fullscreen->integer, qfalse))
 			goto success;
 	}
 

code/sys/sys_unix.c

@@ -583,3 +583,19 @@ void Sys_PlatformInit( void )
 	signal( SIGIOT, Sys_SigHandler );
 	signal( SIGBUS, Sys_SigHandler );
 }
+
+/*
+==============
+Sys_SetEnv
+
+set/unset environment variables (empty value removes it)
+==============
+*/
+
+void Sys_SetEnv(const char *name, const char *value)
+{
+	if(value && *value)
+		setenv(name, value, 1);
+	else
+		unsetenv(name);
+}

code/sys/sys_win32.c

@@ -652,3 +652,16 @@ void Sys_PlatformInit( void )
 		SDL_VIDEODRIVER_externallySet = qfalse;
 #endif
 }
+
+/*
+==============
+Sys_SetEnv
+
+set/unset environment variables (empty value removes it)
+==============
+*/
+
+void Sys_SetEnv(const char *name, const char *value)
+{
+	_putenv(va("%s=%s", name, value);
+}