And including the rest of the cvars from last commit

src/sdl/sdl_glimp.c

@@ -622,13 +622,15 @@ void GLimp_Init( glconfig_t *config )
 	glw_state.config = config; // feedback renderer configuration
 
 	in_nograb = Cvar_Get( "in_nograb", "0", 0 );
-
-	Cvar_SetDescription( in_nograb, "Prevents input grabbing" );
+	Cvar_SetDescription( in_nograb, "Do not capture mouse in game, may be useful during online streaming" );
 
 	r_allowSoftwareGL = Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
+	Cvar_SetDescription( r_allowSoftwareGL, "Toggle the use of the default software OpenGL driver supplied by the Operating System" );
 
 	r_swapInterval = Cvar_Get( "r_swapInterval", "0", CVAR_ARCHIVE | CVAR_LATCH );
+	Cvar_SetDescription( r_swapInterval, "V-blanks to wait before swapping buffers\n 0: No V-Sync\n 1: Synced to the monitor's refresh rate" );
 	r_stereoEnabled = Cvar_Get( "r_stereoEnabled", "0", CVAR_ARCHIVE | CVAR_LATCH );
+	Cvar_SetDescription( r_stereoEnabled, "Enable stereo rendering for techniques like shutter glasses" );
 
 	// Create the window and set up the context
 	err = GLimp_StartDriverAndSetMode( r_mode->integer, r_modeFullscreen->string, r_fullscreen->integer, qfalse );
@@ -717,11 +719,11 @@ void VKimp_Init( glconfig_t *config )
 	Com_DPrintf( "VKimp_Init()\n" );
 
 	in_nograb = Cvar_Get( "in_nograb", "0", 0 );
-
-	Cvar_SetDescription( in_nograb, "Prevents input grabbing" );
+	Cvar_SetDescription( in_nograb, "Do not capture mouse in game, may be useful during online streaming" );
 
 	r_swapInterval = Cvar_Get( "r_swapInterval", "0", CVAR_ARCHIVE | CVAR_LATCH );
 	r_stereoEnabled = Cvar_Get( "r_stereoEnabled", "0", CVAR_ARCHIVE | CVAR_LATCH );
+	Cvar_SetDescription( r_stereoEnabled, "Enable stereo rendering for techniques like shutter glasses" );
 
 	// feedback to renderer configuration
 	glw_state.config = config;

src/sdl/sdl_input.c

@@ -555,6 +555,7 @@ static void IN_InitJoystick( void )
 	int i = 0;
 	int total = 0;
 	char buf[16384] = "";
+	cvar_t *cv;
 
 	if (gamepad)
 		SDL_GameControllerClose(gamepad);
@@ -602,7 +603,11 @@ static void IN_InitJoystick( void )
 		Q_strcat(buf, sizeof(buf), "\n");
 	}
 
-	Cvar_Get( "in_availableJoysticks", buf, CVAR_ROM );
+	cv = Cvar_Get( "in_availableJoysticks", "", CVAR_ROM );
+	Cvar_SetDescription( cv, "List of available Joysticks" );
+
+	// Update cvar on in_restart or controller add/remove.
+	Cvar_Set( "in_availableJoysticks", buf );
 
 	if( !in_joystick->integer ) {
 		Com_DPrintf( "Joystick is not active.\n" );
@@ -611,10 +616,13 @@ static void IN_InitJoystick( void )
 	}
 
 	in_joystickNo = Cvar_Get( "in_joystickNo", "0", CVAR_ARCHIVE );
+	Cvar_SetDescription( in_joystickNo, "Select which joystick to use" );
 	if( in_joystickNo->integer < 0 || in_joystickNo->integer >= total )
 		Cvar_Set( "in_joystickNo", "0" );
 
 	in_joystickUseAnalog = Cvar_Get( "in_joystickUseAnalog", "0", CVAR_ARCHIVE );
+	Cvar_SetDescription( in_joystickUseAnalog, "Do not translate joystick axis events to keyboard commands" );
+	in_joystickThreshold = Cvar_Get( "joy_threshold", "0.15", CVAR_ARCHIVE );
 
 	stick = SDL_JoystickOpen( in_joystickNo->integer );
 
@@ -1389,37 +1397,56 @@ void IN_Init( void )
 	Com_DPrintf( "\n------- Input Initialization -------\n" );
 
 	in_keyboardDebug = Cvar_Get( "in_keyboardDebug", "0", CVAR_ARCHIVE );
+	Cvar_SetDescription( in_keyboardDebug, "Print keyboard debug info" );
 	in_forceCharset = Cvar_Get( "in_forceCharset", "0", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( in_forceCharset, "Try to translate non-ASCII chars in keyboard input or force EN/US keyboard layout" );
 
 	// mouse variables
 	in_mouse = Cvar_Get( "in_mouse", "1", CVAR_ARCHIVE );
 	Cvar_CheckRange( in_mouse, "-1", "1", CV_INTEGER );
+	Cvar_SetDescription( in_mouse,
+		"Mouse data input source:\n" \
+		" -1 - SDL mouse (relative mode disabled)\n" \
+		"  0 - disable mouse input\n" \
+		"  1 - SDL raw mouse (relative mode)" );
 
 #ifdef USE_JOYSTICK
 	in_joystick = Cvar_Get( "in_joystick", "0", CVAR_ARCHIVE|CVAR_LATCH );
+	Cvar_SetDescription( in_joystick, "Whether or not joystick support is on" );
 	in_joystickThreshold = Cvar_Get( "joy_threshold", "0.15", CVAR_ARCHIVE );
+	Cvar_SetDescription( in_joystickThreshold, "Threshold of joystick moving dictance" );
 
 	j_pitch =        Cvar_Get( "j_pitch",        "0.022", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( j_pitch, "Joystick pitch rotation speed/direction" );
 	j_yaw =          Cvar_Get( "j_yaw",          "-0.022", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( j_yaw, "Joystick yaw rotation speed/direction" );
 	j_forward =      Cvar_Get( "j_forward",      "-0.25", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( j_forward, "Joystick forward movement speed/direction" );
 	j_side =         Cvar_Get( "j_side",         "0.25", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( j_side, "Joystick side movement speed/direction" );
 	j_up =           Cvar_Get( "j_up",           "0", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( j_up, "Joystick up movement speed/direction" );
 
 	j_pitch_axis =   Cvar_Get( "j_pitch_axis",   "3", CVAR_ARCHIVE_ND );
-	j_yaw_axis =     Cvar_Get( "j_yaw_axis",     "2", CVAR_ARCHIVE_ND );
-	j_forward_axis = Cvar_Get( "j_forward_axis", "1", CVAR_ARCHIVE_ND );
-	j_side_axis =    Cvar_Get( "j_side_axis",    "0", CVAR_ARCHIVE_ND );
-	j_up_axis =      Cvar_Get( "j_up_axis",      "4", CVAR_ARCHIVE_ND );
-
 	Cvar_CheckRange( j_pitch_axis,   "0", va("%i",MAX_JOYSTICK_AXIS-1), CV_INTEGER );
+	Cvar_SetDescription( j_pitch_axis, "Selects which joystick axis controls pitch" );
+	j_yaw_axis =     Cvar_Get( "j_yaw_axis",     "2", CVAR_ARCHIVE_ND );
 	Cvar_CheckRange( j_yaw_axis,     "0", va("%i",MAX_JOYSTICK_AXIS-1), CV_INTEGER );
+	Cvar_SetDescription( j_yaw_axis, "Selects which joystick axis controls yaw" );
+	j_forward_axis = Cvar_Get( "j_forward_axis", "1", CVAR_ARCHIVE_ND );
 	Cvar_CheckRange( j_forward_axis, "0", va("%i",MAX_JOYSTICK_AXIS-1), CV_INTEGER );
+	Cvar_SetDescription( j_forward_axis, "Selects which joystick axis controls forward/back" );
+	j_side_axis =    Cvar_Get( "j_side_axis",    "0", CVAR_ARCHIVE_ND );
 	Cvar_CheckRange( j_side_axis,    "0", va("%i",MAX_JOYSTICK_AXIS-1), CV_INTEGER );
+	Cvar_SetDescription( j_side_axis, "Selects which joystick axis controls left/right" );
+	j_up_axis =      Cvar_Get( "j_up_axis",      "4", CVAR_ARCHIVE_ND );
 	Cvar_CheckRange( j_up_axis,      "0", va("%i",MAX_JOYSTICK_AXIS-1), CV_INTEGER );
+	Cvar_SetDescription( j_up_axis, "Selects which joystick axis controls up/down" );
 #endif
 
 	// ~ and `, as keys and characters
 	cl_consoleKeys = Cvar_Get( "cl_consoleKeys", "~ ` 0x7e 0x60", CVAR_ARCHIVE );
+	Cvar_SetDescription( cl_consoleKeys, "Space delimited list of key names or characters that toggle the console" );
 
 	mouseAvailable = ( in_mouse->value != 0 ) ? qtrue : qfalse;
 

src/sdl/sdl_snd.c

@@ -247,7 +247,9 @@ qboolean SNDDMA_Init( void )
 		return qtrue;
 
 	s_sdlDevSamps = Cvar_Get( "s_sdlDevSamps", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
+	Cvar_SetDescription( s_sdlDevSamps, "SDL DMA buffer size override" );
 	s_sdlMixSamps = Cvar_Get( "s_sdlMixSamps", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
+	Cvar_SetDescription( s_sdlMixSamps, "SDL mix buffer size override" );
 	s_sdlLevelSamps = Cvar_Get( "s_sdlLevelSamps", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
 	Cvar_CheckRange( s_sdlLevelSamps, "0", "2", CV_INTEGER );
 

src/server/sv_init.c

@@ -903,30 +903,38 @@ void SV_Init( void )
 	Cvar_Get( "sv_keywords", "", CVAR_SERVERINFO );
 	//Cvar_Get( "protocol", va( "%i", PROTOCOL_VERSION ), CVAR_SERVERINFO | CVAR_ROM );
 	sv_mapname = Cvar_Get( "mapname", "nomap", CVAR_SERVERINFO | CVAR_ROM );
+	Cvar_SetDescription( sv_mapname, "Display the name of the current map being used on a server" );
 	sv_privateClients = Cvar_Get( "sv_privateClients", "0", CVAR_SERVERINFO );
 	Cvar_CheckRange( sv_privateClients, "0", va( "%i", MAX_CLIENTS-1 ), CV_INTEGER );
+	Cvar_SetDescription( sv_privateClients, "The number of spots, out of sv_maxclients, reserved for players with the server password (sv_privatePassword)" );
 	sv_hostname = Cvar_Get( "sv_hostname", "ETHost", CVAR_SERVERINFO | CVAR_ARCHIVE );
+	Cvar_SetDescription( sv_hostname, "Sets the name of the server" );
 	sv_maxclients = Cvar_Get( "sv_maxclients", "20", CVAR_SERVERINFO | CVAR_LATCH );               // NERVE - SMF - changed to 20 from 8
 	Cvar_CheckRange( sv_maxclients, "1", XSTRING(MAX_CLIENTS), CV_INTEGER );
+	Cvar_SetDescription( sv_maxclients, "Maximum number of people allowed to join the server dedicated server" );
 
 	sv_maxclientsPerIP = Cvar_Get( "sv_maxclientsPerIP", "3", CVAR_ARCHIVE );
 	Cvar_CheckRange( sv_maxclientsPerIP, "1", NULL, CV_INTEGER );
-	Cvar_SetDescription( sv_maxclientsPerIP, "Limits number of simultaneous connections from the same IP address." );
+	Cvar_SetDescription( sv_maxclientsPerIP, "Limits number of simultaneous connections from the same IP address" );
 
 	sv_clientTLD = Cvar_Get( "sv_clientTLD", "0", CVAR_ARCHIVE_ND );
 	Cvar_CheckRange( sv_clientTLD, NULL, NULL, CV_INTEGER );
+	Cvar_SetDescription( sv_clientTLD, "Client country detection code" );
 
 	sv_minRate = Cvar_Get( "sv_minRate", "0", CVAR_ARCHIVE_ND | CVAR_SERVERINFO );
+	Cvar_SetDescription( sv_minRate, "Minimum server bandwidth (in bit per second) a client can use" );
 	sv_maxRate = Cvar_Get( "sv_maxRate", "0", CVAR_ARCHIVE_ND | CVAR_SERVERINFO );
+	Cvar_SetDescription( sv_maxRate, "Maximum server bandwidth (in bit per second) a client can use" );
 	sv_floodProtect = Cvar_Get( "sv_floodProtect", "1", CVAR_ARCHIVE | CVAR_SERVERINFO );
+	Cvar_SetDescription( sv_floodProtect, "Toggle server flood protection to keep players from bringing the server down" );
 	sv_friendlyFire = Cvar_Get( "g_friendlyFire", "1", CVAR_SERVERINFO | CVAR_ARCHIVE );           // NERVE - SMF
 	sv_maxlives = Cvar_Get( "g_maxlives", "0", CVAR_ARCHIVE | CVAR_LATCH | CVAR_SERVERINFO );      // NERVE - SMF
 	sv_needpass = Cvar_Get( "g_needpass", "0", CVAR_SERVERINFO | CVAR_ROM );
 
 	// systeminfo
 	//bani - added cvar_t for sv_cheats so server engine can reference it
 	sv_cheats = Cvar_Get( "sv_cheats", "1", CVAR_SYSTEMINFO | CVAR_ROM );
-	Cvar_SetDescription( sv_cheats, "Allow cheats" );
+	Cvar_SetDescription( sv_cheats, "Enable cheating commands (serverside or demo playback only)" );
 	sv_serverid = Cvar_Get( "sv_serverid", "0", CVAR_SYSTEMINFO | CVAR_ROM );
 	sv_pure = Cvar_Get( "sv_pure", "1", CVAR_SYSTEMINFO | CVAR_LATCH );
 	Cvar_SetDescription( sv_pure, "Pure server client file checksum verification:\n"
@@ -936,10 +944,13 @@ void SV_Init( void )
 	Cvar_Get( "sv_pakNames", "", CVAR_SYSTEMINFO | CVAR_ROM );
 	Cvar_Get( "sv_referencedPaks", "", CVAR_SYSTEMINFO | CVAR_ROM );
 	sv_referencedPakNames = Cvar_Get( "sv_referencedPakNames", "", CVAR_SYSTEMINFO | CVAR_ROM );
+	Cvar_SetDescription( sv_referencedPakNames, "Variable holds a list of all the pk3 files the server loaded data from" );
 
 	// server vars
 	sv_rconPassword = Cvar_Get( "rconPassword", "", CVAR_TEMP );
+	Cvar_SetDescription( sv_rconPassword, "Password for remote server commands" );
 	sv_privatePassword = Cvar_Get( "sv_privatePassword", "", CVAR_TEMP );
+	Cvar_SetDescription( sv_privatePassword, "Set password for private clients to login with" );
 	sv_fps = Cvar_Get( "sv_fps", "20", CVAR_TEMP );
 	Cvar_CheckRange( sv_fps, "10", "125", CV_INTEGER );
 	Cvar_SetDescription( sv_fps, "Frames per second the server runs at" );
@@ -952,6 +963,7 @@ void SV_Init( void )
 	Cvar_Get ("nextmap", "", CVAR_TEMP );
 
 	sv_allowDownload = Cvar_Get( "sv_allowDownload", "1", CVAR_ARCHIVE|CVAR_SERVERINFO );
+	Cvar_SetDescription( sv_allowDownload, "Toggle the ability for clients to download files maps etc. from server" );
 	Cvar_Get( "sv_dlURL", "", CVAR_SERVERINFO | CVAR_ARCHIVE );
 
 	// moved to Com_Init()
@@ -962,12 +974,17 @@ void SV_Init( void )
 	sv_master[4] = Cvar_Get( "sv_master5", "", CVAR_ARCHIVE_ND );
 	sv_reconnectlimit = Cvar_Get( "sv_reconnectlimit", "3", 0 );
 	Cvar_CheckRange( sv_reconnectlimit, "0", "12", CV_INTEGER );
+	Cvar_SetDescription( sv_reconnectlimit, "Number of seconds a disconnected client should wait before next reconnect" );
 
 	sv_tempbanmessage = Cvar_Get( "sv_tempbanmessage", "You have been kicked and are temporarily banned from joining this server.", 0 );
 	sv_padPackets = Cvar_Get( "sv_padPackets", "0", CVAR_DEVELOPER );
+	Cvar_SetDescription( sv_padPackets, "Adds padding bytes to network packets for rate debugging" );
 	sv_killserver = Cvar_Get( "sv_killserver", "0", 0 );
+	Cvar_SetDescription( sv_killserver, "Internal flag to manage server state" );
 	sv_mapChecksum = Cvar_Get( "sv_mapChecksum", "", CVAR_ROM );
+	Cvar_SetDescription( sv_mapChecksum, "Checksum of the currently loaded map" );
 	sv_lanForceRate = Cvar_Get( "sv_lanForceRate", "1", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( sv_lanForceRate, "Forces LAN clients to the maximum rate instead of accepting client setting" );
 
 	sv_onlyVisibleClients = Cvar_Get( "sv_onlyVisibleClients", "0", 0 );       // DHM - Nerve
 
@@ -1007,6 +1024,8 @@ void SV_Init( void )
 
 	// the download netcode tops at 18/20 kb/s, no need to make you think you can go above
 	sv_dl_maxRate = Cvar_Get( "sv_dl_maxRate", "42000", CVAR_ARCHIVE );
+	//Cvar_CheckRange( sv_dl_maxRate, "0", "100000", CV_INTEGER );
+	Cvar_SetDescription( sv_dl_maxRate, "Bandwidth allotted to PK3 file downloads via UDP, in byte/s" );
 
 	sv_wwwDownload = Cvar_Get( "sv_wwwDownload", "0", CVAR_ARCHIVE );
 	sv_wwwBaseURL = Cvar_Get( "sv_wwwBaseURL", "", CVAR_ARCHIVE );
@@ -1019,6 +1038,7 @@ void SV_Init( void )
 
 #ifdef USE_BANS
 	sv_banFile = Cvar_Get("sv_banFile", "serverbans.dat", CVAR_ARCHIVE);
+	Cvar_SetDescription( sv_banFile, "Name of the file that is used for storing the server bans" );
 #endif
 
 	sv_levelTimeReset = Cvar_Get( "sv_levelTimeReset", "0", CVAR_ARCHIVE_ND );
@@ -1028,6 +1048,7 @@ void SV_Init( void )
 		" however it may be necessary to disable in case of troubles with custom mods similar to ettv" );
 
 	sv_filter = Cvar_Get( "sv_filter", "filter.txt", CVAR_ARCHIVE );
+	Cvar_SetDescription( sv_filter, "Cvar that point to filter file, if it is "" then filtering will be disabled" );
 
 	sv_filterCommands = Cvar_Get( "sv_filterCommands", "1", CVAR_ARCHIVE );
 	Cvar_CheckRange( sv_filterCommands, "0", "2", CV_INTEGER );

src/unix/linux_glimp.c

@@ -1862,16 +1862,18 @@ static void InitCvars( void )
 {
 	// referenced in GLW_StartDriverAndSetMode() so must be inited there
 	in_nograb = Cvar_Get( "in_nograb", "0", 0 );
-
-	Cvar_SetDescription( in_nograb, "Prevents input grabbing" );
+	Cvar_SetDescription( in_nograb, "Do not capture mouse in game, may be useful during online streaming" );
 
 	// turn on-off sub-frame timing of X events, referenced in Sys_XTimeToSysTime
 	in_subframe = Cvar_Get( "in_subframe", "1", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( in_subframe, "Toggle X sub-frame event handling" );
 
 	in_dgamouse = Cvar_Get( "in_dgamouse", "1", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( in_dgamouse, "DGA Mouse support" );
 	in_shiftedKeys = Cvar_Get( "in_shiftedKeys", "0", CVAR_ARCHIVE_ND );
 
 	in_forceCharset = Cvar_Get( "in_forceCharset", "0", CVAR_ARCHIVE_ND );
+	Cvar_SetDescription( in_forceCharset, "Try to translate non-ASCII chars in keyboard input or force EN/US keyboard layout" );
 }
 
 
@@ -2052,13 +2054,11 @@ void IN_Init( void )
 
 	// mouse variables
 	in_mouse = Cvar_Get( "in_mouse", "1", CVAR_ARCHIVE );
-
 	Cvar_CheckRange( in_mouse, "0", "1", CV_INTEGER );
-
 	Cvar_SetDescription( in_mouse,
 		"Mouse data input source:\n" \
 		"  0 - disable mouse input\n" \
-		"  1 - xi/raw mouse" );
+		"  1 - enable mouse input" );
 
 	if ( in_mouse->integer )
 	{
@@ -2072,9 +2072,11 @@ void IN_Init( void )
 #ifdef USE_JOYSTICK
 	// bk001130 - from cvs.17 (mkv), joystick variables
 	in_joystick = Cvar_Get( "in_joystick", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
+	Cvar_SetDescription( in_joystick, "Whether or not joystick support is on" );
 	// bk001130 - changed this to match win32
 	in_joystickDebug = Cvar_Get( "in_debugjoystick", "0", CVAR_TEMP );
 	joy_threshold = Cvar_Get( "joy_threshold", "0.15", CVAR_ARCHIVE_ND ); // FIXME: in_joythreshold
+	Cvar_SetDescription( joy_threshold, "Threshold of joystick moving dictance" );
 
 	IN_StartupJoystick(); // bk001130 - from cvs1.17 (mkv)
 #endif

src/unix/linux_snd.c

@@ -1151,12 +1151,20 @@ void Snd_Memset( void* dest, const int val, const size_t count )
 	Com_Memset( dest, val, count );
 }
 
-qboolean SNDDMA_Init( void )
+static int SNDDMA_KHzToHz( int khz )
 {
-	cvar_t *sndbits;
-	cvar_t *sndspeed;
-	cvar_t *sndchannels;
+	switch ( khz )
+	{
+		case 48: return 48000;
+		case 44: return 44100;
+		default:
+		case 22: return 22050;
+		case 11: return 11025;
+	}
+}
 
+qboolean SNDDMA_Init( void )
+{
 	struct audio_buf_info info;
 	int rc;
 	int fmt;
@@ -1167,9 +1175,6 @@ qboolean SNDDMA_Init( void )
 	if (snd_inited)
 		return qtrue;
 
-	sndbits = Cvar_Get("sndbits", "16", CVAR_ARCHIVE_ND | CVAR_LATCH);
-	sndspeed = Cvar_Get("sndspeed", "0", CVAR_ARCHIVE_ND | CVAR_LATCH);
-	sndchannels = Cvar_Get("sndchannels", "2", CVAR_ARCHIVE_ND |  CVAR_LATCH);
 	snddevice = Cvar_Get("snddevice", "/dev/dsp", CVAR_ARCHIVE_ND | CVAR_LATCH);
 
 	map_size = 0;
@@ -1201,7 +1206,7 @@ qboolean SNDDMA_Init( void )
 	/* SNDCTL_DSP_GETOSPACE moved to be called later */
 
 	// set sample bits & speed
-	dma.samplebits = (int)sndbits->value;
+	dma.samplebits = (int)s_bits->value;
 	if (dma.samplebits != 16 && dma.samplebits != 8) {
 		ioctl(audio_fd, SNDCTL_DSP_GETFMTS, &fmt);
 		if (fmt & AFMT_S16_LE) 
@@ -1210,15 +1215,15 @@ qboolean SNDDMA_Init( void )
 			dma.samplebits = 8;
 	}
 
-	dma.speed = (int)sndspeed->value;
+	dma.speed = SNDDMA_KHzToHz( s_khz->integer );
 	if (!dma.speed) {
 		for (i=0 ; i<sizeof(tryrates)/4 ; i++)
 			if (!ioctl(audio_fd, SNDCTL_DSP_SPEED, &tryrates[i])) 
 				break;
 		dma.speed = tryrates[i];
 	}
 
-	dma.channels = (int)sndchannels->value;
+	dma.channels = (int)s_numchannels->value;
 	if (dma.channels < 1 || dma.channels > 2)
 		dma.channels = 2;
 

src/win32/win_glimp.c

@@ -1447,8 +1447,11 @@ void GLimp_Init( glconfig_t *config )
 	// glimp-specific
 
 	r_maskMinidriver = Cvar_Get( "r_maskMinidriver", "0", CVAR_LATCH );
+	Cvar_SetDescription( r_maskMinidriver, "If set to 1, then a mini driver will be treated as a normal ICD" );
 	r_stereoEnabled = Cvar_Get( "r_stereoEnabled", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
+	Cvar_SetDescription( r_stereoEnabled, "Enable stereo rendering for techniques like shutter glasses" );
 	r_verbose = Cvar_Get( "r_verbose", "0", 0 );
+	Cvar_SetDescription( r_verbose, "Turns on additional startup information when renderer is starting up" );
 
 	// feedback to renderer configuration
 	glw_state.config = config;