#!/bin/bash
# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo/src/livecd-tools/x-setup,v 1.5 2005/02/03 12:25:48 wolf31o2 Exp $

# Check for an xorg.conf
if [ ! -e /etc/X11/xorg.conf ]
then
	echo "ERROR: /etc/X11/xorg.conf cannot be found! Exiting"
	exit 1
fi

#first, get paths right if we're getting started b4 login
source /etc/profile

echo "0" > /proc/sys/kernel/printk
CMDLINE="`cat /proc/cmdline`"
for x in $CMDLINE
do
        if [ "$x" = "agpgart" ]
        then
			modprobe agpgart > /dev/null 2>&1
        fi
done

GLTYPE=nvidia
#now, for the key component :)
modprobe nvidia > /dev/null 2>&1
if [ "`lsmod | cut -f1 -d\" \" | grep ^nvidia$`" = "nvidia" ]
then
	echo "NVIDIA driver loaded."
else
	modprobe fglrx > /dev/null 2>&1
	if [ "`lsmod | cut -f1 -d\" \" | grep ^fglrx$`" = "fglrx" ]
	then
		echo "ATI driver loaded."
		GLTYPE=ati
	else
		#echo "**********************************************************"
		#echo "NVIDIA or ATI drivers unable to load; aborting."
		#echo "This demo requires modern NVIDIA or ATI graphics hardware."
		#echo "**********************************************************"
		echo ""
		if [ -e /proc/splash ]
		then	
			#echo "*******************************"
			#echo "Entering Vesa browser-only mode"
			#echo "*******************************"
			#sleep 3
			GLTYPE=xorg-x11
		fi
	fi

fi
if [ -x /usr/sbin/opengl-update-livecd ]
then
	/usr/sbin/opengl-update-livecd $GLTYPE
else
	opengl-update $GLTYPE
fi

if [ ! -e /etc/sysconfig/mouse ]
then
	echo "A mouse could not be detected; aborting."
	echo "Please make sure a mouse is attached to your system."
	exit 1
fi
source /etc/sysconfig/mouse

VERTREFRESH="\`ddcxinfo-knoppix -vsync\`"
if [ "$VERTREFRESH" = "0-0" ]
then
	echo "No DDC information detected; assuming reasonable defaults."
	VERTREFRESH=50-80
	HORIZSYNC=30-70
else
	HORIZSYNC="\`ddcxinfo-knoppix -hsync\`"
fi

sed -i -e "s:##MOUSEPROTO##:${XMOUSETYPE}:" \
	-e "s:##MOUSEDEV##:${DEVICE}:" \
	-e "s:##VERTREFRESH##:${VERTREFRESH}:" \
	-e "s:##HORIZSYNC##:${HORIZSYNC}:" \
	-e "s:DefaultColorDepth 16:DefaultColorDepth 24:" \
	/etc/X11/xorg.conf

#exec /usr/X11R6/bin/xinit