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# xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "ServerLayout"
	
	# Uncomment if you have a wacom tablet
	#	InputDevice     "stylus"	"SendCoreEvents"
	#	InputDevice     "cursor"	"SendCoreEvents"
	#	InputDevice     "eraser"	"SendCoreEvents"
	Identifier	"Default Layout"
  screen 0 "aticonfig-Screen[0]" 0 0
	Inputdevice	"Generic Keyboard"
	Inputdevice	"Configured Mouse"
EndSection

Section "Files"
EndSection

Section "Module"
	Load		"dbe"
	Load		"dri"
	Load		"glx"
	Load		"GLcore"
	Load		"v4l"
EndSection

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"it"
	Option		"XkbOptions"	"lv3:ralt_switch"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"	"/dev/input/mice"
	Option		"Protocol"	"ImPS/2"
	Option		"ZAxisMapping"	"4 5"
	Option		"Emulate3Buttons"	"true"
EndSection

Section "InputDevice"
	Identifier	"stylus"
	Driver		"wacom"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"	"stylus"
	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
EndSection

Section "InputDevice"
	Identifier	"eraser"
	Driver		"wacom"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"	"eraser"
	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
EndSection

Section "InputDevice"
	Identifier	"cursor"
	Driver		"wacom"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"	"cursor"
	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
EndSection

Section "Monitor"
	Identifier	"Monitor Generico"
	Vendorname	"Generic LCD Display"
	Modelname	"LCD Panel 1024x768"
	Horizsync	31.5	-	48.0
	Vertrefresh	56.0	-	65.0
	Gamma	1
  modeline  "640x480@60" 25.2 640 656 752 800 480 490 492 525 -hsync -vsync
  modeline  "800x600@56" 36.0 800 824 896 1024 600 601 603 625 +hsync +vsync
  modeline  "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
  modeline  "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -hsync -vsync
EndSection

Section "Monitor"
	
	# 
	Identifier	"monitor1"
	Gamma	1
EndSection

Section "Monitor"
	Identifier	"aticonfig-Monitor[0]"
	Option		"VendorName"	"ATI Proprietary Driver"
	Option		"ModelName"	"Generic Autodetecting Monitor"
	Option		"DPMS"	"true"
EndSection

Section "Device"
	Identifier	"ATI Technologies Inc RV410 [Radeon X700]"
	Driver		"fglrx"
	Boardname	"ati"
	Option		"MergedFB"	"off"
	Option		"VideoOverlay"	"on"
	Option		"OpenGLOverlay"	"off"
	Busid		"PCI:1:0:0"
EndSection

Section "Device"
	
	# 
	Identifier	"device1"
	Driver		"fglrx"
	Boardname	"VESA driver (generic)"
	Busid		"PCI:1:0:1"
	Option		"VideoOverlay"	"on"
	Option		"OpenGLOverlay"	"off"
EndSection

Section "Device"
	Identifier	"aticonfig-Device[0]"
	Driver		"fglrx"
	Option		"VideoOverlay"	"on"
	Option		"OpenGLOverlay"	"off"
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"ATI Technologies Inc RV410 [Radeon X700]"
	Monitor		"Monitor Generico"
	Defaultdepth	24
	SubSection "Display"
		Virtual	1024	768
		Depth	24
		Modes		"1024x768@60"	"800x600@60"	"800x600@56"	"640x480@60"
	EndSubSection
EndSection

Section "Screen"
	
	# 
	Identifier	"screen1"
	Device		"device1"
	Monitor		"monitor1"
	Defaultdepth	24
EndSection

Section "Screen"
	Identifier	"aticonfig-Screen[0]"
	Device		"aticonfig-Device[0]"
	Monitor		"aticonfig-Monitor[0]"
	Defaultdepth	24
	SubSection "Display"
		Viewport	0	0
		Depth	24
	EndSubSection
EndSection

Section "Extensions"
	Option		"Composite"	"Enable"
EndSection

Section "DRI"
	Mode	0666
EndSection

Codice: Seleziona tutto

Checking for Xgl: not present. 
Detected PCI ID for VGA: 01:00.0 0300: 1002:5e4f (prog-if 00 [VGA])
Checking for texture_from_pixmap: not present. 
Trying again with indirect rendering:
Checking for texture_from_pixmap: present. 
Checking for non power of two support: present. 
Checking for Composite extension: not present. 
aborting and using fallback: /usr/bin/metacity 

Codice: Seleziona tutto

#!/bin/sh
# Compiz Manager wrapper script
# 
# Copyright (c) 2007 Kristian Lyngstøl <kristian@bohemians.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#
#
# Contributions by: Treviño (3v1n0) <trevi55@gmail.com>, Ubuntu Packages
#
# Much of this code is based on Beryl code, also licensed under the GPL.
# This script will detect what options we need to pass to compiz to get it
# started, and start a default plugin and possibly window decorator.
# 


COMPIZ_BIN_PATH="/usr/bin/" # For window decorators and compiz
PLUGIN_PATH="/usr/lib/compiz/" 
GLXINFO="/usr/bin/glxinfo"
KWIN="/usr/bin/kwin"
METACITY="/usr/bin/metacity"
COMPIZ_NAME="compiz.real" # Final name for compiz (compiz.real) 

# For Xgl LD_PRELOAD
LIBGL_NVIDIA="/usr/lib/nvidia/libGL.so.1.2.xlibmesa"
LIBGL_FGLRX="/usr/lib/fglrx/libGL.so.1.2.xlibmesa"

# Minimum amount of memory (in kilo bytes) that nVidia cards need
# to be allowed to start
# Set to 262144 to require 256MB
NVIDIA_MEMORY="65536" # 64MB
NVIDIA_SETTINGS="nvidia-settings" # Assume it's in the path by default

# For detecting what driver is in use, the + is for one or more /'s
XORG_DRIVER_PATH="/usr/lib/xorg/modules/drivers/+"

FALLBACKWM="${METACITY}"
FALLBACKWM_OPTIONS="--replace $@"

# Driver whitelist
WHITELIST="nvidia intel ati radeon fglrx i810"

# blacklist based on the pci ids 
# See http://wiki.compiz-fusion.org/Hardware/Blacklist for details
T=""
T="$T 8086:2982 8086:2992 8086:29a2 8086:2a02 8086:2a12"  # intel 965
T="$T 8086:2972" # i965 (x3000)
BLACKLIST_PCIIDS="$T"
unset T

COMPIZ_OPTIONS="--ignore-desktop-hints --replace"
COMPIZ_PLUGINS=""
ENV=""

# Use emerald by default if it exist
USE_EMERALD="yes"

# No indirect by default
INDIRECT="no"

# Set to yes to enable verbose
VERBOSE="yes"

# Echos the arguments if verbose
verbose()
{
	if [ "x$VERBOSE" = "xyes" ]; then
		printf "$*"
	fi
}

# abort script and run fallback windowmanager
abort_with_fallback_wm()
{
	if [ "x$SKIP_CHECKS" = "xyes" ]; then
		verbose "SKIP_CHECKS is yes, so continuing despite problems.\n"
		return 0;
	fi

	verbose "aborting and using fallback: $FALLBACKWM \n"

	if [ -x $FALLBACKWM ]; then
		exec $FALLBACKWM $FALLBACKWM_OPTIONS
	else
		printf "no $FALLBACKWM found, exiting\n"
		exit 1
	fi
}

# Check for non power of two texture support
check_npot_texture()
{
	verbose "Checking for non power of two support: "
	if glxinfo 2> /dev/null | egrep -q '(GL_ARB_texture_non_power_of_two|GL_NV_texture_rectangle|GL_EXT_texture_rectangle|GL_ARB_texture_rectangle)' ; then
		verbose "present. \n";
		return 0;
	else
		verbose "Not present. \n"
		return 1;
	fi

}

# Check for presence of FBConfig
check_fbconfig()
{
	verbose "Checking for FBConfig: "
	if [ "$INDIRECT" = "yes" ]; then
		$GLXINFO -i | grep -q GLX.*fbconfig 
		FB=$?
	else
		$GLXINFO | grep -q GLX.*fbconfig 
		FB=$?
	fi

	if [ $FB = "0" ]; then
		unset FB
		verbose "present. \n"
		return 0;
	else
		unset FB
		verbose "not present. \n"
		return 1;
	fi
}


# Check for TFP
check_tfp()
{
	verbose "Checking for texture_from_pixmap: "
	if [ $($GLXINFO 2>/dev/null | grep GLX_EXT_texture_from_pixmap -c) -gt 2 ] ; then
		verbose "present. \n"
		return 0;
	else
		verbose "not present. \n"
		if [ "$INDIRECT" = "yes" ]; then
			unset LIBGL_ALWAYS_INDIRECT
			INDIRECT="no"
			return 1;
		else
			verbose "Trying again with indirect rendering:\n";
			INDIRECT="yes"
			export LIBGL_ALWAYS_INDIRECT=1
			check_tfp;
			return $?
		fi
	fi
}

# Check wether the composite extension is present
check_composite()
{
	verbose "Checking for Composite extension: "
	if xdpyinfo -queryExtensions | grep -q Composite ; then
		verbose "present. \n";
		return 0;
	else
		verbose "not present. \n";
		return 1;
	fi
}

# Detects if Xgl is running
check_xgl()
{
	verbose "Checking for Xgl: "
	if xvinfo | grep -q Xgl ; then
		verbose "present. \n"
		return 0;
	else
		verbose "not present. \n"
		return 1;
	fi
}

# Check if the nVidia card has enough video ram to make sense
check_nvidia_memory()
{
	MEM=$(${NVIDIA_SETTINGS} -q VideoRam | egrep Attribute\ \'VideoRam\'\ .*: | cut -d: -f3 | sed 's/[^0-9]//g')
	if [ $MEM -lt $NVIDIA_MEMORY ]; then
		verbose "Less than ${NVIDIA_MEMORY}kb of memory and nVidia";
		return 1;
	fi
	return 0;
}

# Check for existence if NV-GLX
check_nvidia()
{
	if [ ! -z $NVIDIA_INTERNAL_TEST ]; then
		return $NVIDIA_INTERNAL_TEST;
	fi
	verbose "Checking for nVidia: "
	if xdpyinfo | grep -q NV-GLX ; then
		verbose "present. \n"
		NVIDIA_INTERNAL_TEST=0
		return 0;
	else
		verbose "not present. \n"
		NVIDIA_INTERNAL_TEST=1
		return 1;
	fi
}

# Check if the max texture size is large enough compared to the resolution
check_texture_size()
{
	TEXTURE_LIMIT=$(glxinfo -l | grep GL_MAX_TEXTURE_SIZE | sed 's/.*=[^0-9]//g')
	RESOLUTION=$(xdpyinfo  | grep -i dimensions: | sed 's/[^0-9]*pixels.*(.*).*//' | sed 's/[^0-9x]*//')
	VRES=$(echo $RESOLUTION | sed 's/.*x//')
	HRES=$(echo $RESOLUTION | sed 's/x.*//')
	verbose "Comparing resolution ($RESOLUTION) to maximum 3D texture size ($TEXTURE_LIMIT): ";
	if [ $VRES -gt $TEXTURE_LIMIT ] || [ $HRES -gt $TEXTURE_LIMIT ]; then
		verbose "Failed.\n"
		return 1;
	fi
	verbose "Passed.\n"
	return 0
}

# check driver whitelist
running_under_whitelisted_driver()
{
	LOG=$(xset q|grep "Log file"|awk '{print $3}')
	if [ -z "$LOG" ];then
		verbose "AIEEEEH, no Log file found \n"
		verbose "$(xset q) \n"
	return 0
	fi
	for DRV in ${WHITELIST}; do
		if egrep -q "Loading ${XORG_DRIVER_PATH}${DRV}_drv\.so" $LOG &&
		   ! egrep -q "Unloading ${XORG_DRIVER_PATH}${DRV}_drv\.so" $LOG; 
		then
			return 0
		fi
	done
	verbose "No whitelisted driver found\n"
	return 1
}

# check pciid blacklist
have_blacklisted_pciid()
{
	OUTPUT=$(lspci -n)
	for ID in ${BLACKLIST_PCIIDS}; do
		if echo "$OUTPUT" | egrep -q "$ID"; then
			verbose "Blacklisted PCIID '$ID' found \n"
			return 0
		fi
	done
	OUTPUT=$(lspci -vn | grep -i VGA)
	verbose "Detected PCI ID for VGA: $OUTPUT\n"
	return 1
}

build_env()
{
	if check_nvidia; then
		ENV="__GL_YIELD=NOTHING "
	fi
	if [ "$INDIRECT" = "yes" ]; then
		ENV="$ENV LIBGL_ALWAYS_INDIRECT=1 "
	fi
	if check_xgl; then
		if [ -f ${LIBGL_NVIDIA} ]; then
			ENV="$ENV LD_PRELOAD=${LIBGL_NVIDIA}"
			verbose "Enabling Xgl with nVidia drivers...\n"
		fi
		if [ -f ${LIBGL_FGLRX} ]; then
			ENV="$ENV LD_PRELOAD=${LIBGL_FGLRX}"
			verbose "Enabling Xgl with fglrx ATi drivers...\n"
		fi
	fi

	ENV="$ENV FROM_WRAPPER=yes"

	if [ -n "$ENV" ]; then
		export $ENV
	fi
}

build_args()
{
	if [ $INDIRECT = "yes" ]; then
		COMPIZ_OPTIONS="$COMPIZ_OPTIONS --indirect-rendering "
	fi
	if check_nvidia; then
		COMPIZ_OPTIONS="$COMPIZ_OPTIONS --loose-binding"
	fi
}

####################
# Execution begins here.

# Read configuration from XDG paths
if [ -z "$XDG_CONFIG_DIRS" ]; then
	test -f /etc/xdg/compiz/compiz-manager && . /etc/xdg/compiz/compiz-manager
else
	test -f $XDG_CONFIG_DIRS/compiz/compiz-manager && . $XDG_CONFIG_DIRS/compiz/compiz-manager
fi

if [ -z "$XDG_CONFIG_HOME" ]; then
	test -f $HOME/.config/compiz/compiz-manager && . $HOME/.config/compiz/compiz-manager
else
	test -f $XDG_CONFIG_HOME/compiz/compiz-manager && .  $XDG_CONFIG_HOME/compiz/compiz-manager
fi

# Don't use compiz when running the failsafe session
if [ "x$GNOME_DESKTOP_SESSION_ID" = "xFailsafe" ]; then
	abort_with_fallback_wm
fi

if [ "x$LIBGL_ALWAYS_INDIRECT" = "x1" ]; then
	INDIRECT="yes";
fi

# if we run under Xgl, we can skip some tests here
if ! check_xgl; then
	# if vesa or vga are in use, do not even try glxinfo (LP#119341)
	if ! running_under_whitelisted_driver || have_blacklisted_pciid; then
		abort_with_fallback_wm
	fi
	# check if we have the required bits to run compiz and if not, 
	# fallback
	if ! check_tfp || ! check_npot_texture || ! check_composite || ! check_texture_size; then
		abort_with_fallback_wm
	fi

	if check_nvidia && ! check_nvidia_memory; then
		abort_with_fallback_wm
	fi

	if ! check_fbconfig; then
		abort_with_fallback_wm
	fi
fi

# load the ccp plugin if present and fallback to plain gconf if not
if [ -f ${PLUGIN_PATH}libccp.so ]; then
	COMPIZ_PLUGINS="$COMPIZ_PLUGINS ccp"
elif [ -f ${PLUGIN_PATH}libgconf.so ]; then
	COMPIZ_PLUGINS="$COMPIZ_PLUGINS glib gconf"
fi

# get environment
build_env
build_args

# start the gtk-window-decorator if present
if [ -x ${COMPIZ_BIN_PATH}emerald ] && [ "$USE_EMERALD" = "yes" ]; then
	verbose "Starting emerald\n"
	${COMPIZ_BIN_PATH}emerald --replace &
elif [ -x ${COMPIZ_BIN_PATH}gtk-window-decorator ] && [ -n "$GNOME_DESKTOP_SESSION_ID" ]; then
	verbose "Starting gtk-window-decorator\n"
	${COMPIZ_BIN_PATH}gtk-window-decorator --replace &
elif [ -x ${COMPIZ_BIN_PATH}kde-window-decorator ] && [ -n "$KDE_FULL_SESSION" ]; then
	verbose "Starting kde-window-decorator\n"
	${COMPIZ_BIN_PATH}kde-window-decorator --replace &
	FALLBACKWM="${KWIN}"
fi

${COMPIZ_BIN_PATH}${COMPIZ_NAME} $COMPIZ_OPTIONS "$@" $COMPIZ_PLUGINS || exec $FALLBACKWM $FALLBACKWM_OPTIONS

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aborting and using fallback: /usr/bin/metacity 

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simone@ubuntu:~$ SKIP_CHECKS=yes compiz --replace
Checking for Xgl: not present. 
Detected PCI ID for VGA: 01:00.0 0300: 1002:5e4f (prog-if 00 [VGA])
Checking for texture_from_pixmap: not present. 
Trying again with indirect rendering:
Checking for texture_from_pixmap: present. 
Checking for non power of two support: present. 
Checking for Composite extension: present. 
Comparing resolution (1024x768) to maximum 3D texture size (2048): Passed.
Checking for nVidia: not present. 
Checking for FBConfig: present. 
Checking for Xgl: not present. 
Starting gtk-window-decorator
/usr/bin/compiz.real (video) - Warn: No 8 bit GLX pixmap format, disabling YV12 image format