#!/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/local/bin/" # For window decorators and compiz
PLUGIN_PATH="/usr/local/lib/compiz/"
GLXINFO="/usr/bin/glxinfo"
KWIN="/usr/bin/kwin"
METACITY="/usr/bin/metacity"
COMPIZ_NAME="compiz" # 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 $@"
# Driver whitelist
WHITELIST="nvidia intel ati radeon i810 fglrx"
# blacklist based on the pci ids
# See *wiki.compiz-fusion.org/Hardware/Blacklist for details
T=" 1002:5954 1002:5854 1002:5955" # ati rs480
T="$T 1002:4153" # ATI Rv350
T="$T 8086:2982 8086:2992 8086:29a2 8086:2a02 8086:2a12" # intel 965
T="$T 8086:2972" # i965 (x3000)
T="$T 1002:3152 1002:3150 1002:5462 1002:5653 " # ati X300 X600,X600 X700
BLACKLIST_PCIIDS="$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
