core/catalyst/switchlibglx

#!/bin/bash 
#  switchlibGL and switchlibglx
# 
#  Copyright (c) 2011 Advanced Micro Devices, Inc. 
# 
#  Purpose: 
#    For switch between AMD and Intel graphic driver library. 
# 
#  Usage: 
#  switchlibGL   amd|intel|query 
#    amd:   switches to the AMD version of libGL. 
#    intel: switches to the open-source version of libGL . 
#    query: checks, which version is currently active and prints either "amd" 
#    or "intel" or "unknown" on the standard output. 
#    must be root to execute this script 

ARCH=`uname -m` 
E_ERR=1 

# Check if root 
if [ "`whoami`" != "root" ]; then 
  echo "Must be root to run this script." 1>&2 
  exit $E_ERR 
fi 

# One parameter 
if [ $# -ne 1 ]; then 
  echo "Usage: `basename $0` amd|intel|query " 1>&2 
  echo "Please choose one parameter " 1>&2 
  exit $E_ERR 
fi 


# Switch to right mode 
case "$1" in 
  "amd" ) 
        eselect opengl set ati 
  ;; 
  "intel" ) 
        eselect opengl set xorg-x11 
  ;; 
  "query" ) 
        current=`eselect opengl show` 
        case "$current" in 
          "ati" ) 
             echo "amd" 
          ;; 
          "xorg-x11" ) 
             echo "intel" 
          ;; 
        esac 
  ;; 
  * ) echo "Usage: `basename $0` amd|intel|query" 1>&2; exit $E_ERR;; 
  # other than amd|intel|query parameter report an error 
esac 

#  A zero return value from the script upon exit indicates success. 
exit 0