#!/bin/ksh93
#
# Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
#

LINKDIR=/system/volatile/opengl

PATH=/usr/bin:/usr/sbin

ARCH="$(uname -p)"

case "${ARCH}" in
    sparc)	DIR64="sparcv9" ;;
    i386)	DIR64="amd64"	;;
    *)		exit 1		;; # Unknown architecture
esac

if [[ $# -eq 1 ]]; then
	# If this is just a probe, identify ourself and leave.
	if [[ $1 == "identify" ]]; then
		if [[ "${ARCH}" == "i386" ]] ; then
		    print "SUNWtext mesa"
		fi
		# Already is the default fallback for all platforms
		return 0
	fi
	# Build links under an alternate root if root=/path is passed
	if [[ "$1" =~ root=.* ]] ; then
	    LINKDIR="${1#root=}${LINKDIR}"
	fi
fi

# Make a directory. $1 is the pathname.
function make_dir {
	if [[ $# != 1 ]]; then
		return
	fi
	if [[ ! -d $1 ]]; then
		mkdir -p $1
	fi	
	chmod 755 $1
}

# Make a file link. $1 is the source path, $2 is the target path
function make_link {
	if [[ $# != 2 ]]; then
		return
	fi
	if [[ -h $2 ]]; then
		rm -f $2
	fi
	ln -sf $1 $2
}

# Create directories
make_dir ${LINKDIR}
make_dir ${LINKDIR}/lib
make_dir ${LINKDIR}/lib/${DIR64}
make_link ${DIR64} ${LINKDIR}/lib/64
make_dir ${LINKDIR}/include
make_dir ${LINKDIR}/server

if [[ -d /usr/lib/mesa/modules/extensions/${DIR64} ]] ; then
    make_dir ${LINKDIR}/server/${DIR64}
fi

# User libraries
make_link ../../../../usr/lib/mesa/libGL.so.1 ${LINKDIR}/lib/libGL.so.1
make_link ../../../../../usr/lib/mesa/${DIR64}/libGL.so.1 \
	${LINKDIR}/lib/${DIR64}/libGL.so.1
make_link ../../../../usr/lib/mesa/libEGL.so.1 ${LINKDIR}/lib/libEGL.so.1
make_link ../../../../../usr/lib/mesa/${DIR64}/libEGL.so.1 \
	${LINKDIR}/lib/${DIR64}/libEGL.so.1
make_link ../../../../usr/lib/mesa/libGLESv1_CM.so.1 ${LINKDIR}/lib/libGLESv1_CM.so.1
make_link ../../../../../usr/lib/mesa/${DIR64}/libGLESv1_CM.so.1 \
	${LINKDIR}/lib/${DIR64}/libGLESv1_CM.so.1
make_link ../../../../usr/lib/mesa/libGLESv2.so.2 ${LINKDIR}/lib/libGLESv2.so.2
make_link ../../../../../usr/lib/mesa/${DIR64}/libGLESv2.so.2 \
	${LINKDIR}/lib/${DIR64}/libGLESv2.so.2

# Server modules
make_link ../../../../usr/lib/mesa/modules/extensions/libglx.so \
	${LINKDIR}/server/libglx.so
if [[ -d /usr/lib/mesa/modules/extensions/${DIR64} ]] ; then
    make_link \
	../../../../../usr/lib/mesa/modules/extensions/${DIR64}/libglx.so \
	${LINKDIR}/server/${DIR64}/libglx.so
fi

# Includes
make_link ../../../../usr/include/mesa/gl.h	${LINKDIR}/include/gl.h
make_link ../../../../usr/include/mesa/glext.h	${LINKDIR}/include/glext.h
make_link ../../../../usr/include/mesa/glx.h	${LINKDIR}/include/glx.h
make_link ../../../../usr/include/mesa/glxext.h	${LINKDIR}/include/glxext.h

return 0