# $Id$

PNAME="mesa"
PVER="7.11"
PBUILD="r1"

PCATEGORIE="media-libs"

HOMEPAGE="http://mesa3d.sourceforge.net/"

MESA_DEPEND=">= dev-libs/expat-2
	>= x11-libs/libX11-1.4
	>= x11-libs/libXext-1.3
	>= x11-libs/libXxf86vm-1.1
	>= x11-libs/libXi-1.4
	>= x11-libs/libXmu-1.1
	>= x11-libs/libdrm-2.4.27
	>= x11-libs/libICE-1
	>= x11-libs/libxcb-1
	>= x11-libs/libXfixes-5
	>= x11-libs/libXdamage-1
	>= sys-libs/talloc-2"

MESA_PROGS_DEPEND=">= virtual/glut"

SDEPEND="${MESA_DEPEND}
	${MESA_PROGS_DEPEND}
	>= dev-util/pkgconfig-0.25
	>= x11-misc/makedepend-1
	>= x11-proto/xf86vidmodeproto-2.3
	>= x11-libs/libXxf86vm-1.1
	>= x11-proto/glproto-1.4.12
	>= x11-proto/inputproto-2
	>= x11-proto/xextproto-7.2
	>= x11-proto/xf86driproto-2.1
	>= x11-proto/dri2proto-2.3
	>= x11-proto/xcb-proto-1.6
	>= x11-proto/xproto-7
	>= x11-proto/fixesproto-5
	>= x11-proto/damageproto-1.2
	>= dev-lang/python-2.7
	>= sys-dev/llvm-2.9"

# must be set before the include of multilib!
EMUL_LINUX_32=true
sminclude xorg mtools multilib cleanutils

# must be set *after* the include of xorg!
SRCFILE="MesaLib-${PVER/_/-}.tar.bz2"
# libs SRCDIR
SRCDIR="${BUILDDIR}/Mesa-${PVER/_/-}"

SPLIT_PACKAGES="mesa
	mesa-dev
	mesa-dri-i810
	mesa-dri-i915
	mesa-dri-i965
	mesa-dri-mach64
	mesa-dri-mga
	mesa-dri-r128
	mesa-dri-r200
	mesa-dri-radeon
	mesa-dri-savage
	mesa-dri-sis
	mesa-dri-unichrome
	mesa-gallium-nouveau
	mesa-gallium-r300
	mesa-gallium-r600
	mesa-gallium-swrast"
	#mesa-dri-swrast
	#mesa-dri-r300
	#mesa-dri-r600
	#mesa-dri-tdfx
	#
	# broken atm
	#mesa-gallium-vmwgfx
	#mesa-gallium-i915
	#mesa-gallium-i965

SRC_URI=(
	ftp://ftp.freedesktop.org/pub/mesa/${PVER}/${SRCFILE}
	sourceforge://mesa3d/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/libGLU.la
	mirror://${PNAME}/libGL.la
)

UP2DATE="updatecmd ftp://ftp.freedesktop.org/pub/mesa/current | lasttarball"

split_info_mesa()
{
	DESCRIPTION="Mesa3D OpenGL graphics library."
	DEPEND="${MESA_DEPEND}"

	PROVIDE="virtual/opengl"
}

split_info_mesa-dev()
{
	DESCRIPTION="Development files for ${PCATEGORIE}/mesa-${PVER}."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

#split_info_mesa-dri-swrast()
#{
#	DESCRIPTION="Mesa Software Raster DRI driver."
#	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
#}

split_info_mesa-dri-i810()
{
	DESCRIPTION="Mesa Intel i810 DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-i915()
{
	DESCRIPTION="Mesa Intel i915 DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-i965()
{
	DESCRIPTION="Mesa Intel i965 DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-mach64()
{
	DESCRIPTION="Mesa ATI mach64 DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-mga()
{
	DESCRIPTION="Mesa Matrox mga DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-r128()
{
	DESCRIPTION="Mesa ATI Rage128 DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-r200()
{
	DESCRIPTION="Mesa ATI Radeon r200 DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

#split_info_mesa-dri-r300()
#{
#	DESCRIPTION="Mesa ATI Radeon r300 DRI driver."
#	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
#}

#split_info_mesa-dri-r600()
#{
#	DESCRIPTION="Mesa ATI Radeon r600 DRI driver."
#	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
#}

split_info_mesa-dri-radeon()
{
	DESCRIPTION="Mesa ATI Radeon generic DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-savage()
{
	DESCRIPTION="Mesa S3 Savage DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-dri-sis()
{
	DESCRIPTION="Mesa SIS generic DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

#split_info_mesa-dri-tdfx()
#{
#	DESCRIPTION="Mesa 3DFX Voodoo DRI driver."
#	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
#}

split_info_mesa-dri-unichrome()
{
	DESCRIPTION="Mesa VIA Chrome DRI driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

#split_info_mesa-gallium-i915()
#{
#	DESCRIPTION="Mesa Intel i915 Gallium driver."
#	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
#}

#split_info_mesa-gallium-i965()
#{
#	DESCRIPTION="Mesa Intel i965 Gallium driver."
#	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
#}

split_info_mesa-gallium-nouveau()
{
	DESCRIPTION="Mesa Nvidia Nouveau Gallium driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-gallium-r300()
{
	DESCRIPTION="Mesa Ati Radeon r300 Gallium driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-gallium-r600()
{
	DESCRIPTION="Mesa Ati Radeon r600 Gallium driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

split_info_mesa-gallium-swrast()
{
	DESCRIPTION="Mesa Software Raster Gallium driver."
	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
}

#split_info_mesa-gallium-vmwgfx()
#{
#	DESCRIPTION="Mesa Vmware generic Gallium driver."
#	DEPEND="== ${PCATEGORIE}/mesa-${PVER}"
#}

src_prepare()
{
	munpack ${SRCFILE} || die

	# no debug code in the drives (gentoo)
	all-abis 'find src/mesa/drivers/dri -name *.[hc] -exec egrep -l "\#define\W+DO_DEBUG\W+1" {} \; | xargs sed -i -re "s/\#define\W+DO_DEBUG\W+1/\#define DO_DEBUG 0/" ;'

	# get rid of glut includes
	all-abis rm -f include/GL/glut*h || die
}

src_compile()
{
	# gallium is highly experimental, disabled atm!
	mconfigure \
		--with-driver=dri \
		--with-dri-driverdir=/usr/'$(mlibdir)'/dri \
		--disable-debug \
		--disable-glut \
		--disable-ttm-api \
		--without-demos \
		--enable-glx-tls \
		--enable-asm \
		--enable-xcb \
		--enable-shared-glapi \
		--enable-shared-dricore \
		--enable-glw \
		--enable-egl \
		--enable-gles1 \
		--enable-gles2 \
		--enable-gallium-egl \
		--enable-gallium-llvm \
		--with-gallium-drivers=r300,r600,nouveau,swrast \
		--with-state-trackers=glx,dri,egl,vega \
		|| die

	# only build software renderer on multilib arches
	if [[ ${ARCH} = x86_64 ]]
	then
		only-m32 "echo 'DRI_DIRS =' >> configs/autoconf" || die
	fi

	mmake -j1 || die
}

src_install_mesa()
{
	# needed directories
	minstalldir /etc/env.d || die

	mmake DESTDIR=${BINDIR} install || die

#	# missing gl headers
#	minstallfile src/glw/GLwDrawA.h /usr/include/GL || die
#
#	# remove private headers
#	rm -f ${BINDIR}/usr/include/GL/GLw*P.h || die

	for abi in ${MULTILIB_ABIS}
	do
		[[ ${abi} = m32 ]] && ABI_LIBDIR="lib"
		[[ ${abi} = m64 ]] && ABI_LIBDIR="lib64"
		cd ${SRCDIR}-${abi}

		# fix opengl-symlinks
		# first remove invalid symlinks
		find ${BINDIR}/usr/$(mlibdir) -name libGL\.* -type l | xargs rm -f
		# now create required opengl-symlinks
		mlink libGL.so.1.2 /usr/$(mlibdir)/libGL.so || die
		mlink libGL.so.1.2 /usr/$(mlibdir)/libGL.so.1 || die

		# export LIBGL_DRIVER_PATH location.
		# we are using '/usr/lib/dri' as hardcoded location.
		# but nvidia and ati are using '/usr/$(mlibdir)/xorg/modules/dri'
		# LIBGL_DRIVER_PATH overwrites the hardcoded location and
		# if nvidia or ati driver are installed
		# the dri modules will never be found by libGL
		# use "LIBGL_DEBUG=verbose glxinfo" to check this issue
		echo "LIBGL_DRIVERS_PATH=/usr/$(mlibdir)/dri" > ${BINDIR}/etc/env.d/09mesa-${abi} || die

		# remove dri-drivers, they are in extra packages
		rm -r ${BINDIR}/usr/$(mlibdir)/dri/*_dri.so || die
	done

	# cleanup
	zapmost ${BINDIR} etc/env.d usr/$(mlibdir)/*.so usr/$(mlibdir)/*.so.* \
		$(if [[ $(mlibdir) != lib ]];then echo "usr/lib/*.so usr/lib/*.so.*"; fi) \
		|| die
}

src_install_mesa-dev()
{
	mmake DESTDIR=${BINDIR} install || die

	# missing gl headers
	minstallfile src/glw/GLwDrawA.h /usr/include/GL || die

	# remove private headers
	rm -f ${BINDIR}/usr/include/GL/GLw*P.h || die

	for abi in ${MULTILIB_ABIS}
	do
		[[ ${abi} = m32 ]] && ABI_LIBDIR="lib"
		[[ ${abi} = m64 ]] && ABI_LIBDIR="lib64"
		cd ${SRCDIR}-${abi}

		# satisfy libtool
		minstallfile -s libGLU.la /usr/$(mlibdir) || die
		minstallfile -s libGL.la /usr/$(mlibdir) || die

		# fix libdir on 64bit arches
		if [[ $(mlibdir) != lib ]]
		then
			sed -i "s:/usr/lib:/usr/$(mlibdir):g" ${BINDIR}/usr/$(mlibdir)/libGLU.la || die
			sed -i "s:/usr/lib:/usr/$(mlibdir):g" ${BINDIR}/usr/$(mlibdir)/libGL.la || die
		fi
	done

	# cleanup
	rm -r ${BINDIR}/usr/$(mlibdir)/*.so || die
	rm -r ${BINDIR}/usr/$(mlibdir)/*.so.* || die
	rm -r ${BINDIR}/usr/$(mlibdir)/dri || die
	if [[ $(mlibdir) != lib ]]
	then
		rm -r ${BINDIR}/usr/lib/*.so || die
		rm -r ${BINDIR}/usr/lib/*.so.* || die
		rm -r ${BINDIR}/usr/lib/dri || die
	fi
}

#src_install_mesa-dri-swrast()
#{
#	mmake -C src/mesa/drivers/dri/swrast DESTDIR=${BINDIR} install || die
#}

src_install_mesa-dri-i810()
{
	mmake -C src/mesa/drivers/dri/i810 DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-i915()
{
	mmake -C src/mesa/drivers/dri/i915 DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-i965()
{
	mmake -C src/mesa/drivers/dri/i965 DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-mach64()
{
	mmake -C src/mesa/drivers/dri/mach64 DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-mga()
{
	mmake -C src/mesa/drivers/dri/mga DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-r128()
{
	mmake -C src/mesa/drivers/dri/r128 DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-r200()
{
	mmake -C src/mesa/drivers/dri/r200 DESTDIR=${BINDIR} install || die
}

#src_install_mesa-dri-r300()
#{
#	mmake -C src/mesa/drivers/dri/r300 DESTDIR=${BINDIR} install || die
#}

#src_install_mesa-dri-r600()
#{
#	mmake -C src/mesa/drivers/dri/r600 DESTDIR=${BINDIR} install || die
#}

src_install_mesa-dri-radeon()
{
	mmake -C src/mesa/drivers/dri/radeon DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-savage()
{
	mmake -C src/mesa/drivers/dri/savage DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-sis()
{
	mmake -C src/mesa/drivers/dri/sis DESTDIR=${BINDIR} install || die
}

src_install_mesa-dri-unichrome()
{
	mmake -C src/mesa/drivers/dri/unichrome DESTDIR=${BINDIR} install || die
}

#src_install_mesa-gallium-i915()
#{
#	mmake -C src/gallium/targets/dri-i915 DESTDIR=${BINDIR} install || die
#}

#src_install_mesa-gallium-i965()
#{
#	mmake -C src/gallium/targets/dri-i965 DESTDIR=${BINDIR} install || die
#}

src_install_mesa-gallium-nouveau()
{
	mmake -C src/gallium/targets/dri-nouveau DESTDIR=${BINDIR} install || die
}

src_install_mesa-gallium-r300()
{
	mmake -C src/gallium/targets/dri-r300 DESTDIR=${BINDIR} install || die
}

src_install_mesa-gallium-r600()
{
	mmake -C src/gallium/targets/dri-r600 DESTDIR=${BINDIR} install || die
}

src_install_mesa-gallium-swrast()
{
	mmake -C src/gallium/targets/dri-swrast DESTDIR=${BINDIR} install || die
}

#src_install_mesa-gallium-vmwgfx()
#{
#	mmake -C src/gallium/targets/dri-vmwgfx DESTDIR=${BINDIR} install || die
#}