# $Id$

PNAME="mesa"
PVER="20.1.7"
PBUILD="r1"

PCAT="media-libs"

# 1=enable mesa features
# 0=disable mesa features
ENABLE_VDPAU=0
ENABLE_VAAPI=0
ENABLE_XVMC=0

# 1=enable dev split packages
# 0=disable dev split packages
ENABLE_DEV_PACKAGES=1

SPLIT_PACKAGES="mesa"
if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
then
	SPLIT_PACKAGES+=" mesa-dev"
fi
SPLIT_PACKAGES+=" mesa-xa-tracker"
# direct3d
SPLIT_PACKAGES+=" libd3d"
if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
then
	SPLIT_PACKAGES+=" libd3d-dev"
fi
# dri
SPLIT_PACKAGES+=" mesa-dri-i915"
SPLIT_PACKAGES+=" mesa-dri-i965"
SPLIT_PACKAGES+=" mesa-dri-nouveau"
SPLIT_PACKAGES+=" mesa-dri-r100"
SPLIT_PACKAGES+=" mesa-dri-r200"
# gallium
SPLIT_PACKAGES+=" mesa-dri-r300"
SPLIT_PACKAGES+=" mesa-dri-r600"
SPLIT_PACKAGES+=" mesa-dri-radeonsi"
SPLIT_PACKAGES+=" mesa-dri-swrast"
SPLIT_PACKAGES+=" mesa-dri-svga"
SPLIT_PACKAGES+=" mesa-dri-virgl"
SPLIT_PACKAGES+=" mesa-dri-iris"
# vulkan
SPLIT_PACKAGES+=" mesa-vulkan-radeon"
if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
then
	SPLIT_PACKAGES+=" mesa-vulkan-radeon-dev"
fi
SPLIT_PACKAGES+=" mesa-vulkan-intel"
if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
then
	SPLIT_PACKAGES+=" mesa-vulkan-intel-dev"
fi
# vdpau
if [[ ${ENABLE_VDPAU} = 1 ]]
then
	SPLIT_PACKAGES+=" mesa-vdpau-nouveau"
	SPLIT_PACKAGES+=" mesa-vdpau-r300"
	SPLIT_PACKAGES+=" mesa-vdpau-r600"
	SPLIT_PACKAGES+=" mesa-vdpau-radeonsi"
fi
# vaapi
if [[ ${ENABLE_VAAPI} = 1 ]]
then
	SPLIT_PACKAGES+=" mesa-vaapi-nouveau"
	SPLIT_PACKAGES+=" mesa-vaapi-r600"
	SPLIT_PACKAGES+=" mesa-vaapi-radeonsi"
fi

PCAT="media-libs"
HOMEPAGE="http://mesa3d.sourceforge.net/"

# hardcoded llvm version for libxatracker
LLVM_PVER="10.0.0"

MESA_DEPEND=">= dev-libs/expat-2.2
	>= dev-libs/libffi-3.3
	>= x11-libs/libX11-1.6
	>= x11-libs/libXext-1.3
	>= x11-libs/libXxf86vm-1.1
	>= x11-libs/libXi-1.7
	>= x11-libs/libXmu-1.1
	>= x11-libs/libXrandr-1.5
	>= x11-libs/libdrm-2.4.102
	>= x11-libs/libICE-1
	>= x11-libs/libglvnd-1.3
	>= x11-libs/libxcb-1.14
	>= x11-libs/libXfixes-5
	>= x11-libs/libXdamage-1
	>= x11-libs/libxshmfence-1.3
	>= sys-libs/libstdc++-8.3
	>= sys-fs/libudev-242
	>= sys-libs/libelf-0.179"
if [[ ${ENABLE_VDPAU} = 1 ]]
then
	MESA_DEPEND="${MESA_DEPEND}
		>= x11-libs/libvdpau-1.1"
fi
if [[ ${ENABLE_VAAPI} = 1 ]]
then
	MESA_DEPEND="${MESA_DEPEND}
		>= x11-libs/libva-1.8"
fi
if [[ ${ENABLE_XVMC} = 1 ]]
then
	MESA_DEPEND="${MESA_DEPEND}
		>= x11-libs/libXvMC-1"
fi

# mesa-dev runtime deps
MESA_DEV_DEPEND=">= dev-libs/expat-dev-2.2
	>= dev-libs/libffi-dev-3.3
	>= x11-libs/libX11-dev-1.6
	>= x11-libs/libXext-dev-1.3
	>= x11-libs/libXxf86vm-dev-1.1
	>= x11-libs/libXi-dev-1.7
	>= x11-libs/libXmu-dev-1.1
	>= x11-libs/libXrandr-dev-1.5
	>= x11-libs/libdrm-dev-2.4.102
	>= x11-libs/libICE-dev-1
	>= x11-libs/libglvnd-dev-1.3
	>= x11-libs/libxcb-dev-1.14
	>= x11-libs/libXfixes-dev-5
	>= x11-libs/libXdamage-dev-1
	>= x11-libs/libxshmfence-dev-1.3
	>= sys-libs/libstdc++-dev-8.3
	>= sys-fs/libudev-dev-242
	>= sys-libs/libelf-dev-0.179"
if [[ ${ENABLE_VDPAU} = 1 ]]
then
	MESA_DEV_DEPEND="${MESA_DEV_DEPEND}
		>= x11-libs/libvdpau-dev-1.1"
fi
if [[ ${ENABLE_VAAPI} = 1 ]]
then
	MESA_DEV_DEPEND="${MESA_DEV_DEPEND}
		>= x11-libs/libva-dev-1.8"
fi
if [[ ${ENABLE_XVMC} = 1 ]]
then
	MESA_DEV_DEPEND="${MESA_DEV_DEPEND}
		>= x11-libs/libXvMC-dev-1"
fi

XA_TRACKER_DEPEND=">= sys-libs/llvm-libs-${LLVM_PVER}"

SDEPEND="${MESA_DEPEND}
	${XA_TRACKER_DEPEND}
	>= dev-util/pkgconfig-0.25
	>= x11-libs/libXxf86vm-1.1
	>= virtual/glproto
	>= virtual/xf86driproto
	>= virtual/dri2proto
	>= virtual/dri3proto
	>= virtual/presentproto
	>= virtual/xf86vidmodeproto
	>= dev-lang/python3-3.7
	>= dev-python/python3-mako-1
	>= sys-dev/llvm-${LLVM_PVER}"

if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
then
	SDEPEND="${SDEPEND}
		${MESA_DEV_DEPEND}"
fi

sminclude multilib xorg mtools meson cleanutils
msetfeature "!check"

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

SRC_URI=(
	ftp://ftp.freedesktop.org/pub/mesa/${PVER%_*}/${SRCFILE}
	ftp://ftp.freedesktop.org/pub/mesa/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
)

UP2DATE="updatecmd ftp://ftp.freedesktop.org/pub/mesa/ | highesttarball xz"

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

	PROVIDE="virtual/opengl"
}

split_info_mesa-dev()
{
	DESCRIPTION="Dev package for mesa"
	DEPEND="== media-libs/mesa-${PVER}
		${MESA_DEV_DEPEND}"

	PROVIDE="virtual/opengl-dev"
}

split_info_mesa-xa-tracker()
{
	DESCRIPTION="Mesa XA state tracker."
	DEPEND="== media-libs/mesa-${PVER}
		${XA_TRACKER_DEPEND}"
}

split_info_libd3d()
{
	DESCRIPTION="Mesa Direct3D9 state tracker."
	DEPEND="== media-libs/mesa-${PVER}"
}

split_info_mesa-dev()
{
	DESCRIPTION="Dev package for libd3d"
	DEPEND="== media-libs/libd3d-${PVER}"
}

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

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

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

split_info_mesa-dri-r100()
{
	DESCRIPTION="Mesa ATI Radeon generic DRI driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

split_info_mesa-dri-nouveau()
{
	DESCRIPTION="Mesa Nvidia Nouveau DRI and Gallium driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-dri-r300()
{
	DESCRIPTION="Mesa Ati Radeon r300 DRI (Gallium) driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-dri-r600()
{
	DESCRIPTION="Mesa Ati Radeon r600 DRI (Gallium) driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-dri-radeonsi()
{
	DESCRIPTION="Mesa AMD Radeon radeonsi DRI (Gallium) driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-dri-swrast()
{
	DESCRIPTION="Mesa Software Raster DRI (Gallium) driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-dri-svga()
{
	DESCRIPTION="Mesa Vmware svga DRI (Gallium) driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-dri-virgl()
{
	DESCRIPTION="Mesa VirtualGL DRI (Gallium) driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-dri-iris()
{
	DESCRIPTION="Mesa Intel Iris DRI (Gallium) driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-vulkan-radeon()
{
	DESCRIPTION="Mesa AMD Radeon Vulkan driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-vulkan-radeon-dev()
{
	DESCRIPTION="Dev package for mesa-vulkan-radeon"
	DEPEND="== media-libs/mesa-vulkan-radeon-${PVER}"
}

split_info_mesa-vulkan-intel()
{
	DESCRIPTION="Mesa Intel Vulkan driver."
	DEPEND="== ${PCAT}/mesa-${PVER}
		== ${PCAT}/mesa-xa-tracker-${PVER}"
}

split_info_mesa-vulkan-intel-dev()
{
	DESCRIPTION="Dev package for mesa-intel-radeon"
	DEPEND="== media-libs/mesa-vulkan-intel-${PVER}"
}

split_info_mesa-vdpau-nouveau()
{
	DESCRIPTION="Mesa NVIDIA Nouveau VDPAU driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

split_info_mesa-vdpau-r300()
{
	DESCRIPTION="Mesa AMD Radeon r300 VDPAU driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

split_info_mesa-vdpau-r600()
{
	DESCRIPTION="Mesa AMD Radeon r600 VDPAU driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

split_info_mesa-vdpau-radeonsi()
{
	DESCRIPTION="Mesa AMD Radeon radeonsi VDPAU driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

split_info_mesa-vaapi-nouveau()
{
	DESCRIPTION="Mesa NVIDIA Nouveau VAAPI driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

split_info_mesa-vaapi-r600()
{
	DESCRIPTION="Mesa AMD Radeon r600 VAAPI driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

split_info_mesa-vaapi-radeonsi()
{
	DESCRIPTION="Mesa AMD Radeon radeonsi VAAPI driver."
	DEPEND="== ${PCAT}/mesa-${PVER}"
}

install_dri_driver()
{
	local drivers="$@"
	local dri_drivers
	local i

	for i in ${drivers}
	do
		case ${driver} in
			*) dri_drivers="${i}_dri.so" ;;
		esac
	done

	DESTDIR=${BINDIR} mninja install || die
	zapmost ${BINDIR} \
		$(for i in ${dri_drivers}; do echo "usr/$(mlibdir)/dri/${i}"; done) \
		$([[ $(mlibdir) != lib ]] && for i in ${dri_drivers}; do echo "usr/lib/dri/${i}"; done) \
		|| die
}

install_vulkan_driver()
{
	local driver="$1"
	local vulkan_drivers

	case ${driver} in
		*) vulkan_drivers="libvulkan_${driver}.so" ;;
	esac

	DESTDIR=${BINDIR} mninja install || die
	zapmost ${BINDIR} \
		$(for i in ${vulkan_drivers}; do echo "usr/$(mlibdir)/${i}"; done) \
		$([[ $(mlibdir) != lib ]] && for i in ${vulkan_drivers}; do echo "usr/lib/${i}"; done) \
		usr/include/vulkan/vulkan_${driver}.h \
		usr/share/vulkan/icd.d/${driver}_icd\*.json \
		|| die

	if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
	then
		mdelete -r /usr/include || die
	fi
}

install_vulkan_driver_dev()
{
	local driver="$1"
	local vulkan_drivers

	DESTDIR=${BINDIR} mninja install || die
	zapmost ${BINDIR} \
		usr/include/vulkan/vulkan_${driver}.h \
		|| die
}

install_vdpau_driver()
{
	local driver="$1"

	DESTDIR=${BINDIR} mninja install || die
	zapmost ${BINDIR} usr/$(mlibdir)/vdpau/libvdpau_${driver}.* || die
	if [[ $(mlibdir) != lib ]]
	then
		zapmost ${BINDIR} usr/lib/vdpau/libvdpau_${driver}.* || die
	fi
}

install_vaapi_driver()
{
	local driver="$1"
	local vaapi_drivers

	case ${driver} in
		*) vaapi_drivers="${driver}_drv_video.so" ;;
	esac

	DESTDIR=${BINDIR} mninja install || die
	zapmost ${BINDIR} \
		$(for i in ${vaapi_drivers}; do echo "usr/$(mlibdir)/dri/${i}"; done) \
		$([[ $(mlibdir) != lib ]] && for i in ${vaapi_drivers}; do echo "usr/lib/dri/${i}"; done) \
		|| die
}

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

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

src_compile()
{
	local myconf

	MESA_DRI_DRIVERS="i915,i965,r100,r200,nouveau"
	MESA_GALLIUM_DRIVERS+="swrast,nouveau,r300,r600,radeonsi,svga,virgl,iris"
	MESA_VULKAN_DRIVERS+="amd,intel"

	if [[ ${ENABLE_VDPAU} = 1 ]]
	then
		myopts=" $(meson_bool_true gallium-vdpau)"
	else
		myopts=" $(meson_bool_false gallium-vdpau)"
	fi
	if [[ ${ENABLE_VAAPI} = 1 ]]
	then
		myopts=" $(meson_bool_true gallium-va)"
	else
		myopts=" $(meson_bool_false gallium-va)"
	fi
	if [[ ${ENABLE_XVMC} = 1 ]]
	then
		myopts=" $(meson_bool_true gallium-xvmc)"
	else
		myopts=" $(meson_bool_false gallium-xvmc)"
	fi

	meson_configure \
		$(meson_opt platforms x11,drm,surfaceless) \
		$(meson_opt dri-drivers-path /usr/'$(mlibdir)'/dri) \
		$(meson_opt dri-drivers ${MESA_DRI_DRIVERS}) \
		$(meson_opt gallium-drivers ${MESA_GALLIUM_DRIVERS}) \
		$(meson_opt vulkan-drivers ${MESA_VULKAN_DRIVERS}) \
		$(meson_bool_false vulkan-overlay-layer) \
		$(meson_bool_true b_ndebug) \
		$(meson_opt glx dri) \
		$(meson_bool_true shared-glapi) \
		$(meson_bool_true dri3) \
		$(meson_bool_true egl) \
		$(meson_bool_true gles1) \
		$(meson_bool_true gles2) \
		$(meson_bool_true gbm) \
		$(meson_opt osmesa gallium) \
		$(meson_opt xa gallium-xa) \
		$(meson_bool_true llvm) \
		$(meson_bool_true gallium-nine) \
		$(meson_bool_true shared-llvm) \
		$(meson_bool_true glvnd) \
		${myopts} \
		|| die

	mninja || die
}

src_install_mesa()
{
	DESTDIR=${BINDIR} mninja install || die

	# remove all la files
	find ${BINDIR} -name \*.la | xargs rm -fv

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

		minstalldir /etc/env.d || die
		MCONFIG=/etc/env.d/09mesa-${abi}
		mclearconfig || die
		maddconfig "LIBGL_DRIVERS_PATH=/usr/$(mlibdir)/dri" || die
	done

	# remove xa-tracker
	mdelete /usr/$(mlibdir)/libxatracker.\* || die
	if [[ $(mlibdir) != lib ]]
	then
		mdelete /usr/lib/libxatracker.\* || die
	fi

	# remove dri-drivers
	mdelete /usr/$(mlibdir)/dri/\*_dri.so || die
	if [[ $(mlibdir) != lib ]]
	then
		mdelete /usr/lib/dri/\*_dri.so || die
	fi

if [[ ${ENABLE_VDPAU} = 1 ]]
then
	# remove vdpau-drivers, they are in extra packages
	mdelete -r /usr/$(mlibdir)/vdpau || die
	if [[ $(mlibdir) != lib ]]
	then
		mdelete -r /usr/lib/vdpau || die
	fi
fi

if [[ ${ENABLE_VAAPI} = 1 ]]
then
	# remove vaapi-drivers, they are in extra packages
	mdelete /usr/$(mlibdir)/dri/\*_drv_video.so || die
	if [[ $(mlibdir) != lib ]]
	then
		mdelete /usr/lib/dri/\*_drv_video.so || die
	fi
fi

	# remove vulkan drivers, headers, configs
	mdelete -r /usr/include/vulkan || die
	mdelete -r /usr/share/vulkan || die
	mdelete /usr/$(mlibdir)/libvulkan_\*.so || die

	# remove libd3d
	mdelete -r /usr/include/d3dadapter || die
	mdelete -r /usr/$(mlibdir)/d3d || die
	mdelete /usr/$(mlibdir)/pkgconfig/d3d.pc || die
	if [[ $(mlibdir) != lib ]]
	then
		mdelete -r /usr/lib/d3d || die
		mdelete /usr/lib/pkgconfig/d3d.pc || die
	fi

	# support indirect rendering
	mlink libGLX_mesa.so.0 /usr/$(mlibdir)/libGLX_indirect.so.0 || die
	if [[ $(mlibdir) != lib ]]
	then
		mlink libGLX_mesa.so.0 /usr/lib/libGLX_indirect.so.0 || die
	fi

	if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
	then
		mdelete -r /usr/include || die
		mdelete -r /usr/$(mlibdir)/pkgconfig
		if [[ $(mlibdir) != lib ]]
		then
			mdelete -r /usr/lib/pkgconfig
		fi
	fi
}

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

	# remove all la files
	find ${BINDIR} -name \*.la | xargs rm -fv

	zapmost ${BINDIR} \
		usr/include \
		usr/$(mlibdir)/pkgconfig \
		$([[ $(mlibdir) != lib ]] && echo 'usr/lib/pkgconfig') \
		|| die

	# remove vulkan drivers, headers, configs
	mdelete -r /usr/include/vulkan || die

	# remove libd3d
	mdelete -r /usr/include/d3dadapter || die
	mdelete /usr/$(mlibdir)/pkgconfig/d3d.pc || die
	if [[ $(mlibdir) != lib ]]
	then
		mdelete /usr/lib/pkgconfig/d3d.pc || die
	fi
}

src_install_mesa-xa-tracker()
{
	DESTDIR=${BINDIR} mninja install || die

	zapmost ${BINDIR} \
		usr/$(mlibdir)/libxatracker.* \
		$([[ $(mlibdir) != lib ]] && echo 'usr/lib/libxatracker.*') \
		|| die
}

src_install_libd3d()
{
	DESTDIR=${BINDIR} mninja install || die

	zapmost ${BINDIR} \
		usr/include/d3dadapter \
		usr/$(mlibdir)/d3d \
		$([[ $(mlibdir) != lib ]] && echo 'usr/lib/d3d') \
		usr/$(mlibdir)/pkgconfig/d3d.pc \
		$([[ $(mlibdir) != lib ]] && echo 'usr/lib/pkgconfig/d3d.pc') \
		|| die

	if [[ ${ENABLE_DEV_PACKAGES} = 1 ]]
	then
		mdelete -r /usr/include || die
		mdelete -r /usr/$(mlibdir)/pkgconfig
		if [[ $(mlibdir) != lib ]]
		then
			mdelete -r /usr/lib/pkgconfig
		fi
	fi
}

src_install_libd3d-dev()
{
	DESTDIR=${BINDIR} mninja install || die

	zapmost ${BINDIR} \
		usr/include/d3dadapter \
		usr/$(mlibdir)/pkgconfig/d3d.pc \
		$([[ $(mlibdir) != lib ]] && echo 'usr/lib/pkgconfig/d3d.pc') \
		|| die
}

src_install_mesa-dri-i915()
{
	install_dri_driver i915 || die
}

src_install_mesa-dri-i965()
{
	install_dri_driver i965 || die
}

src_install_mesa-dri-nouveau()
{
	install_dri_driver nouveau nouveau_vieux || die
}

src_install_mesa-dri-r200()
{
	install_dri_driver r200 || die
}

src_install_mesa-dri-r100()
{
	install_dri_driver radeon || die
}

src_install_mesa-dri-r300()
{
	install_dri_driver r300 || die
}

src_install_mesa-dri-r600()
{
	install_dri_driver r600 || die
}

src_install_mesa-dri-radeonsi()
{
	install_dri_driver radeonsi || die
}

src_install_mesa-dri-swrast()
{
	install_dri_driver swrast kms_swrast || die
}

src_install_mesa-dri-svga()
{
	install_dri_driver vmwgfx || die
}

src_install_mesa-dri-virgl()
{
	install_dri_driver virtio_gpu || die
}

src_install_mesa-dri-iris()
{
	install_dri_driver iris || die
}

src_install_mesa-vulkan-radeon()
{
	install_vulkan_driver radeon || die
}

src_install_mesa-vulkan-radeon-dev()
{
	install_vulkan_driver_dev radeon || die
}

src_install_mesa-vulkan-intel()
{
	install_vulkan_driver intel || die
}

src_install_mesa-vulkan-intel-dev()
{
	install_vulkan_driver_dev intel || die
}

src_install_mesa-vdpau-nouveau()
{
	install_vdpau_driver nouveau || die
}

src_install_mesa-vdpau-r300()
{
	install_vdpau_driver r300 || die
}

src_install_mesa-vdpau-r600()
{
	install_vdpau_driver r600 || die
}

src_install_mesa-vdpau-radeonsi()
{
	install_vdpau_driver radeonsi || die
}

src_install_mesa-vaapi-nouveau()
{
	install_vaapi_driver nouveau || die
}

src_install_mesa-vaapi-r600()
{
	install_vaapi_driver r600 || die
}

src_install_mesa-vaapi-radeonsi()
{
	install_vaapi_driver radeonsi || die
}

preinstall_mesa()
{
	local i

	# clean up deprecated dynamic opengl symlinks in favor of libglvnd
	for i in GL/{gl,glx,glext,glxext}.h \
		EGL/{eglextchromium,eglext,egl,eglmesaext,eglplatform}.h \
		GLES/{egl,glextm,gl,glplatform}.h \
		GLES2/{gl2ext,gl2,gl2platform}.h \
		GLES3/{gl31,gl3ext,gl3,gl3platform}.h \
		KHR/khrplatform.h
	do
		if [ -L ${MROOT}/usr/include/${i} ]
		then
			echo "pruning dynamic opengl symlink '${MROOT}/usr/include/${i}'"
			rm ${MROOT}/usr/include/${i}
		fi
	done
}

postinstall_mesa()
{
	echo "Searching deprecated package 'opengl-update'..."
	if [[ ! -z $(magequery -n opengl-update) ]]
	then
		echo "Uninstalling deprecated package 'opengl-update'..."
		mage uninstall opengl-update
	fi
}