media-libs/mesa: Version bump to 20.2.3

Bug: https://bugs.gentoo.org/750098
Signed-off-by: Matt Turner <mattst88@gentoo.org>

2 files changed, 552 insertions, 0 deletions

diff --git a/media-libs/mesa/Manifest b/media-libs/mesa/Manifest
index 0a8bac306a53..c6b39981ff43 100644
--- a/media-libs/mesa/Manifest
+++ b/media-libs/mesa/Manifest
@@ -1,5 +1,6 @@
 DIST mesa-20.1.10.tar.xz 12918420 BLAKE2B 408f4bc6eb0dc11199cd161d6914b77cb57313bca94f26794cbfd05332922c45dc216a64e33df9fad64cd41e1ad8b2de6c2e5f99cad234870f7a5b970a62dcbd SHA512 0d4016abfcc733c853d7b6c3c997ddc554a44088c0a4d9a7edb51ab5ad7d9e1234728b61ffcb9c82a6c5fee1429091a1c31cbeabcb1b50411337b99ee550d28a
 DIST mesa-20.2.1.tar.xz 13777748 BLAKE2B ee8b9896b9cba99e6c2ae0ab6ec3c92cba6f53e4277df708aa50a97c2752e8fc2e6cd998a7e27336124665c15aa21b7af9ce012406a66b9cfaaa59a8afa81c0f SHA512 5d609359754db3e3679bffd5306c1f1d1cf46a2ea98428a9451fe0d99bbf73da863c5d94e6561712cd2012ad13615666cf3d712e54f379b34c091fead39d4795
 DIST mesa-20.2.2.tar.xz 13809384 BLAKE2B e18b7a107979c307d51b761f8d7306a4d1b5e3b934e3c7b3d267c9fa795a770263b60791fa8f2a6aa3697c8092c718e90fe0101d7cdc94cec464c4d315293098 SHA512 36673a44fad8c6db3516b23b75825a52df520b9fe1387160301dd5051f420ebf0d1c7b4f8ff96a5547b79c2ba42fd782305ae23ac956f688b695c07b8fe73192
+DIST mesa-20.2.3.tar.xz 13844212 BLAKE2B 53eff6d43d2e05dad051c30de624bd8d872e87d6f1d2f32b631b1c4fea657b8dd9b2d5b9702bdd9138b0d9d6c78b74d737162d3f1c76ca969ce6d9ae4f561eda SHA512 e55b57523f6fdb1199586538c119c3e7c81d1a7af86be14c90d140c514f65e54ac0c56bd341686d04b770b80d3ddd92188ee17b3bc23f243aed10c25de7e19a6
 DIST mesa-20.3.0-rc1.tar.xz 14061760 BLAKE2B de91a4a991dcaecb8c31120e11d73b99dec994f7114d3c38f851193f0f7264a41917174c3895e6b9eecded1267e78ecbc311c45ca5a548959d40755db75d6133 SHA512 6da8ff9360da2d92e06ea722035d31b2fe68d360d6a64ca8209376cf62933f8e42a7b632aba5d13834fab1467dce6a1dca9d52a54a65c5c5e1b018905b0038b3
 DIST mesa-20.3.0-rc2.tar.xz 14085024 BLAKE2B c87e3e48ed1dfec2da4fa6bbb549fc925d806f8681e8dc1b3fc3b54eec4864402bb34009a95998c1fc818ddb7d1df2d51347df3d20ec9e4364245ae4f750f16d SHA512 1d94100550b60a0dc6e984d898114b11b8656e2954e946478a2732cec678d1e6a0f07bb5bcdc856facf7e274aea52cfc2b4228c064eadc7bbc00147c6b17cc0e
diff --git a/media-libs/mesa/mesa-20.2.3.ebuild b/media-libs/mesa/mesa-20.2.3.ebuild
new file mode 100644
index 000000000000..e1622cc2b02e
--- /dev/null
+++ b/media-libs/mesa/mesa-20.2.3.ebuild
@@ -0,0 +1,551 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7,8,9} )
+
+inherit llvm meson multilib-minimal python-any-r1 linux-info
+
+OPENGL_DIR="xorg-x11"
+
+MY_P="${P/_/-}"
+
+DESCRIPTION="OpenGL-like graphic library for Linux"
+HOMEPAGE="https://www.mesa3d.org/ https://mesa.freedesktop.org/"
+
+if [[ ${PV} == 9999 ]]; then
+	EGIT_REPO_URI="https://gitlab.freedesktop.org/mesa/mesa.git"
+	inherit git-r3
+else
+	SRC_URI="https://archive.mesa3d.org/${MY_P}.tar.xz"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~sparc-solaris ~x64-solaris ~x86-solaris"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+RESTRICT="
+	!test? ( test )
+"
+
+RADEON_CARDS="r100 r200 r300 r600 radeon radeonsi"
+VIDEO_CARDS="${RADEON_CARDS} freedreno i915 i965 intel iris lima nouveau panfrost v3d vc4 virgl vivante vmware"
+for card in ${VIDEO_CARDS}; do
+	IUSE_VIDEO_CARDS+=" video_cards_${card}"
+done
+
+IUSE="${IUSE_VIDEO_CARDS}
+	+classic d3d9 debug +dri3 +egl +gallium +gbm gles1 +gles2 +llvm
+	lm-sensors opencl osmesa selinux test unwind vaapi valgrind vdpau vulkan
+	vulkan-overlay wayland +X xa xvmc zink +zstd"
+
+REQUIRED_USE="
+	d3d9?   ( dri3 || ( video_cards_iris video_cards_r300 video_cards_r600 video_cards_radeonsi video_cards_nouveau video_cards_vmware ) )
+	gles1?  ( egl )
+	gles2?  ( egl )
+	vulkan? ( dri3
+			  video_cards_radeonsi? ( llvm ) )
+	vulkan-overlay? ( vulkan )
+	wayland? ( egl gbm )
+	video_cards_freedreno?  ( gallium )
+	video_cards_intel?  ( classic )
+	video_cards_i915?   ( || ( classic gallium ) )
+	video_cards_i965?   ( classic )
+	video_cards_iris?   ( gallium )
+	video_cards_lima?   ( gallium )
+	video_cards_nouveau? ( || ( classic gallium ) )
+	video_cards_panfrost? ( gallium )
+	video_cards_radeon? ( || ( classic gallium )
+						  gallium? ( x86? ( llvm ) amd64? ( llvm ) ) )
+	video_cards_r100?   ( classic )
+	video_cards_r200?   ( classic )
+	video_cards_r300?   ( gallium x86? ( llvm ) amd64? ( llvm ) )
+	video_cards_r600?   ( gallium )
+	video_cards_radeonsi?   ( gallium llvm )
+	video_cards_v3d? ( gallium )
+	video_cards_vc4? ( gallium )
+	video_cards_virgl? ( gallium )
+	video_cards_vivante? ( gallium gbm )
+	video_cards_vmware? ( gallium )
+	xa? ( X )
+	xvmc? ( X )
+	zink? ( gallium vulkan )
+"
+
+LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.100"
+RDEPEND="
+	>=dev-libs/expat-2.1.0-r3:=[${MULTILIB_USEDEP}]
+	>=media-libs/libglvnd-1.3.2[X?,${MULTILIB_USEDEP}]
+	>=sys-libs/zlib-1.2.8[${MULTILIB_USEDEP}]
+	gallium? (
+		unwind? ( sys-libs/libunwind[${MULTILIB_USEDEP}] )
+		llvm? (
+			video_cards_radeonsi? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+			video_cards_r600? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+			video_cards_radeon? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+		)
+		lm-sensors? ( sys-apps/lm-sensors:=[${MULTILIB_USEDEP}] )
+		opencl? (
+					>=virtual/opencl-3[${MULTILIB_USEDEP}]
+					dev-libs/libclc
+					virtual/libelf:0=[${MULTILIB_USEDEP}]
+				)
+		vaapi? (
+			>=x11-libs/libva-1.7.3:=[${MULTILIB_USEDEP}]
+		)
+		vdpau? ( >=x11-libs/libvdpau-1.1:=[${MULTILIB_USEDEP}] )
+		xvmc? ( >=x11-libs/libXvMC-1.0.8:=[${MULTILIB_USEDEP}] )
+	)
+	selinux? ( sys-libs/libselinux[${MULTILIB_USEDEP}] )
+	wayland? (
+		>=dev-libs/wayland-1.15.0:=[${MULTILIB_USEDEP}]
+		>=dev-libs/wayland-protocols-1.8
+	)
+	${LIBDRM_DEPSTRING}[video_cards_freedreno?,video_cards_nouveau?,video_cards_vc4?,video_cards_vivante?,video_cards_vmware?,${MULTILIB_USEDEP}]
+	video_cards_intel? (
+		!video_cards_i965? ( ${LIBDRM_DEPSTRING}[video_cards_intel] )
+	)
+	video_cards_i915? ( ${LIBDRM_DEPSTRING}[video_cards_intel] )
+	vulkan-overlay? ( dev-util/glslang:0=[${MULTILIB_USEDEP}] )
+	X? (
+		>=x11-libs/libX11-1.6.2:=[${MULTILIB_USEDEP}]
+		>=x11-libs/libxshmfence-1.1:=[${MULTILIB_USEDEP}]
+		>=x11-libs/libXdamage-1.1.4-r1:=[${MULTILIB_USEDEP}]
+		>=x11-libs/libXext-1.3.2:=[${MULTILIB_USEDEP}]
+		>=x11-libs/libXxf86vm-1.1.3:=[${MULTILIB_USEDEP}]
+		>=x11-libs/libxcb-1.13:=[${MULTILIB_USEDEP}]
+		x11-libs/libXfixes:=[${MULTILIB_USEDEP}]
+	)
+	zink? ( media-libs/vulkan-loader:=[${MULTILIB_USEDEP}] )
+	zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
+"
+for card in ${RADEON_CARDS}; do
+	RDEPEND="${RDEPEND}
+		video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_radeon] )
+	"
+done
+RDEPEND="${RDEPEND}
+	video_cards_radeonsi? ( ${LIBDRM_DEPSTRING}[video_cards_amdgpu] )
+"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling one than more slot
+# simultaneously.
+#
+# How to use it:
+# 1. List all the working slots (with min versions) in ||, newest first.
+# 2. Update the := to specify *max* version, e.g. < 10.
+# 3. Specify LLVM_MAX_SLOT, e.g. 9.
+LLVM_MAX_SLOT="11"
+LLVM_DEPSTR="
+	|| (
+		sys-devel/llvm:11[${MULTILIB_USEDEP}]
+		sys-devel/llvm:10[${MULTILIB_USEDEP}]
+		sys-devel/llvm:9[${MULTILIB_USEDEP}]
+	)
+	<sys-devel/llvm-$((LLVM_MAX_SLOT + 1)):=[${MULTILIB_USEDEP}]
+"
+LLVM_DEPSTR_AMDGPU=${LLVM_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+CLANG_DEPSTR=${LLVM_DEPSTR//llvm/clang}
+CLANG_DEPSTR_AMDGPU=${CLANG_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+RDEPEND="${RDEPEND}
+	gallium? (
+		llvm? (
+			opencl? (
+				video_cards_r600? (
+					${CLANG_DEPSTR_AMDGPU}
+				)
+				!video_cards_r600? (
+					video_cards_radeonsi? (
+						${CLANG_DEPSTR_AMDGPU}
+					)
+				)
+				!video_cards_r600? (
+					!video_cards_radeonsi? (
+						video_cards_radeon? (
+							${CLANG_DEPSTR_AMDGPU}
+						)
+					)
+				)
+				!video_cards_r600? (
+					!video_cards_radeon? (
+						!video_cards_radeonsi? (
+							${CLANG_DEPSTR}
+						)
+					)
+				)
+			)
+			!opencl? (
+				video_cards_r600? (
+					${LLVM_DEPSTR_AMDGPU}
+				)
+				!video_cards_r600? (
+					video_cards_radeonsi? (
+						${LLVM_DEPSTR_AMDGPU}
+					)
+				)
+				!video_cards_r600? (
+					!video_cards_radeonsi? (
+						video_cards_radeon? (
+							${LLVM_DEPSTR_AMDGPU}
+						)
+					)
+				)
+				!video_cards_r600? (
+					!video_cards_radeon? (
+						!video_cards_radeonsi? (
+							${LLVM_DEPSTR}
+						)
+					)
+				)
+			)
+		)
+	)
+"
+unset {LLVM,CLANG}_DEPSTR{,_AMDGPU}
+
+DEPEND="${RDEPEND}
+	valgrind? ( dev-util/valgrind )
+	X? (
+		x11-libs/libXrandr[${MULTILIB_USEDEP}]
+		x11-base/xorg-proto
+	)
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	opencl? (
+		>=sys-devel/gcc-4.6
+	)
+	sys-devel/bison
+	sys-devel/flex
+	virtual/pkgconfig
+	$(python_gen_any_dep ">=dev-python/mako-0.8.0[\${PYTHON_USEDEP}]")
+"
+
+S="${WORKDIR}/${MY_P}"
+EGIT_CHECKOUT_DIR=${S}
+
+QA_WX_LOAD="
+x86? (
+	usr/lib*/libglapi.so.0.0.0
+	usr/lib*/libGLESv1_CM.so.1.1.0
+	usr/lib*/libGLESv2.so.2.0.0
+	usr/lib*/libGL.so.1.2.0
+	usr/lib*/libOSMesa.so.8.0.0
+	usr/lib/libGLX_mesa.so.0.0.0
+)"
+
+llvm_check_deps() {
+	local flags=${MULTILIB_USEDEP}
+	if use video_cards_r600 || use video_cards_radeon || use video_cards_radeonsi
+	then
+		flags+=",llvm_targets_AMDGPU(-)"
+	fi
+
+	if use opencl; then
+		has_version "sys-devel/clang:${LLVM_SLOT}[${flags}]" || return 1
+	fi
+	has_version "sys-devel/llvm:${LLVM_SLOT}[${flags}]"
+}
+
+pkg_pretend() {
+	if use vulkan; then
+		if ! use video_cards_i965 &&
+		   ! use video_cards_iris &&
+		   ! use video_cards_radeonsi; then
+			ewarn "Ignoring USE=vulkan     since VIDEO_CARDS does not contain i965, iris, or radeonsi"
+		fi
+	fi
+
+	if use opencl; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi; then
+			ewarn "Ignoring USE=opencl     since VIDEO_CARDS does not contain r600 or radeonsi"
+		fi
+	fi
+
+	if use vaapi; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=vaapi      since VIDEO_CARDS does not contain r600, radeonsi, or nouveau"
+		fi
+	fi
+
+	if use vdpau; then
+		if ! use video_cards_r300 &&
+		   ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=vdpau      since VIDEO_CARDS does not contain r300, r600, radeonsi, or nouveau"
+		fi
+	fi
+
+	if use xa; then
+		if ! use video_cards_freedreno &&
+		   ! use video_cards_nouveau &&
+		   ! use video_cards_vmware; then
+			ewarn "Ignoring USE=xa         since VIDEO_CARDS does not contain freedreno, nouveau, or vmware"
+		fi
+	fi
+
+	if use xvmc; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=xvmc       since VIDEO_CARDS does not contain r600 or nouveau"
+		fi
+	fi
+
+	if ! use gallium; then
+		use lm-sensors && ewarn "Ignoring USE=lm-sensors since USE does not contain gallium"
+		use llvm       && ewarn "Ignoring USE=llvm       since USE does not contain gallium"
+		use opencl     && ewarn "Ignoring USE=opencl     since USE does not contain gallium"
+		use vaapi      && ewarn "Ignoring USE=vaapi      since USE does not contain gallium"
+		use vdpau      && ewarn "Ignoring USE=vdpau      since USE does not contain gallium"
+		use unwind     && ewarn "Ignoring USE=unwind     since USE does not contain gallium"
+		use xa         && ewarn "Ignoring USE=xa         since USE does not contain gallium"
+		use xvmc       && ewarn "Ignoring USE=xvmc       since USE does not contain gallium"
+	fi
+
+	if ! use llvm; then
+		use opencl     && ewarn "Ignoring USE=opencl     since USE does not contain llvm"
+	fi
+}
+
+python_check_deps() {
+	has_version -b ">=dev-python/mako-0.8.0[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	# warning message for bug 459306
+	if use llvm && has_version sys-devel/llvm[!debug=]; then
+		ewarn "Mismatch between debug USE flags in media-libs/mesa and sys-devel/llvm"
+		ewarn "detected! This can cause problems. For details, see bug 459306."
+	fi
+
+	if use video_cards_i965 ||
+	   use video_cards_iris ||
+	   use video_cards_radeonsi; then
+		CONFIG_CHECK="~CHECKPOINT_RESTORE"
+		linux-info_pkg_setup
+	fi
+
+	if use gallium && use llvm; then
+		llvm_pkg_setup
+	fi
+	python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	local emesonargs=()
+
+	if use classic; then
+		# Intel code
+		dri_driver_enable video_cards_i915 i915
+		dri_driver_enable video_cards_i965 i965
+		if ! use video_cards_i915 && \
+			! use video_cards_i965; then
+			dri_driver_enable video_cards_intel i915 i965
+		fi
+
+		# Nouveau code
+		dri_driver_enable video_cards_nouveau nouveau
+
+		# ATI code
+		dri_driver_enable video_cards_r100 r100
+		dri_driver_enable video_cards_r200 r200
+		if ! use video_cards_r100 && \
+			! use video_cards_r200; then
+			dri_driver_enable video_cards_radeon r100 r200
+		fi
+	fi
+
+	local platforms
+	use X && platforms+="x11"
+	use wayland && platforms+=",wayland"
+	[[ -n $platforms ]] && emesonargs+=(-Dplatforms=${platforms#,})
+
+	if use gallium; then
+		emesonargs+=(
+			$(meson_feature llvm)
+			$(meson_feature lm-sensors lmsensors)
+			$(meson_feature unwind libunwind)
+		)
+
+		if use video_cards_iris ||
+		   use video_cards_r300 ||
+		   use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau ||
+		   use video_cards_vmware; then
+			emesonargs+=($(meson_use d3d9 gallium-nine))
+		else
+			emesonargs+=(-Dgallium-nine=false)
+		fi
+
+		if use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_feature vaapi gallium-va))
+			use vaapi && emesonargs+=( -Dva-libs-path="${EPREFIX}"/usr/$(get_libdir)/va/drivers )
+		else
+			emesonargs+=(-Dgallium-va=disabled)
+		fi
+
+		if use video_cards_r300 ||
+		   use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_feature vdpau gallium-vdpau))
+		else
+			emesonargs+=(-Dgallium-vdpau=disabled)
+		fi
+
+		if use video_cards_freedreno ||
+		   use video_cards_nouveau ||
+		   use video_cards_vmware; then
+			emesonargs+=($(meson_feature xa gallium-xa))
+		else
+			emesonargs+=(-Dgallium-xa=disabled)
+		fi
+
+		if use video_cards_r600 ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_feature xvmc gallium-xvmc))
+		else
+			emesonargs+=(-Dgallium-xvmc=disabled)
+		fi
+
+		if use video_cards_freedreno ||
+		   use video_cards_lima ||
+		   use video_cards_panfrost ||
+		   use video_cards_v3d ||
+		   use video_cards_vc4 ||
+		   use video_cards_vivante; then
+			gallium_enable -- kmsro
+		fi
+
+		gallium_enable video_cards_lima lima
+		gallium_enable video_cards_panfrost panfrost
+		gallium_enable video_cards_v3d v3d
+		gallium_enable video_cards_vc4 vc4
+		gallium_enable video_cards_vivante etnaviv
+		gallium_enable video_cards_vmware svga
+		gallium_enable video_cards_nouveau nouveau
+		gallium_enable zink zink
+
+		# Only one i915 driver (classic vs gallium). Default to classic.
+		if ! use classic; then
+			gallium_enable video_cards_i915 i915
+			if ! use video_cards_i915 && \
+				! use video_cards_i965; then
+				gallium_enable video_cards_intel i915
+			fi
+		fi
+
+		gallium_enable video_cards_iris iris
+
+		gallium_enable video_cards_r300 r300
+		gallium_enable video_cards_r600 r600
+		gallium_enable video_cards_radeonsi radeonsi
+		if ! use video_cards_r300 && \
+			! use video_cards_r600; then
+			gallium_enable video_cards_radeon r300 r600
+		fi
+
+		gallium_enable video_cards_freedreno freedreno
+		gallium_enable video_cards_virgl virgl
+
+		# opencl stuff
+		emesonargs+=(
+			-Dgallium-opencl="$(usex opencl icd disabled)"
+		)
+	fi
+
+	if use vulkan; then
+		vulkan_enable video_cards_i965 intel
+		vulkan_enable video_cards_iris intel
+		vulkan_enable video_cards_radeonsi amd
+	fi
+
+	if use gallium; then
+		gallium_enable -- swrast
+		emesonargs+=( -Dosmesa=$(usex osmesa gallium none) )
+	else
+		dri_driver_enable -- swrast
+		emesonargs+=( -Dosmesa=$(usex osmesa classic none) )
+	fi
+
+	driver_list() {
+		local drivers="$(sort -u <<< "${1// /$'\n'}")"
+		echo "${drivers//$'\n'/,}"
+	}
+
+	emesonargs+=(
+		$(meson_use test build-tests)
+		-Dglx=$(usex X dri disabled)
+		-Dglvnd=true
+		-Dshared-glapi=true
+		$(meson_feature dri3)
+		$(meson_feature egl)
+		$(meson_feature gbm)
+		$(meson_feature gles1)
+		$(meson_feature gles2)
+		$(meson_use selinux)
+		$(meson_feature zstd)
+		-Dvalgrind=$(usex valgrind auto false)
+		-Ddri-drivers=$(driver_list "${DRI_DRIVERS[*]}")
+		-Dgallium-drivers=$(driver_list "${GALLIUM_DRIVERS[*]}")
+		-Dvulkan-drivers=$(driver_list "${VULKAN_DRIVERS[*]}")
+		$(meson_use vulkan vulkan-device-select-layer)
+		$(meson_use vulkan-overlay vulkan-overlay-layer)
+		--buildtype $(usex debug debug plain)
+		-Db_ndebug=$(usex debug false true)
+	)
+	meson_src_configure
+}
+
+multilib_src_compile() {
+	meson_src_compile
+}
+
+multilib_src_install() {
+	meson_src_install
+}
+
+multilib_src_install_all() {
+	einstalldocs
+}
+
+multilib_src_test() {
+	meson_src_test -t 100
+}
+
+# $1 - VIDEO_CARDS flag (check skipped for "--")
+# other args - names of DRI drivers to enable
+dri_driver_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		DRI_DRIVERS+=("$@")
+	fi
+}
+
+gallium_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		GALLIUM_DRIVERS+=("$@")
+	fi
+}
+
+vulkan_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		VULKAN_DRIVERS+=("$@")
+	fi
+}