media-libs/mesa: Version bump to 20.1.0
authorMatt Turner <mattst88@gentoo.org>
Thu, 28 May 2020 21:04:52 +0000 (14:04 -0700)
committerMatt Turner <mattst88@gentoo.org>
Thu, 28 May 2020 21:09:33 +0000 (14:09 -0700)
Signed-off-by: Matt Turner <mattst88@gentoo.org>
media-libs/mesa/Manifest
media-libs/mesa/mesa-20.1.0.ebuild [new file with mode: 0644]

index 2e430f896b10c99c3fc2f42a95c5981f6b97030e..ea2b9a404947ead74aa760774df983b1d9ed601b 100644 (file)
@@ -2,3 +2,4 @@ DIST mesa-19.3.5.tar.xz 12064980 BLAKE2B a20ebfb149624f13951795e07154ab70dc1856a
 DIST mesa-20.0.4.tar.xz 12292888 BLAKE2B a14b747045ee4ff3bc07e527ad43d5b22047d6c9700cf290ba9c95e07bd88b9252bdd14380d4f0033dcb8fb652664987889d972db09462bcc69c8a7e843b606f SHA512 17d8bc3b56779a8e5648d81da9ee97b66bcec015710801edce4e8055fbb314cd9ebc1d112e3035480ba844c7d9ae6b5b1f1eac0cc0817e69e9253a7748451a55
 DIST mesa-20.0.7.tar.xz 12308160 BLAKE2B fac8dffd08ada27080ee4c6f1e0dce69218c8f15b97ca59d9a1dc84098b7d376cea6ccdf05957690beb47a7c2ecfd75497bfa150c7c46a0c509ba37abb0e5359 SHA512 00baae50f14bf2b08b5654dffb11cf67499dc1825e1700b137fb5719e767e0e78e789979df2c194f677ea9c5e531f34965d47b9e37c239944c38d0570c7a9685
 DIST mesa-20.1.0-rc4.tar.xz 12601932 BLAKE2B a7d02e7f8f155ae1591df8c07aad642109cabfc64c0d015605bc0baa10233830b423e5aa57be23e450628f5ffc6f8655ce3962aecea08504574e54d7b2e1aa01 SHA512 31358470a330294fa4842997cd2e6f00c4ee6cac10d6c264aa673a10d82c29051fea2e83629e2a638b659df4cb17f4e2b9d0fff1c6f6259d07d9db4dbfa10824
+DIST mesa-20.1.0.tar.xz 12661712 BLAKE2B cdd5f1d9167ed2c2d1e4f63d5c8ededbaf3d10fc31a6366535a3424b89137fafa34df29f59443ca97eb071cad502e10fa85c32ca33982018d7a50299130d76c7 SHA512 f49230d18febe1bfd7c6282ab95fc244530f5cef56df0f804d8bece8a70bafcb445b8b83df96ad1b4c5af022c4e39a71f19a8f7e47b1fb09ada2b1a1317ff3be
diff --git a/media-libs/mesa/mesa-20.1.0.ebuild b/media-libs/mesa/mesa-20.1.0.ebuild
new file mode 100644 (file)
index 0000000..ff71901
--- /dev/null
@@ -0,0 +1,559 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7,8} )
+
+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 [[ ${PV} == 9999 ]]; then
+       EGIT_REPO_URI="https://gitlab.freedesktop.org/mesa/mesa.git"
+       inherit git-r3
+else
+       SRC_URI="https://mesa.freedesktop.org/archive/${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 vc4 virgl vivante vmware"
+for card in ${VIDEO_CARDS}; do
+       IUSE_VIDEO_CARDS+=" video_cards_${card}"
+done
+
+IUSE="${IUSE_VIDEO_CARDS}
+       +classic d3d9 debug +dri3 +egl +gallium +gbm gles1 +gles2 +libglvnd +llvm
+       lm-sensors opencl osmesa selinux test unwind vaapi valgrind vdpau vulkan
+       vulkan-overlay wayland +X xa xvmc +zstd"
+
+REQUIRED_USE="
+       d3d9?   ( dri3 || ( video_cards_iris video_cards_r300 video_cards_r600 video_cards_radeonsi video_cards_nouveau video_cards_vmware ) )
+       gles1?  ( egl )
+       gles2?  ( egl )
+       vulkan? ( dri3
+                         video_cards_radeonsi? ( llvm ) )
+       vulkan-overlay? ( vulkan )
+       wayland? ( egl gbm )
+       video_cards_freedreno?  ( gallium )
+       video_cards_intel?  ( classic )
+       video_cards_i915?   ( || ( classic gallium ) )
+       video_cards_i965?   ( classic )
+       video_cards_iris?   ( gallium )
+       video_cards_lima?   ( gallium )
+       video_cards_nouveau? ( || ( classic gallium ) )
+       video_cards_panfrost? ( gallium )
+       video_cards_radeon? ( || ( classic gallium )
+                                                 gallium? ( x86? ( llvm ) amd64? ( llvm ) ) )
+       video_cards_r100?   ( classic )
+       video_cards_r200?   ( classic )
+       video_cards_r300?   ( gallium x86? ( llvm ) amd64? ( llvm ) )
+       video_cards_r600?   ( gallium )
+       video_cards_radeonsi?   ( gallium llvm )
+       video_cards_vc4? ( gallium )
+       video_cards_virgl? ( gallium )
+       video_cards_vivante? ( gallium gbm )
+       video_cards_vmware? ( gallium )
+       xa? ( X )
+       xvmc? ( X )
+"
+
+LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.100"
+RDEPEND="
+       !app-eselect/eselect-mesa
+       >=dev-libs/expat-2.1.0-r3:=[${MULTILIB_USEDEP}]
+       >=sys-libs/zlib-1.2.8[${MULTILIB_USEDEP}]
+       libglvnd? (
+               >=media-libs/libglvnd-1.2.0-r1[X?,${MULTILIB_USEDEP}]
+               !app-eselect/eselect-opengl
+       )
+       !libglvnd? (
+               >=app-eselect/eselect-opengl-1.3.0
+       )
+       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:=[${MULTILIB_USEDEP}]
+       )
+       zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
+"
+for card in ${RADEON_CARDS}; do
+       RDEPEND="${RDEPEND}
+               video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_radeon] )
+       "
+done
+RDEPEND="${RDEPEND}
+       video_cards_radeonsi? ( ${LIBDRM_DEPSTRING}[video_cards_amdgpu] )
+"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling one than more slot
+# simultaneously.
+#
+# How to use it:
+# 1. List all the working slots (with min versions) in ||, newest first.
+# 2. Update the := to specify *max* version, e.g. < 10.
+# 3. Specify LLVM_MAX_SLOT, e.g. 9.
+LLVM_MAX_SLOT="10"
+LLVM_DEPSTR="
+       || (
+               sys-devel/llvm:10[${MULTILIB_USEDEP}]
+               sys-devel/llvm:9[${MULTILIB_USEDEP}]
+               sys-devel/llvm:8[${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
+       sys-devel/gettext
+       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
+       libglvnd? ( 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
+
+       # os_same_file_description requires the kcmp syscall,
+       # which is only available with CONFIG_CHECKPOINT_RESTORE=y.
+       # Currently only AMDGPU utilizes this function, so only AMDGPU users would
+       # get a spooky warning message if the syscall fails.
+       if use gallium && 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
+
+       emesonargs+=( -Dplatforms=$(use X && echo "x11,")$(use wayland && echo "wayland,")$(use gbm && echo "drm,")surfaceless )
+
+       if use gallium; then
+               emesonargs+=(
+                       $(meson_use llvm)
+                       $(meson_use lm-sensors lmsensors)
+                       $(meson_use unwind libunwind)
+               )
+
+               if use video_cards_iris ||
+                  use video_cards_r300 ||
+                  use video_cards_r600 ||
+                  use video_cards_radeonsi ||
+                  use video_cards_nouveau ||
+                  use video_cards_vmware; then
+                       emesonargs+=($(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+=($(meson_use vaapi gallium-va))
+                       use vaapi && emesonargs+=( -Dva-libs-path="${EPREFIX}"/usr/$(get_libdir)/va/drivers )
+               else
+                       emesonargs+=(-Dgallium-va=false)
+               fi
+
+               if use video_cards_r300 ||
+                  use video_cards_r600 ||
+                  use video_cards_radeonsi ||
+                  use video_cards_nouveau; then
+                       emesonargs+=($(meson_use vdpau gallium-vdpau))
+               else
+                       emesonargs+=(-Dgallium-vdpau=false)
+               fi
+
+               if use video_cards_freedreno ||
+                  use video_cards_nouveau ||
+                  use video_cards_vmware; then
+                       emesonargs+=($(meson_use xa gallium-xa))
+               else
+                       emesonargs+=(-Dgallium-xa=false)
+               fi
+
+               if use video_cards_r600 ||
+                  use video_cards_nouveau; then
+                       emesonargs+=($(meson_use xvmc gallium-xvmc))
+               else
+                       emesonargs+=(-Dgallium-xvmc=false)
+               fi
+
+               if use video_cards_freedreno ||
+                  use video_cards_lima ||
+                  use video_cards_panfrost ||
+                  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_vc4 vc4
+               gallium_enable video_cards_vivante etnaviv
+               gallium_enable video_cards_vmware svga
+               gallium_enable video_cards_nouveau nouveau
+
+               # 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)
+               -Dshared-glapi=true
+               $(meson_use dri3)
+               $(meson_use egl)
+               $(meson_use gbm)
+               $(meson_use gles1)
+               $(meson_use gles2)
+               $(meson_use libglvnd glvnd)
+               $(meson_use selinux)
+               $(meson_use zstd)
+               -Dvalgrind=$(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-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 test -v -C "${BUILD_DIR}" -t 100
+}
+
+pkg_postinst() {
+       if ! use libglvnd; then
+               # Switch to the xorg implementation.
+               echo
+               eselect opengl set --use-old ${OPENGL_DIR}
+       fi
+}
+
+# $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
+}