--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python3_4 python3_5 python3_6 python3_7 )
+
+inherit llvm meson multilib-minimal pax-utils python-any-r1
+
+OPENGL_DIR="xorg-x11"
+
+MY_P="${P/_/-}"
+
+DESCRIPTION="OpenGL-like graphic library for Linux"
+HOMEPAGE="https://www.mesa3d.org/ https://mesa.freedesktop.org/"
+
+if [[ ${PV} == 9999 ]]; then
+ EGIT_REPO_URI="https://gitlab.freedesktop.org/mesa/mesa.git"
+ EXPERIMENTAL="true"
+ inherit git-r3
+else
+ SRC_URI="https://mesa.freedesktop.org/archive/${MY_P}.tar.xz"
+ KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~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 imx intel nouveau vc4 virgl vivante vmware"
+for card in ${VIDEO_CARDS}; do
+ IUSE_VIDEO_CARDS+=" video_cards_${card}"
+done
+
+IUSE="${IUSE_VIDEO_CARDS}
+ +classic d3d9 debug +dri3 +egl +gallium +gbm gles1 gles2 +llvm lm_sensors
+ opencl osmesa pax_kernel pic selinux test unwind vaapi valgrind vdpau
+ vulkan wayland xa xvmc"
+
+REQUIRED_USE="
+ d3d9? ( dri3 || ( video_cards_r300 video_cards_r600 video_cards_radeonsi video_cards_nouveau video_cards_vmware ) )
+ gles1? ( egl )
+ gles2? ( egl )
+ vulkan? ( dri3
+ || ( video_cards_i965 video_cards_radeonsi )
+ video_cards_radeonsi? ( llvm ) )
+ wayland? ( egl gbm )
+ video_cards_freedreno? ( gallium )
+ video_cards_intel? ( classic )
+ video_cards_i915? ( || ( classic gallium ) )
+ video_cards_i965? ( classic )
+ video_cards_imx? ( gallium video_cards_vivante )
+ video_cards_nouveau? ( || ( classic gallium ) )
+ video_cards_radeon? ( || ( classic gallium )
+ gallium? ( x86? ( llvm ) amd64? ( llvm ) ) )
+ video_cards_r100? ( classic )
+ video_cards_r200? ( classic )
+ video_cards_r300? ( gallium x86? ( llvm ) amd64? ( llvm ) )
+ video_cards_r600? ( gallium )
+ video_cards_radeonsi? ( gallium llvm )
+ video_cards_vc4? ( gallium )
+ video_cards_virgl? ( gallium )
+ video_cards_vivante? ( gallium gbm )
+ video_cards_vmware? ( gallium )
+"
+
+LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.96"
+RDEPEND="
+ !app-eselect/eselect-mesa
+ >=app-eselect/eselect-opengl-1.3.0
+ >=dev-libs/expat-2.1.0-r3:=[${MULTILIB_USEDEP}]
+ >=sys-libs/zlib-1.2.8[${MULTILIB_USEDEP}]
+ >=x11-libs/libX11-1.6.2:=[${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}]
+ 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:=[${MULTILIB_USEDEP}] )
+ opencl? (
+ dev-libs/ocl-icd[khronos-headers,${MULTILIB_USEDEP}]
+ dev-libs/libclc
+ virtual/libelf:0=[${MULTILIB_USEDEP}]
+ )
+ vaapi? (
+ >=x11-libs/libva-1.7.3:=[${MULTILIB_USEDEP}]
+ video_cards_nouveau? ( !<=x11-libs/libva-vdpau-driver-0.7.4-r3 )
+ )
+ vdpau? ( >=x11-libs/libvdpau-1.1:=[${MULTILIB_USEDEP}] )
+ xvmc? ( >=x11-libs/libXvMC-1.0.8:=[${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] )
+"
+for card in ${RADEON_CARDS}; do
+ RDEPEND="${RDEPEND}
+ video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_radeon] )
+ "
+done
+RDEPEND="${RDEPEND}
+ video_cards_radeonsi? ( ${LIBDRM_DEPSTRING}[video_cards_amdgpu] )
+"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling one than more slot
+# simultaneously.
+#
+# How to use it:
+# 1. List all the working slots (with min versions) in ||, newest first.
+# 2. Update the := to specify *max* version, e.g. < 7.
+# 3. Specify LLVM_MAX_SLOT, e.g. 6.
+LLVM_MAX_SLOT="7"
+LLVM_DEPSTR="
+ || (
+ sys-devel/llvm:7[${MULTILIB_USEDEP}]
+ sys-devel/llvm:6[${MULTILIB_USEDEP}]
+ sys-devel/llvm:5[${MULTILIB_USEDEP}]
+ sys-devel/llvm:4[${MULTILIB_USEDEP}]
+ >=sys-devel/llvm-3.9.0:0[${MULTILIB_USEDEP}]
+ )
+ sys-devel/llvm:=[${MULTILIB_USEDEP}]
+"
+LLVM_DEPSTR_AMDGPU=${LLVM_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+CLANG_DEPSTR=${LLVM_DEPSTR//llvm/clang}
+CLANG_DEPSTR_AMDGPU=${CLANG_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+RDEPEND="${RDEPEND}
+ 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}
+ ${PYTHON_DEPS}
+ opencl? (
+ >=sys-devel/gcc-4.6
+ )
+ sys-devel/bison
+ sys-devel/flex
+ sys-devel/gettext
+ virtual/pkgconfig
+ valgrind? ( dev-util/valgrind )
+ x11-base/xorg-proto
+ x11-libs/libXrandr[${MULTILIB_USEDEP}]
+ $(python_gen_any_dep ">=dev-python/mako-0.8.0[\${PYTHON_USEDEP}]")
+"
+
+S="${WORKDIR}/${MY_P}"
+EGIT_CHECKOUT_DIR=${S}
+
+QA_WX_LOAD="
+x86? (
+ !pic? (
+ usr/lib*/libglapi.so.0.0.0
+ usr/lib*/libGLESv1_CM.so.1.0.0
+ usr/lib*/libGLESv2.so.2.0.0
+ usr/lib*/libGL.so.1.2.0
+ usr/lib*/libOSMesa.so.8.0.0
+ )
+)"
+
+llvm_check_deps() {
+ local flags=${MULTILIB_USEDEP}
+ if use video_cards_r600 || use video_cards_radeon || use video_cards_radeonsi
+ then
+ flags+=",llvm_targets_AMDGPU(-)"
+ fi
+
+ if use opencl; then
+ has_version "sys-devel/clang[${flags}]" || return 1
+ fi
+ has_version "sys-devel/llvm[${flags}]"
+}
+
+pkg_pretend() {
+ if use opencl; then
+ if ! use video_cards_r600 &&
+ ! use video_cards_radeonsi; then
+ ewarn "Ignoring USE=opencl since VIDEO_CARDS does not contain r600 or radeonsi"
+ fi
+ fi
+
+ if use vaapi; then
+ if ! use video_cards_r600 &&
+ ! use video_cards_radeonsi &&
+ ! use video_cards_nouveau; then
+ ewarn "Ignoring USE=vaapi since VIDEO_CARDS does not contain r600, radeonsi, or nouveau"
+ fi
+ fi
+
+ if use vdpau; then
+ if ! use video_cards_r300 &&
+ ! use video_cards_r600 &&
+ ! use video_cards_radeonsi &&
+ ! use video_cards_nouveau; then
+ ewarn "Ignoring USE=vdpau since VIDEO_CARDS does not contain r300, r600, radeonsi, or nouveau"
+ fi
+ fi
+
+ if use xa; then
+ if ! use video_cards_freedreno &&
+ ! use video_cards_nouveau &&
+ ! use video_cards_vmware; then
+ ewarn "Ignoring USE=xa since VIDEO_CARDS does not contain freedreno, nouveau, or vmware"
+ fi
+ fi
+
+ if use xvmc; then
+ if ! use video_cards_r600 &&
+ ! use video_cards_nouveau; then
+ ewarn "Ignoring USE=xvmc since VIDEO_CARDS does not contain r600 or nouveau"
+ fi
+ fi
+
+ if ! use gallium; then
+ use lm_sensors && ewarn "Ignoring USE=lm_sensors since USE does not contain gallium"
+ use llvm && ewarn "Ignoring USE=llvm since USE does not contain gallium"
+ use opencl && ewarn "Ignoring USE=opencl since USE does not contain gallium"
+ use vaapi && ewarn "Ignoring USE=vaapi since USE does not contain gallium"
+ use vdpau && ewarn "Ignoring USE=vdpau since USE does not contain gallium"
+ use unwind && ewarn "Ignoring USE=unwind since USE does not contain gallium"
+ use xa && ewarn "Ignoring USE=xa since USE does not contain gallium"
+ use xvmc && ewarn "Ignoring USE=xvmc since USE does not contain gallium"
+ fi
+
+ if ! use llvm; then
+ use opencl && ewarn "Ignoring USE=opencl since USE does not contain llvm"
+ fi
+}
+
+python_check_deps() {
+ has_version ">=dev-python/mako-0.8.0[${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 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=x11,surfaceless$(use wayland && echo ",wayland")$(use gbm && echo ",drm") )
+
+ if use gallium; then
+ emesonargs+=(
+ $(meson_use llvm)
+ $(meson_use lm_sensors lmsensors)
+ $(meson_use unwind libunwind)
+ )
+
+ if use video_cards_r300 ||
+ use video_cards_r600 ||
+ use video_cards_radeonsi ||
+ use video_cards_nouveau ||
+ use video_cards_vmware; then
+ emesonargs+=($(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
+
+ 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 video_cards_imx imx
+
+ # 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_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_radeonsi amd
+ fi
+
+ # x86 hardened pax_kernel needs glx-rts, bug 240956
+ if [[ ${ABI} == x86 ]]; then
+ emesonargs+=( $(meson_use pax_kernel glx-read-only-text) )
+ fi
+
+ # on abi_x86_32 hardened we need to have asm disable
+ if [[ ${ABI} == x86* ]] && use pic; then
+ emesonargs+=( -Dasm=false )
+ fi
+
+ if use gallium; then
+ gallium_enable -- swrast
+ emesonargs+=( -Dosmesa=$(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=dri
+ -Dshared-glapi=true
+ $(meson_use dri3)
+ $(meson_use egl)
+ $(meson_use gbm)
+ $(meson_use gles1)
+ $(meson_use gles2)
+ $(meson_use selinux)
+ -Dvalgrind=$(usex valgrind auto false)
+ -Ddri-drivers=$(driver_list "${DRI_DRIVERS[*]}")
+ -Dgallium-drivers=$(driver_list "${GALLIUM_DRIVERS[*]}")
+ -Dvulkan-drivers=$(driver_list "${VULKAN_DRIVERS[*]}")
+ --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
+}
+
+pkg_postinst() {
+ # Switch to the xorg implementation.
+ echo
+ eselect opengl set --use-old ${OPENGL_DIR}
+}
+
+# $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
+}