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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
PYTHON_COMPAT=( python3_{10..12} )
# Check this on updates
LLVM_MAX_SLOT=15
inherit cmake flag-o-matic llvm toolchain-funcs python-single-r1
DESCRIPTION="Advanced shading language for production GI renderers"
HOMEPAGE="https://www.imageworks.com/technology/opensource https://github.com/AcademySoftwareFoundation/OpenShadingLanguage"
# If a development release, please don't keyword!
SRC_URI="https://github.com/AcademySoftwareFoundation/OpenShadingLanguage/archive/v${PV}.tar.gz -> ${P}.tar.gz"
S="${WORKDIR}/OpenShadingLanguage-${PV}"
LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm ~arm64 ~ppc64"
X86_CPU_FEATURES=(
sse2:sse2 sse3:sse3 ssse3:ssse3 sse4_1:sse4.1 sse4_2:sse4.2
avx:avx avx2:avx2 avx512f:avx512f f16c:f16c
)
CPU_FEATURES=( ${X86_CPU_FEATURES[@]/#/cpu_flags_x86_} )
IUSE="debug doc gui partio qt6 test ${CPU_FEATURES[@]%:*} python"
RESTRICT="!test? ( test )"
REQUIRED_USE="${PYTHON_REQUIRED_USE}"
RDEPEND="
dev-libs/boost:=
dev-libs/pugixml
>=media-libs/openexr-3:0=
>=media-libs/openimageio-2.3.12.0:=
<sys-devel/clang-$((${LLVM_MAX_SLOT} + 1)):=
sys-libs/zlib:=
python? (
${PYTHON_DEPS}
$(python_gen_cond_dep '
dev-python/pybind11[${PYTHON_USEDEP}]
')
)
partio? ( media-libs/partio )
gui? (
!qt6? (
dev-qt/qtcore:5
dev-qt/qtgui:5
dev-qt/qtwidgets:5
)
qt6? (
dev-qt/qtbase:6[gui,widgets]
)
)
"
DEPEND="${RDEPEND}"
BDEPEND="
sys-devel/bison
sys-devel/flex
virtual/pkgconfig
"
llvm_check_deps() {
has_version -r "sys-devel/clang:${LLVM_SLOT}"
}
pkg_setup() {
llvm_pkg_setup
use python && python-single-r1_pkg_setup
}
src_configure() {
# -Werror=lto-type-mismatch
# https://bugs.gentoo.org/875836
# https://github.com/AcademySoftwareFoundation/OpenShadingLanguage/issues/1810
filter-lto
local cpufeature
local mysimd=()
for cpufeature in "${CPU_FEATURES[@]}"; do
use "${cpufeature%:*}" && mysimd+=("${cpufeature#*:}")
done
local mybatched=()
use cpu_flags_x86_avx && mybatched+=(
"b8_AVX"
)
use cpu_flags_x86_avx2 && mybatched+=(
"b8_AVX2"
"b8_AVX2_noFMA"
)
use cpu_flags_x86_avx512f && mybatched+=(
"b8_AVX512"
"b8_AVX512_noFMA"
"b16_AVX512"
"b16_AVX512_noFMA"
)
# If no CPU SIMDs were used, completely disable them
[[ -z ${mysimd} ]] && mysimd=("0")
[[ -z ${mybatched} ]] && mybatched=("0")
# This is currently needed on arm64 to get the NEON SIMD wrapper to compile the code successfully
# Even if there are no SIMD features selected, it seems like the code will turn on NEON support if it is available.
use arm64 && append-flags -flax-vector-conversions
local gcc="$(tc-getCC)"
local mycmakeargs=(
# std::tuple_size_v is c++17
-DCMAKE_CXX_STANDARD=17
-DDOWNSTREAM_CXX_STANDARD=17
-DCMAKE_INSTALL_DOCDIR="share/doc/${PF}"
-DINSTALL_DOCS=$(usex doc)
-DUSE_CCACHE=OFF
-DLLVM_STATIC=OFF
-DOSL_BUILD_TESTS=$(usex test)
-DSTOP_ON_WARNING=OFF
-DUSE_PARTIO=$(usex partio)
-DUSE_PYTHON=$(usex python)
-DPYTHON_VERSION="${EPYTHON/python}"
-DUSE_SIMD="$(IFS=","; echo "${mysimd[*]}")"
-DUSE_BATCHED="$(IFS=","; echo "${mybatched[*]}")"
)
if use debug; then
mycmakeargs+=(
-DVEC_REPORT="yes"
)
fi
if use gui; then
mycmakeargs+=( -DUSE_QT=yes )
if ! use qt6; then
mycmakeargs+=( -DCMAKE_DISABLE_FIND_PACKAGE_Qt6=ON )
fi
else
mycmakeargs+=( -DUSE_QT=no )
fi
cmake_src_configure
}
src_test() {
# TODO: investigate failures
local myctestargs=(
-E "(osl-imageio|osl-imageio.opt|render-background|render-bumptest|render-mx-furnace-burley-diffuse|render-mx-furnace-sheen|render-mx-burley-diffuse|render-mx-conductor|render-mx-generalized-schlick|render-mx-generalized-schlick-glass|render-microfacet|render-oren-nayar|render-uv|render-veachmis|render-ward|render-raytypes.opt|color|color.opt|example-deformer)"
)
cmake_src_test
}
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