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168 lines
5.2 KiB
168 lines
5.2 KiB
# Copyright 1999-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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inherit cmake flag-o-matic linux-info toolchain-funcs
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DESCRIPTION="Collection of high-performance ray tracing kernels"
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HOMEPAGE="https://github.com/embree/embree"
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SRC_URI="https://github.com/embree/embree/archive/v${PV}.tar.gz -> ${P}.tar.gz"
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LICENSE="Apache-2.0"
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SLOT="$(ver_cut 1)"
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KEYWORDS="-* ~amd64 ~arm64"
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X86_CPU_FLAGS=( sse2 sse4_2 avx avx2 avx512dq )
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CPU_FLAGS=( cpu_flags_arm_neon "${X86_CPU_FLAGS[@]/#/cpu_flags_x86_}" )
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IUSE="compact-polys ispc +raymask ssp +tbb test ${CPU_FLAGS[*]}"
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RESTRICT="!test? ( test )"
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REQUIRED_USE="
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amd64? ( || ( ${X86_CPU_FLAGS[*]/#/cpu_flags_x86_} ) )
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arm64? ( cpu_flags_arm_neon )
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"
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BDEPEND="
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virtual/pkgconfig
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"
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RDEPEND="
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ispc? ( dev-lang/ispc )
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tbb? ( dev-cpp/tbb:= )
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"
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DEPEND="${RDEPEND}"
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DOCS=( CHANGELOG.md README.md readme.pdf )
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PATCHES=(
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"${FILESDIR}/embree-4.3.1-dont-install-tutorials.patch"
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)
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pkg_setup() {
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CONFIG_CHECK="~TRANSPARENT_HUGEPAGE"
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WARNING_TRANSPARENT_HUGEPAGE="Not enabling Transparent Hugepages (CONFIG_TRANSPARENT_HUGEPAGE) will impact rendering performance."
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linux-info_pkg_setup
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}
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src_prepare() {
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cmake_src_prepare
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# disable RPM package building
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sed -e 's|CPACK_RPM_PACKAGE_RELEASE 1|CPACK_RPM_PACKAGE_RELEASE 0|' \
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-i CMakeLists.txt || die
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# raise cmake minimum version to silence warning
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sed -e 's#CMAKE_MINIMUM_REQUIRED(VERSION 3.[0-9].0)#CMAKE_MINIMUM_REQUIRED(VERSION 3.5)#I' \
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-i \
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CMakeLists.txt \
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kernels/rthwif/CMakeLists.txt \
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tutorials/embree_info/CMakeLists.txt \
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tutorials/minimal/CMakeLists.txt \
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|| die
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}
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src_configure() {
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# -Werror=odr
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# https://bugs.gentoo.org/859838
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# https://github.com/embree/embree/issues/481
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filter-lto
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# NOTE: You can make embree accept custom CXXFLAGS by turning off
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# EMBREE_IGNORE_CMAKE_CXX_FLAGS. However, the linking will fail if you use
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# any "m*" compile flags. This is because embree builds modules for the
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# different supported ISAs and picks the correct one at runtime.
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# "m*" will pull in cpu instructions that shouldn't be in specific modules
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# and it fails to link properly.
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# https://github.com/embree/embree/issues/115
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filter-flags -m*
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# https://bugs.gentoo.org/910164
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tc-is-clang && filter-lto
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local mycmakeargs=(
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-DCMAKE_SKIP_INSTALL_RPATH:BOOL=ON
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# Default culling settings for Blender
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# (Cycles will not render correctly without these)
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# Some Embree tests will fail with these settings though...
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-DEMBREE_BACKFACE_CULLING=OFF
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-DEMBREE_BACKFACE_CULLING_CURVES=ON
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-DEMBREE_BACKFACE_CULLING_SPHERES=ON
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-DEMBREE_COMPACT_POLYS=$(usex compact-polys)
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# Make sure that we are using our custom compilie flags
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-DEMBREE_IGNORE_CMAKE_CXX_FLAGS=OFF
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# Set to NONE so we can manually switch on ISAs below
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-DEMBREE_MAX_ISA:STRING="NONE"
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-DEMBREE_ISA_AVX=$(usex cpu_flags_x86_avx)
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-DEMBREE_ISA_AVX2=$(usex cpu_flags_x86_avx2)
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-DEMBREE_ISA_AVX512=$(usex cpu_flags_x86_avx512dq)
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# TODO look into neon 2x support
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-DEMBREE_ISA_NEON=$(usex cpu_flags_arm_neon)
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-DEMBREE_ISA_SSE2=$(usex cpu_flags_x86_sse2)
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-DEMBREE_ISA_SSE42=$(usex cpu_flags_x86_sse4_2)
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-DEMBREE_ISPC_SUPPORT=$(usex ispc)
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-DEMBREE_RAY_MASK=$(usex raymask)
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# TODO figure out sycl support
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-DEMBREE_SYCL_SUPPORT="no"
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-DEMBREE_STACK_PROTECTOR=$(usex ssp)
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-DEMBREE_STATIC_LIB=OFF
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-DEMBREE_TASKING_SYSTEM:STRING=$(usex tbb "TBB" "INTERNAL")
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# Tutorial binaries are required by the tests
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-DEMBREE_TUTORIALS=$(usex test)
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-DEMBREE_ZIP_MODE=OFF
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)
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# Disable asserts
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append-cppflags -DNDEBUG
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if use test; then
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mycmakeargs+=(
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-DBUILD_TESTING=ON
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-DEMBREE_TESTING_INSTALL_TESTS=OFF
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-DEMBREE_TESTING_INTENSITY=4
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# These tutorials are not used by the default tests
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-DEMBREE_TUTORIALS_GLFW=OFF
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-DEMBREE_TUTORIALS_INSTALL=OFF
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-DEMBREE_TUTORIALS_LIBJPEG=OFF
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-DEMBREE_TUTORIALS_LIBPNG=OFF
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-DEMBREE_TUTORIALS_OPENIMAGEIO=OFF
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-DCMAKE_DISABLE_FIND_PACKAGE_OpenImageIO="yes"
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)
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fi
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cmake_src_configure
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}
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src_test() {
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# NOTE Some Embree tests will fail due to EMBREE_BACKFACE_CULLING settings for blender...
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local CMAKE_SKIP_TESTS=(
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'^embree_verify$'
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'^embree_verify_i2$'
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'^viewer_models_curves_round_line_segments_3.ecs$'
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'^viewer_models_curves_round_line_segments_7.ecs$'
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'^viewer_models_curves_round_line_segments_8.ecs$'
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'^viewer_models_curves_round_line_segments_9.ecs$'
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'^viewer_coherent_models_curves_round_line_segments_3.ecs$'
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'^viewer_coherent_models_curves_round_line_segments_7.ecs$'
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'^viewer_coherent_models_curves_round_line_segments_8.ecs$'
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'^viewer_coherent_models_curves_round_line_segments_9.ecs$'
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'^viewer_quad_coherent_models_curves_round_line_segments_3.ecs$'
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'^viewer_quad_coherent_models_curves_round_line_segments_7.ecs$'
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'^viewer_quad_coherent_models_curves_round_line_segments_8.ecs$'
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'^viewer_quad_coherent_models_curves_round_line_segments_9.ecs$'
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'^viewer_grid_coherent_models_curves_round_line_segments_3.ecs$'
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'^viewer_grid_coherent_models_curves_round_line_segments_7.ecs$'
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'^viewer_grid_coherent_models_curves_round_line_segments_8.ecs$'
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'^viewer_grid_coherent_models_curves_round_line_segments_9.ecs$'
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'^hair_geometry$'
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'^embree_tests$'
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)
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cmake_src_test
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}
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