# SPDX-License-Identifier: GPL-2.0-or-later

if(BUILD_MODE STREQUAL Debug)
  set(BLOSC_POST _d)
endif()

set(OPENVDB_EXTRA_ARGS
  ${DEFAULT_BOOST_FLAGS}
  -DUSE_STATIC_DEPENDENCIES=OFF   # This is the global toggle for static libs
  # Once the above switch is off, you can set it
  # for each individual library below.
  -DBLOSC_USE_STATIC_LIBS=ON
  -DTBB_USE_STATIC_LIBS=OFF
  -DBoost_USE_STATIC_LIBS=OFF
  -DZLIB_LIBRARY=${LIBDIR}/zlib/lib/${ZLIB_LIBRARY}
  -DZLIB_INCLUDE_DIR=${LIBDIR}/zlib/include/
  -DBlosc_INCLUDE_DIR=${LIBDIR}/blosc/include/
  -DBlosc_LIBRARY=${LIBDIR}/blosc/lib/libblosc${BLOSC_POST}${LIBEXT}
  -DBlosc_LIBRARY_RELEASE=${LIBDIR}/blosc/lib/libblosc${BLOSC_POST}${LIBEXT}
  -DBlosc_LIBRARY_DEBUG=${LIBDIR}/blosc/lib/libblosc${BLOSC_POST}${LIBEXT}
  -DOPENVDB_BUILD_UNITTESTS=OFF
  -DOPENVDB_BUILD_NANOVDB=ON
  -DNANOVDB_BUILD_TOOLS=OFF
  -DBlosc_ROOT=${LIBDIR}/blosc/
  -DTBB_ROOT=${LIBDIR}/tbb/
  -DTbb_INCLUDE_DIR=${LIBDIR}/tbb/include
  -DTbb_LEGACY_INCLUDE_DIR=${LIBDIR}/tbb/include
  -DOPENVDB_CORE_SHARED=ON
  -DOPENVDB_CORE_STATIC=OFF
  -DOPENVDB_BUILD_BINARIES=OFF
  -DCMAKE_DEBUG_POSTFIX=_d
  -DBLOSC_USE_STATIC_LIBS=ON
  -DUSE_NANOVDB=ON
  -DOPENVDB_BUILD_PYTHON_MODULE=ON
  -DOPENVDB_PYTHON_WRAP_ALL_GRID_TYPES=ON
  -DUSE_NUMPY=ON
  -DPython_EXECUTABLE=${PYTHON_BINARY}

  # OPENVDB_AX Disabled for now as it adds ~25MB distribution wise
  # with no blender code depending on it, seems wasteful.
  # -DOPENVDB_BUILD_AX=ON
  # -DOPENVDB_AX_SHARED=ON
  # -DOPENVDB_AX_STATIC=OFF
  # -DLLVM_DIR=${LIBDIR}/llvm/lib/cmake/llvm
)

set(OPENVDB_PATCH ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/openvdb/src/openvdb < ${PATCH_DIR}/openvdb.diff)
if(APPLE)
  set(OPENVDB_PATCH
    ${OPENVDB_PATCH} &&
    ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/openvdb/src/openvdb < ${PATCH_DIR}/openvdb_metal.diff
  )
endif()

ExternalProject_Add(openvdb
  URL file://${PACKAGE_DIR}/${OPENVDB_FILE}
  DOWNLOAD_DIR ${DOWNLOAD_DIR}
  URL_HASH ${OPENVDB_HASH_TYPE}=${OPENVDB_HASH}
  CMAKE_GENERATOR ${PLATFORM_ALT_GENERATOR}
  PREFIX ${BUILD_DIR}/openvdb
  PATCH_COMMAND ${OPENVDB_PATCH}
  CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/openvdb ${DEFAULT_CMAKE_FLAGS} ${OPENVDB_EXTRA_ARGS}
  INSTALL_DIR ${LIBDIR}/openvdb
)

add_dependencies(
  openvdb
  external_tbb
  external_boost
  external_zlib
  external_blosc
  external_python
  external_numpy
)

if(WIN32)
  if(BUILD_MODE STREQUAL Release)
    ExternalProject_Add_Step(openvdb after_install
      COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/openvdb/include ${HARVEST_TARGET}/openvdb/include
      COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/openvdb/lib/openvdb.lib ${HARVEST_TARGET}/openvdb/lib/openvdb.lib
      COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/openvdb/bin/openvdb.dll ${HARVEST_TARGET}/openvdb/bin/openvdb.dll
      COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/openvdb/lib/python${PYTHON_SHORT_VERSION}/site-packages/pyopenvdb.pyd ${HARVEST_TARGET}openvdb/python/pyopenvdb.pyd
      DEPENDEES install
    )
  endif()
  if(BUILD_MODE STREQUAL Debug)
    ExternalProject_Add_Step(openvdb after_install
      COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/openvdb/lib/openvdb_d.lib ${HARVEST_TARGET}/openvdb/lib/openvdb_d.lib
      COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/openvdb/bin/openvdb_d.dll ${HARVEST_TARGET}/openvdb/bin/openvdb_d.dll
      COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/openvdb/lib/python${PYTHON_SHORT_VERSION}/site-packages/pyopenvdb_d.pyd ${HARVEST_TARGET}openvdb/python/pyopenvdb_d.pyd
      DEPENDEES install
    )
  endif()
endif()