blender/build_files/cmake/Modules/FindEmbree.cmake
2022-02-11 14:23:56 +11:00

98 lines
2.5 KiB
CMake

# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2018 Blender Foundation.
# - Find Embree library
# Find the native Embree includes and library
# This module defines
# EMBREE_INCLUDE_DIRS, where to find rtcore.h, Set when
# EMBREE_INCLUDE_DIR is found.
# EMBREE_LIBRARIES, libraries to link against to use Embree.
# EMBREE_ROOT_DIR, The base directory to search for Embree.
# This can also be an environment variable.
# EMBREEFOUND, If false, do not try to use Embree.
# If EMBREE_ROOT_DIR was defined in the environment, use it.
IF(NOT EMBREE_ROOT_DIR AND NOT $ENV{EMBREE_ROOT_DIR} STREQUAL "")
SET(EMBREE_ROOT_DIR $ENV{EMBREE_ROOT_DIR})
ENDIF()
SET(_embree_SEARCH_DIRS
${EMBREE_ROOT_DIR}
/opt/lib/embree
)
FIND_PATH(EMBREE_INCLUDE_DIR
NAMES
embree3/rtcore.h
HINTS
${_embree_SEARCH_DIRS}
PATH_SUFFIXES
include
)
IF(NOT (("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64") OR (APPLE AND ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64"))))
SET(_embree_SIMD_COMPONENTS
embree_sse42
embree_avx
embree_avx2
)
ENDIF()
SET(_embree_FIND_COMPONENTS
embree3
${_embree_SIMD_COMPONENTS}
lexers
math
simd
sys
tasking
)
SET(_embree_LIBRARIES)
FOREACH(COMPONENT ${_embree_FIND_COMPONENTS})
STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
FIND_LIBRARY(EMBREE_${UPPERCOMPONENT}_LIBRARY
NAMES
${COMPONENT}
HINTS
${_embree_SEARCH_DIRS}
PATH_SUFFIXES
lib64 lib
)
IF(NOT EMBREE_${UPPERCOMPONENT}_LIBRARY)
IF(EMBREE_EMBREE3_LIBRARY)
# If we can't find all the static libraries, try to fall back to the shared library if found.
# This allows building with a shared embree library
SET(_embree_LIBRARIES ${EMBREE_EMBREE3_LIBRARY})
BREAK()
ENDIF()
ENDIF()
LIST(APPEND _embree_LIBRARIES "${EMBREE_${UPPERCOMPONENT}_LIBRARY}")
ENDFOREACH()
# handle the QUIETLY and REQUIRED arguments and set EMBREE_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Embree DEFAULT_MSG
_embree_LIBRARIES EMBREE_INCLUDE_DIR)
IF(EMBREE_FOUND)
SET(EMBREE_LIBRARIES ${_embree_LIBRARIES})
SET(EMBREE_INCLUDE_DIRS ${EMBREE_INCLUDE_DIR})
ENDIF()
MARK_AS_ADVANCED(
EMBREE_INCLUDE_DIR
)
FOREACH(COMPONENT ${_embree_FIND_COMPONENTS})
STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
MARK_AS_ADVANCED(EMBREE_${UPPERCOMPONENT}_LIBRARY)
ENDFOREACH()
UNSET(_embree_SEARCH_DIRS)
UNSET(_embree_FIND_COMPONENTS)
UNSET(_embree_LIBRARIES)