133 lines
3.3 KiB
CMake
133 lines
3.3 KiB
CMake
# SPDX-FileCopyrightText: 2018 Blender Foundation
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#
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# SPDX-License-Identifier: BSD-3-Clause
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# - Find Embree library
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# Find the native Embree includes and library
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# This module defines
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# EMBREE_INCLUDE_DIRS, where to find rtcore.h, Set when
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# EMBREE_INCLUDE_DIR is found.
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# EMBREE_LIBRARIES, libraries to link against to use Embree.
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# EMBREE_ROOT_DIR, The base directory to search for Embree.
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# This can also be an environment variable.
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# EMBREEFOUND, If false, do not try to use Embree.
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# If EMBREE_ROOT_DIR was defined in the environment, use it.
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IF(NOT EMBREE_ROOT_DIR AND NOT $ENV{EMBREE_ROOT_DIR} STREQUAL "")
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SET(EMBREE_ROOT_DIR $ENV{EMBREE_ROOT_DIR})
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ENDIF()
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SET(_embree_SEARCH_DIRS
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${EMBREE_ROOT_DIR}
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/opt/lib/embree
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)
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FIND_PATH(EMBREE_INCLUDE_DIR
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NAMES
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embree4/rtcore.h
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embree3/rtcore.h
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HINTS
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${_embree_SEARCH_DIRS}
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PATH_SUFFIXES
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include
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)
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IF(EXISTS ${EMBREE_INCLUDE_DIR}/embree4/rtcore_config.h)
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SET(EMBREE_MAJOR_VERSION 4)
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ELSE()
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SET(EMBREE_MAJOR_VERSION 3)
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ENDIF()
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IF(EMBREE_INCLUDE_DIR)
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FILE(READ ${EMBREE_INCLUDE_DIR}/embree${EMBREE_MAJOR_VERSION}/rtcore_config.h _embree_config_header)
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IF(_embree_config_header MATCHES "#define EMBREE_STATIC_LIB")
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SET(EMBREE_STATIC_LIB TRUE)
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ELSE()
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SET(EMBREE_STATIC_LIB FALSE)
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ENDIF()
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IF(_embree_config_header MATCHES "#define EMBREE_SYCL_SUPPORT")
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SET(EMBREE_SYCL_SUPPORT TRUE)
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ELSE()
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SET(EMBREE_SYCL_SUPPORT FALSE)
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ENDIF()
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UNSET(_embree_config_header)
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ENDIF()
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IF(EMBREE_STATIC_LIB)
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IF(NOT (("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64") OR (APPLE AND ("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64"))))
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SET(_embree_SIMD_COMPONENTS
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embree_sse42
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embree_avx
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embree_avx2
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)
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ENDIF()
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IF(EMBREE_SYCL_SUPPORT)
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SET(_embree_GPU_COMPONENTS
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embree4_sycl
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embree_rthwif
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)
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ENDIF()
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SET(_embree_FIND_COMPONENTS
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embree${EMBREE_MAJOR_VERSION}
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${_embree_SIMD_COMPONENTS}
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${_embree_GPU_COMPONENTS}
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lexers
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math
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simd
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sys
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tasking
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)
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ELSE()
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SET(_embree_FIND_COMPONENTS
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embree${EMBREE_MAJOR_VERSION}
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)
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IF(EMBREE_SYCL_SUPPORT)
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LIST(APPEND _embree_FIND_COMPONENTS
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embree4_sycl
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)
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ENDIF()
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ENDIF()
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SET(_embree_LIBRARIES)
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FOREACH(COMPONENT ${_embree_FIND_COMPONENTS})
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STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
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FIND_LIBRARY(EMBREE_${UPPERCOMPONENT}_LIBRARY
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NAMES
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${COMPONENT}
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HINTS
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${_embree_SEARCH_DIRS}
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PATH_SUFFIXES
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lib64 lib
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)
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LIST(APPEND _embree_LIBRARIES "${EMBREE_${UPPERCOMPONENT}_LIBRARY}")
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ENDFOREACH()
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# handle the QUIETLY and REQUIRED arguments and set EMBREE_FOUND to TRUE if
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# all listed variables are TRUE
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Embree DEFAULT_MSG
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_embree_LIBRARIES EMBREE_INCLUDE_DIR)
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IF(EMBREE_FOUND)
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SET(EMBREE_LIBRARIES ${_embree_LIBRARIES})
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SET(EMBREE_INCLUDE_DIRS ${EMBREE_INCLUDE_DIR})
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ENDIF()
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MARK_AS_ADVANCED(
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EMBREE_INCLUDE_DIR
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EMBREE_MAJOR_VERSION
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EMBREE_SYCL_SUPPORT
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EMBREE_STATIC_LIB
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)
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FOREACH(COMPONENT ${_embree_FIND_COMPONENTS})
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STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
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MARK_AS_ADVANCED(EMBREE_${UPPERCOMPONENT}_LIBRARY)
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ENDFOREACH()
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UNSET(_embree_SEARCH_DIRS)
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UNSET(_embree_FIND_COMPONENTS)
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UNSET(_embree_LIBRARIES)
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