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#===============================================================================
# Copyright (C) 2018 Open Source Robotics Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
########################################
# Modified from NVIDIA's FindOptiX.cmake distributed in its OptiX SDK
# Usage of this module as follows:
#
# ign_find_package(OptiX)
#
# Variable used by this module, which needs to be set before calling
# find_package:
#
# OPTIX_INSTALL_DIR Set this variable to the root installation of
# OptiX SDK
#
# Variables defined by this module:
#
# optix::optix Imported target for optix
# optix::optixu Imported target for optixu
# optix::optix_prime Imported target for optix_prime
#
# OptiX_FOUND System has OptiX libs/headers
# OptiX_LIBRARIES The OptiX libraries
# OptiX_INCLUDE_DIRS The location of OptiX headers
#
########################################
#
# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of NVIDIA CORPORATION nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Locate the OptiX distribution. Search in env path first, then look in the system.
set(OptiX_INSTALL_DIR "$ENV{OPTIX_INSTALL_DIR}" CACHE PATH "Path to OptiX installed location.")
# The distribution contains both 32 and 64 bit libraries. Adjust the library
# search path based on the bit-ness of the build. (i.e. 64: bin64, lib64; 32:
# bin, lib). Note that on Mac, the OptiX library is a universal binary, so we
# only need to look in lib and not lib64 for 64 bit builds.
if(CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT APPLE)
set(bit_dest "64")
else()
set(bit_dest "")
endif()
# ign-cmake modification: added "ign_" prefix to macro name
macro(ign_OPTIX_find_api_library name version)
find_library(${name}_LIBRARY
NAMES ${name}.${version} ${name}
PATHS "${OptiX_INSTALL_DIR}/lib${bit_dest}"
NO_DEFAULT_PATH
)
find_library(${name}_LIBRARY
NAMES ${name}.${version} ${name}
)
if(WIN32)
find_file(${name}_DLL
NAMES ${name}.${version}.dll
PATHS "${OptiX_INSTALL_DIR}/bin${bit_dest}"
NO_DEFAULT_PATH
)
find_file(${name}_DLL
NAMES ${name}.${version}.dll
)
endif()
endmacro()
ign_OPTIX_find_api_library(optix 1)
ign_OPTIX_find_api_library(optixu 1)
ign_OPTIX_find_api_library(optix_prime 1)
# Include
find_path(OptiX_INCLUDE
NAMES optix.h
PATHS "${OptiX_INSTALL_DIR}/include"
NO_DEFAULT_PATH
)
find_path(OptiX_INCLUDE
NAMES optix.h
)
# Check to make sure we found what we were looking for
function(OptiX_report_error error_message required)
if(OptiX_FIND_REQUIRED AND required)
message(FATAL_ERROR "${error_message}")
else()
if(NOT OptiX_FIND_QUIETLY)
message(STATUS "${error_message}")
endif(NOT OptiX_FIND_QUIETLY)
endif()
endfunction()
if(NOT optix_LIBRARY)
OptiX_report_error("optix library not found. Please locate before proceeding." TRUE)
endif()
if(NOT OptiX_INCLUDE)
OptiX_report_error("OptiX headers (optix.h and friends) not found. Please locate before proceeding." TRUE)
endif()
if(NOT optix_prime_LIBRARY)
OptiX_report_error("optix Prime library not found. Please locate before proceeding." FALSE)
endif()
# Macro for setting up dummy targets
function(OptiX_add_imported_library name lib_location dll_lib dependent_libs)
set(CMAKE_IMPORT_FILE_VERSION 1)
# Create imported target
# ign-cmake modification: changed to use ${target_name} instead of ${name}
set(target_name optix::${name})
add_library(${target_name} SHARED IMPORTED)
# Import target "optix" for configuration "Debug"
if(WIN32)
set_target_properties(${target_name} PROPERTIES
IMPORTED_IMPLIB "${lib_location}"
#IMPORTED_LINK_INTERFACE_LIBRARIES "glu32;opengl32"
IMPORTED_LOCATION "${dll_lib}"
IMPORTED_LINK_INTERFACE_LIBRARIES "${dependent_libs}"
)
elseif(UNIX)
set_target_properties(${target_name} PROPERTIES
#IMPORTED_LINK_INTERFACE_LIBRARIES "glu32;opengl32"
IMPORTED_LOCATION "${lib_location}"
# We don't have versioned filenames for now, and it may not even matter.
#IMPORTED_SONAME "${optix_soname}"
IMPORTED_LINK_INTERFACE_LIBRARIES "${dependent_libs}"
)
else()
# Unknown system, but at least try and provide the minimum required
# information.
set_target_properties(${target_name} PROPERTIES
IMPORTED_LOCATION "${lib_location}"
IMPORTED_LINK_INTERFACE_LIBRARIES "${dependent_libs}"
)
endif()
# Commands beyond this point should not need to know the version.
set(CMAKE_IMPORT_FILE_VERSION)
endfunction()
# Sets up a dummy target
OptiX_add_imported_library(optix "${optix_LIBRARY}" "${optix_DLL}" "${OPENGL_LIBRARIES}")
OptiX_add_imported_library(optixu "${optixu_LIBRARY}" "${optixu_DLL}" "")
OptiX_add_imported_library(optix_prime "${optix_prime_LIBRARY}" "${optix_prime_DLL}" "")
# ign-cmake modification: added "ign_" prefix to macro name
macro(ign_OptiX_check_same_path libA libB)
if(_optix_path_to_${libA})
if(NOT _optix_path_to_${libA} STREQUAL _optix_path_to_${libB})
# ${libA} and ${libB} are in different paths. Make sure there isn't a ${libA} next
# to the ${libB}.
get_filename_component(_optix_name_of_${libA} "${${libA}_LIBRARY}" NAME)
if(EXISTS "${_optix_path_to_${libB}}/${_optix_name_of_${libA}}")
message(WARNING " ${libA} library found next to ${libB} library that is not being used. Due to the way we are using rpath, the copy of ${libA} next to ${libB} will be used during loading instead of the one you intended. Consider putting the libraries in the same directory or moving ${_optix_path_to_${libB}}/${_optix_name_of_${libA} out of the way.")
endif()
endif()
set( _${libA}_rpath "-Wl,-rpath,${_optix_path_to_${libA}}" )
endif()
endmacro()
# Since liboptix.1.dylib is built with an install name of @rpath, we need to
# compile our samples with the rpath set to where optix exists.
if(APPLE)
get_filename_component(_optix_path_to_optix "${optix_LIBRARY}" PATH)
if(_optix_path_to_optix)
set( _optix_rpath "-Wl,-rpath,${_optix_path_to_optix}" )
endif()
get_filename_component(_optix_path_to_optixu "${optixu_LIBRARY}" PATH)
ign_OptiX_check_same_path(optixu optix)
get_filename_component(_optix_path_to_optix_prime "${optix_prime_LIBRARY}" PATH)
ign_OptiX_check_same_path(optix_prime optix)
ign_OptiX_check_same_path(optix_prime optixu)
set( optix_rpath ${_optix_rpath} ${_optixu_rpath} ${_optix_prime_rpath} )
list(LENGTH optix_rpath optix_rpath_LENGTH)
if (optix_rpath_LENGTH GREATER 0)
list(REMOVE_DUPLICATES optix_rpath)
endif()
endif()
########################################
if (OptiX_INCLUDE AND optix_LIBRARY)
set (OptiX_FOUND TRUE)
else()
set (OptiX_FOUND FALSE)
endif()
if (OptiX_FOUND)
set(OptiX_INCLUDE_DIRS ${OptiX_INCLUDE})
set(OptiX_LIBRARIES ${optix_LIBRARY} ${optixu_LIBRARY} ${optix_prime_LIBRARY})
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
OptiX
REQUIRED_VARS OptiX_FOUND)
include(IgnPkgConfig)
ign_pkg_config_library_entry(OptiX OptiX)
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