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cmake_minimum_required(VERSION 3.0)
if(POLICY CMP0077)
cmake_policy(SET CMP0077 NEW) # Enables override of options from parent CMakeLists.txt
endif()
if(POLICY CMP0091)
cmake_policy(SET CMP0091 NEW) # Enables use of MSVC_RUNTIME_LIBRARY
endif()
if(POLICY CMP0092)
cmake_policy(SET CMP0092 NEW) # Enables clean /W4 override for MSVC
endif()
project(meshoptimizer VERSION 0.18 LANGUAGES CXX)
option(MESHOPT_BUILD_DEMO "Build demo" OFF)
option(MESHOPT_BUILD_GLTFPACK "Build gltfpack" OFF)
option(MESHOPT_BUILD_SHARED_LIBS "Build shared libraries" OFF)
set(MESHOPT_BASISU_PATH "" CACHE STRING "")
set(SOURCES
src/meshoptimizer.h
src/allocator.cpp
src/clusterizer.cpp
src/indexcodec.cpp
src/indexgenerator.cpp
src/overdrawanalyzer.cpp
src/overdrawoptimizer.cpp
src/simplifier.cpp
src/spatialorder.cpp
src/stripifier.cpp
src/vcacheanalyzer.cpp
src/vcacheoptimizer.cpp
src/vertexcodec.cpp
src/vertexfilter.cpp
src/vfetchanalyzer.cpp
src/vfetchoptimizer.cpp
)
set(GLTF_SOURCES
gltf/animation.cpp
gltf/basisenc.cpp
gltf/basislib.cpp
gltf/fileio.cpp
gltf/gltfpack.cpp
gltf/image.cpp
gltf/json.cpp
gltf/material.cpp
gltf/mesh.cpp
gltf/node.cpp
gltf/parseobj.cpp
gltf/parsegltf.cpp
gltf/stream.cpp
gltf/write.cpp
)
if(MSVC)
add_compile_options(/W4 /WX)
else()
add_compile_options(-Wall -Wextra -Wshadow -Wno-missing-field-initializers -Werror)
endif()
if(MESHOPT_BUILD_SHARED_LIBS)
add_library(meshoptimizer SHARED ${SOURCES})
else()
add_library(meshoptimizer STATIC ${SOURCES})
endif()
target_include_directories(meshoptimizer INTERFACE "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>")
if(MESHOPT_BUILD_SHARED_LIBS)
set_target_properties(meshoptimizer PROPERTIES CXX_VISIBILITY_PRESET hidden)
set_target_properties(meshoptimizer PROPERTIES VISIBILITY_INLINES_HIDDEN ON)
set_target_properties(meshoptimizer PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION ${MESHOPT_SOVERSION})
if(WIN32)
target_compile_definitions(meshoptimizer INTERFACE "MESHOPTIMIZER_API=__declspec(dllimport)")
target_compile_definitions(meshoptimizer PRIVATE "MESHOPTIMIZER_API=__declspec(dllexport)")
else()
target_compile_definitions(meshoptimizer PUBLIC "MESHOPTIMIZER_API=__attribute__((visibility(\"default\")))")
endif()
endif()
set(TARGETS meshoptimizer)
if(MESHOPT_BUILD_DEMO)
add_executable(demo demo/main.cpp demo/tests.cpp tools/meshloader.cpp)
target_link_libraries(demo meshoptimizer)
endif()
if(MESHOPT_BUILD_GLTFPACK)
add_executable(gltfpack ${GLTF_SOURCES} tools/meshloader.cpp)
set_target_properties(gltfpack PROPERTIES CXX_STANDARD 11)
target_link_libraries(gltfpack meshoptimizer)
install(TARGETS gltfpack RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
if(MESHOPT_BUILD_SHARED_LIBS)
string(CONCAT RPATH "$ORIGIN/../" ${CMAKE_INSTALL_LIBDIR})
set_target_properties(gltfpack PROPERTIES INSTALL_RPATH ${RPATH})
endif()
if(NOT MESHOPT_BASISU_PATH STREQUAL "")
get_filename_component(BASISU_PATH ${MESHOPT_BASISU_PATH} ABSOLUTE)
target_compile_definitions(gltfpack PRIVATE WITH_BASISU)
set_source_files_properties(gltf/basisenc.cpp gltf/basislib.cpp PROPERTIES INCLUDE_DIRECTORIES ${BASISU_PATH})
if(NOT MSVC AND CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "x86_64")
set_source_files_properties(gltf/basislib.cpp PROPERTIES COMPILE_OPTIONS -msse4.1)
endif()
if(UNIX)
target_link_libraries(gltfpack pthread)
endif()
endif()
endif()
include(GNUInstallDirs)
install(TARGETS ${TARGETS} EXPORT meshoptimizerTargets
COMPONENT meshoptimizer
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(FILES src/meshoptimizer.h COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(EXPORT meshoptimizerTargets COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NAMESPACE meshoptimizer::)
# TARGET_PDB_FILE is available since 3.1
if(MSVC AND NOT (CMAKE_VERSION VERSION_LESS "3.1"))
foreach(TARGET ${TARGETS})
get_target_property(TARGET_TYPE ${TARGET} TYPE)
if(NOT ${TARGET_TYPE} STREQUAL "STATIC_LIBRARY")
install(FILES $<TARGET_PDB_FILE:${TARGET}> COMPONENT meshoptimizer DESTINATION ${CMAKE_INSTALL_BINDIR} OPTIONAL)
endif()
endforeach(TARGET)
endif()
include(CMakePackageConfigHelpers)
configure_package_config_file(config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer NO_SET_AND_CHECK_MACRO)
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake COMPATIBILITY ExactVersion)
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfig.cmake
${CMAKE_CURRENT_BINARY_DIR}/meshoptimizerConfigVersion.cmake
COMPONENT meshoptimizer
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/meshoptimizer)
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