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# Standalone or with Blender
if(NOT WITH_BLENDER AND WITH_CYCLES_STANDALONE)
set(CYCLES_INSTALL_PATH "")
else()
set(WITH_CYCLES_BLENDER ON)
set(CYCLES_INSTALL_PATH "scripts/addons/cycles")
endif()
# External Libraries
include(cmake/external_libs.cmake)
# Build Flags
# todo: refactor this code to match scons
# note: CXX_HAS_SSE is needed in case passing SSE flags fails altogether (gcc-arm)
if(NOT WITH_CPU_SSE)
set(CXX_HAS_SSE FALSE)
set(CXX_HAS_AVX FALSE)
set(CXX_HAS_AVX2 FALSE)
elseif(WIN32 AND MSVC)
set(CXX_HAS_SSE TRUE)
set(CXX_HAS_AVX TRUE)
set(CXX_HAS_AVX2 TRUE)
# /arch:AVX for VC2012 and above
if(NOT MSVC_VERSION LESS 1700)
set(CYCLES_AVX_ARCH_FLAGS "/arch:AVX")
set(CYCLES_AVX2_ARCH_FLAGS "/arch:AVX /arch:AVX2")
elseif(NOT CMAKE_CL_64)
set(CYCLES_AVX_ARCH_FLAGS "/arch:SSE2")
set(CYCLES_AVX2_ARCH_FLAGS "/arch:SSE2")
endif()
# there is no /arch:SSE3, but intrinsics are available anyway
if(CMAKE_CL_64)
set(CYCLES_SSE2_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE3_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE41_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX2_KERNEL_FLAGS "${CYCLES_AVX2_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
else()
set(CYCLES_SSE2_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE3_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE41_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX2_KERNEL_FLAGS "${CYCLES_AVX2_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Ox")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /Ox")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /Ox")
elseif(CMAKE_COMPILER_IS_GNUCC)
check_cxx_compiler_flag(-msse CXX_HAS_SSE)
check_cxx_compiler_flag(-mavx CXX_HAS_AVX)
check_cxx_compiler_flag(-mavx2 CXX_HAS_AVX2)
if(CXX_HAS_SSE)
set(CYCLES_SSE2_KERNEL_FLAGS "-ffast-math -msse -msse2 -mfpmath=sse")
set(CYCLES_SSE3_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -mfpmath=sse")
set(CYCLES_SSE41_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mfpmath=sse")
endif()
if(CXX_HAS_AVX)
set(CYCLES_AVX_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mfpmath=sse")
endif()
if(CXX_HAS_AVX2)
set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mfma -mlzcnt -mbmi -mbmi2 -mfpmath=sse")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
check_cxx_compiler_flag(-msse CXX_HAS_SSE)
check_cxx_compiler_flag(-mavx CXX_HAS_AVX)
check_cxx_compiler_flag(-mavx2 CXX_HAS_AVX2)
if(CXX_HAS_SSE)
set(CYCLES_SSE2_KERNEL_FLAGS "-ffast-math -msse -msse2")
set(CYCLES_SSE3_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3")
set(CYCLES_SSE41_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1")
endif()
if(CXX_HAS_AVX)
set(CYCLES_AVX_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx")
endif()
if(CXX_HAS_AVX2)
set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mfma -mlzcnt -mbmi -mbmi2")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")
endif()
if(CXX_HAS_SSE)
add_definitions(
-DWITH_KERNEL_SSE2
-DWITH_KERNEL_SSE3
-DWITH_KERNEL_SSE41
)
endif()
if(CXX_HAS_AVX)
add_definitions(-DWITH_KERNEL_AVX)
endif()
if(CXX_HAS_AVX2)
add_definitions(-DWITH_KERNEL_AVX2)
endif()
if(WITH_CYCLES_OSL)
if(WIN32 AND MSVC)
set(RTTI_DISABLE_FLAGS "/GR- -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
elseif(CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MATCHES "Clang"))
set(RTTI_DISABLE_FLAGS "-fno-rtti -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
endif()
endif()
# Definitions and Includes
add_definitions(
${BOOST_DEFINITIONS}
${OPENIMAGEIO_DEFINITIONS}
)
add_definitions(
-DCCL_NAMESPACE_BEGIN=namespace\ ccl\ {
-DCCL_NAMESPACE_END=}
)
if(WITH_CYCLES_NETWORK)
add_definitions(-DWITH_NETWORK)
endif()
if(WITH_CYCLES_STANDALONE_GUI)
add_definitions(-DWITH_CYCLES_STANDALONE_GUI)
endif()
if(WITH_CYCLES_PTEX)
add_definitions(-DWITH_PTEX)
endif()
if(WITH_CYCLES_OPENSUBDIV)
add_definitions(-DWITH_OPENSUBDIV)
endif()
if(WITH_CYCLES_OSL)
add_definitions(-DWITH_OSL)
add_definitions(-DOSL_STATIC_LIBRARY)
include_directories(
SYSTEM
${OSL_INCLUDE_DIR}
)
endif()
add_definitions(
-DWITH_OPENCL
-DWITH_CUDA
-DWITH_MULTI
)
# Logging capabilities using GLog library.
if(WITH_CYCLES_LOGGING)
add_definitions(-DWITH_CYCLES_LOGGING)
add_definitions(-DGOOGLE_GLOG_DLL_DECL=)
add_definitions(-DCYCLES_GFLAGS_NAMESPACE=${GFLAGS_NAMESPACE})
include_directories(
SYSTEM
${GLOG_INCLUDE_DIRS}
${GFLAGS_INCLUDE_DIRS}
)
endif()
# Debugging capabilities (debug passes etc).
if(WITH_CYCLES_DEBUG)
add_definitions(-DWITH_CYCLES_DEBUG)
endif()
include_directories(
SYSTEM
${BOOST_INCLUDE_DIR}
${OPENIMAGEIO_INCLUDE_DIRS}
${OPENIMAGEIO_INCLUDE_DIRS}/OpenImageIO
${OPENEXR_INCLUDE_DIR}
${OPENEXR_INCLUDE_DIRS}
${PUGIXML_INCLUDE_DIR}
)
if(CYCLES_STANDALONE_REPOSITORY)
include_directories(../third_party/atomic)
else()
include_directories(../atomic)
endif()
# Warnings
if(CMAKE_COMPILER_IS_GNUCXX)
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS _has_cxxflag_float_conversion "-Werror=float-conversion")
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS _has_cxxflag_double_promotion "-Werror=double-promotion")
unset(_has_cxxflag_float_conversion)
unset(_has_cxxflag_double_promotion)
endif()
# Subdirectories
if(WITH_CYCLES_BLENDER)
add_subdirectory(blender)
endif()
if(WITH_CYCLES_STANDALONE OR WITH_CYCLES_NETWORK)
add_subdirectory(app)
endif()
add_subdirectory(bvh)
add_subdirectory(device)
add_subdirectory(doc)
add_subdirectory(kernel)
add_subdirectory(render)
add_subdirectory(subd)
add_subdirectory(util)
if(NOT WITH_BLENDER AND WITH_CYCLES_STANDALONE)
delayed_do_install(${CMAKE_BINARY_DIR}/bin)
endif()
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