866c7fb6e6
This kernel is compiled with AVX2, FMA3, and BMI compiler flags. At the moment only Intel Haswell benefits from this, but future AMD CPUs will have these instructions as well. Makes rendering on Haswell CPUs a few percent faster, only benchmarked with clang on OS X though. Part of my GSoC 2014.
166 lines
5.0 KiB
CMake
166 lines
5.0 KiB
CMake
# Standalone or with Blender
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if(NOT WITH_BLENDER AND WITH_CYCLES_STANDALONE)
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set(CYCLES_INSTALL_PATH "")
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else()
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set(WITH_CYCLES_BLENDER ON)
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set(CYCLES_INSTALL_PATH "scripts/addons/cycles")
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endif()
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# External Libraries
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include(cmake/external_libs.cmake)
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# Build Flags
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# todo: refactor this code to match scons
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# note: CXX_HAS_SSE is needed in case passing SSE flags fails altogether (gcc-arm)
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if(WIN32 AND MSVC)
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set(CXX_HAS_SSE TRUE)
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# /arch:AVX for VC2012 and above
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if(NOT MSVC_VERSION LESS 1700)
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set(CYCLES_AVX_ARCH_FLAGS "/arch:AVX")
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set(CYCLES_AVX2_ARCH_FLAGS "/arch:AVX /arch:AVX2")
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elseif(NOT CMAKE_CL_64)
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set(CYCLES_AVX_ARCH_FLAGS "/arch:SSE2")
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set(CYCLES_AVX2_ARCH_FLAGS "/arch:SSE2")
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endif()
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# there is no /arch:SSE3, but intrinsics are available anyway
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if(CMAKE_CL_64)
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set(CYCLES_SSE2_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_SSE3_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_SSE41_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_AVX2_KERNEL_FLAGS "${CYCLES_AVX2_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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else()
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set(CYCLES_SSE2_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_SSE3_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_SSE41_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CYCLES_AVX2_KERNEL_FLAGS "${CYCLES_AVX2_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Ox")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /Ox")
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set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /Ox")
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elseif(CMAKE_COMPILER_IS_GNUCC)
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check_cxx_compiler_flag(-msse CXX_HAS_SSE)
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if(CXX_HAS_SSE)
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set(CYCLES_SSE2_KERNEL_FLAGS "-ffast-math -msse -msse2 -mfpmath=sse")
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set(CYCLES_SSE3_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -mfpmath=sse")
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set(CYCLES_SSE41_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mfpmath=sse")
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set(CYCLES_AVX_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mfpmath=sse")
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set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mfma -mbmi -mbmi2 -mfpmath=sse")
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")
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elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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check_cxx_compiler_flag(-msse CXX_HAS_SSE)
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if(CXX_HAS_SSE)
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set(CYCLES_SSE2_KERNEL_FLAGS "-ffast-math -msse -msse2")
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set(CYCLES_SSE3_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3")
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set(CYCLES_SSE41_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1")
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set(CYCLES_AVX_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx")
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set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 —mfma -mbmi -mbmi2")
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endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")
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endif()
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if(CXX_HAS_SSE)
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add_definitions(
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-DWITH_KERNEL_SSE2
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-DWITH_KERNEL_SSE3
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-DWITH_KERNEL_SSE41
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-DWITH_KERNEL_AVX
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-DWITH_KERNEL_AVX2
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)
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endif()
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# for OSL
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if(WIN32 AND MSVC)
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set(RTTI_DISABLE_FLAGS "/GR- -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
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elseif(CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MATCHES "Clang"))
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set(RTTI_DISABLE_FLAGS "-fno-rtti -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
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endif()
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# Definitions and Includes
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add_definitions(
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${BOOST_DEFINITIONS}
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${OPENIMAGEIO_DEFINITIONS}
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)
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add_definitions(
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-DCCL_NAMESPACE_BEGIN=namespace\ ccl\ {
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-DCCL_NAMESPACE_END=}
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)
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if(WITH_CYCLES_NETWORK)
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add_definitions(-DWITH_NETWORK)
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endif()
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if(WITH_CYCLES_STANDALONE_GUI)
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add_definitions(-DWITH_CYCLES_STANDALONE_GUI)
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endif()
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if(WITH_CYCLES_PTEX)
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add_definitions(-DWITH_PTEX)
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endif()
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if(WITH_CYCLES_OPENSUBDIV)
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add_definitions(-DWITH_OPENSUBDIV)
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endif()
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if(WITH_CYCLES_OSL)
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add_definitions(-DWITH_OSL)
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add_definitions(-DOSL_STATIC_LIBRARY)
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include_directories(${OSL_INCLUDES})
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endif()
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add_definitions(
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-DWITH_OPENCL
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-DWITH_CUDA
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-DWITH_MULTI
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)
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include_directories(
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SYSTEM
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${BOOST_INCLUDE_DIR}
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${OPENIMAGEIO_INCLUDE_DIRS}
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${OPENIMAGEIO_INCLUDE_DIRS}/OpenImageIO
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${OPENEXR_INCLUDE_DIR}
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${OPENEXR_INCLUDE_DIRS}
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)
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# Warnings
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if(CMAKE_COMPILER_IS_GNUCXX)
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ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS _has_cxxflag_float_conversion "-Werror=float-conversion")
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unset(_has_cxxflag_float_conversion)
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endif()
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# Subdirectories
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if(WITH_CYCLES_BLENDER)
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add_subdirectory(blender)
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endif()
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if(WITH_CYCLES_STANDALONE OR WITH_CYCLES_NETWORK)
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add_subdirectory(app)
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endif()
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add_subdirectory(bvh)
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add_subdirectory(device)
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add_subdirectory(doc)
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add_subdirectory(kernel)
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add_subdirectory(render)
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add_subdirectory(subd)
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add_subdirectory(util)
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if(NOT WITH_BLENDER AND WITH_CYCLES_STANDALONE)
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delayed_do_install(${CMAKE_BINARY_DIR}/bin)
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endif()
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