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#
# Copyright (c) 2018-2025, Intel Corporation
#
# SPDX-License-Identifier: BSD-3-Clause
#
# ispc ADDISPCTest.cmake
#
function(add_ispc_example)
set(options USE_COMMON_SETTINGS)
set(oneValueArgs NAME ISPC_SRC_NAME DATA_DIR)
set(multiValueArgs ISPC_IA_TARGETS ISPC_ARM_TARGETS ISPC_FLAGS TARGET_SOURCES LIBRARIES DATA_FILES)
cmake_parse_arguments("example" "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
set(ISPC_KNOWN_TARGETS "sse2" "sse4" "avx1-" "avx2" "avx512skx" "neon")
set(ISPC_HEADER_NAME "${CMAKE_CURRENT_BINARY_DIR}/${ISPC_SRC_NAME}_ispc.h")
set(ISPC_OBJ_NAME "${CMAKE_CURRENT_BINARY_DIR}/${ISPC_SRC_NAME}.ispc${CMAKE_CXX_OUTPUT_EXTENSION}")
set(ISPC_FLAGS ${example_ISPC_FLAGS})
if (UNIX)
list(APPEND ISPC_FLAGS --pic)
endif()
# Collect list of expected outputs
list(APPEND ISPC_BUILD_OUTPUT ${ISPC_HEADER_NAME} ${ISPC_OBJ_NAME})
if (example_USE_COMMON_SETTINGS)
if ("${ISPC_ARCH}" MATCHES "x86")
set(ISPC_TARGETS ${example_ISPC_IA_TARGETS})
string(FIND ${example_ISPC_IA_TARGETS} "," MULTI_TARGET)
if (${MULTI_TARGET} GREATER -1)
foreach (ispc_target ${ISPC_KNOWN_TARGETS})
string(FIND ${example_ISPC_IA_TARGETS} ${ispc_target} FOUND_TARGET)
if (${FOUND_TARGET} GREATER -1)
set(OUTPUT_TARGET ${ispc_target})
if (${ispc_target} STREQUAL "avx1-")
set(OUTPUT_TARGET "avx")
endif()
list(APPEND ISPC_BUILD_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${ISPC_SRC_NAME}_ispc_${OUTPUT_TARGET}.h"
"${CMAKE_CURRENT_BINARY_DIR}/${ISPC_SRC_NAME}.ispc_${OUTPUT_TARGET}${CMAKE_CXX_OUTPUT_EXTENSION}")
endif()
endforeach()
endif()
elseif ("${ISPC_ARCH}" STREQUAL "arm" OR "${ISPC_ARCH}" STREQUAL "aarch64")
set(ISPC_TARGETS ${example_ISPC_ARM_TARGETS})
else()
message(FATAL_ERROR "Unknown architecture ${ISPC_ARCH}")
endif()
else()
if ("${ISPC_ARCH}" MATCHES "x86")
set(ISPC_TARGETS ${example_ISPC_IA_TARGETS})
elseif ("${ISPC_ARCH}" STREQUAL "arm" OR "${ISPC_ARCH}" STREQUAL "aarch64")
set(ISPC_TARGETS ${example_ISPC_ARM_TARGETS})
else()
message(FATAL_ERROR "Unknown architecture ${ISPC_ARCH}")
endif()
endif()
# ISPC command
add_custom_command(OUTPUT ${ISPC_BUILD_OUTPUT}
COMMAND ${ISPC_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc ${ISPC_FLAGS} --target=${ISPC_TARGETS} --arch=${ISPC_ARCH}
-h ${ISPC_HEADER_NAME} -o ${ISPC_OBJ_NAME}
VERBATIM
DEPENDS ${ISPC_EXECUTABLE} ${ISPC_DEPS}
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc")
# To show ispc source in VS solution:
if (WIN32)
set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc" PROPERTIES HEADER_FILE_ONLY TRUE)
endif()
add_executable(${example_NAME} ${ISPC_BUILD_OUTPUT} "${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc")
target_sources(${example_NAME} PRIVATE ${example_TARGET_SOURCES})
target_include_directories(${example_NAME} PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
# Compile options
set_property(TARGET ${example_NAME} PROPERTY POSITION_INDEPENDENT_CODE ON)
if (UNIX)
if (${ISPC_ARCH_BIT} EQUAL 32)
target_compile_options(${example_NAME} PRIVATE -m32)
else()
target_compile_options(${example_NAME} PRIVATE -m64)
endif()
else()
target_compile_options(${example_NAME} PRIVATE /fp:fast /Oi)
endif()
# Common settings
if (example_USE_COMMON_SETTINGS)
target_sources(${example_NAME} PRIVATE ${EXAMPLES_ROOT}/common/tasksys.cpp)
target_sources(${example_NAME} PRIVATE ${EXAMPLES_ROOT}/common/timing.h)
if (UNIX)
target_compile_options(${example_NAME} PRIVATE -O2)
target_link_libraries(${example_NAME} pthread m stdc++)
endif()
endif()
# Link libraries
if (example_LIBRARIES)
target_link_libraries(${example_NAME} ${example_LIBRARIES})
endif()
set_target_properties(${example_NAME} PROPERTIES FOLDER "Examples")
if(MSVC)
# Group ISPC files inside Visual Studio
source_group("ISPC" FILES "${CMAKE_CURRENT_SOURCE_DIR}/${ISPC_SRC_NAME}.ispc")
endif()
# Install example
# We do not need to include examples binaries to the package
if (NOT ISPC_PREPARE_PACKAGE)
install(TARGETS ${example_NAME} RUNTIME DESTINATION examples/${example_NAME})
if (example_DATA_FILES)
install(FILES ${example_DATA_FILES}
DESTINATION examples/${example_NAME})
endif()
if (example_DATA_DIR)
install(DIRECTORY ${example_DATA_DIR}
DESTINATION examples/${example_NAME})
endif()
endif()
endfunction()
|
