opencv/samples/sycl/CMakeLists.txt
2020-09-03 20:34:49 +00:00

81 lines
2.6 KiB
CMake

if(OPENCV_SKIP_SAMPLES_SYCL)
return()
endif()
ocv_install_example_src(sycl *.cpp *.hpp CMakeLists.txt)
set(OPENCV_SYCL_SAMPLES_REQUIRED_DEPS
opencv_core
opencv_imgproc
opencv_imgcodecs
opencv_videoio
opencv_highgui)
ocv_check_dependencies(${OPENCV_SYCL_SAMPLES_REQUIRED_DEPS})
if(NOT BUILD_EXAMPLES OR NOT OCV_DEPENDENCIES_FOUND OR OPENCV_SKIP_SAMPLES_BUILD_SYCL)
return()
endif()
if(CMAKE_VERSION VERSION_LESS "3.5")
message(STATUS "SYCL samples require CMake 3.5+")
return()
endif()
cmake_policy(VERSION 3.5)
find_package(SYCL QUIET) # will oneAPI support this straightforward way?
if(NOT SYCL_FOUND AND NOT OPENCV_SKIP_SAMPLES_SYCL_ONEDNN)
# lets try scripts from oneAPI:oneDNN component
if(NOT DEFINED DNNLROOT AND DEFINED ENV{DNNLROOT})
set(DNNLROOT "$ENV{DNNLROOT}")
endif()
# Some verions of called script violate CMake policy and may emit unrecoverable CMake errors
# Use OPENCV_SKIP_SAMPLES_SYCL=1 / OPENCV_SKIP_SAMPLES_SYCL_ONEDNN to bypass this
find_package(dnnl CONFIG QUIET HINTS "${DNNLROOT}")
endif()
if(NOT SYCL_FOUND AND NOT OPENCV_SKIP_SAMPLES_SYCL_COMPUTECPP)
# lets try this SYCL SDK too: https://github.com/codeplaysoftware/computecpp-sdk
find_package(ComputeCpp QUIET)
if(ComputeCpp_FOUND)
set(SYCL_TARGET ComputeCpp::ComputeCpp)
set(SYCL_FLAGS ${ComputeCpp_FLAGS})
set(SYCL_INCLUDE_DIRS ${ComputeCpp_INCLUDE_DIRS})
set(SYCL_LIBRARIES ${ComputeCpp_LIBRARIES})
endif()
endif()
if(OPENCV_CMAKE_DEBUG_SYCL)
ocv_cmake_dump_vars("SYCL") # OpenCV source tree is required
endif()
if(NOT SYCL_TARGET)
message(STATUS "SYCL/OpenCL samples are skipped: SYCL SDK is required")
message(STATUS " - check configuration of SYCL_DIR/SYCL_ROOT/CMAKE_MODULE_PATH")
message(STATUS " - ensure that right compiler is selected from SYCL SDK (e.g, clang++): CMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}")
return()
endif()
project(sycl_samples)
if(SYCL_FLAGS) # "target_link_libraries(... ${SYCL_TARGET})" is not enough. Hacking...
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SYCL_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${SYCL_FLAGS}")
endif()
ocv_include_modules_recurse(${OPENCV_SYCL_SAMPLES_REQUIRED_DEPS})
ocv_include_directories(${OpenCL_INCLUDE_DIR})
file(GLOB all_samples RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cpp)
foreach(sample_filename ${all_samples})
ocv_define_sample(tgt ${sample_filename} sycl)
ocv_target_link_libraries(${tgt} PRIVATE
${OPENCV_LINKER_LIBS}
${OPENCV_SYCL_SAMPLES_REQUIRED_DEPS}
${SYCL_TARGET})
if(COMMAND add_sycl_to_target) # ComputeCpp
add_sycl_to_target(TARGET ${tgt} SOURCES ${sample_filename})
endif()
endforeach()