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Diffstat (limited to 'Modules/FindOpenCL.cmake')
| -rw-r--r-- | Modules/FindOpenCL.cmake | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/Modules/FindOpenCL.cmake b/Modules/FindOpenCL.cmake new file mode 100644 index 0000000..9891724 --- /dev/null +++ b/Modules/FindOpenCL.cmake @@ -0,0 +1,172 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindOpenCL +---------- + +Finds Open Computing Language (OpenCL) + +IMPORTED Targets +^^^^^^^^^^^^^^^^ + +This module defines :prop_tgt:`IMPORTED` target ``OpenCL::OpenCL``, if +OpenCL has been found. + +Result Variables +^^^^^^^^^^^^^^^^ + +This module defines the following variables:: + + OpenCL_FOUND - True if OpenCL was found + OpenCL_INCLUDE_DIRS - include directories for OpenCL + OpenCL_LIBRARIES - link against this library to use OpenCL + OpenCL_VERSION_STRING - Highest supported OpenCL version (eg. 1.2) + OpenCL_VERSION_MAJOR - The major version of the OpenCL implementation + OpenCL_VERSION_MINOR - The minor version of the OpenCL implementation + +The module will also define two cache variables:: + + OpenCL_INCLUDE_DIR - the OpenCL include directory + OpenCL_LIBRARY - the path to the OpenCL library + +#]=======================================================================] + +function(_FIND_OPENCL_VERSION) + include(CheckSymbolExists) + include(CMakePushCheckState) + set(CMAKE_REQUIRED_QUIET ${OpenCL_FIND_QUIETLY}) + + CMAKE_PUSH_CHECK_STATE() + foreach(VERSION "2_2" "2_1" "2_0" "1_2" "1_1" "1_0") + set(CMAKE_REQUIRED_INCLUDES "${OpenCL_INCLUDE_DIR}") + + if(APPLE) + CHECK_SYMBOL_EXISTS( + CL_VERSION_${VERSION} + "${OpenCL_INCLUDE_DIR}/Headers/cl.h" + OPENCL_VERSION_${VERSION}) + else() + CHECK_SYMBOL_EXISTS( + CL_VERSION_${VERSION} + "${OpenCL_INCLUDE_DIR}/CL/cl.h" + OPENCL_VERSION_${VERSION}) + endif() + + if(OPENCL_VERSION_${VERSION}) + string(REPLACE "_" "." VERSION "${VERSION}") + set(OpenCL_VERSION_STRING ${VERSION} PARENT_SCOPE) + string(REGEX MATCHALL "[0-9]+" version_components "${VERSION}") + list(GET version_components 0 major_version) + list(GET version_components 1 minor_version) + set(OpenCL_VERSION_MAJOR ${major_version} PARENT_SCOPE) + set(OpenCL_VERSION_MINOR ${minor_version} PARENT_SCOPE) + break() + endif() + endforeach() + CMAKE_POP_CHECK_STATE() +endfunction() + +find_path(OpenCL_INCLUDE_DIR + NAMES + CL/cl.h OpenCL/cl.h + PATHS + ENV "PROGRAMFILES(X86)" + ENV AMDAPPSDKROOT + ENV INTELOCLSDKROOT + ENV NVSDKCOMPUTE_ROOT + ENV CUDA_PATH + ENV ATISTREAMSDKROOT + ENV OCL_ROOT + PATH_SUFFIXES + include + OpenCL/common/inc + "AMD APP/include") + +_FIND_OPENCL_VERSION() + +if(WIN32) + if(CMAKE_SIZEOF_VOID_P EQUAL 4) + find_library(OpenCL_LIBRARY + NAMES OpenCL + PATHS + ENV "PROGRAMFILES(X86)" + ENV AMDAPPSDKROOT + ENV INTELOCLSDKROOT + ENV CUDA_PATH + ENV NVSDKCOMPUTE_ROOT + ENV ATISTREAMSDKROOT + ENV OCL_ROOT + PATH_SUFFIXES + "AMD APP/lib/x86" + lib/x86 + lib/Win32 + OpenCL/common/lib/Win32) + elseif(CMAKE_SIZEOF_VOID_P EQUAL 8) + find_library(OpenCL_LIBRARY + NAMES OpenCL + PATHS + ENV "PROGRAMFILES(X86)" + ENV AMDAPPSDKROOT + ENV INTELOCLSDKROOT + ENV CUDA_PATH + ENV NVSDKCOMPUTE_ROOT + ENV ATISTREAMSDKROOT + ENV OCL_ROOT + PATH_SUFFIXES + "AMD APP/lib/x86_64" + lib/x86_64 + lib/x64 + OpenCL/common/lib/x64) + endif() +else() + if(CMAKE_SIZEOF_VOID_P EQUAL 4) + find_library(OpenCL_LIBRARY + NAMES OpenCL + PATHS + ENV AMDAPPSDKROOT + ENV CUDA_PATH + PATH_SUFFIXES + lib/x86 + lib) + elseif(CMAKE_SIZEOF_VOID_P EQUAL 8) + find_library(OpenCL_LIBRARY + NAMES OpenCL + PATHS + ENV AMDAPPSDKROOT + ENV CUDA_PATH + PATH_SUFFIXES + lib/x86_64 + lib/x64 + lib + lib64) + endif() +endif() + +set(OpenCL_LIBRARIES ${OpenCL_LIBRARY}) +set(OpenCL_INCLUDE_DIRS ${OpenCL_INCLUDE_DIR}) + +include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) +find_package_handle_standard_args( + OpenCL + FOUND_VAR OpenCL_FOUND + REQUIRED_VARS OpenCL_LIBRARY OpenCL_INCLUDE_DIR + VERSION_VAR OpenCL_VERSION_STRING) + +mark_as_advanced( + OpenCL_INCLUDE_DIR + OpenCL_LIBRARY) + +if(OpenCL_FOUND AND NOT TARGET OpenCL::OpenCL) + if(OpenCL_LIBRARY MATCHES "/([^/]+)\\.framework$") + add_library(OpenCL::OpenCL INTERFACE IMPORTED) + set_target_properties(OpenCL::OpenCL PROPERTIES + INTERFACE_LINK_LIBRARIES "${OpenCL_LIBRARY}") + else() + add_library(OpenCL::OpenCL UNKNOWN IMPORTED) + set_target_properties(OpenCL::OpenCL PROPERTIES + IMPORTED_LOCATION "${OpenCL_LIBRARY}") + endif() + set_target_properties(OpenCL::OpenCL PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${OpenCL_INCLUDE_DIRS}") +endif() |