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Diffstat (limited to 'cmake/FindComputeCpp.cmake')
| -rw-r--r-- | cmake/FindComputeCpp.cmake | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/cmake/FindComputeCpp.cmake b/cmake/FindComputeCpp.cmake new file mode 100644 index 000000000..07ebed61b --- /dev/null +++ b/cmake/FindComputeCpp.cmake @@ -0,0 +1,245 @@ +#.rst: +# FindComputeCpp +#--------------- +# +# Copyright 2016 Codeplay Software Ltd. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use these files except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +######################### +# FindComputeCpp.cmake +######################### +# +# Tools for finding and building with ComputeCpp. +# +# User must define COMPUTECPP_PACKAGE_ROOT_DIR pointing to the ComputeCpp +# installation. +# +# Latest version of this file can be found at: +# https://github.com/codeplaysoftware/computecpp-sdk + +# Require CMake version 3.2.2 or higher +cmake_minimum_required(VERSION 3.2.2) + +# Check that a supported host compiler can be found +if(CMAKE_COMPILER_IS_GNUCXX) + # Require at least gcc 4.8 + if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8) + message(FATAL_ERROR + "host compiler - Not found! (gcc version must be at least 4.8)") + # Require the GCC dual ABI to be disabled for 5.1 or higher + elseif (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 5.1) + set(COMPUTECPP_DISABLE_GCC_DUAL_ABI "True") + message(STATUS + "host compiler - gcc ${CMAKE_CXX_COMPILER_VERSION} (note pre 5.1 gcc ABI enabled)") + else() + message(STATUS "host compiler - gcc ${CMAKE_CXX_COMPILER_VERSION}") + endif() +elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") + # Require at least clang 3.6 + if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 3.6) + message(FATAL_ERROR + "host compiler - Not found! (clang version must be at least 3.6)") + else() + message(STATUS "host compiler - clang ${CMAKE_CXX_COMPILER_VERSION}") + endif() +else() + message(WARNING + "host compiler - Not found! (ComputeCpp supports GCC and Clang, see readme)") +endif() + +set(COMPUTECPP_64_BIT_DEFAULT ON) +option(COMPUTECPP_64_BIT_CODE "Compile device code in 64 bit mode" + ${COMPUTECPP_64_BIT_DEFAULT}) +mark_as_advanced(COMPUTECPP_64_BIT_CODE) + +# Find OpenCL package +find_package(OpenCL REQUIRED) + +# Find ComputeCpp packagee +if(NOT COMPUTECPP_PACKAGE_ROOT_DIR) + message(FATAL_ERROR + "ComputeCpp package - Not found! (please set COMPUTECPP_PACKAGE_ROOT_DIR") +else() + message(STATUS "ComputeCpp package - Found") +endif() +option(COMPUTECPP_PACKAGE_ROOT_DIR "Path to the ComputeCpp Package") + +# Obtain the path to compute++ +find_program(COMPUTECPP_DEVICE_COMPILER compute++ PATHS + ${COMPUTECPP_PACKAGE_ROOT_DIR} PATH_SUFFIXES bin) +if (EXISTS ${COMPUTECPP_DEVICE_COMPILER}) + mark_as_advanced(COMPUTECPP_DEVICE_COMPILER) + message(STATUS "compute++ - Found") +else() + message(FATAL_ERROR "compute++ - Not found! (${COMPUTECPP_DEVICE_COMPILER})") +endif() + +# Obtain the path to computecpp_info +find_program(COMPUTECPP_INFO_TOOL computecpp_info PATHS + ${COMPUTECPP_PACKAGE_ROOT_DIR} PATH_SUFFIXES bin) +if (EXISTS ${COMPUTECPP_INFO_TOOL}) + mark_as_advanced(${COMPUTECPP_INFO_TOOL}) + message(STATUS "computecpp_info - Found") +else() + message(FATAL_ERROR "computecpp_info - Not found! (${COMPUTECPP_INFO_TOOL})") +endif() + +# Obtain the path to the ComputeCpp runtime library +find_library(COMPUTECPP_RUNTIME_LIBRARY ComputeCpp PATHS ${COMPUTECPP_PACKAGE_ROOT_DIR} + HINTS ${COMPUTECPP_PACKAGE_ROOT_DIR}/lib PATH_SUFFIXES lib + DOC "ComputeCpp Runtime Library" NO_DEFAULT_PATH) + +if (EXISTS ${COMPUTECPP_RUNTIME_LIBRARY}) + mark_as_advanced(COMPUTECPP_RUNTIME_LIBRARY) + message(STATUS "libComputeCpp.so - Found") +else() + message(FATAL_ERROR "libComputeCpp.so - Not found!") +endif() + +# Obtain the ComputeCpp include directory +set(COMPUTECPP_INCLUDE_DIRECTORY ${COMPUTECPP_PACKAGE_ROOT_DIR}/include/) +if (NOT EXISTS ${COMPUTECPP_INCLUDE_DIRECTORY}) + message(FATAL_ERROR "ComputeCpp includes - Not found!") +else() + message(STATUS "ComputeCpp includes - Found") +endif() + +# Obtain the package version +execute_process(COMMAND ${COMPUTECPP_INFO_TOOL} "--dump-version" + OUTPUT_VARIABLE COMPUTECPP_PACKAGE_VERSION + RESULT_VARIABLE COMPUTECPP_INFO_TOOL_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE) +if(NOT COMPUTECPP_INFO_TOOL_RESULT EQUAL "0") + message(FATAL_ERROR "Package version - Error obtaining version!") +else() + mark_as_advanced(COMPUTECPP_PACKAGE_VERSION) + message(STATUS "Package version - ${COMPUTECPP_PACKAGE_VERSION}") +endif() + +# Obtain the device compiler flags +execute_process(COMMAND ${COMPUTECPP_INFO_TOOL} "--dump-device-compiler-flags" + OUTPUT_VARIABLE COMPUTECPP_DEVICE_COMPILER_FLAGS + RESULT_VARIABLE COMPUTECPP_INFO_TOOL_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE) +if(NOT COMPUTECPP_INFO_TOOL_RESULT EQUAL "0") + message(FATAL_ERROR "compute++ flags - Error obtaining compute++ flags!") +else() + mark_as_advanced(COMPUTECPP_COMPILER_FLAGS) + message(STATUS "compute++ flags - ${COMPUTECPP_DEVICE_COMPILER_FLAGS}") +endif() + +set(COMPUTECPP_DEVICE_COMPILER_FLAGS ${COMPUTECPP_DEVICE_COMPILER_FLAGS} -sycl-compress-name -no-serial-memop -DEIGEN_NO_ASSERTION_CHECKING=1) + +# Check if the platform is supported +execute_process(COMMAND ${COMPUTECPP_INFO_TOOL} "--dump-is-supported" + OUTPUT_VARIABLE COMPUTECPP_PLATFORM_IS_SUPPORTED + RESULT_VARIABLE COMPUTECPP_INFO_TOOL_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE) +if(NOT COMPUTECPP_INFO_TOOL_RESULT EQUAL "0") + message(FATAL_ERROR "platform - Error checking platform support!") +else() + mark_as_advanced(COMPUTECPP_PLATFORM_IS_SUPPORTED) + if (COMPUTECPP_PLATFORM_IS_SUPPORTED) + message(STATUS "platform - your system can support ComputeCpp") + else() + message(STATUS "platform - your system CANNOT support ComputeCpp") + endif() +endif() + +#################### +# __build_sycl +#################### +# +# Adds a custom target for running compute++ and adding a dependency for the +# resulting integration header. +# +# targetName : Name of the target. +# sourceFile : Source file to be compiled. +# binaryDir : Intermediate directory to output the integration header. +# +function(__build_spir targetName sourceFile binaryDir) + + # Retrieve source file name. + get_filename_component(sourceFileName ${sourceFile} NAME) + + # Set the path to the Sycl file. + set(outputSyclFile ${binaryDir}/${sourceFileName}.sycl) + + # Add any user-defined include to the device compiler + get_property(includeDirectories DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY + INCLUDE_DIRECTORIES) + set(device_compiler_includes "") + foreach(directory ${includeDirectories}) + set(device_compiler_includes "-I${directory}" ${device_compiler_includes}) + endforeach() + if (CMAKE_INCLUDE_PATH) + foreach(directory ${CMAKE_INCLUDE_PATH}) + set(device_compiler_includes "-I${directory}" + ${device_compiler_includes}) + endforeach() + endif() + + # Convert argument list format + separate_arguments(COMPUTECPP_DEVICE_COMPILER_FLAGS) + + # Add custom command for running compute++ + add_custom_command( + OUTPUT ${outputSyclFile} + COMMAND ${COMPUTECPP_DEVICE_COMPILER} + ${COMPUTECPP_DEVICE_COMPILER_FLAGS} + -isystem ${COMPUTECPP_INCLUDE_DIRECTORY} + ${COMPUTECPP_PLATFORM_SPECIFIC_ARGS} + ${device_compiler_includes} + -o ${outputSyclFile} + -c ${CMAKE_CURRENT_SOURCE_DIR}/${sourceFile} + DEPENDS ${sourceFile} + WORKING_DIRECTORY ${binaryDir} + COMMENT "Building ComputeCpp integration header file ${outputSyclFile}") + + # Add a custom target for the generated integration header + add_custom_target(${targetName}_integration_header DEPENDS ${outputSyclFile}) + + # Add a dependency on the integration header + add_dependencies(${targetName} ${targetName}_integration_header) + + # Set the host compiler C++ standard to C++11 + set_property(TARGET ${targetName} PROPERTY CXX_STANDARD 11) + + # Disable GCC dual ABI on GCC 5.1 and higher + if(COMPUTECPP_DISABLE_GCC_DUAL_ABI) + set_property(TARGET ${targetName} APPEND PROPERTY COMPILE_DEFINITIONS + "_GLIBCXX_USE_CXX11_ABI=0") + endif() + +endfunction() + +####################### +# add_sycl_to_target +####################### +# +# Adds a SYCL compilation custom command associated with an existing +# target and sets a dependancy on that new command. +# +# targetName : Name of the target to add a SYCL to. +# sourceFile : Source file to be compiled for SYCL. +# binaryDir : Intermediate directory to output the integration header. +# +function(add_sycl_to_target targetName sourceFile binaryDir) + + # Add custom target to run compute++ and generate the integration header + __build_spir(${targetName} ${sourceFile} ${binaryDir}) + + # Link with the ComputeCpp runtime library + target_link_libraries(${targetName} PUBLIC ${COMPUTECPP_RUNTIME_LIBRARY} + PUBLIC ${OpenCL_LIBRARIES}) + +endfunction(add_sycl_to_target) |