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[OpenCL] Fetch headers/icd-loader by default
Introduces the follow CMake options: * `UR_OPENCL_INCLUDE_DIR` - directory containing the OpenCL Headers * `UR_OPENCL_ICD_LOADER_LIBRARY` - path of the OpenCL ICD Loader library In the event that `UR_OPENCL_INCLUDE_DIR` is not specified, clone [KhronosGroup/OpenCL-Headers](https://github.com/KhronosGroup/OpenCL-Headers.git). In the event that `UR_OPENCL_ICD_LOADER_LIBRARY` is not specified, first inspect the system with `find_package(OpenCL 3.0)` and use that if found. Otherwise, clone [KhronosGroup/OpenCL-ICD-Loader](https://github.com/KhronosGroup/OpenCL-ICD-Loader.git).
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‎source/adapters/opencl/CMakeLists.txt

Lines changed: 77 additions & 46 deletions
Original file line numberDiff line numberDiff line change
@@ -5,65 +5,96 @@
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set(OPENCL_DIR "${CMAKE_CURRENT_SOURCE_DIR}" CACHE PATH "OpenCL adapter directory")
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8+
set(UR_OPENCL_INCLUDE_DIR "" CACHE PATH "Directory containing the OpenCL Headers")
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set(UR_OPENCL_ICD_LOADER_LIBRARY "" CACHE FILEPATH "Path of the OpenCL ICD Loader library")
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find_package(Threads REQUIRED)
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set(TARGET_NAME ur_adapter_opencl)
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10-
add_ur_adapter(${TARGET_NAME}
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SHARED
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${CMAKE_CURRENT_SOURCE_DIR}/ur_interface_loader.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/adapter.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/adapter.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/command_buffer.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/command_buffer.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/common.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/common.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/context.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/context.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/device.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/device.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/enqueue.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/event.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/image.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/kernel.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/memory.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/platform.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/platform.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/program.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/queue.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/sampler.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/usm.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/usm_p2p.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/../../ur/ur.cpp
36-
${CMAKE_CURRENT_SOURCE_DIR}/../../ur/ur.hpp
15+
add_ur_adapter(${TARGET_NAME} SHARED
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${CMAKE_CURRENT_SOURCE_DIR}/ur_interface_loader.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/adapter.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/adapter.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/command_buffer.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/command_buffer.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/common.hpp
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${CMAKE_CURRENT_SOURCE_DIR}/common.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/context.hpp
24+
${CMAKE_CURRENT_SOURCE_DIR}/context.cpp
25+
${CMAKE_CURRENT_SOURCE_DIR}/device.hpp
26+
${CMAKE_CURRENT_SOURCE_DIR}/device.cpp
27+
${CMAKE_CURRENT_SOURCE_DIR}/enqueue.cpp
28+
${CMAKE_CURRENT_SOURCE_DIR}/event.cpp
29+
${CMAKE_CURRENT_SOURCE_DIR}/image.cpp
30+
${CMAKE_CURRENT_SOURCE_DIR}/kernel.cpp
31+
${CMAKE_CURRENT_SOURCE_DIR}/memory.cpp
32+
${CMAKE_CURRENT_SOURCE_DIR}/platform.hpp
33+
${CMAKE_CURRENT_SOURCE_DIR}/platform.cpp
34+
${CMAKE_CURRENT_SOURCE_DIR}/program.cpp
35+
${CMAKE_CURRENT_SOURCE_DIR}/queue.cpp
36+
${CMAKE_CURRENT_SOURCE_DIR}/sampler.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/usm.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/usm_p2p.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/../../ur/ur.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/../../ur/ur.hpp
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)
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set_target_properties(${TARGET_NAME} PROPERTIES
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VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}"
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SOVERSION "${PROJECT_VERSION_MAJOR}"
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VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}"
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SOVERSION "${PROJECT_VERSION_MAJOR}"
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)
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44-
find_package(Threads REQUIRED)
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if(UR_OPENCL_INCLUDE_DIR)
49+
set(OpenCLIncludeDirectory ${UR_OPENCL_INCLUDE_DIR})
50+
else()
51+
FetchContent_Declare(OpenCL-Headers
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GIT_REPOSITORY "https://github.com/KhronosGroup/OpenCL-Headers.git"
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GIT_TAG main
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)
55+
FetchContent_MakeAvailable(OpenCL-Headers)
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FetchContent_GetProperties(OpenCL-Headers
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SOURCE_DIR OpenCLIncludeDirectory
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)
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endif()
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46-
# The OpenCL target can be set manually on upstream cmake to avoid using find_package().
47-
if (NOT UR_OPENCL_ICD_LOADER_LIBRARY)
48-
find_package(OpenCL REQUIRED)
49-
message(STATUS "OpenCL_LIBRARY: ${OpenCL_LIBRARY}")
50-
message(STATUS "OpenCL_INCLUDE_DIR: ${OpenCL_INCLUDE_DIR}")
51-
set(UR_OPENCL_ICD_LOADER_LIBRARY OpenCL::OpenCL)
61+
# The OpenCL target can be set manually on upstream cmake to avoid using
62+
# find_package().
63+
if(UR_OPENCL_ICD_LOADER_LIBRARY)
64+
set(OpenCLICDLoaderLibrary ${UR_OPENCL_ICD_LOADER_LIBRARY})
65+
else()
66+
find_package(OpenCL 3.0)
67+
if(OpenCL_FOUND)
68+
set(OpenCLICDLoaderLibrary OpenCL::OpenCL)
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else()
70+
FetchContent_Declare(OpenCL-ICD-Loader
71+
GIT_REPOSITORY "https://github.com/KhronosGroup/OpenCL-ICD-Loader.git"
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GIT_TAG main
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)
74+
FetchContent_MakeAvailable(OpenCL-ICD-Loader)
75+
set(OpenCLICDLoaderLibrary ${PROJECT_BINARY_DIR}/lib/libOpenCL.so)
76+
endif()
5277
endif()
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79+
message(STATUS "OpenCL Include Directory: ${OpenCLIncludeDirectory}")
80+
message(STATUS "OpenCL ICD Loader Library: ${OpenCLICDLoaderLibrary}")
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5482
# Suppress a compiler message about undefined CL_TARGET_OPENCL_VERSION.
5583
# Define all symbols up to OpenCL 3.0.
56-
target_compile_definitions(ur_adapter_opencl PRIVATE CL_TARGET_OPENCL_VERSION=300 CL_USE_DEPRECATED_OPENCL_1_2_APIS)
57-
58-
target_link_libraries(${TARGET_NAME} PRIVATE
59-
${PROJECT_NAME}::headers
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${PROJECT_NAME}::common
61-
${PROJECT_NAME}::unified_malloc_framework
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Threads::Threads
63-
${UR_OPENCL_ICD_LOADER_LIBRARY}
84+
target_compile_definitions(ur_adapter_opencl PRIVATE
85+
CL_TARGET_OPENCL_VERSION=300
86+
CL_USE_DEPRECATED_OPENCL_1_2_APIS
6487
)
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6689
target_include_directories(${TARGET_NAME} PRIVATE
67-
"${CMAKE_CURRENT_SOURCE_DIR}/../../"
68-
${OpenCL_INCLUDE_DIR}
90+
${OpenCLIncludeDirectory}
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"${CMAKE_CURRENT_SOURCE_DIR}/../../"
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)
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94+
target_link_libraries(${TARGET_NAME} PRIVATE
95+
${PROJECT_NAME}::headers
96+
${PROJECT_NAME}::common
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${PROJECT_NAME}::unified_malloc_framework
98+
Threads::Threads
99+
${OpenCLICDLoaderLibrary}
69100
)

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