| cmake_minimum_required(VERSION 3.19) |
| cmake_policy(SET CMP0114 NEW) |
| cmake_policy(SET CMP0116 NEW) |
| if (POLICY CMP0147) |
| # Parallel build custom build steps |
| cmake_policy(SET CMP0147 NEW) |
| endif() |
|
|
| find_package(Vulkan COMPONENTS glslc REQUIRED) |
|
|
| if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") |
| # Parallel build object files |
| add_definitions(/MP) |
| endif() |
|
|
| function(detect_host_compiler) |
| if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") |
| find_program(HOST_C_COMPILER NAMES cl gcc clang NO_CMAKE_FIND_ROOT_PATH) |
| find_program(HOST_CXX_COMPILER NAMES cl g++ clang++ NO_CMAKE_FIND_ROOT_PATH) |
| else() |
| find_program(HOST_C_COMPILER NAMES gcc clang NO_CMAKE_FIND_ROOT_PATH) |
| find_program(HOST_CXX_COMPILER NAMES g++ clang++ NO_CMAKE_FIND_ROOT_PATH) |
| endif() |
| set(HOST_C_COMPILER "${HOST_C_COMPILER}" PARENT_SCOPE) |
| set(HOST_CXX_COMPILER "${HOST_CXX_COMPILER}" PARENT_SCOPE) |
| endfunction() |
|
|
| # Function to test shader extension support |
| # Parameters: |
| # EXTENSION_NAME - Name of the extension to test (e.g., "GL_EXT_integer_dot_product") |
| # TEST_SHADER_FILE - Path to the test shader file |
| # RESULT_VARIABLE - Name of the variable to set (ON/OFF) based on test result |
| function(test_shader_extension_support EXTENSION_NAME TEST_SHADER_FILE RESULT_VARIABLE) |
| execute_process( |
| COMMAND ${Vulkan_GLSLC_EXECUTABLE} -o - -fshader-stage=compute --target-env=vulkan1.3 "${TEST_SHADER_FILE}" |
| OUTPUT_VARIABLE glslc_output |
| ERROR_VARIABLE glslc_error |
| ) |
|
|
| if (${glslc_error} MATCHES ".*extension not supported: ${EXTENSION_NAME}.*") |
| message(STATUS "${EXTENSION_NAME} not supported by glslc") |
| set(${RESULT_VARIABLE} OFF PARENT_SCOPE) |
| else() |
| message(STATUS "${EXTENSION_NAME} supported by glslc") |
| set(${RESULT_VARIABLE} ON PARENT_SCOPE) |
| add_compile_definitions(${RESULT_VARIABLE}) |
|
|
| # Ensure the extension support is forwarded to vulkan-shaders-gen |
| list(APPEND VULKAN_SHADER_GEN_CMAKE_ARGS -D${RESULT_VARIABLE}=ON) |
| set(VULKAN_SHADER_GEN_CMAKE_ARGS "${VULKAN_SHADER_GEN_CMAKE_ARGS}" PARENT_SCOPE) |
| endif() |
| endfunction() |
|
|
| if (Vulkan_FOUND) |
| message(STATUS "Vulkan found") |
|
|
| ggml_add_backend_library(ggml-vulkan |
| ggml-vulkan.cpp |
| ../../include/ggml-vulkan.h |
| ) |
|
|
| set(VULKAN_SHADER_GEN_CMAKE_ARGS "") |
|
|
| # Test all shader extensions |
| test_shader_extension_support( |
| "GL_KHR_cooperative_matrix" |
| "${CMAKE_CURRENT_SOURCE_DIR}/vulkan-shaders/feature-tests/coopmat.comp" |
| "GGML_VULKAN_COOPMAT_GLSLC_SUPPORT" |
| ) |
|
|
| test_shader_extension_support( |
| "GL_NV_cooperative_matrix2" |
| "${CMAKE_CURRENT_SOURCE_DIR}/vulkan-shaders/feature-tests/coopmat2.comp" |
| "GGML_VULKAN_COOPMAT2_GLSLC_SUPPORT" |
| ) |
|
|
| test_shader_extension_support( |
| "GL_EXT_integer_dot_product" |
| "${CMAKE_CURRENT_SOURCE_DIR}/vulkan-shaders/feature-tests/integer_dot.comp" |
| "GGML_VULKAN_INTEGER_DOT_GLSLC_SUPPORT" |
| ) |
|
|
| test_shader_extension_support( |
| "GL_EXT_bfloat16" |
| "${CMAKE_CURRENT_SOURCE_DIR}/vulkan-shaders/feature-tests/bfloat16.comp" |
| "GGML_VULKAN_BFLOAT16_GLSLC_SUPPORT" |
| ) |
|
|
| target_link_libraries(ggml-vulkan PRIVATE Vulkan::Vulkan) |
| target_include_directories(ggml-vulkan PRIVATE ${CMAKE_CURRENT_BINARY_DIR}) |
|
|
| # Workaround to the "can't dereference invalidated vector iterator" bug in clang-cl debug build |
| # Possibly relevant: https://stackoverflow.com/questions/74748276/visual-studio-no-displays-the-correct-length-of-stdvector |
| if (MSVC AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang") |
| add_compile_definitions(_ITERATOR_DEBUG_LEVEL=0) |
| endif() |
|
|
| if (GGML_VULKAN_CHECK_RESULTS) |
| add_compile_definitions(GGML_VULKAN_CHECK_RESULTS) |
| endif() |
|
|
| if (GGML_VULKAN_DEBUG) |
| add_compile_definitions(GGML_VULKAN_DEBUG) |
| endif() |
|
|
| if (GGML_VULKAN_MEMORY_DEBUG) |
| add_compile_definitions(GGML_VULKAN_MEMORY_DEBUG) |
| endif() |
|
|
| if (GGML_VULKAN_SHADER_DEBUG_INFO) |
| add_compile_definitions(GGML_VULKAN_SHADER_DEBUG_INFO) |
| list(APPEND VULKAN_SHADER_GEN_CMAKE_ARGS -DGGML_VULKAN_SHADER_DEBUG_INFO=ON) |
| endif() |
|
|
| if (GGML_VULKAN_VALIDATE) |
| add_compile_definitions(GGML_VULKAN_VALIDATE) |
| endif() |
|
|
| if (GGML_VULKAN_RUN_TESTS) |
| add_compile_definitions(GGML_VULKAN_RUN_TESTS) |
| endif() |
|
|
| # Set up toolchain for host compilation whether cross-compiling or not |
| if (CMAKE_CROSSCOMPILING) |
| if (GGML_VULKAN_SHADERS_GEN_TOOLCHAIN) |
| set(HOST_CMAKE_TOOLCHAIN_FILE ${GGML_VULKAN_SHADERS_GEN_TOOLCHAIN}) |
| else() |
| detect_host_compiler() |
| if (NOT HOST_C_COMPILER OR NOT HOST_CXX_COMPILER) |
| message(FATAL_ERROR "Host compiler not found") |
| else() |
| message(STATUS "Host compiler: ${HOST_C_COMPILER} ${HOST_CXX_COMPILER}") |
| endif() |
| configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/host-toolchain.cmake.in ${CMAKE_BINARY_DIR}/host-toolchain.cmake @ONLY) |
| set(HOST_CMAKE_TOOLCHAIN_FILE ${CMAKE_BINARY_DIR}/host-toolchain.cmake) |
| endif() |
| else() |
| # For non-cross-compiling, use empty toolchain (use host compiler) |
| set(HOST_CMAKE_TOOLCHAIN_FILE "") |
| endif() |
|
|
| include(ExternalProject) |
|
|
| if (CMAKE_CROSSCOMPILING) |
| list(APPEND VULKAN_SHADER_GEN_CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=${HOST_CMAKE_TOOLCHAIN_FILE}) |
| message(STATUS "vulkan-shaders-gen toolchain file: ${HOST_CMAKE_TOOLCHAIN_FILE}") |
| endif() |
|
|
| ExternalProject_Add( |
| vulkan-shaders-gen |
| SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vulkan-shaders |
| CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/$<CONFIG> |
| -DCMAKE_INSTALL_BINDIR=. |
| -DCMAKE_BUILD_TYPE=$<CONFIG> |
| ${VULKAN_SHADER_GEN_CMAKE_ARGS} |
|
|
| BUILD_COMMAND ${CMAKE_COMMAND} --build . --config $<CONFIG> |
| BUILD_ALWAYS TRUE |
|
|
| # NOTE: When DESTDIR is set using Makefile generators and |
| # "make install" triggers the build step, vulkan-shaders-gen |
| # would be installed into the DESTDIR prefix, so it is unset |
| # to ensure that does not happen. |
|
|
| INSTALL_COMMAND ${CMAKE_COMMAND} -E env --unset=DESTDIR |
| ${CMAKE_COMMAND} --install . --config $<CONFIG> |
| ) |
|
|
| set (_ggml_vk_host_suffix $<IF:$<STREQUAL:${CMAKE_HOST_SYSTEM_NAME},Windows>,.exe,>) |
| set (_ggml_vk_genshaders_dir "${CMAKE_BINARY_DIR}/$<CONFIG>") |
| set (_ggml_vk_genshaders_cmd "${_ggml_vk_genshaders_dir}/vulkan-shaders-gen${_ggml_vk_host_suffix}") |
| set (_ggml_vk_header "${CMAKE_CURRENT_BINARY_DIR}/ggml-vulkan-shaders.hpp") |
| set (_ggml_vk_input_dir "${CMAKE_CURRENT_SOURCE_DIR}/vulkan-shaders") |
| set (_ggml_vk_output_dir "${CMAKE_CURRENT_BINARY_DIR}/vulkan-shaders.spv") |
|
|
| file(GLOB _ggml_vk_shader_files CONFIGURE_DEPENDS "${_ggml_vk_input_dir}/*.comp") |
|
|
| # Because external projects do not provide source-level tracking, |
| # the vulkan-shaders-gen sources need to be explicitly added to |
| # ensure that changes will cascade into shader re-generation. |
|
|
| file(GLOB _ggml_vk_shaders_gen_sources |
| CONFIGURE_DEPENDS "${_ggml_vk_input_dir}/*.cpp" |
| "${_ggml_vk_input_dir}/*.h") |
|
|
| add_custom_command( |
| OUTPUT ${_ggml_vk_header} |
| COMMAND ${_ggml_vk_genshaders_cmd} |
| --output-dir ${_ggml_vk_output_dir} |
| --target-hpp ${_ggml_vk_header} |
| DEPENDS ${_ggml_vk_shaders_gen_sources} |
| vulkan-shaders-gen |
| COMMENT "Generate vulkan shaders header" |
| ) |
| target_sources(ggml-vulkan PRIVATE ${_ggml_vk_header}) |
|
|
| foreach (file_full ${_ggml_vk_shader_files}) |
| get_filename_component(file ${file_full} NAME) |
| set (_ggml_vk_target_cpp "${CMAKE_CURRENT_BINARY_DIR}/${file}.cpp") |
|
|
| add_custom_command( |
| OUTPUT ${_ggml_vk_target_cpp} |
| DEPFILE ${_ggml_vk_target_cpp}.d |
| COMMAND ${_ggml_vk_genshaders_cmd} |
| --glslc ${Vulkan_GLSLC_EXECUTABLE} |
| --source ${file_full} |
| --output-dir ${_ggml_vk_output_dir} |
| --target-hpp ${_ggml_vk_header} |
| --target-cpp ${_ggml_vk_target_cpp} |
| DEPENDS ${file_full} |
| ${_ggml_vk_shaders_gen_sources} |
| vulkan-shaders-gen |
| COMMENT "Generate vulkan shaders for ${file}" |
| ) |
| target_sources(ggml-vulkan PRIVATE ${_ggml_vk_target_cpp}) |
| endforeach() |
|
|
| else() |
| message(WARNING "Vulkan not found") |
| endif() |
|
|
