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gpu.cmake
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69 lines (60 loc) · 2.4 KB
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get_filename_component(PROJECT_ROOT ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
get_filename_component(PROJECT_ROOT ${PROJECT_ROOT} DIRECTORY)
# Construct potential paths
set(FILEPATH_CURRENT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${FILENAME}")
set(FILEPATH_PROJECT_ROOT "${PROJECT_ROOT}/${FILENAME}")
# Include file finding utility script
include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/find_gpu.cmake")
# Check if the file exists in the current directory
find_project_root(${CMAKE_CURRENT_SOURCE_DIR} ${FILENAME} TARGET_FILE_PATH)
if("${TARGET_FILE_PATH}" STREQUAL "")
find_project_root(${FILEPATH_CURRENT_DIR} ${FILENAME} TARGET_FILE_PATH)
if("${TARGET_FILE_PATH}" STREQUAL "")
message(
FATAL_ERROR
"File ${FILENAME} not found in either ${CMAKE_CURRENT_SOURCE_DIR} or ${CMAKE_CURRENT_SOURCE_DIR}/../../"
)
endif()
endif()
# Define architecture and build type directories or file names
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ARCH "x64")
else()
set(ARCH "x86")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(BUILD_TYPE "Debug")
else()
set(BUILD_TYPE "Release")
endif()
add_library(webgpulib SHARED IMPORTED)
add_library(gpu INTERFACE)
add_library(wgpu INTERFACE)
add_dependencies(gpu webgpulib)
# Define the header-only library
target_include_directories(gpu INTERFACE ${TARGET_FILE_PATH})
# Add headers webgpu.h
target_include_directories(wgpu
INTERFACE ${TARGET_FILE_PATH}/third_party/headers)
include(ExternalProject)
set(DAWN_EXT_PREFIX "${TARGET_FILE_PATH}/third_party/local/dawn")
ExternalProject_Add(
dawn_project
PREFIX ${DAWN_EXT_PREFIX}
GIT_REPOSITORY "https://dawn.googlesource.com/dawn"
GIT_TAG "main"
SOURCE_DIR "${DAWN_EXT_PREFIX}/source"
BINARY_DIR "${DAWN_EXT_PREFIX}/build"
INSTALL_DIR "${DAWN_EXT_PREFIX}/install"
GIT_SUBMODULES ""
# setting cmake args doesn't work and I don't know why
CONFIGURE_COMMAND
${CMAKE_COMMAND} -S ${DAWN_EXT_PREFIX}/source -B
${DAWN_EXT_PREFIX}/build -DDAWN_FETCH_DEPENDENCIES=ON
-DDAWN_ENABLE_INSTALL=ON -DDAWN_BUILD_MONOLITHIC_LIBRARY=ON
-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -G ${CMAKE_GENERATOR}
INSTALL_COMMAND ${CMAKE_COMMAND} --install . --prefix
${DAWN_EXT_PREFIX}/install
LOG_INSTALL ON)
find_library(LIBDAWN dawn PATHS "${DAWN_EXT_PREFIX}/install/lib")
target_link_libraries(webgpulib INTERFACE ${LIBDAWN})