get_filename_component(PROJECT_ROOT ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)

get_filename_component(PROJECT_ROOT ${PROJECT_ROOT} DIRECTORY)

set(FILEPATH_CURRENT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${FILENAME}")

set(FILEPATH_PROJECT_ROOT "${PROJECT_ROOT}/${FILENAME}")

include("${CMAKE_CURRENT_SOURCE_DIR}/cmake/find_gpu.cmake")

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()

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)

target_include_directories(gpu INTERFACE ${TARGET_FILE_PATH})

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})