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# Copyright 2020 The Dawn Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file 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.
###############################################################################
# Dawn projects
###############################################################################
add_subdirectory(common)
add_subdirectory(platform)
add_subdirectory(native)
add_subdirectory(wire)
# TODO(dawn:269): Remove once the implementation-based swapchains are removed.
add_subdirectory(utils)
if (DAWN_BUILD_SAMPLES)
#TODO(dawn:269): Add this once implementation-based swapchains are removed.
#add_subdirectory(src/utils)
add_subdirectory(samples)
endif()
if (DAWN_BUILD_NODE_BINDINGS)
set(NODE_BINDING_DEPS
${NODE_ADDON_API_DIR}
${NODE_API_HEADERS_DIR}
${WEBGPU_IDL_PATH}
)
foreach(DEP ${NODE_BINDING_DEPS})
if (NOT EXISTS ${DEP})
message(FATAL_ERROR
"DAWN_BUILD_NODE_BINDINGS requires missing dependency '${DEP}'\n"
"Please follow the 'Fetch dependencies' instructions at:\n"
"./src/dawn/node/README.md"
)
endif()
endforeach()
if (NOT CMAKE_POSITION_INDEPENDENT_CODE)
message(FATAL_ERROR "DAWN_BUILD_NODE_BINDINGS requires building with DAWN_ENABLE_PIC")
endif()
add_subdirectory(node)
endif()
###############################################################################
# Dawn headers
###############################################################################
DawnJSONGenerator(
TARGET "headers"
PRINT_NAME "Dawn headers"
RESULT_VARIABLE "DAWN_HEADERS_GEN_SOURCES"
)
# Headers only INTERFACE library with generated headers don't work in CMake
# because the GENERATED property is local to a directory. Instead we make a
# STATIC library with a placeholder cpp file.
#
# INTERFACE libraries can only have INTERFACE sources so the sources get added
# to the dependant's list of sources. If these dependents are in another
# directory, they don't see the GENERATED property and fail to configure
# because the file doesn't exist on disk.
add_library(dawn_headers STATIC ${DAWN_PLACEHOLDER_FILE})
common_compile_options(dawn_headers)
target_sources(dawn_headers PRIVATE
"${DAWN_INCLUDE_DIR}/dawn/dawn_wsi.h"
${DAWN_HEADERS_GEN_SOURCES}
)
target_link_libraries(dawn_headers INTERFACE dawn_public_config)
###############################################################################
# Dawn C++ headers
###############################################################################
DawnJSONGenerator(
TARGET "cpp_headers"
PRINT_NAME "Dawn C++ headers"
RESULT_VARIABLE "DAWNCPP_HEADERS_GEN_SOURCES"
)
# This headers only library needs to be a STATIC library, see comment for
# dawn_headers above.
add_library(dawncpp_headers STATIC ${DAWN_PLACEHOLDER_FILE})
common_compile_options(dawncpp_headers)
target_sources(dawncpp_headers PRIVATE
"${DAWN_INCLUDE_DIR}/dawn/EnumClassBitmasks.h"
${DAWNCPP_HEADERS_GEN_SOURCES}
)
target_link_libraries(dawncpp_headers INTERFACE dawn_headers)
###############################################################################
# Dawn C++ wrapper
###############################################################################
DawnJSONGenerator(
TARGET "cpp"
PRINT_NAME "Dawn C++ wrapper"
RESULT_VARIABLE "DAWNCPP_GEN_SOURCES"
)
add_library(dawncpp STATIC ${DAWN_PLACEHOLDER_FILE})
common_compile_options(dawncpp)
target_sources(dawncpp PRIVATE ${DAWNCPP_GEN_SOURCES})
target_link_libraries(dawncpp PUBLIC dawncpp_headers)
###############################################################################
# libdawn_proc
###############################################################################
DawnJSONGenerator(
TARGET "proc"
PRINT_NAME "Dawn C++ wrapper"
RESULT_VARIABLE "DAWNPROC_GEN_SOURCES"
)
add_library(dawn_proc ${DAWN_PLACEHOLDER_FILE})
common_compile_options(dawn_proc)
target_compile_definitions(dawn_proc PRIVATE "WGPU_IMPLEMENTATION")
if(BUILD_SHARED_LIBS)
target_compile_definitions(dawn_proc PRIVATE "WGPU_SHARED_LIBRARY")
endif()
target_sources(dawn_proc PRIVATE ${DAWNPROC_GEN_SOURCES})
target_link_libraries(dawn_proc PUBLIC dawn_headers)
###############################################################################
# Other generated files (upstream header, emscripten header, emscripten bits)
###############################################################################
DawnJSONGenerator(
TARGET "webgpu_headers"
PRINT_NAME "WebGPU headers"
RESULT_VARIABLE "WEBGPU_HEADERS_GEN_SOURCES"
)
add_custom_target(webgpu_headers_gen
DEPENDS ${WEBGPU_HEADERS_GEN_SOURCES}
)
DawnJSONGenerator(
TARGET "emscripten_bits"
PRINT_NAME "Emscripten WebGPU bits"
RESULT_VARIABLE "EMSCRIPTEN_BITS_GEN_SOURCES"
)
add_custom_target(emscripten_bits_gen
DEPENDS ${EMSCRIPTEN_BITS_GEN_SOURCES}
)