# 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. cmake_minimum_required(VERSION 3.10) # When upgrading to CMake 3.11 we can remove DAWN_DUMMY_FILE because source-less add_library # becomes available. # When upgrading to CMake 3.12 we should add CONFIGURE_DEPENDS to DawnGenerator to rerun CMake in # case any of the generator files changes. We should also remove the CACHE "" FORCE stuff to # override options in third_party dependencies. We can also add the HOMEPAGE_URL # entry to the project `HOMEPAGE_URL "https://dawn.googlesource.com/dawn"` project( Dawn DESCRIPTION "Dawn, a WebGPU implementation" LANGUAGES C CXX ) set_property(GLOBAL PROPERTY USE_FOLDERS ON) if(NOT CMAKE_BUILD_TYPE) message(WARNING "CMAKE_BUILD_TYPE not set, forcing it to Debug") set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Build type (Debug, Release, RelWithDebInfo, MinSizeRel)" FORCE) endif() set(DAWN_BUILD_GEN_DIR "${Dawn_BINARY_DIR}/gen") set(DAWN_GENERATOR_DIR "${Dawn_SOURCE_DIR}/generator") set(DAWN_SRC_DIR "${Dawn_SOURCE_DIR}/src") set(DAWN_INCLUDE_DIR "${DAWN_SRC_DIR}/include") set(DAWN_TEMPLATE_DIR "${DAWN_GENERATOR_DIR}/templates") set(DAWN_DUMMY_FILE "${DAWN_SRC_DIR}/Dummy.cpp") ################################################################################ # Configuration options ################################################################################ # Default values for the backend-enabling options set(ENABLE_D3D12 OFF) set(ENABLE_METAL OFF) set(ENABLE_OPENGL OFF) set(ENABLE_VULKAN OFF) set(USE_X11 OFF) if (WIN32) set(ENABLE_D3D12 ON) set(ENABLE_VULKAN ON) elseif(APPLE) set(ENABLE_METAL ON) elseif(UNIX) set(ENABLE_OPENGL ON) set(ENABLE_VULKAN ON) set(USE_X11 ON) endif() option(DAWN_ENABLE_D3D12 "Enable compilation of the D3D12 backend" ${ENABLE_D3D12}) option(DAWN_ENABLE_METAL "Enable compilation of the Metal backend" ${ENABLE_METAL}) option(DAWN_ENABLE_NULL "Enable compilation of the Null backend" ON) option(DAWN_ENABLE_OPENGL "Enable compilation of the OpenGL backend" ${ENABLE_OPENGL}) option(DAWN_ENABLE_VULKAN "Enable compilation of the Vulkan backend" ${ENABLE_VULKAN}) option(DAWN_ENABLE_WGSL "Enable WGSL support" OFF) option(DAWN_ALWAYS_ASSERT "Enable assertions on all build types" OFF) option(DAWN_USE_X11 "Enable support for X11 surface" ${USE_X11}) option(DAWN_BUILD_EXAMPLES "Enables building Dawn's exmaples" ON) set(DAWN_THIRD_PARTY_DIR "${Dawn_SOURCE_DIR}/third_party" CACHE STRING "Directory in which to find third-party dependencies.") set(DAWN_GLFW_DIR "${DAWN_THIRD_PARTY_DIR}/glfw" CACHE STRING "Directory in which to find GLFW") set(DAWN_GLM_DIR "${DAWN_THIRD_PARTY_DIR}/glm" CACHE STRING "Directory in which to find GLM") set(DAWN_GLSLANG_DIR "${DAWN_THIRD_PARTY_DIR}/glslang" CACHE STRING "Directory in which to find GLSLang") set(DAWN_JINJA2_DIR "${DAWN_THIRD_PARTY_DIR}/jinja2" CACHE STRING "Directory in which to find Jinja2") set(DAWN_SHADERC_DIR "${DAWN_THIRD_PARTY_DIR}/shaderc" CACHE STRING "Directory in which to find shaderc") set(DAWN_SPIRV_CROSS_DIR "${DAWN_THIRD_PARTY_DIR}/spirv-cross" CACHE STRING "Directory in which to find SPIRV-Cross") set(DAWN_SPIRV_HEADERS_DIR "${DAWN_THIRD_PARTY_DIR}/spirv-headers" CACHE STRING "Directory in which to find SPIRV-Headers") set(DAWN_SPIRV_TOOLS_DIR "${DAWN_THIRD_PARTY_DIR}/SPIRV-Tools" CACHE STRING "Directory in which to find SPIRV-Tools") set(DAWN_TINT_DIR "${DAWN_THIRD_PARTY_DIR}/tint" CACHE STRING "Directory in which to find Tint") ################################################################################ # Dawn's public and internal "configs" ################################################################################ # The public config contains only the include paths for the Dawn headers. add_library(dawn_public_config INTERFACE) target_include_directories(dawn_public_config INTERFACE "${DAWN_SRC_DIR}/include" "${DAWN_BUILD_GEN_DIR}/src/include" ) # The internal config conatins additional path but includes the dawn_public_config include paths add_library(dawn_internal_config INTERFACE) target_include_directories(dawn_internal_config INTERFACE "${DAWN_SRC_DIR}" "${DAWN_BUILD_GEN_DIR}/src" ) target_link_libraries(dawn_internal_config INTERFACE dawn_public_config) # Compile definitions for the internal config if (DAWN_ALWAYS_ASSERT OR $<CONFIG:Debug>) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_ASSERTS") endif() if (DAWN_ENABLE_D3D12) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_D3D12") endif() if (DAWN_ENABLE_METAL) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_METAL") endif() if (DAWN_ENABLE_NULL) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_NULL") endif() if (DAWN_ENABLE_OPENGL) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_OPENGL") endif() if (DAWN_ENABLE_VULKAN) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_VULKAN") endif() if (DAWN_ENABLE_WGSL) target_compile_definitions(dawn_internal_config INTERFACE "-DDAWN_ENABLE_WGSL=1") endif() if (DAWN_USE_X11) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_USE_X11") endif() if (WIN32) target_compile_definitions(dawn_internal_config INTERFACE "NOMINMAX" "WIN32_LEAN_AND_MEAN") endif() set(CMAKE_CXX_STANDARD "14") ################################################################################ # Run on all subdirectories ################################################################################ add_subdirectory(third_party) add_subdirectory(src/common) add_subdirectory(generator) add_subdirectory(src/dawn) add_subdirectory(src/dawn_platform) add_subdirectory(src/dawn_native) add_subdirectory(src/dawn_wire) # TODO(dawn:269): Remove once the implementation-based swapchains are removed. add_subdirectory(src/utils) if (DAWN_BUILD_EXAMPLES) #TODO(dawn:269): Add this once implementation-based swapchains are removed. #add_subdirectory(src/utils) add_subdirectory(examples) endif()