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prism/CMakeLists.txt
Joshua Goins 80a74c15cd Goodbye, WebGPU
The web backend however, is being kept - for the future in case WebGPU gets added back or WebGL support is added
2022-03-10 10:26:59 -05:00

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CMake
Executable file

cmake_minimum_required(VERSION 3.20)
project(PrismEngine)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake)
# enable folders in IDEs that support this feature
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
include(${CMAKE_CURRENT_LIST_DIR}/cmake/Common.cmake)
include(${CMAKE_CURRENT_LIST_DIR}/cmake/AddPlatformExecutable.cmake)
include(FetchContent)
# options
option(BUILD_TOOLS "Build tools for curating content for Prism" OFF)
option(BUILD_EXAMPLE "Build example program" ON)
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
message("Linux build detected!")
find_package(SDL2 CONFIG)
if(NOT TARGET SDL2::SDL2)
find_package(SDL2 REQUIRED)
endif()
set(ENABLE_VULKAN TRUE)
set(ENABLE_LINUX TRUE)
set(NEEDS_HOSTED_SHADER_COMPILER FALSE)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" AND NOT IOS)
message("macOS build detected!")
find_package(SDL2 REQUIRED)
set(ENABLE_VULKAN TRUE)
set(ENABLE_DARWIN TRUE)
set(ENABLE_MACOS TRUE)
set(ENABLE_METAL TRUE)
set(CMAKE_XCODE_GENERATE_SCHEME OFF)
set(NEEDS_HOSTED_SHADER_COMPILER FALSE)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "iOS")
message("iOS build detected!")
set(ENABLE_VULKAN TRUE)
set(ENABLE_DARWIN TRUE)
set(ENABLE_IOS TRUE)
set(ENABLE_METAL TRUE)
set(NEEDS_HOSTED_SHADER_COMPILER TRUE)
set(EXTRA_PLATFORM_ARG "mobile")
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "tvOS")
message("tvOS build detected!")
set(ENABLE_VULKAN TRUE)
set(ENABLE_DARWIN TRUE)
set(ENABLE_TVOS TRUE)
set(ENABLE_METAL TRUE)
set(NEEDS_HOSTED_SHADER_COMPILER TRUE)
set(EXTRA_PLATFORM_ARG "mobile")
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
message("Windows build detected!")
find_package(SDL2 CONFIG REQUIRED)
set(ENABLE_WINDOWS TRUE)
set(ENABLE_VULKAN TRUE)
set(ENABLE_DX12 TRUE)
set(NEEDS_HOSTED_SHADER_COMPILER FALSE)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL "Emscripten")
message("Web build detected!")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3 -O0")
set(ENABLE_WEB TRUE)
set(NEEDS_HOSTED_SHADER_COMPILER TRUE)
endif()
if(ENABLE_VULKAN)
find_package(Vulkan)
if(NOT TARGET Vulkan::Vulkan)
message("Vulkan not found!")
set(ENABLE_VULKAN FALSE)
else()
list(APPEND SHADER_LANGUAGES "spv")
endif()
endif()
if(ENABLE_DX12)
list(APPEND SHADER_LANGUAGES "hlsl")
endif()
if(ENABLE_METAL)
list(APPEND SHADER_LANGUAGES "msl")
endif()
if(NEEDS_HOSTED_SHADER_COMPILER AND (NOT DEFINED SHADER_COMPILER_LOCATION))
message(FATAL_ERROR "You are building for a platform that needs a hosted shader compiler. Please specify the path in SHADER_COMPILER_LOCATION!")
endif()
add_subdirectory(extern)
# enable lto
if (CMAKE_BUILD_TYPE EQUAL "Release")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
endif()
add_subdirectory(platforms)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
add_subdirectory(engine)
add_subdirectory(tools)
if(BUILD_EXAMPLE)
add_subdirectory(example)
endif()