2022-11-23 14:51:38 +08:00
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cmake_minimum_required(VERSION 3.14)
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project(blah)
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# C++ version
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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add_library(blah
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src/blah_app.cpp
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src/blah_filesystem.cpp
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src/blah_common.cpp
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src/blah_time.cpp
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src/blah_input.cpp
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src/blah_stream.cpp
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src/blah_graphics.cpp
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src/blah_string.cpp
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src/blah_batch.cpp
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src/blah_spritefont.cpp
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src/blah_subtexture.cpp
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src/blah_aseprite.cpp
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src/blah_audio.cpp
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src/blah_font.cpp
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src/blah_image.cpp
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src/blah_packer.cpp
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src/blah_audio.cpp
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src/internal/blah_renderer_opengl.cpp
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src/internal/blah_renderer_d3d11.cpp
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src/internal/blah_platform_sdl2.cpp
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src/internal/blah_platform_win32.cpp
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)
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target_include_directories(blah
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PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
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PRIVATE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
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)
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# Platform Variables
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option(BLAH_PLATFORM_SDL2 "Use SDL2 Platform Backend" ON)
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option(BLAH_PLATFORM_WIN32 "Use Win32 Platform Backend" OFF)
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option(BLAH_RENDERER_OPENGL "Make OpenGL Renderer available" ON)
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if (WIN32)
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option(BLAH_RENDERER_D3D11 "Make D3D11 Renderer available" ON)
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endif()
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option(BLAH_NO_FUNCTIONAL "Don't use std::function" OFF)
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option(BLAH_NO_SHARED_PTR "Don't use std::shared_ptr for Resources" OFF)
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option(BLAH_NO_THREADING "Don't use threading" OFF)
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# tracks which libraries we need to link, depends on Options above
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set(LIBS "")
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# use the OpenGL Renderer Backend
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if (BLAH_RENDERER_OPENGL)
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add_compile_definitions(BLAH_RENDERER_OPENGL)
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endif()
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# use the D3D11 Renderer Backend
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if (BLAH_RENDERER_D3D11)
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add_compile_definitions(BLAH_RENDERER_D3D11)
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set(LIBS ${LIBS} d3d11.lib dxguid.lib D3Dcompiler.lib)
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endif()
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# use the SDL2 Platform Backend
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# Link and create SDL2 Definition
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if (BLAH_PLATFORM_SDL2)
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add_compile_definitions(BLAH_PLATFORM_SDL2)
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# Emscripten can import SDL2 directly
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if (EMSCRIPTEN)
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set_target_properties(blah PROPERTIES COMPILE_FLAGS "-s USE_SDL=2")
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target_link_libraries(blah "-s USE_SDL=2 -s USE_WEBGL2=1")
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# Pull SDL2 from its Github repo
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else()
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if (NOT DEFINED BLAH_SDL2_LIBS)
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include(FetchContent)
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set(FETCHCONTENT_QUIET FALSE)
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FetchContent_Declare(
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SDL2
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GIT_REPOSITORY https://github.com/libsdl-org/SDL
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GIT_TAG release-2.26.0 # grab latest stable release
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GIT_PROGRESS TRUE
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)
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FetchContent_MakeAvailable(SDL2)
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set(BLAH_SDL2_LIBS SDL2main SDL2-static)
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set(BLAH_SDL2_INCLUDE ${sdl2_SOURCE_DIRS}/include)
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endif()
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# statically link SDL2 since we're building it ourselves
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set(LIBS ${LIBS} ${BLAH_SDL2_LIBS})
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target_include_directories(blah PRIVATE ${BLAH_SDL2_INCLUDE})
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endif()
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# use the Win32 Platform Backend
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elseif (BLAH_PLATFORM_WIN32)
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add_compile_definitions(BLAH_PLATFORM_WIN32)
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endif()
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target_link_libraries(blah PRIVATE ${LIBS})
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# toggle options
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if (BLAH_NO_FUNCTIONAL)
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add_compile_definitions(BLAH_NO_FUNCTIONAL)
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endif()
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if (BLAH_NO_SHARED_PTR)
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add_compile_definitions(BLAH_NO_SHARED_PTR)
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endif()
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if (BLAH_NO_THREADING)
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add_compile_definitions(BLAH_NO_THREADING)
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endif()
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