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https://github.com/GayPizzaSpecifications/padlab.git
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Split USE backends into separate targets
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parent
a75e480155
commit
b72891a283
@ -2,26 +2,9 @@ cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
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project(padlab C)
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set(TARGET padlab)
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option(USE_METAL "use Metal for drawing" ${APPLE})
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if (USE_METAL)
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option(USE_OPENGL "Use OpenGL for drawing (WIP)" OFF)
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option(USE_OPENGL_LEGACY "Use legacy OpenGL for drawing" OFF)
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if (USE_OPENGL)
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message(FATAL_ERROR "USE_METAL and USE_OPENGL are both ON but only one backend can be used at a time, turn one OFF and regenerate. (or delete cache and try again)")
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elseif (USE_OPENGL_LEGACY)
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message(FATAL_ERROR "USE_METAL and USE_OPENGL_LEGACY are both ON but only one backend can be used at a time, turn one OFF and regenerate. (or delete cache and try again)")
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endif()
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else()
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option(USE_OPENGL "Use OpenGL for drawing (WIP)" OFF)
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if (USE_OPENGL)
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option(USE_OPENGL_LEGACY "Use legacy OpenGL for drawing" OFF)
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if (USE_OPENGL_LEGACY)
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message(FATAL_ERROR "USE_OPENGL and USE_OPENGL_LEGACY are both ON but only one backend can be used at a time, turn one OFF and regenerate. (or delete cache and try again)")
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endif()
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else()
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option(USE_OPENGL_LEGACY "Use legacy OpenGL for drawing" ON)
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endif()
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endif()
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option(BUILD_OPENGL_LEGACY "Build legacy OpenGL 1.1 compatibility profile executable" ON)
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option(BUILD_METAL "Build executable using Metal for drawing (WIP)" ${APPLE})
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option(BUILD_OPENGL "Build OpenGL 3.3 core profile executable (WIP)" OFF)
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
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set(CMAKE_C_STANDARD 99)
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@ -33,7 +16,7 @@ elseif (MSVC)
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endif()
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find_package(SDL2 REQUIRED)
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if (USE_OPENGL OR USE_OPENGL_LEGACY)
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if (BUILD_OPENGL OR BUILD_OPENGL_LEGACY)
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if (NOT DEFINED OpenGL_GL_PREFERENCE)
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set(OpenGL_GL_PREFERENCE "GLVND")
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endif()
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@ -1,44 +1,59 @@
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set(SOURCES
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set(SOURCES_COMMON
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maths.h
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draw.h
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draw_common.c
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$<$<NOT:$<OR:$<BOOL:${USE_METAL}>,$<BOOL:${USE_OPENGL}>,$<BOOL:${USE_OPENGL_LEGACY}>>>:draw.c>
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$<$<BOOL:${USE_METAL}>:draw_metal.m metal_shader_types.h>
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$<$<BOOL:${USE_OPENGL}>:draw_opengl_core.c>
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$<$<BOOL:${USE_OPENGL_LEGACY}>:draw_opengl.c>
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stick.h
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stick.c
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analogue.c)
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set(SOURCES_SDL_RENDERER draw.c)
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set(SOURCES_METAL draw_metal.m metal_shader_types.h)
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set(SOURCES_OPENGL draw_opengl_core.c)
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set(SOURCES_OPENGL_LEGACY draw_opengl.c)
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if (USE_METAL)
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function (common_setup _TARGET)
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target_link_libraries(${_TARGET}
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$<$<PLATFORM_ID:Windows>:SDL2::SDL2main>
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SDL2::SDL2
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$<$<BOOL:${GNU}>:m>)
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target_compile_options(${_TARGET} PRIVATE
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$<$<BOOL:${GNU}>:-Wall -Wextra -pedantic -Wno-unused-parameter>)
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endfunction()
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add_executable(${TARGET} ${SOURCES_COMMON} ${SOURCES_SDL_RENDERER})
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common_setup(${TARGET})
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if (BUILD_METAL OR BUILD_OPENGL)
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include(BinHelper)
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endif()
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if (BUILD_METAL)
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enable_language(OBJC)
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find_library(METAL Metal REQUIRED)
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find_library(FOUNDATION Foundation REQUIRED)
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find_library(QUARTZCORE QuartzCore REQUIRED)
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include(MetalHelper)
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metal_compile(OUTPUT shader.metallib SOURCES shader.metal)
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include(BinHelper)
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bin2h_compile(OUTPUT metalShader.h BIN ${CMAKE_CURRENT_BINARY_DIR}/shader.metallib)
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list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/metalShader.h)
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elseif (USE_OPENGL)
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include(GL3WHelper)
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add_gl3w(gl3w)
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include(BinHelper)
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bin2h_compile(OUTPUT glslShaders.h TXT vert.glsl geom.glsl frag.glsl)
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list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/glslShaders.h)
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add_executable(${TARGET}_metal ${SOURCES_COMMON} ${SOURCES_METAL} ${CMAKE_CURRENT_BINARY_DIR}/metalShader.h)
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target_include_directories(${TARGET}_metal PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
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target_link_libraries(${TARGET}_metal ${METAL} ${QUARTZCORE} ${FOUNDATION})
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common_setup(${TARGET}_metal)
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endif()
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add_executable(${TARGET} ${SOURCES})
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target_include_directories(${TARGET} PRIVATE
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$<$<OR:$<BOOL:${USE_METAL}>,$<BOOL:${USE_OPENGL}>>:${CMAKE_CURRENT_BINARY_DIR}>)
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target_link_libraries(${TARGET}
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$<$<PLATFORM_ID:Windows>:SDL2::SDL2main>
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SDL2::SDL2
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$<$<BOOL:${USE_METAL}>:${METAL} ${QUARTZCORE} ${FOUNDATION}>
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$<$<OR:$<BOOL:${USE_OPENGL}>,$<BOOL:${USE_OPENGL_LEGACY}>>:OpenGL::GL>
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$<$<BOOL:${USE_OPENGL}>:gl3w>
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$<$<BOOL:${GNU}>:m>)
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target_compile_options(${TARGET} PRIVATE
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$<$<BOOL:${GNU}>:-Wall -Wextra -pedantic -Wno-unused-parameter>)
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target_compile_definitions(${TARGET} PRIVATE
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$<$<BOOL:${USE_METAL}>:USE_METAL>
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$<$<OR:$<BOOL:${USE_OPENGL}>,$<BOOL:${USE_OPENGL_LEGACY}>>:USE_OPENGL>)
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if (BUILD_OPENGL)
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include(GL3WHelper)
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add_gl3w(gl3w)
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bin2h_compile(OUTPUT glslShaders.h TXT vert.glsl geom.glsl frag.glsl)
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add_executable(${TARGET}_glcore ${SOURCES_COMMON} ${SOURCES_OPENGL} ${CMAKE_CURRENT_BINARY_DIR}/glslShaders.h)
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target_include_directories(${TARGET}_glcore PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
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target_link_libraries(${TARGET}_glcore OpenGL::GL gl3w)
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target_compile_definitions(${TARGET}_glcore PRIVATE USE_OPENGL)
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common_setup(${TARGET}_glcore)
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endif()
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if (BUILD_OPENGL_LEGACY)
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add_executable(${TARGET}_gl ${SOURCES_COMMON} ${SOURCES_OPENGL_LEGACY})
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target_link_libraries(${TARGET}_gl OpenGL::GL)
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target_compile_definitions(${TARGET}_gl PRIVATE USE_OPENGL)
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common_setup(${TARGET}_gl)
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endif()
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