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cmake_minimum_required (VERSION 3.0)
cmake_policy(VERSION 3.0)
project(LearnOpenGL)
set(CMAKE_CXX_STANDARD 17) # this does nothing for MSVC, use target_compile_options below
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS ON)
IF(NOT CMAKE_BUILD_TYPE)
SET(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build (Debug or Release)" FORCE)
ENDIF(NOT CMAKE_BUILD_TYPE)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules/")
if(WIN32)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
endif(WIN32)
link_directories(${CMAKE_SOURCE_DIR}/lib)
# find the required packages
find_package(GLM REQUIRED)
message(STATUS "GLM included at ${GLM_INCLUDE_DIR}")
find_package(GLFW3 REQUIRED)
message(STATUS "Found GLFW3 in ${GLFW3_INCLUDE_DIR}")
find_package(ASSIMP REQUIRED)
message(STATUS "Found ASSIMP in ${ASSIMP_INCLUDE_DIR}")
# find_package(SOIL REQUIRED)
# message(STATUS "Found SOIL in ${SOIL_INCLUDE_DIR}")
# find_package(GLEW REQUIRED)
# message(STATUS "Found GLEW in ${GLEW_INCLUDE_DIR}")
if(APPLE)
find_package(Freetype REQUIRED)
message(STATUS "Found Freetype in ${FREETYPE_INCLUDE_DIRS}")
endif(APPLE)
if(WIN32)
set(LIBS glfw3 opengl32 assimp freetype irrKlang)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
elseif(UNIX AND NOT APPLE)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall")
find_package(OpenGL REQUIRED)
add_definitions(${OPENGL_DEFINITIONS})
find_package(X11 REQUIRED)
# note that the order is important for setting the libs
# use pkg-config --libs $(pkg-config --print-requires --print-requires-private glfw3) in a terminal to confirm
set(LIBS ${GLFW3_LIBRARY} X11 Xrandr Xinerama Xi Xxf86vm Xcursor GL dl pthread freetype ${ASSIMP_LIBRARY})
set (CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_LINK_EXECUTABLE} -ldl")
elseif(APPLE)
INCLUDE_DIRECTORIES(/System/Library/Frameworks)
FIND_LIBRARY(COCOA_LIBRARY Cocoa)
FIND_LIBRARY(OpenGL_LIBRARY OpenGL)
FIND_LIBRARY(IOKit_LIBRARY IOKit)
FIND_LIBRARY(CoreVideo_LIBRARY CoreVideo)
MARK_AS_ADVANCED(COCOA_LIBRARY OpenGL_LIBRARY)
SET(APPLE_LIBS ${COCOA_LIBRARY} ${IOKit_LIBRARY} ${OpenGL_LIBRARY} ${CoreVideo_LIBRARY})
SET(APPLE_LIBS ${APPLE_LIBS} ${GLFW3_LIBRARY} ${ASSIMP_LIBRARY} ${FREETYPE_LIBRARIES})
set(LIBS ${LIBS} ${APPLE_LIBS})
else()
set(LIBS )
endif(WIN32)
set(CHAPTERS
1.getting_started
2.lighting
3.model_loading
4.advanced_opengl
5.advanced_lighting
6.pbr
7.in_practice
)
set(1.getting_started
1.1.hello_window
1.2.hello_window_clear
2.1.hello_triangle
2.2.hello_triangle_indexed
2.3.hello_triangle_exercise1
2.4.hello_triangle_exercise2
2.5.hello_triangle_exercise3
3.1.shaders_uniform
3.2.shaders_interpolation
3.3.shaders_class
4.1.textures
4.2.textures_combined
4.4.textures_exercise2
4.5.textures_exercise3
4.6.textures_exercise4
5.1.transformations
5.2.transformations_exercise2
6.1.coordinate_systems
6.2.coordinate_systems_depth
6.3.coordinate_systems_multiple
7.1.camera_circle
7.2.camera_keyboard_dt
7.3.camera_mouse_zoom
7.4.camera_class
)
set(2.lighting
1.colors
2.1.basic_lighting_diffuse
2.2.basic_lighting_specular
3.1.materials
3.2.materials_exercise1
4.1.lighting_maps_diffuse_map
4.2.lighting_maps_specular_map
4.4.lighting_maps_exercise4
5.1.light_casters_directional
5.2.light_casters_point
5.3.light_casters_spot
5.4.light_casters_spot_soft
6.multiple_lights
)
set(3.model_loading
1.model_loading
)
set(4.advanced_opengl
1.1.depth_testing
1.2.depth_testing_view
2.stencil_testing
3.1.blending_discard
3.2.blending_sort
5.1.framebuffers
5.2.framebuffers_exercise1
6.1.cubemaps_skybox
6.2.cubemaps_environment_mapping
8.advanced_glsl_ubo
9.1.geometry_shader_houses
9.2.geometry_shader_exploding
9.3.geometry_shader_normals
10.1.instancing_quads
10.2.asteroids
10.3.asteroids_instanced
11.1.anti_aliasing_msaa
11.2.anti_aliasing_offscreen
)
set(5.advanced_lighting
1.advanced_lighting
2.gamma_correction
3.1.1.shadow_mapping_depth
3.1.2.shadow_mapping_base
3.1.3.shadow_mapping
3.2.1.point_shadows
3.2.2.point_shadows_soft
4.normal_mapping
5.1.parallax_mapping
5.2.steep_parallax_mapping
5.3.parallax_occlusion_mapping
6.hdr
7.bloom
8.1.deferred_shading
8.2.deferred_shading_volumes
9.ssao
)
set(6.pbr
1.1.lighting
1.2.lighting_textured
2.1.1.ibl_irradiance_conversion
2.1.2.ibl_irradiance
2.2.1.ibl_specular
2.2.2.ibl_specular_textured
)
set(7.in_practice
1.debugging
2.text_rendering
#3.2d_game
)
set(GUEST_ARTICLES
8.guest/2020/oit
8.guest/2020/skeletal_animation
8.guest/2021/1.scene/1.scene_graph
8.guest/2021/1.scene/2.frustum_culling
8.guest/2021/2.csm
#8.guest/2021/3.tessellation/terrain_gpu_dist
#8.guest/2021/3.tessellation/terrain_cpu_src
8.guest/2021/4.dsa
8.guest/2022/5.computeshader_helloworld
8.guest/2022/6.physically_based_bloom
)
configure_file(configuration/root_directory.h.in configuration/root_directory.h)
include_directories(${CMAKE_BINARY_DIR}/configuration)
# first create relevant static libraries requried for other projects
add_library(STB_IMAGE "src/stb_image.cpp")
set(LIBS ${LIBS} STB_IMAGE)
add_library(GLAD "src/glad.c")
set(LIBS ${LIBS} GLAD)
macro(makeLink src dest target)
add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E create_symlink ${src} ${dest} DEPENDS ${dest} COMMENT "mklink ${src} -> ${dest}")
endmacro()
function(create_project_from_sources chapter demo)
file(GLOB SOURCE
"src/${chapter}/${demo}/*.h"
"src/${chapter}/${demo}/*.cpp"
"src/${chapter}/${demo}/*.vs"
"src/${chapter}/${demo}/*.fs"
"src/${chapter}/${demo}/*.gs"
"src/${chapter}/${demo}/*.cs"
)
if (demo STREQUAL "")
SET(replaced "")
string(REPLACE "/" "_" replaced ${chapter})
set(NAME ${replaced})
else()
set(NAME "${chapter}__${demo}")
endif()
add_executable(${NAME} ${SOURCE})
target_link_libraries(${NAME} ${LIBS})
if(MSVC)
target_compile_options(${NAME} PRIVATE /std:c++17 /MP)
target_link_options(${NAME} PUBLIC /ignore:4099)
endif(MSVC)
if(WIN32)
set_target_properties(${NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/bin/${chapter}")
set_target_properties(${NAME} PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/bin/${chapter}/Debug")
elseif(UNIX AND NOT APPLE)
set_target_properties(${NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/bin/${chapter}")
elseif(APPLE)
set_target_properties(${NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/bin/${chapter}")
set_target_properties(${NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_SOURCE_DIR}/bin/${chapter}")
set_target_properties(${NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_SOURCE_DIR}/bin/${chapter}")
endif(WIN32)
# copy shader files to build directory
file(GLOB SHADERS
"src/${chapter}/${demo}/*.vs"
# "src/${chapter}/${demo}/*.frag"
"src/${chapter}/${demo}/*.fs"
"src/${chapter}/${demo}/*.gs"
"src/${chapter}/${demo}/*.cs"
)
# copy dlls
file(GLOB DLLS "dlls/*.dll")
foreach(SHADER ${SHADERS})
if(WIN32)
# configure_file(${SHADER} "test")
add_custom_command(TARGET ${NAME} PRE_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${SHADER} $<TARGET_FILE_DIR:${NAME}>)
add_custom_command(TARGET ${NAME} PRE_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${DLLS} $<TARGET_FILE_DIR:${NAME}>)
elseif(UNIX AND NOT APPLE)
file(COPY ${SHADER} DESTINATION ${CMAKE_SOURCE_DIR}/bin/${chapter})
elseif(APPLE)
# create symbolic link for *.vs *.fs *.gs
get_filename_component(SHADERNAME ${SHADER} NAME)
makeLink(${SHADER} ${CMAKE_SOURCE_DIR}/bin/${chapter}/${SHADERNAME} ${NAME})
endif(WIN32)
endforeach(SHADER)
# if compiling for visual studio, also use configure file for each project (specifically to set up working directory)
if(MSVC)
configure_file(${CMAKE_SOURCE_DIR}/configuration/visualstudio.vcxproj.user.in ${CMAKE_CURRENT_BINARY_DIR}/${NAME}.vcxproj.user @ONLY)
endif(MSVC)
endfunction()
# then create a project file per tutorial
foreach(CHAPTER ${CHAPTERS})
foreach(DEMO ${${CHAPTER}})
create_project_from_sources(${CHAPTER} ${DEMO})
endforeach(DEMO)
endforeach(CHAPTER)
foreach(GUEST_ARTICLE ${GUEST_ARTICLES})
create_project_from_sources(${GUEST_ARTICLE} "")
endforeach(GUEST_ARTICLE)
include_directories(${CMAKE_SOURCE_DIR}/includes)
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