cmake_minimum_required(VERSION 3.12)

set(vcpkg "$ENV{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake")

if(NOT CMAKE_TOOLCHAIN_FILE AND EXISTS "${vcpkg}")

set(CMAKE_TOOLCHAIN_FILE "${vcpkg}"

CACHE FILEPATH "CMake toolchain file")

message(STATUS "vcpkg toolchain found: ${CMAKE_TOOLCHAIN_FILE}")

endif()

project(DiRenderLab C CXX)

set(CMAKE_CXX_STANDARD 17) #enable filesystem

set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_CXX_EXTENSIONS OFF)

include(${CMAKE_SOURCE_DIR}/cmake/cmake_filesystem.cmake)

include(${CMAKE_SOURCE_DIR}/cmake/generate_header.cmake)

include(${CMAKE_SOURCE_DIR}/cmake/utils.cmake)

find_package(glm REQUIRED)

find_package(assimp REQUIRED)

find_package(spdlog REQUIRED)

if (DEFINED VCPKG_TARGET_TRIPLET) # we are using vcpkg

message("VCPKG found!")

find_package(glfw3 REQUIRED)

else ()

find_package(PkgConfig REQUIRED)

pkg_search_module(GLFW REQUIRED glfw3)

endif (DEFINED VCPKG_TARGET_TRIPLET)

set(SOURCE_LIST GLwrapper/globject.cc GLwrapper/globject.hh GLwrapper/program.cc GLwrapper/texture.cc)

set(HEADER_LIST GLwrapper/glsupport.hh GLwrapper/shader.cc GLwrapper/shader.hh GLwrapper/global.hh GLwrapper/program.hh GLwrapper/vertex_buffer.cc GLwrapper/vertex_buffer.hh GLwrapper/vertex_array.cc GLwrapper/vertex_array.hh GLwrapper/texture.hh GLwrapper/glsupport.cc GLwrapper/shapes.cc GLwrapper/shapes.hh GLwrapper/framebuffer.cc GLwrapper/framebuffer.hh)

file(GLOB IMGUI_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/third_party/imgui/*")

file(GLOB THIRD_PARTY

third_party/*.c third_party/*.cc third_party/*.h utils/*.cc utils/*.h

)

message(${THIRD_PARTY})

add_subdirectory(third_party/glad)

function(set_flags name)

target_include_directories(${name} PUBLIC ${CMAKE_SOURCE_DIR})

target_include_directories(${name} SYSTEM PUBLIC "third_party")

target_compile_definitions(${name} PUBLIC -DIMGUI_IMPL_OPENGL_LOADER_GLAD)

target_link_libraries(${name} PUBLIC glfw ${CMAKE_DL_LIBS} spdlog::spdlog)

if (DEFINED VCPKG_TARGET_TRIPLET)

target_link_libraries(${name} PUBLIC assimp::assimp glm::glm)

else ()

# In Linux with assimp installed from pacman, there is no target named assimp::assimp

target_link_libraries(${name} PUBLIC assimp)

endif ()

endfunction()

add_library(glsupport_bindless STATIC ${HEADER_LIST} ${THIRD_PARTY} ${IMGUI_SOURCE} ${SOURCE_LIST})

target_compile_definitions(glsupport_bindless PUBLIC -DGL_ARB_BINDLESS)

target_link_libraries(glsupport_bindless PUBLIC debug "glad_bindless_d" optimized "glad_bindless")

target_set_warning_flags(glsupport_bindless)

set_flags("glsupport_bindless")

add_library(glsupport_core STATIC ${HEADER_LIST} ${THIRD_PARTY} ${IMGUI_SOURCE} ${SOURCE_LIST})

target_link_libraries(glsupport_core PUBLIC debug "glad_core_d" optimized "glad_core")

target_set_warning_flags(glsupport_core)

set_flags("glsupport_core")

add_subdirectory(examples)