cmake_minimum_required(VERSION 3.16)
project(VulkanTest)

set(CMAKE_CXX_STANDARD 17)

find_package(glfw3 REQUIRED)
find_package(Vulkan REQUIRED)

add_compile_definitions(WITH_VALIDATION_LAYERS)
set(CMAKE_BUILD_TYPE Debug)

FILE(GLOB_RECURSE CXX_SOURCES src/*.cpp)
FILE(GLOB_RECURSE GLSL_SOURCE_FILES shaders/**.frag shaders/**.vert)

foreach(GLSL ${GLSL_SOURCE_FILES})
    get_filename_component(FILE_NAME "${GLSL}" NAME)
    set(SPV_FILE "${PROJECT_BINARY_DIR}/shaders/${FILE_NAME}.spv")
    add_custom_command(OUTPUT ${SPV_FILE}
            COMMAND ${CMAKE_COMMAND} -E make_directory "${PROJECT_BINARY_DIR}/shaders/"
            COMMAND glslc ${GLSL} -g -o ${SPV_FILE}
            DEPENDS ${GLSL}
            COMMENT "Rebuilding ${SPV_FILE}")
    list(APPEND SPIRV_BINARY_KERNELS ${SPV_FILE})
endforeach()
add_custom_target(shaders DEPENDS ${SPIRV_BINARY_KERNELS})

add_executable(VulkanTest ${CXX_SOURCES})
add_dependencies(VulkanTest shaders)
target_link_libraries(VulkanTest glfw vulkan)