cmake_minimum_required(VERSION 3.1)
project(Graph)

list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)

set(CMAKE_CXX_STANDARD 14)

find_package(SDL2 REQUIRED)
find_package(Vulkan REQUIRED)
find_package(assimp REQUIRED)

if(CMAKE_BUILD_TYPE STREQUAL "Debug")
	add_definitions(-DDEBUG)
endif()

add_executable(Graph
    src/main.cpp
    src/renderer.cpp
    src/worldpass.cpp
    src/postpass.cpp)
target_link_libraries(Graph PUBLIC SDL2::SDL2 SDL2::SDL2main Vulkan::Vulkan assimp::assimp)
target_include_directories(Graph PUBLIC include)

macro(compile_shader src)
    add_custom_command(
        OUTPUT ${src}.spv
        COMMAND glslangValidator -V ${CMAKE_CURRENT_SOURCE_DIR}/shaders/${src} -o ${CMAKE_CURRENT_BINARY_DIR}/${src}.spv
        DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/shaders/${src}
    )

    list(APPEND SPV_FILES ${src}.spv)
endmacro()

compile_shader(triangle.vert)
compile_shader(triangle.frag)
compile_shader(post.vert)
compile_shader(post.frag)

add_custom_target(BuildShaders DEPENDS ${SPV_FILES})
add_dependencies(Graph BuildShaders)

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/data/suzanne.obj ${CMAKE_CURRENT_BINARY_DIR}/suzanne.obj COPYONLY)