cmake_minimum_required(VERSION 3.25)
project(SofRenderer C)

option(DEBUG_BUILD "Build the library in debug mode." OFF)
if (DEBUG_BUILD)
   add_compile_definitions(RENDERER_DEBUG)
endif()

find_package(Vulkan REQUIRED)

# compile shaders
file(GLOB_RECURSE SHADER_FILES "${PROJECT_SOURCE_DIR}/shaders/*.frag" "${PROJECT_SOURCE_DIR}/shaders/*.vert")
foreach(SHADER_FILE ${SHADER_FILES})
 cmake_path(GET SHADER_FILE FILENAME SHADER_FILE_NAME)
 message(STATUS "Configuring \"${SHADER_FILE_NAME}\" to compile  with "${Vulkan_GLSLANG_VALIDATOR_EXECUTABLE}" ...")
 set(SHADER_SPIRV "${PROJECT_SOURCE_DIR}/shaders/${SHADER_FILE_NAME}.spv")
 add_custom_command(
  OUTPUT "${SHADER_SPIRV}"
  COMMAND "${Vulkan_GLSLANG_VALIDATOR_EXECUTABLE}" -V "${PROJECT_SOURCE_DIR}/shaders/${SHADER_FILE_NAME}" -o "${SHADER_SPIRV}"
  DEPENDS "${PROJECT_SOURCE_DIR}/shaders/${SHADER_FILE_NAME}")
 list(APPEND SHADER_SPIRV_BINARIES ${SHADER_SPIRV})
endforeach()
add_custom_target(shaders ALL DEPENDS ${SHADER_SPIRV_BINARIES})

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
add_library(sofrenderer SHARED
 "src/logger.c"
 "src/renderer.c"
 "src/containers/darray.c"
 "src/containers/dblist.c"
 "src/containers/hashtable.c"
 "src/containers/ringqueue.c")
target_include_directories(sofrenderer PRIVATE "${PROJECT_SOURCE_DIR}/src")
set_target_properties(sofrenderer PROPERTIES
			       C_STANDARD 99
			       LIBRARY_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/lib")

# GLFW
add_subdirectory(../external/glfw build)
target_include_directories(sofrenderer PRIVATE "${PROJECT_SOURCE_DIR}/../external/glfw/include")
target_link_directories(sofrenderer PRIVATE "${PROJECT_SOURCE_DIR}/../external/glfw")
target_link_libraries(sofrenderer PRIVATE glfw)

# Vulkan
target_include_directories(sofrenderer PRIVATE ${Vulkan_INCLUDE_DIRS})
target_link_libraries(sofrenderer PRIVATE ${Vulkan_LIBRARIES})

# stb
target_include_directories(sofrenderer PRIVATE "${PROJECT_SOURCE_DIR}/../external/stb")