cmake_minimum_required(VERSION 3.16 FATAL_ERROR)
project(webgpu
    VERSION 0
    DESCRIPTION "Simple Engine Experiment in C"
    HOMEPAGE_URL "https://git.warwick-new.co.uk/"
    LANGUAGES C
)

set(CMAKE_C_STANDARD 17)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Error on memory address issues in debug mode
if(CMAKE_BUILD_TYPE MATCHES "Debug")
  set(
    CMAKE_C_FLAGS
    "${CMAKE_C_FLAGS} -Werror -fsanitize=undefined -fsanitize=address"
  )
  target_link_options(${PROJECT_NAME}
    BEFORE PUBLIC -fsanitize=undefined PUBLIC -fsanitize=address
  )
endif()

# Use environment set by nix-shell to find wgpu include and library
find_path(WGPU_INCLUDE webgpu)
find_library(WGPU_LIBRARY libwgpu_native.so)
message(STATUS "wgpu lib: ${WGPU_LIBRARY}")
message(STATUS "wgpu include dir: ${WGPU_INCLUDE}")

find_package(SDL3 REQUIRED)
find_package(SDL3_image REQUIRED)
find_package(cglm REQUIRED)
include(FeatureSummary)
feature_summary(WHAT PACKAGES_FOUND)

file(GLOB_RECURSE SOURCE_FILES
    ${CMAKE_SOURCE_DIR}/src/*.c)
file(GLOB_RECURSE HEADER_FILES
    ${CMAKE_SOURCE_DIR}/src/*.h)
add_executable(${PROJECT_NAME} ${HEADER_FILES} ${SOURCE_FILES})

target_include_directories(${PROJECT_NAME} PRIVATE
    ${WGPU_INCLUDE}
    ${SDL3_INCLUDE_DIRS}
    ${SDL3_image_INCLUDE_DIRS}
    ${GLFW_INCLUDE_DIRS}
    ${CGLM_INCLUDE_DIRS}
)

target_link_libraries(${PROJECT_NAME} 
    ${WGPU_LIBRARY}
    ${SDL3_LIBRARIES}
    ${SDL3_image_LIBRARIES}
    ${CGLM_LIBRARIES}
)