set(OpenGL_GL_PREFERENCE LEGACY)
find_package(OpenGL REQUIRED)
find_package(PNG REQUIRED)

find_file(KHR_PLATFORM_FILE KHR/khrplatform.h)

file(GLOB_RECURSE PSEMEK_GFX_HEADERS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "include/*.hpp")
file(GLOB_RECURSE PSEMEK_GFX_SOURCES RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "source/*.cpp")

psemek_add_library(psemek-gfx ${PSEMEK_GFX_HEADERS} ${PSEMEK_GFX_SOURCES})
target_include_directories(psemek-gfx PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
target_link_libraries(psemek-gfx PUBLIC psemek-util psemek-geom psemek-cg psemek-random psemek-io psemek-log OpenGL::GL PNG::PNG)
if(NOT KHR_PLATFORM_FILE)
	message(STATUS "KHR/khrplatform.h not found, using a substitute header")
	target_include_directories(psemek-gfx PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/extra/khr/include")
endif()

psemek_add_public_resources(psemek-gfx
	resources/font_9x12.png psemek/gfx/resource/font_9x12_png
	resources/font_10x12_bold.png psemek/gfx/resource/font_10x12_bold_png
)