cmake_minimum_required(VERSION 3.15)

get_filename_component(PROJECT_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../../.. ABSOLUTE)

find_package(OpenGL REQUIRED)

include_directories(${CMAKE_SOURCE_DIR}/tests/OpenGL/package/include/)
include_directories(${PROJECT_ROOT_DIR}/engine/include)
include_directories(${PROJECT_ROOT_DIR}/engine/src)

link_directories(${CMAKE_SOURCE_DIR}/tests/OpenGL/package/lib/)

find_package(GTest REQUIRED)

set(TEST_SOURCES
    ${CMAKE_SOURCE_DIR}/tests/OpenGL/package/src/glad.c
    fixtures/OpenGLTestFixture.cpp
    test_device.cpp
    test_buffer.cpp
    test_fence.cpp
    test_texture.cpp
    test_shader.cpp
    test_pipeline_state.cpp
    test_vertex_array.cpp
    test_command_list.cpp
    test_render_target_view.cpp
    test_depth_stencil_view.cpp
    test_swap_chain.cpp
    test_sampler.cpp
)

add_executable(opengl_engine_tests ${TEST_SOURCES})

target_link_libraries(opengl_engine_tests PRIVATE
    opengl32
    glfw3
    XCEngine
    GTest::gtest
    GTest::gtest_main
)

target_include_directories(opengl_engine_tests PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/fixtures
    ${PROJECT_ROOT_DIR}/engine/include
    ${PROJECT_ROOT_DIR}/engine/src
)

target_compile_definitions(opengl_engine_tests PRIVATE
    TEST_RESOURCES_DIR="${PROJECT_ROOT_DIR}/tests/RHI/OpenGL/integration/minimal/Res"
)

add_custom_command(TARGET opengl_engine_tests POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy_directory
        ${PROJECT_ROOT_DIR}/tests/RHI/OpenGL/integration/minimal/Res
        $<TARGET_FILE_DIR:opengl_engine_tests>/Res
)

enable_testing()
add_test(NAME OpenGLEngineTests COMMAND opengl_engine_tests)