Files
yaze/cmake/dependencies/imgui.cmake

95 lines
3.0 KiB
CMake

# Dear ImGui dependency management
# Uses the bundled ImGui in ext/imgui
message(STATUS "Setting up Dear ImGui from bundled sources")
# Use the bundled ImGui from ext/imgui
set(IMGUI_DIR ${CMAKE_SOURCE_DIR}/ext/imgui)
# Select ImGui backend sources based on SDL version
if(YAZE_USE_SDL3)
set(IMGUI_BACKEND_SOURCES
${IMGUI_DIR}/backends/imgui_impl_sdl3.cpp
${IMGUI_DIR}/backends/imgui_impl_sdlrenderer3.cpp
)
message(STATUS "Using ImGui SDL3 backend")
else()
set(IMGUI_BACKEND_SOURCES
${IMGUI_DIR}/backends/imgui_impl_sdl2.cpp
${IMGUI_DIR}/backends/imgui_impl_sdlrenderer2.cpp
)
message(STATUS "Using ImGui SDL2 backend")
endif()
# Create ImGui library with core files from bundled source
add_library(ImGui STATIC
${IMGUI_DIR}/imgui.cpp
${IMGUI_DIR}/imgui_demo.cpp
${IMGUI_DIR}/imgui_draw.cpp
${IMGUI_DIR}/imgui_tables.cpp
${IMGUI_DIR}/imgui_widgets.cpp
# SDL backend (version-dependent)
${IMGUI_BACKEND_SOURCES}
# C++ stdlib helpers (for std::string support)
${IMGUI_DIR}/misc/cpp/imgui_stdlib.cpp
)
target_include_directories(ImGui PUBLIC
${IMGUI_DIR}
${IMGUI_DIR}/backends
)
# Set C++ standard requirement (ImGui 1.90+ requires C++11, we use C++17 for consistency)
target_compile_features(ImGui PUBLIC cxx_std_17)
# Link to SDL (version-dependent)
if(YAZE_USE_SDL3)
target_link_libraries(ImGui PUBLIC ${YAZE_SDL3_TARGETS})
else()
target_link_libraries(ImGui PUBLIC ${YAZE_SDL2_TARGETS})
endif()
message(STATUS "Created ImGui target from bundled source at ${IMGUI_DIR}")
# Create ImGui Test Engine for test automation (if tests are enabled)
if(YAZE_BUILD_TESTS)
set(IMGUI_TEST_ENGINE_DIR ${CMAKE_SOURCE_DIR}/ext/imgui_test_engine/imgui_test_engine)
if(EXISTS ${IMGUI_TEST_ENGINE_DIR})
set(IMGUI_TEST_ENGINE_SOURCES
${IMGUI_TEST_ENGINE_DIR}/imgui_te_context.cpp
${IMGUI_TEST_ENGINE_DIR}/imgui_te_coroutine.cpp
${IMGUI_TEST_ENGINE_DIR}/imgui_te_engine.cpp
${IMGUI_TEST_ENGINE_DIR}/imgui_te_exporters.cpp
${IMGUI_TEST_ENGINE_DIR}/imgui_te_perftool.cpp
${IMGUI_TEST_ENGINE_DIR}/imgui_te_ui.cpp
${IMGUI_TEST_ENGINE_DIR}/imgui_te_utils.cpp
${IMGUI_TEST_ENGINE_DIR}/imgui_capture_tool.cpp
)
add_library(ImGuiTestEngine STATIC ${IMGUI_TEST_ENGINE_SOURCES})
target_include_directories(ImGuiTestEngine PUBLIC
${IMGUI_DIR}
${IMGUI_TEST_ENGINE_DIR}
${CMAKE_SOURCE_DIR}/ext
)
target_compile_features(ImGuiTestEngine PUBLIC cxx_std_17)
if(YAZE_USE_SDL3)
target_link_libraries(ImGuiTestEngine PUBLIC ImGui ${YAZE_SDL3_TARGETS})
else()
target_link_libraries(ImGuiTestEngine PUBLIC ImGui ${YAZE_SDL2_TARGETS})
endif()
target_compile_definitions(ImGuiTestEngine PUBLIC
IMGUI_ENABLE_TEST_ENGINE=1
IMGUI_TEST_ENGINE_ENABLE_COROUTINE_STDTHREAD_IMPL=1
)
message(STATUS "Created ImGuiTestEngine target for test automation")
endif()
endif()
# Export ImGui targets for use in other CMake files
set(YAZE_IMGUI_TARGETS ImGui)
message(STATUS "Dear ImGui setup complete - YAZE_IMGUI_TARGETS = ${YAZE_IMGUI_TARGETS}")