74 lines
3.0 KiB
CMake
74 lines
3.0 KiB
CMake
# EGL powers the surfaceless headless context the GL tests assert pixels
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# against. It is a *test-only* dependency: plot_core never links or includes it,
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# so a machine without EGL can still build the library (-DPLOT_BUILD_TESTS=OFF).
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# Prefer CMake's own module, fall back to pkg-config, and fail loudly if neither
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# can supply EGL rather than silently dropping the GL tests.
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find_package(EGL QUIET)
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if(NOT EGL_FOUND)
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find_package(PkgConfig QUIET)
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if(PkgConfig_FOUND)
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pkg_check_modules(EGL_PC QUIET IMPORTED_TARGET egl)
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endif()
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endif()
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if(TARGET EGL::EGL)
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set(plot_egl_library EGL::EGL)
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elseif(TARGET PkgConfig::EGL_PC)
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set(plot_egl_library PkgConfig::EGL_PC)
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else()
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message(FATAL_ERROR
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"plot: PLOT_BUILD_TESTS=ON requires EGL (EGL/egl.h plus libEGL) for the headless "
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"OpenGL context used by the GL tests. Install it (e.g. libegl-dev, libegl1-mesa-dev "
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"or mesa-libEGL-devel) or configure with -DPLOT_BUILD_TESTS=OFF.")
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endif()
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find_package(Threads REQUIRED) # std::thread in the push/read race test
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add_executable(plot_tests
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main.cpp
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test_transform.cpp
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test_gl_context.cpp
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test_primitives.cpp
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test_ring_buffer.cpp
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test_minmax_pyramid.cpp
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test_series.cpp
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test_ticks.cpp
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test_measure.cpp
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test_plot.cpp
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test_render_smoke.cpp
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test_controller.cpp
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egl_headless.cpp
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)
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target_link_libraries(plot_tests PRIVATE plot::core ${plot_egl_library} Threads::Threads)
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# The Dear ImGui widget is the one adapter with a test here: its input translation
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# (edge synthesis, the hover gate, drag capture, wheel containment) is logic this
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# project owns, not a toolkit's. The suite is otherwise ImGui-free, so the source
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# and the link are added only when the adapter exists -- which the top-level
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# CMakeLists.txt guarantees by adding the adapters before this directory.
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if(TARGET plot::imgui)
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target_sources(plot_tests PRIVATE test_imgui_widget.cpp)
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target_link_libraries(plot_tests PRIVATE plot::imgui imgui)
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endif()
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# The Qt adapter's pointer anchor is deliberately toolkit-free (see
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# adapters/qt6/qt_pointer.hpp), so this one piece of that adapter's translation is
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# tested without linking Qt -- and without `PLOT_BUILD_QT6`, since no Qt target has
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# to exist for it to compile.
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target_sources(plot_tests PRIVATE test_qt_pointer.cpp)
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# Same for the GTK adapter's input conversion (see adapters/gtk4/gtk_input.hpp):
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# the wheel's unit and sign and the modifier mask are this project's logic, and a
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# headless X server can only deliver the discrete-wheel branch of it.
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target_sources(plot_tests PRIVATE test_gtk_input.cpp)
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target_include_directories(plot_tests PRIVATE "${CMAKE_SOURCE_DIR}/adapters")
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# Same switches the library is built with: the cost tests read the counters
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# behind them (see include/plot/data/detail/{cover,merge}_count.hpp).
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target_compile_definitions(plot_tests PRIVATE PLOT_PYRAMID_COUNT_COVERS
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PLOT_PYRAMID_COUNT_MERGES
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PLOT_RING_STATS)
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plot_apply_warnings(plot_tests)
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add_test(NAME plot_tests COMMAND plot_tests)
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