ci: remove debug comand

fix: #41

.drone.yml

@@ -87,3 +87,53 @@ steps:
   pull: if-not-exists
   commands:
     - ./tools/ci/static_analysis/clang_format.sh
+
+---
+kind: pipeline
+type: docker 
+name: documentation — development
+node:
+  environment: ryali
+trigger:
+  branch:
+  - main
+
+steps:
+- name: build and deploy
+  image: documentation:latest
+  pull: if-not-exists
+  commands:
+    - pwd
+    - cd docs
+    - mkdir generated
+    - touch generated/changelogs.rst
+    - touch generated/api.rst
+    - sphinx-build -M html . .
+
+    - rm -rf /light_docs_dev/*
+    - mv ./html/* /light_docs_dev/
+
+---
+
+kind: pipeline
+type: docker
+name: documentation — production
+node:
+  environment: ryali
+trigger:
+  event:
+  - tag
+
+steps:
+- name: build and deploy
+  image: documentation:latest
+  pull: if-not-exists
+  commands:
+    - cd docs
+    - mkdir generated
+    - touch generated/changelogs.rst
+    - touch generated/api.rst
+    - sphinx-build -M html . .
+
+    - rm -rf /light_docs/*
+    - mv ./html/* /light_docs/

CMakeLists.txt

@@ -8,7 +8,8 @@ include(${CMAKE_DIR}/functions.cmake)
 include(${CMAKE_DIR}/definitions.cmake)
 include(${CMAKE_DIR}/dependencies.cmake)
 
-add_option(ENABLE_TESTS "Enables the building of the test modules")
+add_option(ENABLE_UNIT_TESTS "Enables the building of the unit test modules")
+add_option(ENABLE_FUZZ_TESTS "Enables the building of the fuzz test modules")
 
 add_option(ENABLE_STATIC_ANALYSIS "Makes clang-tidy checks mandatory for compilation")
 if (ENABLE_STATIC_ANALYSIS)

conanfile.py

@@ -11,7 +11,8 @@ class LightRecipe(ConanFile):
     generators = "CMakeDeps"
 
     options = {
-        "enable_tests": [True, False],
+        "enable_unit_tests": [True, False],
+        "enable_fuzz_tests": [True, False],
         "enable_llvm_coverage": [True, False],
         "enable_static_analysis": [True, False],
         "use_mold": [True, False],
@@ -19,7 +20,8 @@ class LightRecipe(ConanFile):
     }
 
     default_options = {
-        "enable_tests": True,
+        "enable_unit_tests": True,
+        "enable_fuzz_tests": False,
         "enable_llvm_coverage": False,
         "enable_static_analysis": False,
         "use_mold": False,
@@ -46,7 +48,8 @@ class LightRecipe(ConanFile):
             tc.cache_variables["CMAKE_LINKER_TYPE"] = "MOLD"
 
         tc.cache_variables["CMAKE_EXPORT_COMPILE_COMMANDS"] = self.options.export_compile_commands
-        tc.cache_variables["ENABLE_TESTS"] = self.options.enable_tests
+        tc.cache_variables["ENABLE_UNIT_TESTS"] = self.options.enable_unit_tests
+        tc.cache_variables["ENABLE_FUZZ_TESTS"] = self.options.enable_fuzz_tests
         tc.cache_variables["ENABLE_LLVM_COVERAGE"] = self.options.enable_llvm_coverage
         tc.cache_variables["ENABLE_STATIC_ANALYSIS"] = self.options.enable_static_analysis
 

modules/surface/CMakeLists.txt

@@ -1,6 +1,7 @@
 if (NOT WIN32)
     add_library_module(surface linux/system.cpp)
-else()
+else(WIN32)
+    add_library_module(surface windows/system.cpp)
 endif()
 
 target_link_libraries(surface PUBLIC 

modules/surface/private/linux/system.cpp

@@ -5,6 +5,41 @@
 
 namespace lt::surface {
 
+// This class is to ensure glfwInit/glfwTerminate is called only once and exactly when needed during
+// entire application runtime
+class GlfwSingleton
+{
+public:
+	[[nodiscard]] static auto get() -> GlfwSingleton &
+	{
+		static auto instance = GlfwSingleton {};
+		return instance;
+	}
+
+	GlfwSingleton(GlfwSingleton &&) = delete;
+
+	GlfwSingleton(const GlfwSingleton &) = delete;
+
+	auto operator=(GlfwSingleton &&) -> GlfwSingleton & = delete;
+
+	auto operator=(const GlfwSingleton &) -> GlfwSingleton & = delete;
+
+private:
+	GlfwSingleton()
+	{
+		log_inf("Initializing glfw...");
+		ensure(glfwInit(), "Failed to initialize 'glfw'");
+		log_inf("...Finished");
+	}
+
+	~GlfwSingleton()
+	{
+		log_inf("Terminating glfw...");
+		glfwTerminate();
+		log_inf("...Finished");
+	}
+};
+
 void glfw_error_callbac(int32_t code, const char *description)
 {
 	log_err("GLFW ERROR: {} -> {}", code, description);
@@ -97,13 +132,12 @@ void bind_glfw_events(GLFWwindow *handle)
 	});
 }
 
-void init_glfw() {};
-
 System::System(Ref<ecs::Registry> registry): m_registry(std::move(registry))
 {
 	glfwSetErrorCallback(&glfw_error_callbac);
-	ensure(glfwInit(), "Failed to initialize 'glfw'");
 
+	// will call `glfwInit()` only the first time
+	auto &glfw_instance = GlfwSingleton::get();
 	ensure(m_registry, "Failed to initialize surface system: null registry");
 
 	ensure(
@@ -142,8 +176,6 @@ System::~System()
 	m_registry->view<SurfaceComponent>().each([&](const entt::entity entity, SurfaceComponent &) {
 		m_registry->get_entt_registry().remove<SurfaceComponent>(entity);
 	});
-
-	glfwTerminate();
 }
 
 void System::on_surface_construct(entt::registry &registry, entt::entity entity)

modules/surface/private/windows/system.cpp

@@ -0,0 +1,324 @@
+#define GLFW_EXPOSE_NATIVE_X11
+#include <GLFW/glfw3.h>
+#include <GLFW/glfw3native.h>
+#include <surface/system.hpp>
+
+namespace lt::surface {
+
+// This class is to ensure glfwInit/glfwTerminate is called only once and exactly when needed during
+// entire application runtime
+class GlfwSingleton
+{
+public:
+	[[nodiscard]] static auto get() -> GlfwSingleton &
+	{
+		static auto instance = GlfwSingleton {};
+		return instance;
+	}
+
+	GlfwSingleton(GlfwSingleton &&) = delete;
+
+	GlfwSingleton(const GlfwSingleton &) = delete;
+
+	auto operator=(GlfwSingleton &&) -> GlfwSingleton & = delete;
+
+	auto operator=(const GlfwSingleton &) -> GlfwSingleton & = delete;
+
+private:
+	GlfwSingleton()
+	{
+		log_inf("Initializing glfw...");
+		ensure(glfwInit(), "Failed to initialize 'glfw'");
+		log_inf("...Finished");
+	}
+
+	~GlfwSingleton()
+	{
+		log_inf("Terminating glfw...");
+		glfwTerminate();
+		log_inf("...Finished");
+	}
+};
+
+void glfw_error_callbac(int32_t code, const char *description)
+{
+	log_err("GLFW ERROR: {} -> {}", code, description);
+}
+
+void handle_event(GLFWwindow *window, const SurfaceComponent::Event &event)
+{
+	auto &callbacks = *static_cast<std::vector<SurfaceComponent::EventCallback> *>(
+	    glfwGetWindowUserPointer(window)
+	);
+
+	for (auto &callback : callbacks)
+	{
+		if (callback(event))
+		{
+			return;
+		}
+	}
+}
+
+void bind_glfw_events(GLFWwindow *handle)
+{
+	glfwSetWindowPosCallback(handle, [](GLFWwindow *window, int xpos, int ypos) {
+		handle_event(window, MovedEvent { xpos, ypos });
+	});
+
+	glfwSetWindowSizeCallback(handle, [](GLFWwindow *window, int width, int height) {
+		handle_event(
+		    window,
+		    ResizedEvent { static_cast<uint32_t>(width), static_cast<uint32_t>(height) }
+		);
+	});
+
+	glfwSetWindowCloseCallback(handle, [](GLFWwindow *window) {
+		handle_event(window, ClosedEvent {});
+	});
+
+	glfwSetWindowFocusCallback(handle, [](GLFWwindow *window, int focus) {
+		if (focus == GLFW_TRUE)
+		{
+			handle_event(window, GainFocusEvent {});
+		}
+		else
+		{
+			handle_event(window, LostFocusEvent {});
+		}
+	});
+
+	glfwSetCursorPosCallback(handle, [](GLFWwindow *window, double xpos, double ypos) {
+		handle_event(
+		    window,
+		    MouseMovedEvent { static_cast<float>(xpos), static_cast<float>(ypos) }
+		);
+	});
+
+	glfwSetMouseButtonCallback(
+	    handle,
+	    [](GLFWwindow *window, int button, int action, int /*mods*/) {
+		    if (action == GLFW_PRESS)
+		    {
+			    handle_event(window, ButtonPressedEvent { button });
+		    }
+		    else if (action == GLFW_RELEASE)
+		    {
+			    handle_event(window, ButtonReleasedEvent { button });
+		    }
+	    }
+	);
+
+	glfwSetScrollCallback(handle, [](GLFWwindow *window, double /*xoffset*/, double yoffset) {
+		handle_event(window, WheelScrolledEvent { static_cast<float>(yoffset) });
+	});
+
+	glfwSetKeyCallback(
+	    handle,
+	    [](GLFWwindow *window, int key, int /*scancode*/, int action, int /*mods*/) {
+		    if (action == GLFW_PRESS)
+		    {
+			    handle_event(window, KeyPressedEvent { key });
+		    }
+		    else if (action == GLFW_RELEASE)
+		    {
+			    handle_event(window, KeyReleasedEvent { key });
+		    }
+	    }
+	);
+
+	glfwSetCharCallback(handle, [](GLFWwindow *window, unsigned int character) {
+		handle_event(window, KeySetCharEvent { character });
+	});
+}
+
+System::System(Ref<ecs::Registry> registry): m_registry(std::move(registry))
+{
+	glfwSetErrorCallback(&glfw_error_callbac);
+
+	// will call `glfwInit()` only the first time
+	auto &glfw_instance = GlfwSingleton::get();
+	ensure(m_registry, "Failed to initialize surface system: null registry");
+
+	ensure(
+	    m_registry->view<SurfaceComponent>().size() == 0,
+	    "Failed to initialize surface system: registry has surface component(s)"
+	);
+
+	m_registry->get_entt_registry()
+	    .on_construct<SurfaceComponent>()
+	    .connect<&System::on_surface_construct>(this);
+
+	m_registry->get_entt_registry()
+	    .on_update<SurfaceComponent>()
+	    .connect<&System::on_surface_update>(this);
+
+	m_registry->get_entt_registry()
+	    .on_destroy<SurfaceComponent>()
+	    .connect<&System::on_surface_destroy>(this);
+}
+
+System::~System()
+{
+	m_registry->get_entt_registry()
+	    .on_construct<SurfaceComponent>()
+	    .disconnect<&System::on_surface_construct>(this);
+
+	m_registry->get_entt_registry()
+	    .on_update<SurfaceComponent>()
+	    .connect<&System::on_surface_update>(this);
+
+	m_registry->get_entt_registry()
+	    .on_destroy<SurfaceComponent>()
+	    .disconnect<&System::on_surface_destroy>(this);
+
+
+	m_registry->view<SurfaceComponent>().each([&](const entt::entity entity, SurfaceComponent &) {
+		m_registry->get_entt_registry().remove<SurfaceComponent>(entity);
+	});
+}
+
+void System::on_surface_construct(entt::registry &registry, entt::entity entity)
+{
+	try
+	{
+		auto &surface = registry.get<SurfaceComponent>(entity);
+		ensure_component_sanity(surface);
+
+		glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
+		glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 5);
+		glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+
+		surface.m_glfw_handle = glfwCreateWindow(
+		    static_cast<int>(surface.get_resolution().x),
+		    static_cast<int>(surface.get_resolution().y),
+		    surface.get_title().begin(),
+		    nullptr,
+		    nullptr
+		);
+		ensure(surface.m_glfw_handle, "Failed to create 'GLFWwindow'");
+
+		glfwSetWindowUserPointer(surface.m_glfw_handle, &surface.m_event_callbacks);
+		surface.m_native_handle = glfwGetX11Window(surface.m_glfw_handle);
+		bind_glfw_events(surface.m_glfw_handle);
+	}
+	catch (...)
+	{
+		registry.remove<SurfaceComponent>(entity);
+		throw;
+	}
+}
+
+void System::on_surface_update(entt::registry &registry, entt::entity entity)
+{
+	auto &surface = registry.get<SurfaceComponent>(entity);
+	glfwSetWindowUserPointer(surface.m_glfw_handle, &surface.m_event_callbacks);
+}
+
+void System::on_surface_destroy(entt::registry &registry, entt::entity entity)
+{
+	auto &surface = registry.get<SurfaceComponent>(entity);
+
+	if (surface.m_glfw_handle)
+	{
+		glfwDestroyWindow(surface.m_glfw_handle);
+	}
+}
+
+void System::set_title(ecs::Entity entity, std::string_view new_title)
+{
+	auto &surface = entity.get_component<SurfaceComponent>();
+
+	surface.m_title = new_title;
+	glfwSetWindowTitle(surface.m_glfw_handle, surface.m_title.c_str());
+}
+
+auto System::tick() -> bool
+{
+	m_registry->view<SurfaceComponent>().each([](SurfaceComponent &surface) {
+		glfwSwapBuffers(surface.m_glfw_handle);
+	});
+
+	glfwPollEvents();
+	return false;
+}
+
+void System::set_size(ecs::Entity surface_entity, const math::uvec2 &new_size)
+{
+	auto &surface = surface_entity.get_component<SurfaceComponent>();
+	surface.m_resolution = new_size;
+
+	glfwSetWindowSize(
+	    surface.m_glfw_handle,
+	    static_cast<int>(new_size.x),
+	    static_cast<int>(new_size.y)
+	);
+}
+
+void System::set_v_sync(ecs::Entity surface_entity, bool vsync)
+{
+	auto &surface = surface_entity.get_component<SurfaceComponent>();
+	surface.m_vsync = vsync;
+
+	glfwSwapInterval(vsync);
+}
+
+void System::set_visibility(ecs::Entity surface_entity, bool visible)
+{
+	auto &surface = surface_entity.get_component<SurfaceComponent>();
+	surface.m_visible = visible;
+
+	if (visible)
+	{
+		glfwShowWindow(surface.m_glfw_handle);
+	}
+	else
+	{
+		glfwHideWindow(surface.m_glfw_handle);
+	}
+}
+
+void System::add_event_listener(
+    ecs::Entity surface_entity,
+    SurfaceComponent::EventCallback callback
+)
+{
+	auto &surface = surface_entity.get_component<SurfaceComponent>();
+	surface.m_event_callbacks.emplace_back(std::move(callback));
+}
+
+void System::ensure_component_sanity(const SurfaceComponent &component)
+{
+	auto [width, height] = component.get_resolution();
+
+	ensure(width != 0u, "Received bad values for surface component: width({}) == 0", width);
+
+	ensure(height != 0u, "Received bad values for surface component: height({}) == 0", height);
+
+	ensure(
+	    width < SurfaceComponent::max_dimension,
+	    "Received bad values for surface component: width({}) > max_dimension({})",
+	    width,
+	    SurfaceComponent::max_dimension
+	);
+
+	ensure(
+	    height < SurfaceComponent::max_dimension,
+	    "Received bad values for surface component: height({}) > max_dimension({})",
+	    height,
+	    SurfaceComponent::max_dimension
+	);
+
+	ensure(
+	    component.get_title().size() < SurfaceComponent::max_title_length,
+	    "Received bad values for surface component: title.size({}) > max_title_length({})",
+	    component.get_title().size(),
+	    SurfaceComponent::max_title_length
+	);
+}
+
+} // namespace lt::surface
+
+namespace lt {
+
+} // namespace lt

modules/test/public/test.hpp

@@ -119,21 +119,21 @@ struct Case
 struct TestSuite
 {
 	template<class TSuite>
-	constexpr TestSuite(TSuite suite)
+	constexpr TestSuite(TSuite body)
 	{
 #ifndef LIGHT_SKIP_TESTS
-		details::Registry::register_suite(+suite);
+		details::Registry::register_suite(+body);
 #endif
 	}
 };
 
 struct TestFuzzHarness
 {
-	template<class TestFuzzHarness>
-	constexpr TestFuzzHarness(TestFuzzHarness suite)
+	template<class TestFuzzHarnessBody>
+	constexpr TestFuzzHarness(TestFuzzHarnessBody body)
 	{
 #ifndef LIGHT_SKIP_FUZZ_TESTS
-		details::Registry::register_fuzz_harness(+suite);
+		details::Registry::register_fuzz_harness(+body);
 #endif
 	}
 };

tools/ci/amd64/clang/coverage.dockerfile

@@ -21,7 +21,8 @@ RUN pacman -S --noconfirm --disable-download-timeout \
     curl \
     wget \
     zlib \
-    libc++
+    libc++ \
+    libinput
 
 RUN pip install --no-cache-dir --break-system-packages conan gitpython \
     && conan profile detect
@@ -37,7 +38,7 @@ RUN pip --version \
     && llvm-cov --version
 
 RUN git clone 'https://git.light7734.com/light7734/light.git' \
-    && cd light; git checkout 'ci/code_cov' \
+    && cd light \
     && conan build . \
         -c tools.system.package_manager:mode=install \
         -c tools.cmake.cmaketoolchain:generator=Ninja \

tools/ci/amd64/clang/coverage.sh

@@ -4,6 +4,9 @@ set -e
 cd $(git rev-parse --show-toplevel)/
 rm -rf ./build
 
+Xvfb :99 -screen 0 1024x768x16 &
+export DISPLAY=:99
+
 conan build . \
     -c tools.system.package_manager:mode=install \
     -c tools.cmake.cmaketoolchain:generator=Ninja \

tools/ci/amd64/clang/lsan.sh

@@ -4,6 +4,9 @@ set -e
 cd $(git rev-parse --show-toplevel)/
 rm -rf ./build
 
+Xvfb :99 -screen 0 1024x768x16 &
+export DISPLAY=:99
+
 conan build . \
   -c tools.system.package_manager:mode=install \
   -c tools.cmake.cmaketoolchain:generator=Ninja \

tools/ci/amd64/clang/msan.sh

@@ -4,6 +4,9 @@ set -e
 cd $(git rev-parse --show-toplevel)/
 rm -rf ./build
 
+Xvfb :99 -screen 0 1024x768x16 &
+export DISPLAY=:99
+
 conan build . \
     -c tools.system.package_manager:mode=install \
     -c tools.cmake.cmaketoolchain:generator=Ninja \

tools/ci/amd64/gcc/unit_tests.sh

@@ -4,13 +4,27 @@ set -e
 cd $(git rev-parse --show-toplevel)/
 rm -rf ./build
 
+Xvfb :99 -screen 0 1024x768x16 &
+export DISPLAY=:99
+export CXX=$(which g++)
+export CC=$(which gcc)
+
 conan build . \
-  -c tools.system.package_manager:mode=install \
-  -c tools.cmake.cmaketoolchain:generator=Ninja \
-  -s build_type=Release \
-  -o enable_tests=True \
-  -o use_mold=True \
-  --build=missing
+    -c tools.system.package_manager:mode=install \
+    -c tools.cmake.cmaketoolchain:generator=Ninja \
+    -c tools.build:compiler_executables='{"c": "gcc", "cpp": "g++"}' \
+    -s build_type=Release \
+    -s compiler=gcc \
+    -s compiler.version=15 \
+    -s compiler.libcxx=libstdc++ \
+    -o use_mold=True \
+    -o enable_unit_tests=True \
+    -o enable_fuzz_tests=False \
+    -o enable_llvm_coverage=False \
+    -o enable_static_analysis=False \
+    -o use_mold=True \
+    -o export_compile_commands=False \
+    --build=missing
 
 for test in $(find ./build -type f -name '*_tests' -executable); do
   echo "Running $test"

tools/ci/amd64/gcc/valgrind.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+export DEBUGINFOD_URLS="https://debuginfod.archlinux.org/"
+
 set -e
 cd $(git rev-parse --show-toplevel)/
 rm -rf ./build
@@ -8,8 +10,19 @@ conan build . \
   -c tools.system.package_manager:mode=install \
   -c tools.cmake.cmaketoolchain:generator=Ninja \
   -s build_type=Release \
-  -o enable_tests=True \
+  -o enable_unit_tests=True \
   -o use_mold=True \
   --build=missing
 
-find ./build -type f -name "*_tests" -executable | xargs -I {} bash -c 'valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes --verbose --error-exitcode=255 {}' || exit 1
+
+for test in $(find ./build -type f -name '*_tests' -executable); do
+  echo "Running $test"
+
+  valgrind \
+      --leak-check=full \
+      --show-leak-kinds=all \
+      --track-origins=yes \
+      --verbose \
+      --error-exitcode=255  \
+      ${test} || exit 1
+done

tools/ci/static_analysis/clang_tidy.sh

@@ -14,6 +14,7 @@ conan build . \
 -c tools.cmake.cmaketoolchain:generator=Ninja \
 -s build_type=Release \
 -o enable_static_analysis=True \
--o enable_tests=True \
+-o enable_unit_tests=True \
+-o enable_fuzz_tests=True \
 -o use_mold=True \
 --build=missing

tools/cmake/functions.cmake

@@ -78,7 +78,7 @@ function (add_executable_module exename)
 endfunction ()
 
 function (add_test_module target_lib_name)
-    if (NOT ${ENABLE_TESTS})
+    if (NOT ${ENABLE_UNIT_TESTS})
         return()
     endif ()
 
@@ -114,7 +114,7 @@ function (add_test_module target_lib_name)
 endfunction ()
 
 function (add_fuzz_module target_lib_name)
-    if (NOT ${ENABLE_TESTS})
+    if (NOT ${ENABLE_FUZZ_TESTS})
         return()
     endif ()