portersky
f18e5e4adc
- Add asio dependency for async signal handling - Register SIGINT and SIGTERM to quit the application - Poll signals each frame for non-blocking shutdown - Q key and Ctrl+C both cleanly exit the program
48 lines
890 B
C++
48 lines
890 B
C++
#define GLFW_INCLUDE_NONE
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#include "GLFW/glfw3.h"
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#include "cbt/window.hpp"
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#include <csignal>
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#include <asio.hpp>
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#include "glad/glad.h"
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auto main(int, char const*[]) -> int {
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auto w = cbt::window("cuber", 1280, 720);
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if (!w.valid()) {
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return 1;
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}
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asio::io_context io;
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asio::signal_set signals(io, SIGINT, SIGTERM);
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bool quit = false;
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signals.async_wait([&](auto, auto) {
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quit = true;
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io.stop();
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});
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auto process_signals = [&]() -> void {
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while (io.poll()) {}
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};
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while (!w.should_close()) {
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process_signals();
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if (quit || glfwGetKey(static_cast<GLFWwindow*>(w.raw()), GLFW_KEY_Q) == GLFW_PRESS) {
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break;
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}
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glClearColor(0.6f, 0.8f, 1.0f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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w.swap_buffers();
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w.poll_events();
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}
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return 0;
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}
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