diff --git a/aster/physical_device.h b/aster/physical_device.h
index de778d2..ef5b368 100644
--- a/aster/physical_device.h
+++ b/aster/physical_device.h
@@ -15,7 +15,7 @@ enum class QueueSupportFlagBits {
 	ePresent = 0b1000,
 };
 
-using QueueSupportFlags = vk::Flags<QueueSupportFlagBits>{};
+using QueueSupportFlags = vk::Flags<QueueSupportFlagBits>;
 
 struct QueueFamilyInfo {
 	u32 index;
diff --git a/aster/window.h b/aster/window.h
index d2a3fc0..288a3d2 100644
--- a/aster/window.h
+++ b/aster/window.h
@@ -19,7 +19,7 @@ struct Window final {
 
 	~Window();
 
-	bool should_close() const noexcept {
+	[[nodiscard]] bool should_close() const noexcept {
 		return glfwWindowShouldClose(window);
 	}
 
diff --git a/triangle/aster.cpp b/triangle/aster.cpp
index cec0222..026da1b 100644
--- a/triangle/aster.cpp
+++ b/triangle/aster.cpp
@@ -1,11 +1,42 @@
 #include "aster/constants.h"
 #include "aster/glfw_context.h"
+#include "aster/physical_device.h"
 #include "aster/window.h"
 
+constexpr QueueSupportFlags required_queue_support = QueueSupportFlags{} | QueueSupportFlagBits::eGraphics | QueueSupportFlagBits::eCompute | QueueSupportFlagBits::ePresent | QueueSupportFlagBits::eCompute;
+
+[[nodiscard]] bool is_suitable_device(const PhysicalDevice *_physical_device) {
+	const bool all_required_queues = std::ranges::any_of(_physical_device->queue_families, [](const auto &_qfp) {
+		return (_qfp.support & required_queue_support) == required_queue_support;
+	});
+
+	const bool device_type_check = _physical_device->properties.deviceType != vk::PhysicalDeviceType::eCpu;
+
+	const bool supported_present_mode = !_physical_device->present_modes.empty();
+
+	const bool supported_format = !_physical_device->surface_formats.empty();
+
+	return supported_format && supported_present_mode && device_type_check && all_required_queues;
+}
+
+PhysicalDevice find_suitable_device(const PhysicalDevices &_physical_devices) {
+	for (auto &_physical_device : _physical_devices) {
+		if (is_suitable_device(&_physical_device)) {
+			return _physical_device;
+		}
+	}
+	throw std::runtime_error("No suitable device found.");
+}
+
 int main(int, char **) {
-	GlfwContext *glfw = new GlfwContext();
-	Context *context = new Context("Aster", VERSION);
-	Window *window = new Window("Aster1", context, { 640, 480 });
+	const auto *glfw = new GlfwContext();
+	auto *context = new Context("Aster", VERSION);
+	auto *window = new Window("Aster1", context, { 640, 480 });
+
+	PhysicalDevices physical_devices = { window, context };
+	PhysicalDevice device_to_use = find_suitable_device(physical_devices);
+
+	INFO("Using {} as the primary device.", device_to_use.properties.deviceName.data());
 
 	while (window->poll()) {
 	}