Method update

samples/api/hpp_hello_triangle/hpp_hello_triangle.cpp:199–237

}

void HPPHelloTriangle::update(float delta_time)
{
	vk::Result res;
	uint32_t   index;
	std::tie(res, index) = acquire_next_image();

	// Handle outdated error in acquire.
	if (res == vk::Result::eSuboptimalKHR || res == vk::Result::eErrorOutOfDateKHR)
	{
		resize(swapchain_data.extent.width, swapchain_data.extent.height);
		std::tie(res, index) = acquire_next_image();
	}

	if (res != vk::Result::eSuccess)
	{
		queue.waitIdle();
		return;
	}

	render_triangle(index);

	// Present swapchain image
	vk::PresentInfoKHR present_info{.waitSemaphoreCount = 1,
	                                .pWaitSemaphores    = &per_frame_data[index].swapchain_release_semaphore,
	                                .swapchainCount     = 1,
	                                .pSwapchains        = &swapchain_data.swapchain,
	                                .pImageIndices      = &index};
	res = queue.presentKHR(present_info);

	// Handle Outdated error in present.
	if (res == vk::Result::eSuboptimalKHR || res == vk::Result::eErrorOutOfDateKHR)
	{
		resize(swapchain_data.extent.width, swapchain_data.extent.height);
	}
	else if (res != vk::Result::eSuccess)
	{
		LOGE("Failed to present swapchain image.");
	}
}

bool HPPHelloTriangle::resize(const uint32_t, const uint32_t)
{