Method handle_surface_changes

framework/rendering/render_context.h:598–639

template <vkb::BindingType bindingType>
inline bool RenderContext<bindingType>::handle_surface_changes(bool force_update)
{
	if (!swapchain)
	{
		LOGW("Can't handle surface changes. No swapchain, offscreen rendering detected, skipping.");
		return false;
	}

	vk::SurfaceCapabilitiesKHR surface_properties = device.get_gpu().get_handle().getSurfaceCapabilitiesKHR(swapchain->get_surface());
	vk::Extent2D               cur_extent;

#if defined(VK_USE_PLATFORM_WAYLAND_KHR)
	// On Wayland, currentExtent is typically {0xFFFFFFFF, 0xFFFFFFFF}, meaning
	// the application determines the surface size. We need to get the size from
	// the window instead.
	cur_extent = vk::Extent2D{window.get_extent().width, window.get_extent().height};
#else
	cur_extent = surface_properties.currentExtent;
#endif

	if (cur_extent.width == 0xFFFFFFFF || cur_extent.height == 0xFFFFFFFF)
	{
		return false;
	}

	// Only recreate the swapchain if the dimensions have changed;
	// handle_surface_changes() is called on VK_SUBOPTIMAL_KHR,
	// which might not be due to a surface resize
	if (cur_extent.width != surface_extent.width || cur_extent.height != surface_extent.height || force_update)
	{
		// Recreate swapchain
		device.get_handle().waitIdle();

		update_swapchain_impl(cur_extent, pre_transform);

		surface_extent = cur_extent;

		return true;
	}

	return false;
}

template <vkb::BindingType bindingType>
inline bool RenderContext<bindingType>::has_swapchain()