package com.mojang.blaze3d.vulkan.checkpoints;

import com.mojang.blaze3d.vulkan.VulkanDevice;
import com.mojang.blaze3d.vulkan.VulkanQueue;
import java.util.List;
import java.util.function.Supplier;
import org.lwjgl.vulkan.VkCommandBuffer;

public class NoopCheckpointExtension implements CheckpointExtension {
	public static final NoopCheckpointExtension INSTANCE = new NoopCheckpointExtension();

	@Override
	public CheckpointExtension.CheckpointStorage createStorage(final VulkanDevice device, final VulkanQueue queue, final int maxFramesInFlight) {
		return NoopCheckpointExtension.NoopCheckpointStorage.INSTANCE;
	}

	@Override
	public List<CheckpointExtension.QueueCheckpoints> retrieveCheckpoints(final boolean isDeviceLost) {
		return List.of();
	}

	@Override
	public void close() {
	}

	private static class NoopCheckpointStorage implements CheckpointExtension.CheckpointStorage {
		private static final NoopCheckpointExtension.NoopCheckpointStorage INSTANCE = new NoopCheckpointExtension.NoopCheckpointStorage();

		@Override
		public void rotate() {
		}

		@Override
		public void recordCheckpoint(final VkCommandBuffer commandBuffer, final CheckpointExtension.CheckpointType type, final Supplier<String> label) {
		}
	}
}