package com.mojang.blaze3d.opengl;

import com.mojang.blaze3d.buffers.GpuFence;

public class GlFence implements GpuFence {
	private final GlCommandEncoder encoder;
	private final long submitIndex;
	private boolean closedOrCompleted;

	GlFence(final GlCommandEncoder encoder) {
		this.encoder = encoder;
		this.submitIndex = encoder.currentSubmitIndex();
	}

	@Override
	public void close() {
		this.closedOrCompleted = true;
	}

	@Override
	public boolean awaitCompletion(final long timeoutNS) {
		if (this.closedOrCompleted) {
			return true;
		}

		this.closedOrCompleted = this.encoder.awaitSubmit(this.submitIndex, timeoutNS);
		return this.closedOrCompleted;
	}
}