package com.mojang.blaze3d.opengl;

import com.mojang.blaze3d.textures.GpuTextureView;
import java.util.ArrayList;
import java.util.List;

public class GlTextureView extends GpuTextureView implements FrameBufferAttachment {
	private static final int EMPTY = -1;
	private boolean closed;
	private final FrameBufferCache frameBufferCache;
	private final List<FrameBufferCache.CacheKey> fboKeys = new ArrayList();

	protected GlTextureView(final GlTexture texture, final int baseMipLevel, final int mipLevels, final FrameBufferCache frameBufferCache) {
		super(texture, baseMipLevel, mipLevels);
		texture.addViews();
		this.frameBufferCache = frameBufferCache;
	}

	@Override
	public boolean isClosed() {
		return this.closed;
	}

	@Override
	public void close() {
		if (!this.closed) {
			this.closed = true;
			this.texture().removeViews();

			while (!this.fboKeys.isEmpty()) {
				this.frameBufferCache.destroyFbo((FrameBufferCache.CacheKey)this.fboKeys.getLast());
			}
		}
	}

	public GlTexture texture() {
		return (GlTexture)super.texture();
	}

	@Override
	public int glId() {
		return this.texture().id;
	}

	@Override
	public int fboMipLevel() {
		return this.baseMipLevel();
	}

	@Override
	public void addAssociatedFbo(final FrameBufferCache.CacheKey fboKey) {
		this.fboKeys.add(fboKey);
	}

	@Override
	public void removeAssociatedFbo(final FrameBufferCache.CacheKey fboKey) {
		this.fboKeys.remove(fboKey);
	}
}