/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  it.unimi.dsi.fastutil.ints.Int2IntMap
 *  it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap
 *  it.unimi.dsi.fastutil.ints.IntIterator
 *  org.jspecify.annotations.Nullable
 */
package com.mojang.blaze3d.opengl;

import com.mojang.blaze3d.opengl.DirectStateAccess;
import com.mojang.blaze3d.opengl.GlStateManager;
import com.mojang.blaze3d.opengl.GlTexture;
import com.mojang.blaze3d.textures.GpuTexture;
import com.mojang.blaze3d.textures.GpuTextureView;
import it.unimi.dsi.fastutil.ints.Int2IntMap;
import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
import it.unimi.dsi.fastutil.ints.IntIterator;
import org.jspecify.annotations.Nullable;

public class GlTextureView
extends GpuTextureView {
    private boolean closed;
    private final Int2IntMap fboCache = new Int2IntOpenHashMap();

    protected GlTextureView(GlTexture texture, int baseMipLevel, int mipLevels) {
        super(texture, baseMipLevel, mipLevels);
        texture.addViews();
    }

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

    @Override
    public void close() {
        if (!this.closed) {
            this.closed = true;
            this.texture().removeViews();
            IntIterator intIterator = this.fboCache.values().iterator();
            while (intIterator.hasNext()) {
                int fbo = (Integer)intIterator.next();
                GlStateManager._glDeleteFramebuffers(fbo);
            }
        }
    }

    public int getFbo(DirectStateAccess dsa, @Nullable GpuTexture depth) {
        int depthid = depth == null ? 0 : ((GlTexture)depth).id;
        return this.fboCache.computeIfAbsent(depthid, ignored -> {
            int fbo = dsa.createFrameBufferObject();
            dsa.bindFrameBufferTextures(fbo, this.texture().id, depthid, this.baseMipLevel(), 0);
            return fbo;
        });
    }

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