constructor(depthCol = channelsampleexpr_1.channel(0), newCol = expr_1.mut(vecexprs_1.pvec4(1, 1, 1, 1)), threshold = expr_1.mut(expr_1.pfloat(0.01))) {
        super(expr_1.tag `depth2occlusion(${depthCol}, ${newCol}, ${threshold})`, [
            "uDepth",
            "uNewCol",
            "uThreshold",
        ]);
        this.depthCol = depthCol;
        this.newCol = newCol;
        this.threshold = threshold;
    }
depth info to occlussion info expression